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 <machine/bus.h> 11 12 #include <net/if.h> 13 #include <net/if_media.h> 14 15 #include <net80211/ieee80211_var.h> 16 #include <net80211/ieee80211_amrr.h> 17 18 #include <dev/iwn/if_iwnreg.h> 19 #include <dev/iwn/if_iwnvar.h> 20 21 22 HAIKU_FBSD_WLAN_DRIVER_GLUE(iprowifi4965, iwn, pci) 23 NO_HAIKU_FBSD_MII_DRIVER(); 24 HAIKU_DRIVER_REQUIREMENTS(FBSD_TASKQUEUES|FBSD_WLAN); 25 HAIKU_FIRMWARE_VERSION(44417); 26 27 28 int 29 HAIKU_CHECK_DISABLE_INTERRUPTS(device_t dev) 30 { 31 struct iwn_softc* sc = (struct iwn_softc*)device_get_softc(dev); 32 uint32 r1, r2; 33 HAIKU_INTR_REGISTER_STATE; 34 35 HAIKU_INTR_REGISTER_ENTER(); 36 r1 = IWN_READ(sc, IWN_INTR); 37 r2 = IWN_READ(sc, IWN_INTR_STATUS); 38 39 if (r1 == 0 && r2 == 0) { 40 /* not for us */ 41 IWN_WRITE(sc, IWN_MASK, IWN_INTR_MASK); 42 HAIKU_INTR_REGISTER_LEAVE(); 43 return 0; 44 } 45 46 if (r1 == 0xffffffff) { 47 /* hardware gone */ 48 HAIKU_INTR_REGISTER_LEAVE(); 49 return 0; 50 } 51 52 /* disable interrupts */ 53 IWN_WRITE(sc, IWN_MASK, 0); 54 55 HAIKU_INTR_REGISTER_LEAVE(); 56 57 return 1; 58 } 59 60 61 void 62 HAIKU_REENABLE_INTERRUPTS(device_t dev) 63 { 64 struct iwn_softc* sc = (struct iwn_softc*)device_get_softc(dev); 65 66 /* enable interrupts */ 67 IWN_WRITE(sc, IWN_MASK, IWN_INTR_MASK); 68 } 69