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kernel/linux-rt-4.4.41/drivers/net/wireless/b43/phy_ac.c 2.36 KB
5113f6f70   김현기   kernel add
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  /*
   * Broadcom B43 wireless driver
   * IEEE 802.11ac AC-PHY support
   *
   * Copyright (c) 2015 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.
   */
  
  #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(sizeof(*phy_ac), GFP_KERNEL);
  	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) == IEEE80211_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,
  };