FreeBSD/Linux Kernel Cross Reference
sys/dev/hpt27xx/hpt27xx_os_bsd.c

     /*-
      * Copyright (c) 2011 HighPoint Technologies, Inc.
      * 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.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
     *
     * $FreeBSD$
     */
    
    #include <dev/hpt27xx/hpt27xx_config.h>
    
    #include <dev/hpt27xx/os_bsd.h>
    
    /* hardware access */
    HPT_U8   os_inb  (void *port) { return inb((unsigned)(HPT_UPTR)port); }
    HPT_U16  os_inw  (void *port) { return inw((unsigned)(HPT_UPTR)port); }
    HPT_U32  os_inl  (void *port) { return inl((unsigned)(HPT_UPTR)port); }
    
    void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); }
    void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); }
    void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); }
    
    void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count)
    { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
    
    void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count)
    { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
    
    HPT_U32 __dummy_reg = 0;
    
    /* PCI configuration space */
    HPT_U8  os_pci_readb (void *osext, HPT_U8 offset)
    {
        return  pci_read_config(((PHBA)osext)->pcidev, offset, 1);
    }
    
    HPT_U16 os_pci_readw (void *osext, HPT_U8 offset)
    {
        return  pci_read_config(((PHBA)osext)->pcidev, offset, 2);
    }
    
    HPT_U32 os_pci_readl (void *osext, HPT_U8 offset)
    {
        return  pci_read_config(((PHBA)osext)->pcidev, offset, 4);
    }
    
    void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value)
    {
        pci_write_config(((PHBA)osext)->pcidev, offset, value, 1);
    }
    
    void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value)
    {
        pci_write_config(((PHBA)osext)->pcidev, offset, value, 2);
    }
    
    void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value)
    {
        pci_write_config(((PHBA)osext)->pcidev, offset, value, 4);
    }
    
    #if __FreeBSD_version < 500043
    /* PCI space access */
    HPT_U8 pcicfg_read_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
    {
            HPT_U8 v;
            pcicfgregs pciref;
    
            pciref.bus  = bus;
            pciref.slot = dev;
            pciref.func = func;
    
            v = pci_cfgread(&pciref, reg, 1);
            return v;
    }
    HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
    {
            HPT_U32 v;
            pcicfgregs pciref;
    
           pciref.bus  = bus;
           pciref.slot = dev;
           pciref.func = func;
   
           v = pci_cfgread(&pciref, reg, 4);
           return v;
   }
   void pcicfg_write_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U8 v)
   {
           pcicfgregs pciref;
   
           pciref.hose = -1;
           pciref.bus  = bus;
           pciref.slot = dev;
           pciref.func = func;
   
           pci_cfgwrite(&pciref, reg, v, 1);
   }
   void pcicfg_write_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U32 v)
   {
           pcicfgregs pciref;
   
           pciref.hose = -1;
           pciref.bus  = bus;
           pciref.slot = dev;
           pciref.func = func;
   
           pci_cfgwrite(&pciref, reg, v, 4);
   }/* PCI space access */
   #else 
   HPT_U8 pcicfg_read_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
   {
           return (HPT_U8)pci_cfgregread(bus, dev, func, reg, 1);
   }
   HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
   {
           return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4);
   }
   void pcicfg_write_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U8 v)
   {
           pci_cfgregwrite(bus, dev, func, reg, v, 1);
   }
   void pcicfg_write_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U32 v)
   {
           pci_cfgregwrite(bus, dev, func, reg, v, 4);
   }/* PCI space access */
   #endif
   
   void *os_map_pci_bar(
       void *osext, 
       int index,   
       HPT_U32 offset,
       HPT_U32 length
   )
   {
           PHBA hba = (PHBA)osext;
           HPT_U32 base;
   
           hba->pcibar[index].rid = 0x10 + index * 4;
           base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4);
   
           if (base & 1) {
                   hba->pcibar[index].type = SYS_RES_IOPORT;
                   hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
                           hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
                   hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1);
           } else {
                   hba->pcibar[index].type = SYS_RES_MEMORY;
                   hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
                           hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
                   hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
           }
   
           return hba->pcibar[index].base;
   }
   
   void os_unmap_pci_bar(void *osext, void *base)
   {
           PHBA hba = (PHBA)osext;
           int index;
           
           for (index=0; index<6; index++) {
                   if (hba->pcibar[index].base==base) {
                           bus_release_resource(hba->pcidev, hba->pcibar[index].type,
                                   hba->pcibar[index].rid, hba->pcibar[index].res);
                           hba->pcibar[index].base = 0;
                           return;
                   }
           }
   }
   
   void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
   {
       PVBUS_EXT vbus_ext = osext;
   
       if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
           vbus_ext = ((PHBA)osext)->vbus_ext;
   
       list->next = vbus_ext->freelist_head;
       vbus_ext->freelist_head = list;
       list->dma = 0;
       list->size = size;
       list->head = 0;
   #if DBG
       list->reserved_count =
   #endif
       list->count = count;
   }
   
   void *freelist_get(struct freelist *list)
   {
       void * result;
       if (list->count) {
           HPT_ASSERT(list->head);
           result = list->head;
           list->head = *(void **)result;
           list->count--;
           return result;
       }
       return 0;
   }
   
   void freelist_put(struct freelist * list, void *p)
   {
       HPT_ASSERT(list->dma==0);
       list->count++;
       *(void **)p = list->head;
       list->head = p;
   }
   
   void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
   {
       PVBUS_EXT vbus_ext = osext;
   
       if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
           vbus_ext = ((PHBA)osext)->vbus_ext;
   
       list->next = vbus_ext->freelist_dma_head;
       vbus_ext->freelist_dma_head = list;
       list->dma = 1;
       list->alignment = alignment;
       list->size = size;
       list->head = 0;
   #if DBG
       list->reserved_count =
   #endif
       list->count = count;
   }
   
   void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
   {
       void *result;
       HPT_ASSERT(list->dma);
       result = freelist_get(list);
       if (result)
           *busaddr = *(BUS_ADDRESS *)((void **)result+1);
       return result;
   }
   
   void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
   {
       HPT_ASSERT(list->dma);
       list->count++;
       *(void **)p = list->head;
       *(BUS_ADDRESS *)((void **)p+1) = busaddr;
       list->head = p;
   }
   
   HPT_U32 os_get_stamp(void)
   {
       HPT_U32 stamp;
       do { stamp = random(); } while (stamp==0);
       return stamp;
   }
   
   void os_stallexec(HPT_U32 microseconds)
   {
       DELAY(microseconds);
   }
   
   static void os_timer_for_ldm(void *arg)
   {
           PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
           ldm_on_timer((PVBUS)vbus_ext->vbus);
   }
   
   void  os_request_timer(void * osext, HPT_U32 interval)
   {
           PVBUS_EXT vbus_ext = osext;
   
           HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
           
           untimeout(os_timer_for_ldm, vbus_ext, vbus_ext->timer);
           vbus_ext->timer = timeout(os_timer_for_ldm, vbus_ext, interval * hz / 1000000);
   }
   
   HPT_TIME os_query_time(void)
   {
           return ticks * (1000000 / hz);
   }
   
   void os_schedule_task(void *osext, OSM_TASK *task)
   {
           PVBUS_EXT vbus_ext = osext;
           
           HPT_ASSERT(task->next==0);
           
           if (vbus_ext->tasks==0)
                   vbus_ext->tasks = task;
           else {
                   OSM_TASK *t = vbus_ext->tasks;
                   while (t->next) t = t->next;
                   t->next = task;
           }
   
           if (vbus_ext->worker.ta_context)
                   TASK_ENQUEUE(&vbus_ext->worker);
   }
   
   int os_revalidate_device(void *osext, int id)
   {
   
       return 0;
   }
   
   int os_query_remove_device(void *osext, int id)
   {
           return 0;
   }
   
   HPT_U8 os_get_vbus_seq(void *osext)
   {
       return ((PVBUS_EXT)osext)->sim->path_id;
   }
   
   int  os_printk(char *fmt, ...)
   {
       va_list args;
       static char buf[512];
   
       va_start(args, fmt);
       vsnprintf(buf, sizeof(buf), fmt, args);
       va_end(args);
       return printf("%s: %s\n", driver_name, buf);
   }
   
   #if DBG
   void os_check_stack(const char *location, int size){}
   
   void __os_dbgbreak(const char *file, int line)
   {
       printf("*** break at %s:%d ***", file, line);
       while (1);
   }
   
   int hpt_dbg_level = 1;
   #endif

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