[deliverable/linux.git] / drivers / net / wireless / b43 / phy_a.c

/*

  Broadcom B43 wireless driver
  IEEE 802.11a PHY driver

  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
  Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
  Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de>
  Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
  Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>

  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 "b43.h"
#include "phy_a.h"
#include "phy_common.h"
#include "wa.h"
#include "tables.h"
#include "main.h"


/* Get the freq, as it has to be written to the device. */
static inline u16 channel2freq_a(u8 channel)
{
	B43_WARN_ON(channel > 200);

	return (5000 + 5 * channel);
}

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;
}

#if 0
/* This function converts a TSSI value to dBm in Q5.2 */
static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_a *aphy = phy->a;
	s8 dbm = 0;
	s32 tmp;

	tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
	tmp += 0x80;
	tmp = clamp_val(tmp, 0x00, 0xFF);
	dbm = aphy->tssi2dbm[tmp];
	//TODO: There's a FIXME on the specs

	return dbm;
}
#endif

static void b43_radio_set_tx_iq(struct b43_wldev *dev)
{
	static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
	static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
	u16 tmp = b43_radio_read16(dev, 0x001E);
	int i, j;

	for (i = 0; i < 5; i++) {
		for (j = 0; j < 5; j++) {
			if (tmp == (data_high[i] << 4 | data_low[j])) {
				b43_phy_write(dev, 0x0069,
					      (i - j) << 8 | 0x00C0);
				return;
			}
		}
	}
}

static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
{
	u16 freq, r8, tmp;

	freq = channel2freq_a(channel);

	r8 = b43_radio_read16(dev, 0x0008);
	b43_write16(dev, 0x03F0, freq);
	b43_radio_write16(dev, 0x0008, r8);

	//TODO: write max channel TX power? to Radio 0x2D
	tmp = b43_radio_read16(dev, 0x002E);
	tmp &= 0x0080;
	//TODO: OR tmp with the Power out estimation for this channel?
	b43_radio_write16(dev, 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 */
	}
	b43_radio_write16(dev, 0x0007, (r8 << 4) | r8);
	b43_radio_write16(dev, 0x0020, (r8 << 4) | r8);
	b43_radio_write16(dev, 0x0021, (r8 << 4) | r8);
	b43_radio_write16(dev, 0x0022, (b43_radio_read16(dev, 0x0022)
					& 0x000F) | (r8 << 4));
	b43_radio_write16(dev, 0x002A, (r8 << 4));
	b43_radio_write16(dev, 0x002B, (r8 << 4));
	b43_radio_write16(dev, 0x0008, (b43_radio_read16(dev, 0x0008)
					& 0x00F0) | (r8 << 4));
	b43_radio_write16(dev, 0x0029, (b43_radio_read16(dev, 0x0029)
					& 0xFF0F) | 0x00B0);
	b43_radio_write16(dev, 0x0035, 0x00AA);
	b43_radio_write16(dev, 0x0036, 0x0085);
	b43_radio_write16(dev, 0x003A, (b43_radio_read16(dev, 0x003A)
					& 0xFF20) |
			  freq_r3A_value(freq));
	b43_radio_write16(dev, 0x003D,
			  b43_radio_read16(dev, 0x003D) & 0x00FF);
	b43_radio_write16(dev, 0x0081, (b43_radio_read16(dev, 0x0081)
					& 0xFF7F) | 0x0080);
	b43_radio_write16(dev, 0x0035,
			  b43_radio_read16(dev, 0x0035) & 0xFFEF);
	b43_radio_write16(dev, 0x0035, (b43_radio_read16(dev, 0x0035)
					& 0xFFEF) | 0x0010);
	b43_radio_set_tx_iq(dev);
	//TODO: TSSI2dbm workaround
//FIXME	b43_phy_xmitpower(dev);
}

static void b43_radio_init2060(struct b43_wldev *dev)
{
	b43_radio_write16(dev, 0x0004, 0x00C0);
	b43_radio_write16(dev, 0x0005, 0x0008);
	b43_radio_write16(dev, 0x0009, 0x0040);
	b43_radio_write16(dev, 0x0005, 0x00AA);
	b43_radio_write16(dev, 0x0032, 0x008F);
	b43_radio_write16(dev, 0x0006, 0x008F);
	b43_radio_write16(dev, 0x0034, 0x008F);
	b43_radio_write16(dev, 0x002C, 0x0007);
	b43_radio_write16(dev, 0x0082, 0x0080);
	b43_radio_write16(dev, 0x0080, 0x0000);
	b43_radio_write16(dev, 0x003F, 0x00DA);
	b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
	b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0010);
	b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
	b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
	msleep(1);		/* delay 400usec */

	b43_radio_write16(dev, 0x0081,
			  (b43_radio_read16(dev, 0x0081) & ~0x0020) | 0x0010);
	msleep(1);		/* delay 400usec */

	b43_radio_write16(dev, 0x0005,
			  (b43_radio_read16(dev, 0x0005) & ~0x0008) | 0x0008);
	b43_radio_write16(dev, 0x0085, b43_radio_read16(dev, 0x0085) & ~0x0010);
	b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
	b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0040);
	b43_radio_write16(dev, 0x0081,
			  (b43_radio_read16(dev, 0x0081) & ~0x0040) | 0x0040);
	b43_radio_write16(dev, 0x0005,
			  (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008);
	b43_phy_write(dev, 0x0063, 0xDDC6);
	b43_phy_write(dev, 0x0069, 0x07BE);
	b43_phy_write(dev, 0x006A, 0x0000);

	aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev));

	msleep(1);
}

static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable)
{
	int i;

	if (dev->phy.rev < 3) {
		if (enable)
			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
				b43_ofdmtab_write16(dev,
					B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8);
				b43_ofdmtab_write16(dev,
					B43_OFDMTAB_WRSSI, i, 0xFFF8);
			}
		else
			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
				b43_ofdmtab_write16(dev,
					B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]);
				b43_ofdmtab_write16(dev,
					B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]);
			}
	} else {
		if (enable)
			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++)
				b43_ofdmtab_write16(dev,
					B43_OFDMTAB_WRSSI, i, 0x0820);
		else
			for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++)
				b43_ofdmtab_write16(dev,
					B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]);
	}
}

static void b43_phy_ww(struct b43_wldev *dev)
{
	u16 b, curr_s, best_s = 0xFFFF;
	int i;

	b43_phy_write(dev, B43_PHY_CRS0,
		b43_phy_read(dev, B43_PHY_CRS0) & ~B43_PHY_CRS0_EN);
	b43_phy_set(dev, B43_PHY_OFDM(0x1B), 0x1000);
	b43_phy_write(dev, B43_PHY_OFDM(0x82),
		(b43_phy_read(dev, B43_PHY_OFDM(0x82)) & 0xF0FF) | 0x0300);
	b43_radio_write16(dev, 0x0009,
		b43_radio_read16(dev, 0x0009) | 0x0080);
	b43_radio_write16(dev, 0x0012,
		(b43_radio_read16(dev, 0x0012) & 0xFFFC) | 0x0002);
	b43_wa_initgains(dev);
	b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5);
	b = b43_phy_read(dev, B43_PHY_PWRDOWN);
	b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) | 0x0005);
	b43_radio_write16(dev, 0x0004,
		b43_radio_read16(dev, 0x0004) | 0x0004);
	for (i = 0x10; i <= 0x20; i++) {
		b43_radio_write16(dev, 0x0013, i);
		curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF;
		if (!curr_s) {
			best_s = 0x0000;
			break;
		} else if (curr_s >= 0x0080)
			curr_s = 0x0100 - curr_s;
		if (curr_s < best_s)
			best_s = curr_s;
	}
	b43_phy_write(dev, B43_PHY_PWRDOWN, b);
	b43_radio_write16(dev, 0x0004,
		b43_radio_read16(dev, 0x0004) & 0xFFFB);
	b43_radio_write16(dev, 0x0013, best_s);
	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC);
	b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80);
	b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00);
	b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0);
	b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0);
	b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF);
	b43_phy_write(dev, B43_PHY_OFDM(0xBB),
		(b43_phy_read(dev, B43_PHY_OFDM(0xBB)) & 0xF000) | 0x0053);
	b43_phy_write(dev, B43_PHY_OFDM61,
		(b43_phy_read(dev, B43_PHY_OFDM61) & 0xFE1F) | 0x0120);
	b43_phy_write(dev, B43_PHY_OFDM(0x13),
		(b43_phy_read(dev, B43_PHY_OFDM(0x13)) & 0x0FFF) | 0x3000);
	b43_phy_write(dev, B43_PHY_OFDM(0x14),
		(b43_phy_read(dev, B43_PHY_OFDM(0x14)) & 0x0FFF) | 0x3000);
	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017);
	for (i = 0; i < 6; i++)
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F);
	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E);
	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011);
	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013);
	b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030);
	b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
}

static void hardware_pctl_init_aphy(struct b43_wldev *dev)
{
	//TODO
}

void b43_phy_inita(struct b43_wldev *dev)
{
	struct ssb_bus *bus = dev->dev->bus;
	struct b43_phy *phy = &dev->phy;

	/* This lowlevel A-PHY init is also called from G-PHY init.
	 * So we must not access phy->a, if called from G-PHY code.
	 */
	B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
		    (phy->type != B43_PHYTYPE_G));

	might_sleep();

	if (phy->rev >= 6) {
		if (phy->type == B43_PHYTYPE_A)
			b43_phy_write(dev, B43_PHY_OFDM(0x1B),
				b43_phy_read(dev, B43_PHY_OFDM(0x1B)) & ~0x1000);
		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
			b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
		else
			b43_phy_write(dev, B43_PHY_ENCORE,
				b43_phy_read(dev, B43_PHY_ENCORE) & ~0x1010);
	}

	b43_wa_all(dev);

	if (phy->type == B43_PHYTYPE_A) {
		if (phy->gmode && (phy->rev < 3))
			b43_phy_set(dev, 0x0034, 0x0001);
		b43_phy_rssiagc(dev, 0);

		b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);

		b43_radio_init2060(dev);

		if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
		    ((bus->boardinfo.type == SSB_BOARD_BU4306) ||
		     (bus->boardinfo.type == SSB_BOARD_BU4309))) {
			; //TODO: A PHY LO
		}

		if (phy->rev >= 3)
			b43_phy_ww(dev);

		hardware_pctl_init_aphy(dev);

		//TODO: radar detection
	}

	if ((phy->type == B43_PHYTYPE_G) &&
	    (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)) {
		b43_phy_write(dev, B43_PHY_OFDM(0x6E),
				  (b43_phy_read(dev, B43_PHY_OFDM(0x6E))
				   & 0xE000) | 0x3CF);
	}
}

/* Initialise the TSSI->dBm lookup table */
static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_a *aphy = phy->a;
	s16 pab0, pab1, pab2;

	pab0 = (s16) (dev->dev->bus->sprom.pa1b0);
	pab1 = (s16) (dev->dev->bus->sprom.pa1b1);
	pab2 = (s16) (dev->dev->bus->sprom.pa1b2);

	if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
	    pab0 != -1 && pab1 != -1 && pab2 != -1) {
		/* The pabX values are set in SPROM. Use them. */
		if ((s8) dev->dev->bus->sprom.itssi_a != 0 &&
		    (s8) dev->dev->bus->sprom.itssi_a != -1)
			aphy->tgt_idle_tssi =
			    (s8) (dev->dev->bus->sprom.itssi_a);
		else
			aphy->tgt_idle_tssi = 62;
		aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
							       pab1, pab2);
		if (!aphy->tssi2dbm)
			return -ENOMEM;
	} else {
		/* pabX values not set in SPROM,
		 * but APHY needs a generated table. */
		aphy->tssi2dbm = NULL;
		b43err(dev->wl, "Could not generate tssi2dBm "
		       "table (wrong SPROM info)!\n");
		return -ENODEV;
	}

	return 0;
}

static int b43_aphy_op_allocate(struct b43_wldev *dev)
{
	struct b43_phy_a *aphy;
	int err;

	aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
	if (!aphy)
		return -ENOMEM;
	dev->phy.a = aphy;

	err = b43_aphy_init_tssi2dbm_table(dev);
	if (err)
		goto err_free_aphy;

	return 0;

err_free_aphy:
	kfree(aphy);
	dev->phy.a = NULL;

	return err;
}

static void b43_aphy_op_prepare_structs(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_a *aphy = phy->a;
	const void *tssi2dbm;
	int tgt_idle_tssi;

	/* tssi2dbm table is constant, so it is initialized at alloc time.
	 * Save a copy of the pointer. */
	tssi2dbm = aphy->tssi2dbm;
	tgt_idle_tssi = aphy->tgt_idle_tssi;

	/* Zero out the whole PHY structure. */
	memset(aphy, 0, sizeof(*aphy));

	aphy->tssi2dbm = tssi2dbm;
	aphy->tgt_idle_tssi = tgt_idle_tssi;

	//TODO init struct b43_phy_a

}

static void b43_aphy_op_free(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_a *aphy = phy->a;

	kfree(aphy->tssi2dbm);
	aphy->tssi2dbm = NULL;

	kfree(aphy);
	dev->phy.a = NULL;
}

static int b43_aphy_op_init(struct b43_wldev *dev)
{
	b43_phy_inita(dev);

	return 0;
}

static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset)
{
	/* OFDM registers are base-registers for the A-PHY. */
	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
		offset &= ~B43_PHYROUTE;
		offset |= B43_PHYROUTE_BASE;
	}

#if B43_DEBUG
	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
		/* Ext-G registers are only available on G-PHYs */
		b43err(dev->wl, "Invalid EXT-G PHY access at "
		       "0x%04X on A-PHY\n", offset);
		dump_stack();
	}
	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
		/* N-BMODE registers are only available on N-PHYs */
		b43err(dev->wl, "Invalid N-BMODE PHY access at "
		       "0x%04X on A-PHY\n", offset);
		dump_stack();
	}
#endif /* B43_DEBUG */

	return offset;
}

static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg)
{
	reg = adjust_phyreg(dev, reg);
	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	return b43_read16(dev, B43_MMIO_PHY_DATA);
}

static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
{
	reg = adjust_phyreg(dev, reg);
	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	b43_write16(dev, B43_MMIO_PHY_DATA, value);
}

static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);
	/* A-PHY needs 0x40 for read access */
	reg |= 0x40;

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
}

static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
}

static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
{
	return (dev->phy.rev >= 5);
}

static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
					enum rfkill_state state)
{
	struct b43_phy *phy = &dev->phy;

	if (state == RFKILL_STATE_UNBLOCKED) {
		if (phy->radio_on)
			return;
		b43_radio_write16(dev, 0x0004, 0x00C0);
		b43_radio_write16(dev, 0x0005, 0x0008);
		b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7);
		b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7);
		b43_radio_init2060(dev);
	} else {
		b43_radio_write16(dev, 0x0004, 0x00FF);
		b43_radio_write16(dev, 0x0005, 0x00FB);
		b43_phy_set(dev, 0x0010, 0x0008);
		b43_phy_set(dev, 0x0011, 0x0008);
	}
}

static int b43_aphy_op_switch_channel(struct b43_wldev *dev,
				      unsigned int new_channel)
{
	if (new_channel > 200)
		return -EINVAL;
	aphy_channel_switch(dev, new_channel);

	return 0;
}

static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
{
	return 36; /* Default to channel 36 */
}

static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
{//TODO
	struct b43_phy *phy = &dev->phy;
	u64 hf;
	u16 tmp;
	int autodiv = 0;

	if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
		autodiv = 1;

	hf = b43_hf_read(dev);
	hf &= ~B43_HF_ANTDIVHELP;
	b43_hf_write(dev, hf);

	tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
	tmp &= ~B43_PHY_BBANDCFG_RXANT;
	tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
	    << B43_PHY_BBANDCFG_RXANT_SHIFT;
	b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);

	if (autodiv) {
		tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
		if (antenna == B43_ANTENNA_AUTO0)
			tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
		else
			tmp |= B43_PHY_ANTDWELL_AUTODIV1;
		b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
	}
	if (phy->rev < 3) {
		tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
		tmp = (tmp & 0xFF00) | 0x24;
		b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
	} else {
		tmp = b43_phy_read(dev, B43_PHY_OFDM61);
		tmp |= 0x10;
		b43_phy_write(dev, B43_PHY_OFDM61, tmp);
		if (phy->analog == 3) {
			b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
				      0x1D);
			b43_phy_write(dev, B43_PHY_ADIVRELATED,
				      8);
		} else {
			b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
				      0x3A);
			tmp =
			    b43_phy_read(dev,
					 B43_PHY_ADIVRELATED);
			tmp = (tmp & 0xFF00) | 8;
			b43_phy_write(dev, B43_PHY_ADIVRELATED,
				      tmp);
		}
	}

	hf |= B43_HF_ANTDIVHELP;
	b43_hf_write(dev, hf);
}

static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)
{//TODO
}

static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev,
							bool ignore_tssi)
{//TODO
	return B43_TXPWR_RES_DONE;
}

static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev)
{//TODO
}

static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev)
{//TODO
}

const struct b43_phy_operations b43_phyops_a = {
	.allocate		= b43_aphy_op_allocate,
	.free			= b43_aphy_op_free,
	.prepare_structs	= b43_aphy_op_prepare_structs,
	.init			= b43_aphy_op_init,
	.phy_read		= b43_aphy_op_read,
	.phy_write		= b43_aphy_op_write,
	.radio_read		= b43_aphy_op_radio_read,
	.radio_write		= b43_aphy_op_radio_write,
	.supports_hwpctl	= b43_aphy_op_supports_hwpctl,
	.software_rfkill	= b43_aphy_op_software_rfkill,
	.switch_analog		= b43_phyop_switch_analog_generic,
	.switch_channel		= b43_aphy_op_switch_channel,
	.get_default_chan	= b43_aphy_op_get_default_chan,
	.set_rx_antenna		= b43_aphy_op_set_rx_antenna,
	.recalc_txpower		= b43_aphy_op_recalc_txpower,
	.adjust_txpower		= b43_aphy_op_adjust_txpower,
	.pwork_15sec		= b43_aphy_op_pwork_15sec,
	.pwork_60sec		= b43_aphy_op_pwork_60sec,
};
Commit	Line	Data
ef1a628d MB	1	/*
	2
	3	Broadcom B43 wireless driver
	4	IEEE 802.11a PHY driver
	5
	6	Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
	7	Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
	8	Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de>
	9	Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
	10	Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
	11
	12	This program is free software; you can redistribute it and/or modify
	13	it under the terms of the GNU General Public License as published by
	14	the Free Software Foundation; either version 2 of the License, or
	15	(at your option) any later version.
	16
	17	This program is distributed in the hope that it will be useful,
	18	but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	GNU General Public License for more details.
	21
	22	You should have received a copy of the GNU General Public License
	23	along with this program; see the file COPYING. If not, write to
	24	the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
	25	Boston, MA 02110-1301, USA.
	26
	27	*/
	28
	29	#include "b43.h"
	30	#include "phy_a.h"
	31	#include "phy_common.h"
	32	#include "wa.h"
	33	#include "tables.h"
	34	#include "main.h"
	35
	36
	37	/* Get the freq, as it has to be written to the device. */
	38	static inline u16 channel2freq_a(u8 channel)
	39	{
	40	B43_WARN_ON(channel > 200);
	41
	42	return (5000 + 5 * channel);
	43	}
	44
	45	static inline u16 freq_r3A_value(u16 frequency)
	46	{
	47	u16 value;
	48
	49	if (frequency < 5091)
	50	value = 0x0040;
	51	else if (frequency < 5321)
	52	value = 0x0000;
	53	else if (frequency < 5806)
	54	value = 0x0080;
	55	else
	56	value = 0x0040;
	57
	58	return value;
	59	}
	60
99c4a780 MB	61	#if 0
	62	/* This function converts a TSSI value to dBm in Q5.2 */
	63	static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
	64	{
	65	struct b43_phy *phy = &dev->phy;
	66	struct b43_phy_a *aphy = phy->a;
	67	s8 dbm = 0;
	68	s32 tmp;
	69
	70	tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
	71	tmp += 0x80;
	72	tmp = clamp_val(tmp, 0x00, 0xFF);
	73	dbm = aphy->tssi2dbm[tmp];
	74	//TODO: There's a FIXME on the specs
	75
	76	return dbm;
	77	}
	78	#endif
	79
11ab72a7	80	static void b43_radio_set_tx_iq(struct b43_wldev *dev)
ef1a628d MB	81	{
	82	static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
	83	static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
	84	u16 tmp = b43_radio_read16(dev, 0x001E);
	85	int i, j;
	86
	87	for (i = 0; i < 5; i++) {
	88	for (j = 0; j < 5; j++) {
	89	if (tmp == (data_high[i] << 4 \| data_low[j])) {
	90	b43_phy_write(dev, 0x0069,
	91	(i - j) << 8 \| 0x00C0);
	92	return;
	93	}
	94	}
	95	}
	96	}
	97
	98	static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
	99	{
	100	u16 freq, r8, tmp;
	101
	102	freq = channel2freq_a(channel);
	103
	104	r8 = b43_radio_read16(dev, 0x0008);
	105	b43_write16(dev, 0x03F0, freq);
	106	b43_radio_write16(dev, 0x0008, r8);
	107
	108	//TODO: write max channel TX power? to Radio 0x2D
	109	tmp = b43_radio_read16(dev, 0x002E);
	110	tmp &= 0x0080;
	111	//TODO: OR tmp with the Power out estimation for this channel?
	112	b43_radio_write16(dev, 0x002E, tmp);
	113
	114	if (freq >= 4920 && freq <= 5500) {
	115	/*
	116	* r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
	117	* = (freq * 0.025862069
	118	*/
	119	r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */
	120	}
	121	b43_radio_write16(dev, 0x0007, (r8 << 4) \| r8);
	122	b43_radio_write16(dev, 0x0020, (r8 << 4) \| r8);
	123	b43_radio_write16(dev, 0x0021, (r8 << 4) \| r8);
	124	b43_radio_write16(dev, 0x0022, (b43_radio_read16(dev, 0x0022)
	125	& 0x000F) \| (r8 << 4));
	126	b43_radio_write16(dev, 0x002A, (r8 << 4));
	127	b43_radio_write16(dev, 0x002B, (r8 << 4));
	128	b43_radio_write16(dev, 0x0008, (b43_radio_read16(dev, 0x0008)
	129	& 0x00F0) \| (r8 << 4));
	130	b43_radio_write16(dev, 0x0029, (b43_radio_read16(dev, 0x0029)
	131	& 0xFF0F) \| 0x00B0);
	132	b43_radio_write16(dev, 0x0035, 0x00AA);
	133	b43_radio_write16(dev, 0x0036, 0x0085);
	134	b43_radio_write16(dev, 0x003A, (b43_radio_read16(dev, 0x003A)
	135	& 0xFF20) \|
	136	freq_r3A_value(freq));
	137	b43_radio_write16(dev, 0x003D,
	138	b43_radio_read16(dev, 0x003D) & 0x00FF);
	139	b43_radio_write16(dev, 0x0081, (b43_radio_read16(dev, 0x0081)
	140	& 0xFF7F) \| 0x0080);
	141	b43_radio_write16(dev, 0x0035,
	142	b43_radio_read16(dev, 0x0035) & 0xFFEF);
	143	b43_radio_write16(dev, 0x0035, (b43_radio_read16(dev, 0x0035)
	144	& 0xFFEF) \| 0x0010);
145	b43_radio_set_tx_iq(dev);
146	//TODO: TSSI2dbm workaround
147	//FIXME b43_phy_xmitpower(dev);
148	}
149
11ab72a7	150	static void b43_radio_init2060(struct b43_wldev *dev)
ef1a628d MB	151	{
	152	b43_radio_write16(dev, 0x0004, 0x00C0);
	153	b43_radio_write16(dev, 0x0005, 0x0008);
	154	b43_radio_write16(dev, 0x0009, 0x0040);
	155	b43_radio_write16(dev, 0x0005, 0x00AA);
	156	b43_radio_write16(dev, 0x0032, 0x008F);
	157	b43_radio_write16(dev, 0x0006, 0x008F);
	158	b43_radio_write16(dev, 0x0034, 0x008F);
	159	b43_radio_write16(dev, 0x002C, 0x0007);
	160	b43_radio_write16(dev, 0x0082, 0x0080);
	161	b43_radio_write16(dev, 0x0080, 0x0000);
	162	b43_radio_write16(dev, 0x003F, 0x00DA);
	163	b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
	164	b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0010);
	165	b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
	166	b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
	167	msleep(1); /* delay 400usec */
	168
	169	b43_radio_write16(dev, 0x0081,
	170	(b43_radio_read16(dev, 0x0081) & ~0x0020) \| 0x0010);
	171	msleep(1); /* delay 400usec */
	172
	173	b43_radio_write16(dev, 0x0005,
	174	(b43_radio_read16(dev, 0x0005) & ~0x0008) \| 0x0008);
	175	b43_radio_write16(dev, 0x0085, b43_radio_read16(dev, 0x0085) & ~0x0010);
	176	b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
	177	b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0040);
	178	b43_radio_write16(dev, 0x0081,
	179	(b43_radio_read16(dev, 0x0081) & ~0x0040) \| 0x0040);
	180	b43_radio_write16(dev, 0x0005,
	181	(b43_radio_read16(dev, 0x0081) & ~0x0008) \| 0x0008);
	182	b43_phy_write(dev, 0x0063, 0xDDC6);
	183	b43_phy_write(dev, 0x0069, 0x07BE);
	184	b43_phy_write(dev, 0x006A, 0x0000);
	185
	186	aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev));
	187
	188	msleep(1);
	189	}
	190
	191	static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable)
	192	{
	193	int i;
	194
	195	if (dev->phy.rev < 3) {
	196	if (enable)
	197	for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
	198	b43_ofdmtab_write16(dev,
	199	B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8);
	200	b43_ofdmtab_write16(dev,
	201	B43_OFDMTAB_WRSSI, i, 0xFFF8);
	202	}
	203	else
	204	for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
	205	b43_ofdmtab_write16(dev,
	206	B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]);
	207	b43_ofdmtab_write16(dev,
	208	B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]);
	209	}
	210	} else {
	211	if (enable)
	212	for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++)
	213	b43_ofdmtab_write16(dev,
	214	B43_OFDMTAB_WRSSI, i, 0x0820);
215	else
216	for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++)
217	b43_ofdmtab_write16(dev,
218	B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]);
219	}
220	}
221
222	static void b43_phy_ww(struct b43_wldev *dev)
223	{
224	u16 b, curr_s, best_s = 0xFFFF;
225	int i;
226
227	b43_phy_write(dev, B43_PHY_CRS0,
228	b43_phy_read(dev, B43_PHY_CRS0) & ~B43_PHY_CRS0_EN);
e59be0b5	229	b43_phy_set(dev, B43_PHY_OFDM(0x1B), 0x1000);
ef1a628d MB	230	b43_phy_write(dev, B43_PHY_OFDM(0x82),
	231	(b43_phy_read(dev, B43_PHY_OFDM(0x82)) & 0xF0FF) \| 0x0300);
	232	b43_radio_write16(dev, 0x0009,
	233	b43_radio_read16(dev, 0x0009) \| 0x0080);
	234	b43_radio_write16(dev, 0x0012,
	235	(b43_radio_read16(dev, 0x0012) & 0xFFFC) \| 0x0002);
	236	b43_wa_initgains(dev);
	237	b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5);
	238	b = b43_phy_read(dev, B43_PHY_PWRDOWN);
	239	b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) \| 0x0005);
	240	b43_radio_write16(dev, 0x0004,
	241	b43_radio_read16(dev, 0x0004) \| 0x0004);
	242	for (i = 0x10; i <= 0x20; i++) {
	243	b43_radio_write16(dev, 0x0013, i);
	244	curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF;
	245	if (!curr_s) {
	246	best_s = 0x0000;
	247	break;
	248	} else if (curr_s >= 0x0080)
	249	curr_s = 0x0100 - curr_s;
	250	if (curr_s < best_s)
	251	best_s = curr_s;
	252	}
	253	b43_phy_write(dev, B43_PHY_PWRDOWN, b);
	254	b43_radio_write16(dev, 0x0004,
	255	b43_radio_read16(dev, 0x0004) & 0xFFFB);
	256	b43_radio_write16(dev, 0x0013, best_s);
	257	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC);
	258	b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80);
	259	b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00);
	260	b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0);
	261	b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0);
	262	b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF);
	263	b43_phy_write(dev, B43_PHY_OFDM(0xBB),
	264	(b43_phy_read(dev, B43_PHY_OFDM(0xBB)) & 0xF000) \| 0x0053);
	265	b43_phy_write(dev, B43_PHY_OFDM61,
	266	(b43_phy_read(dev, B43_PHY_OFDM61) & 0xFE1F) \| 0x0120);
	267	b43_phy_write(dev, B43_PHY_OFDM(0x13),
	268	(b43_phy_read(dev, B43_PHY_OFDM(0x13)) & 0x0FFF) \| 0x3000);
	269	b43_phy_write(dev, B43_PHY_OFDM(0x14),
	270	(b43_phy_read(dev, B43_PHY_OFDM(0x14)) & 0x0FFF) \| 0x3000);
	271	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017);
	272	for (i = 0; i < 6; i++)
	273	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F);
	274	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E);
	275	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011);
	276	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013);
	277	b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030);
e59be0b5	278	b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
ef1a628d MB	279	}
	280
	281	static void hardware_pctl_init_aphy(struct b43_wldev *dev)
	282	{
	283	//TODO
	284	}
	285
	286	void b43_phy_inita(struct b43_wldev *dev)
	287	{
	288	struct ssb_bus *bus = dev->dev->bus;
	289	struct b43_phy *phy = &dev->phy;
	290
	291	/* This lowlevel A-PHY init is also called from G-PHY init.
	292	* So we must not access phy->a, if called from G-PHY code.
	293	*/
	294	B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
	295	(phy->type != B43_PHYTYPE_G));
	296
	297	might_sleep();
	298
	299	if (phy->rev >= 6) {
	300	if (phy->type == B43_PHYTYPE_A)
	301	b43_phy_write(dev, B43_PHY_OFDM(0x1B),
	302	b43_phy_read(dev, B43_PHY_OFDM(0x1B)) & ~0x1000);
	303	if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
e59be0b5	304	b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
ef1a628d MB	305	else
	306	b43_phy_write(dev, B43_PHY_ENCORE,
	307	b43_phy_read(dev, B43_PHY_ENCORE) & ~0x1010);
	308	}
	309
	310	b43_wa_all(dev);
	311
	312	if (phy->type == B43_PHYTYPE_A) {
	313	if (phy->gmode && (phy->rev < 3))
e59be0b5	314	b43_phy_set(dev, 0x0034, 0x0001);
ef1a628d MB	315	b43_phy_rssiagc(dev, 0);
ef1a628d MB	316
e59be0b5	317	b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
ef1a628d MB	318
	319	b43_radio_init2060(dev);
	320
	321	if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
	322	((bus->boardinfo.type == SSB_BOARD_BU4306) \|\|
	323	(bus->boardinfo.type == SSB_BOARD_BU4309))) {
	324	; //TODO: A PHY LO
	325	}
	326
	327	if (phy->rev >= 3)
	328	b43_phy_ww(dev);
	329
	330	hardware_pctl_init_aphy(dev);
	331
	332	//TODO: radar detection
	333	}
	334
	335	if ((phy->type == B43_PHYTYPE_G) &&
	336	(dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)) {
	337	b43_phy_write(dev, B43_PHY_OFDM(0x6E),
	338	(b43_phy_read(dev, B43_PHY_OFDM(0x6E))
	339	& 0xE000) \| 0x3CF);
	340	}
	341	}
	342
99c4a780 MB	343	/* Initialise the TSSI->dBm lookup table */
	344	static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
	345	{
	346	struct b43_phy *phy = &dev->phy;
	347	struct b43_phy_a *aphy = phy->a;
	348	s16 pab0, pab1, pab2;
	349
	350	pab0 = (s16) (dev->dev->bus->sprom.pa1b0);
	351	pab1 = (s16) (dev->dev->bus->sprom.pa1b1);
	352	pab2 = (s16) (dev->dev->bus->sprom.pa1b2);
	353
	354	if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
	355	pab0 != -1 && pab1 != -1 && pab2 != -1) {
	356	/* The pabX values are set in SPROM. Use them. */
	357	if ((s8) dev->dev->bus->sprom.itssi_a != 0 &&
	358	(s8) dev->dev->bus->sprom.itssi_a != -1)
	359	aphy->tgt_idle_tssi =
	360	(s8) (dev->dev->bus->sprom.itssi_a);
	361	else
	362	aphy->tgt_idle_tssi = 62;
	363	aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
	364	pab1, pab2);
	365	if (!aphy->tssi2dbm)
	366	return -ENOMEM;
	367	} else {
	368	/* pabX values not set in SPROM,
	369	* but APHY needs a generated table. */
	370	aphy->tssi2dbm = NULL;
	371	b43err(dev->wl, "Could not generate tssi2dBm "
	372	"table (wrong SPROM info)!\n");
	373	return -ENODEV;
	374	}
	375
	376	return 0;
	377	}
	378
ef1a628d MB	379	static int b43_aphy_op_allocate(struct b43_wldev *dev)
	380	{
	381	struct b43_phy_a *aphy;
99c4a780	382	int err;
ef1a628d MB	383
	384	aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
	385	if (!aphy)
	386	return -ENOMEM;
	387	dev->phy.a = aphy;
	388
99c4a780 MB	389	err = b43_aphy_init_tssi2dbm_table(dev);
	390	if (err)
	391	goto err_free_aphy;
	392
ef1a628d	393	return 0;
99c4a780 MB	394
	395	err_free_aphy:
	396	kfree(aphy);
	397	dev->phy.a = NULL;
	398
	399	return err;
ef1a628d MB	400	}
ef1a628d MB	401
fb11137a	402	static void b43_aphy_op_prepare_structs(struct b43_wldev *dev)
ef1a628d	403	{
fb11137a MB	404	struct b43_phy *phy = &dev->phy;
	405	struct b43_phy_a *aphy = phy->a;
	406	const void *tssi2dbm;
	407	int tgt_idle_tssi;
ef1a628d	408
fb11137a MB	409	/* tssi2dbm table is constant, so it is initialized at alloc time.
	410	* Save a copy of the pointer. */
	411	tssi2dbm = aphy->tssi2dbm;
	412	tgt_idle_tssi = aphy->tgt_idle_tssi;
	413
	414	/* Zero out the whole PHY structure. */
	415	memset(aphy, 0, sizeof(*aphy));
	416
	417	aphy->tssi2dbm = tssi2dbm;
	418	aphy->tgt_idle_tssi = tgt_idle_tssi;
	419
	420	//TODO init struct b43_phy_a
ef1a628d	421
ef1a628d MB	422	}
ef1a628d MB	423
fb11137a	424	static void b43_aphy_op_free(struct b43_wldev *dev)
ef1a628d	425	{
fb11137a MB	426	struct b43_phy *phy = &dev->phy;
fb11137a MB	427	struct b43_phy_a *aphy = phy->a;
ef1a628d	428
99c4a780	429	kfree(aphy->tssi2dbm);
fb11137a MB	430	aphy->tssi2dbm = NULL;
fb11137a MB	431
ef1a628d MB	432	kfree(aphy);
	433	dev->phy.a = NULL;
	434	}
	435
fb11137a MB	436	static int b43_aphy_op_init(struct b43_wldev *dev)
	437	{
	438	b43_phy_inita(dev);
	439
	440	return 0;
	441	}
	442
ef1a628d MB	443	static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset)
	444	{
	445	/* OFDM registers are base-registers for the A-PHY. */
	446	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
	447	offset &= ~B43_PHYROUTE;
	448	offset \|= B43_PHYROUTE_BASE;
	449	}
	450
	451	#if B43_DEBUG
	452	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
	453	/* Ext-G registers are only available on G-PHYs */
	454	b43err(dev->wl, "Invalid EXT-G PHY access at "
	455	"0x%04X on A-PHY\n", offset);
	456	dump_stack();
	457	}
	458	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
	459	/* N-BMODE registers are only available on N-PHYs */
	460	b43err(dev->wl, "Invalid N-BMODE PHY access at "
	461	"0x%04X on A-PHY\n", offset);
	462	dump_stack();
	463	}
	464	#endif /* B43_DEBUG */
	465
	466	return offset;
	467	}
	468
	469	static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg)
	470	{
	471	reg = adjust_phyreg(dev, reg);
	472	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	473	return b43_read16(dev, B43_MMIO_PHY_DATA);
	474	}
	475
	476	static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
	477	{
	478	reg = adjust_phyreg(dev, reg);
	479	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	480	b43_write16(dev, B43_MMIO_PHY_DATA, value);
	481	}
	482
	483	static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
	484	{
	485	/* Register 1 is a 32-bit register. */
	486	B43_WARN_ON(reg == 1);
	487	/* A-PHY needs 0x40 for read access */
	488	reg \|= 0x40;
	489
	490	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	491	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
	492	}
	493
	494	static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
	495	{
	496	/* Register 1 is a 32-bit register. */
	497	B43_WARN_ON(reg == 1);
	498
	499	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	500	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
	501	}
	502
	503	static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
	504	{
	505	return (dev->phy.rev >= 5);
	506	}
507
508	static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
509	enum rfkill_state state)
99c4a780 MB	510	{
	511	struct b43_phy *phy = &dev->phy;
	512
	513	if (state == RFKILL_STATE_UNBLOCKED) {
	514	if (phy->radio_on)
	515	return;
	516	b43_radio_write16(dev, 0x0004, 0x00C0);
	517	b43_radio_write16(dev, 0x0005, 0x0008);
	518	b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7);
	519	b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7);
	520	b43_radio_init2060(dev);
	521	} else {
	522	b43_radio_write16(dev, 0x0004, 0x00FF);
	523	b43_radio_write16(dev, 0x0005, 0x00FB);
e59be0b5 MB	524	b43_phy_set(dev, 0x0010, 0x0008);
e59be0b5 MB	525	b43_phy_set(dev, 0x0011, 0x0008);
99c4a780	526	}
ef1a628d MB	527	}
	528
	529	static int b43_aphy_op_switch_channel(struct b43_wldev *dev,
	530	unsigned int new_channel)
	531	{
	532	if (new_channel > 200)
	533	return -EINVAL;
	534	aphy_channel_switch(dev, new_channel);
	535
	536	return 0;
	537	}
	538
	539	static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
	540	{
	541	return 36; /* Default to channel 36 */
	542	}
	543
	544	static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
	545	{//TODO
	546	struct b43_phy *phy = &dev->phy;
	547	u64 hf;
	548	u16 tmp;
	549	int autodiv = 0;
	550
	551	if (antenna == B43_ANTENNA_AUTO0 \|\| antenna == B43_ANTENNA_AUTO1)
	552	autodiv = 1;
	553
	554	hf = b43_hf_read(dev);
	555	hf &= ~B43_HF_ANTDIVHELP;
	556	b43_hf_write(dev, hf);
	557
	558	tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
	559	tmp &= ~B43_PHY_BBANDCFG_RXANT;
	560	tmp \|= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
	561	<< B43_PHY_BBANDCFG_RXANT_SHIFT;
	562	b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);
	563
	564	if (autodiv) {
	565	tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
	566	if (antenna == B43_ANTENNA_AUTO0)
	567	tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
	568	else
	569	tmp \|= B43_PHY_ANTDWELL_AUTODIV1;
	570	b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
	571	}
	572	if (phy->rev < 3) {
	573	tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
	574	tmp = (tmp & 0xFF00) \| 0x24;
	575	b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
	576	} else {
	577	tmp = b43_phy_read(dev, B43_PHY_OFDM61);
	578	tmp \|= 0x10;
	579	b43_phy_write(dev, B43_PHY_OFDM61, tmp);
	580	if (phy->analog == 3) {
	581	b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
	582	0x1D);
	583	b43_phy_write(dev, B43_PHY_ADIVRELATED,
	584	8);
	585	} else {
	586	b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
	587	0x3A);
	588	tmp =
	589	b43_phy_read(dev,
	590	B43_PHY_ADIVRELATED);
591	tmp = (tmp & 0xFF00) \| 8;
592	b43_phy_write(dev, B43_PHY_ADIVRELATED,
593	tmp);
594	}
595	}
596
597	hf \|= B43_HF_ANTDIVHELP;
598	b43_hf_write(dev, hf);
599	}
600
18c8adeb	601	static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)
ef1a628d MB	602	{//TODO
	603	}
	604
18c8adeb MB	605	static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev,
	606	bool ignore_tssi)
	607	{//TODO
	608	return B43_TXPWR_RES_DONE;
	609	}
	610
ef1a628d MB	611	static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev)
	612	{//TODO
	613	}
	614
	615	static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev)
	616	{//TODO
	617	}
	618
	619	const struct b43_phy_operations b43_phyops_a = {
	620	.allocate = b43_aphy_op_allocate,
fb11137a MB	621	.free = b43_aphy_op_free,
fb11137a MB	622	.prepare_structs = b43_aphy_op_prepare_structs,
ef1a628d	623	.init = b43_aphy_op_init,
ef1a628d MB	624	.phy_read = b43_aphy_op_read,
	625	.phy_write = b43_aphy_op_write,
	626	.radio_read = b43_aphy_op_radio_read,
	627	.radio_write = b43_aphy_op_radio_write,
	628	.supports_hwpctl = b43_aphy_op_supports_hwpctl,
	629	.software_rfkill = b43_aphy_op_software_rfkill,
cb24f57f	630	.switch_analog = b43_phyop_switch_analog_generic,
ef1a628d MB	631	.switch_channel = b43_aphy_op_switch_channel,
	632	.get_default_chan = b43_aphy_op_get_default_chan,
	633	.set_rx_antenna = b43_aphy_op_set_rx_antenna,
18c8adeb MB	634	.recalc_txpower = b43_aphy_op_recalc_txpower,
18c8adeb MB	635	.adjust_txpower = b43_aphy_op_adjust_txpower,
ef1a628d MB	636	.pwork_15sec = b43_aphy_op_pwork_15sec,
	637	.pwork_60sec = b43_aphy_op_pwork_60sec,
	638	};