// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Broadcom B43 wireless driver
 * IEEE 802.11ac AC-PHY support
 *
 * Copyright (c) 2015 Rafał Miłecki <zajec5@gmail.com>
 */

#include "b43.h"
#include "phy_ac.h"

/**************************************************
 * Basic PHY ops
 **************************************************/

static int b43_phy_ac_op_allocate(struct b43_wldev *dev)
{
        struct b43_phy_ac *phy_ac;

        phy_ac = kzalloc_obj(*phy_ac);
        if (!phy_ac)
                return -ENOMEM;
        dev->phy.ac = phy_ac;

        return 0;
}

static void b43_phy_ac_op_free(struct b43_wldev *dev)
{
        struct b43_phy *phy = &dev->phy;
        struct b43_phy_ac *phy_ac = phy->ac;

        kfree(phy_ac);
        phy->ac = NULL;
}

static void b43_phy_ac_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
                                  u16 set)
{
        b43_write16f(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_ac_op_radio_read(struct b43_wldev *dev, u16 reg)
{
        b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, reg);
        return b43_read16(dev, B43_MMIO_RADIO24_DATA);
}

static void b43_phy_ac_op_radio_write(struct b43_wldev *dev, u16 reg,
                                      u16 value)
{
        b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, reg);
        b43_write16(dev, B43_MMIO_RADIO24_DATA, value);
}

static unsigned int b43_phy_ac_op_get_default_chan(struct b43_wldev *dev)
{
        if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
                return 11;
        return 36;
}

static enum b43_txpwr_result
b43_phy_ac_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
{
        return B43_TXPWR_RES_DONE;
}

static void b43_phy_ac_op_adjust_txpower(struct b43_wldev *dev)
{
}

/**************************************************
 * PHY ops struct
 **************************************************/

const struct b43_phy_operations b43_phyops_ac = {
        .allocate               = b43_phy_ac_op_allocate,
        .free                   = b43_phy_ac_op_free,
        .phy_maskset            = b43_phy_ac_op_maskset,
        .radio_read             = b43_phy_ac_op_radio_read,
        .radio_write            = b43_phy_ac_op_radio_write,
        .get_default_chan       = b43_phy_ac_op_get_default_chan,
        .recalc_txpower         = b43_phy_ac_op_recalc_txpower,
        .adjust_txpower         = b43_phy_ac_op_adjust_txpower,
};