src/add-ons/kernel/drivers/network/rtl81xx/dev/re/glue.c

   1 /*
   2  * Copyright 2008-2010, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <sys/bus.h>
   8 #include <sys/mutex.h>
   9 #include <sys/systm.h>
  10 #include <sys/taskqueue.h>
  11
  12 #include <machine/bus.h>
  13
  14 #include <pci/if_rlreg.h>
  15
  16
  17 extern driver_t *DRIVER_MODULE_NAME(rgephy, miibus);
  18 extern driver_t *DRIVER_MODULE_NAME(rlphy, miibus);
  19
  20
  21 HAIKU_FBSD_DRIVER_GLUE(rtl81xx, re, pci);
  22 HAIKU_DRIVER_REQUIREMENTS(FBSD_TASKQUEUES | FBSD_FAST_TASKQUEUE);
  23
  24
  25 driver_t *
  26 __haiku_select_miibus_driver(device_t dev)
  27 {
  28         driver_t *drivers[] = {
  29                 DRIVER_MODULE_NAME(rgephy, miibus),
  30                 DRIVER_MODULE_NAME(rlphy, miibus),
  31                 NULL
  32         };
  33
  34         return __haiku_probe_miibus(dev, drivers);
  35 }
  36
  37
  38 int
  39 HAIKU_CHECK_DISABLE_INTERRUPTS(device_t dev)
  40 {
  41         struct rl_softc *sc = device_get_softc(dev);
  42         uint16_t status;
  43
  44         status = CSR_READ_2(sc, RL_ISR);
  45         if (status == 0xffff)
  46                 return 0;
  47         if (status != 0 && (status & RL_INTRS) == 0) {
  48                 CSR_WRITE_2(sc, RL_ISR, status);
  49                 return 0;
  50         }
  51         if ((status & RL_INTRS) == 0)
  52                 return 0;
  53
  54         CSR_WRITE_2(sc, RL_IMR, 0);
  55         return 1;
  56 }
  57
  58
  59 void
  60 HAIKU_REENABLE_INTERRUPTS(device_t dev)
  61 {
  62         struct rl_softc *sc = device_get_softc(dev);
  63         RL_LOCK(sc);
  64         CSR_WRITE_2(sc, RL_IMR, RL_INTRS);
  65         RL_UNLOCK(sc);
  66 }