src/add-ons/kernel/drivers/network/wlan/ralinkwifi/glue.c

   1 /*
   2  * Copyright 2009, Colin Günther, coling@gmx.de.
   3  * All Rights Reserved. Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <sys/bus.h>
   8 #include <sys/kernel.h>
   9
  10 #include <dev/pci/pcivar.h>
  11
  12 #include <machine/bus.h>
  13
  14 #include <net/if.h>
  15 #include <net/if_media.h>
  16
  17 #include <net80211/ieee80211_var.h>
  18 #include <net80211/ieee80211_amrr.h>
  19
  20 #include <dev/ral/rt2560reg.h>
  21 #include <dev/ral/rt2560var.h>
  22 #include <dev/ral/rt2860reg.h>
  23 #include <dev/ral/rt2860var.h>
  24
  25
  26 HAIKU_FBSD_WLAN_DRIVER_GLUE(ralinkwifi, ral, pci)
  27 HAIKU_DRIVER_REQUIREMENTS(FBSD_TASKQUEUES | FBSD_SWI_TASKQUEUE | FBSD_WLAN);
  28 HAIKU_FIRMWARE_VERSION(0);
  29 HAIKU_FIRMWARE_NAME_MAP(4) = {{"rt2561fw", "rt2561.bin"},
  30         {"rt2561sfw", "rt2561s.bin"}, {"rt2661fw", "rt2661.bin"},
  31         {"rt2860fw", "rt2860.bin"}};
  32
  33 NO_HAIKU_FBSD_MII_DRIVER();
  34 NO_HAIKU_REENABLE_INTERRUPTS();
  35
  36
  37 #define RT2661_INT_MASK_CSR                     0x346c
  38 #define RT2661_MCU_INT_MASK_CSR         0x0018
  39
  40
  41 int
  42 HAIKU_CHECK_DISABLE_INTERRUPTS(device_t dev)
  43 {
  44         struct rt2560_softc* sc = (struct rt2560_softc*)device_get_softc(dev);
  45                 // sc_ifp is common between context data structures
  46         struct ifnet* ifp = sc->sc_ifp;
  47
  48         switch (pci_get_device(dev)) {
  49                 case 0x0201:
  50                         // disable interrupts
  51                         RAL_WRITE(sc, RT2560_CSR8, 0xffffffff);
  52
  53                         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
  54                                 // don't re-enable interrupts if we're shutting down
  55                                 return 0;
  56                         }
  57                         break;
  58                 case 0x0301:
  59                 case 0x0302:
  60                 case 0x0401:
  61                         // disable MAC and MCU interrupts
  62                         RAL_WRITE(sc, RT2661_INT_MASK_CSR, 0xffffff7f);
  63                         RAL_WRITE(sc, RT2661_MCU_INT_MASK_CSR, 0xffffffff);
  64
  65                         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
  66                                 // don't re-enable interrupts if we're shutting down
  67                                 return 0;
  68                         }
  69                         break;
  70                 default:
  71                 {
  72                         uint32 r;
  73                         struct rt2860_softc* sc =
  74                                 (struct rt2860_softc*)device_get_softc(dev);
  75                         r = RAL_READ(sc, RT2860_INT_STATUS);
  76                         if (r == 0 || r == 0xffffffff)
  77                                 return 0;
  78
  79                         atomic_set((int32*)&sc->sc_intr_status, r);
  80                         break;
  81                 }
  82         }
  83
  84         return 1;
  85 }