FreeBSD/Linux Kernel Cross Reference
sys/dev/bwn/if_bwn_phy_n.c

     /*-
      * Copyright (c) 2016 Adrian Chadd <adrian@freebsd.org>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer,
     *    without modification.
     * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
     *    redistribution must be conditioned upon including a substantially
     *    similar Disclaimer requirement for further binary redistribution.
     *
     * NO WARRANTY
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
     * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
     * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
     * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
     * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGES.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    /*
     * This is the top-level N-PHY support for the Broadcom softmac driver.
     */
    
    #include "opt_bwn.h"
    #include "opt_wlan.h"
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/kernel.h>
    #include <sys/malloc.h>
    #include <sys/module.h>
    #include <sys/endian.h>
    #include <sys/errno.h>
    #include <sys/firmware.h>
    #include <sys/lock.h>
    #include <sys/mutex.h>
    #include <machine/bus.h>
    #include <machine/resource.h>
    #include <sys/bus.h>
    #include <sys/rman.h>
    #include <sys/socket.h>
    #include <sys/sockio.h>
    
    #include <net/ethernet.h>
    #include <net/if.h>
    #include <net/if_var.h>
    #include <net/if_arp.h>
    #include <net/if_dl.h>
    #include <net/if_llc.h>
    #include <net/if_media.h>
    #include <net/if_types.h>
    
    #include <dev/pci/pcivar.h>
    #include <dev/pci/pcireg.h>
    
    #include <net80211/ieee80211_var.h>
    #include <net80211/ieee80211_radiotap.h>
    #include <net80211/ieee80211_regdomain.h>
    #include <net80211/ieee80211_phy.h>
    #include <net80211/ieee80211_ratectl.h>
    
    #include <dev/bwn/if_bwnreg.h>
    #include <dev/bwn/if_bwnvar.h>
    
    #include <dev/bwn/if_bwn_debug.h>
    #include <dev/bwn/if_bwn_misc.h>
    #include <dev/bwn/if_bwn_phy_n.h>
    
    #ifdef  BWN_GPL_PHY
    #include <gnu/dev/bwn/phy_n/if_bwn_phy_n_tables.h>
    #include <gnu/dev/bwn/phy_n/if_bwn_phy_n_ppr.h>
    #include <gnu/dev/bwn/phy_n/if_bwn_phy_n_core.h>
    #endif
    
    /*
     * This module is always compiled into the kernel, regardless of
     * whether the GPL PHY is enabled.  If the GPL PHY isn't enabled
     * then it'll just be stubs that will fail to attach.
     */
    
    int
    bwn_phy_n_attach(struct bwn_mac *mac)
    {
    
    #ifdef  BWN_GPL_PHY
            return bwn_nphy_op_allocate(mac);
   #else
           device_printf(mac->mac_sc->sc_dev,
               "%s: BWN_GPL_PHY not in kernel config; "
               "no PHY-N support\n", __func__);
           return (ENXIO);
   #endif
   }
   
   void
   bwn_phy_n_detach(struct bwn_mac *mac)
   {
   
   #ifdef  BWN_GPL_PHY
           return bwn_nphy_op_free(mac);
   #endif
   }
   
   int
   bwn_phy_n_prepare_hw(struct bwn_mac *mac)
   {
   
   #ifdef  BWN_GPL_PHY
           return (bwn_nphy_op_prepare_structs(mac));
   #else
           return (ENXIO);
   #endif
   }
   
   void
   bwn_phy_n_init_pre(struct bwn_mac *mac)
   {
   
           /* XXX TODO */
   }
   
   int
   bwn_phy_n_init(struct bwn_mac *mac)
   {
   #ifdef  BWN_GPL_PHY
           return bwn_nphy_op_init(mac);
   #else
           return (ENXIO);
   #endif
   }
   
   void
   bwn_phy_n_exit(struct bwn_mac *mac)
   {
   
           /* XXX TODO */
   }
   
   uint16_t
   bwn_phy_n_read(struct bwn_mac *mac, uint16_t reg)
   {
   
           BWN_WRITE_2(mac, BWN_PHYCTL, reg);
           return BWN_READ_2(mac, BWN_PHYDATA);
   }
   
   void
   bwn_phy_n_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
   {
   
           BWN_WRITE_2(mac, BWN_PHYCTL, reg);
           BWN_WRITE_2(mac, BWN_PHYDATA, value);
   }
   
   uint16_t
   bwn_phy_n_rf_read(struct bwn_mac *mac, uint16_t reg)
   {
   
           /* Register 1 is a 32-bit register. */
           if (mac->mac_phy.rev < 7 && reg == 1) {
                   BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__);
           }
   
           if (mac->mac_phy.rev >= 7)
                   reg |= 0x200;    /* radio 0x2057 */
           else
                   reg |= 0x100;
   
           BWN_WRITE_2(mac, BWN_RFCTL, reg);
           return BWN_READ_2(mac, BWN_RFDATALO);
   }
   
   void
   bwn_phy_n_rf_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
   {
   
           /* Register 1 is a 32-bit register. */
           if (mac->mac_phy.rev < 7 && reg == 1) {
                   BWN_ERRPRINTF(mac->mac_sc, "%s: bad reg access\n", __func__);
           }
   
           BWN_WRITE_2(mac, BWN_RFCTL, reg);
           BWN_WRITE_2(mac, BWN_RFDATALO, value);
   }
   
   int
   bwn_phy_n_hwpctl(struct bwn_mac *mac)
   {
   
           return (0);
   }
   
   void
   bwn_phy_n_rf_onoff(struct bwn_mac *mac, int on)
   {
   #ifdef  BWN_GPL_PHY
           bwn_nphy_op_software_rfkill(mac, on);
   #endif
   }
   
   void
   bwn_phy_n_switch_analog(struct bwn_mac *mac, int on)
   {
   #ifdef  BWN_GPL_PHY
           bwn_nphy_op_switch_analog(mac, on);
   #endif
   }
   
   int
   bwn_phy_n_switch_channel(struct bwn_mac *mac, uint32_t newchan)
   {
   #ifdef  BWN_GPL_PHY
           return bwn_nphy_op_switch_channel(mac, newchan);
   #else
           return (ENXIO);
   #endif
   }
   
   uint32_t
   bwn_phy_n_get_default_chan(struct bwn_mac *mac)
   {
   
           if (bwn_current_band(mac) == BWN_BAND_2G)
                   return (1);
           return (36);
   }
   
   void
   bwn_phy_n_set_antenna(struct bwn_mac *mac, int antenna)
   {
           /* XXX TODO */
   }
   
   int
   bwn_phy_n_im(struct bwn_mac *mac, int mode)
   {
           /* XXX TODO */
           return (0);
   }
   
   bwn_txpwr_result_t
   bwn_phy_n_recalc_txpwr(struct bwn_mac *mac, int ignore_tssi)
   {
   #ifdef  BWN_GPL_PHY
           return bwn_nphy_op_recalc_txpower(mac, ignore_tssi);
   #else
           return (BWN_TXPWR_RES_DONE);
   #endif
   }
   
   void
   bwn_phy_n_set_txpwr(struct bwn_mac *mac)
   {
   
   }
   
   void
   bwn_phy_n_task_15s(struct bwn_mac *mac)
   {
   
   }
   
   void
   bwn_phy_n_task_60s(struct bwn_mac *mac)
   {
   
   }

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