Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / isdn / hardware / eicon / os_pri.c
diff --git a/kernel/drivers/isdn/hardware/eicon/os_pri.c b/kernel/drivers/isdn/hardware/eicon/os_pri.c
new file mode 100644 (file)
index 0000000..da4957a
--- /dev/null
@@ -0,0 +1,1052 @@
+/* $Id: os_pri.c,v 1.32 2004/03/21 17:26:01 armin Exp $ */
+
+#include "platform.h"
+#include "debuglib.h"
+#include "cardtype.h"
+#include "pc.h"
+#include "pr_pc.h"
+#include "di_defs.h"
+#include "dsp_defs.h"
+#include "di.h"
+#include "io.h"
+
+#include "xdi_msg.h"
+#include "xdi_adapter.h"
+#include "os_pri.h"
+#include "diva_pci.h"
+#include "mi_pc.h"
+#include "pc_maint.h"
+#include "dsp_tst.h"
+#include "diva_dma.h"
+#include "dsrv_pri.h"
+
+/* --------------------------------------------------------------------------
+   OS Dependent part of XDI driver for DIVA PRI Adapter
+
+   DSP detection/validation by Anthony Booth (Eicon Networks, www.eicon.com)
+   -------------------------------------------------------------------------- */
+
+#define DIVA_PRI_NO_PCI_BIOS_WORKAROUND 1
+
+extern int diva_card_read_xlog(diva_os_xdi_adapter_t *a);
+
+/*
+**  IMPORTS
+*/
+extern void prepare_pri_functions(PISDN_ADAPTER IoAdapter);
+extern void prepare_pri2_functions(PISDN_ADAPTER IoAdapter);
+extern void diva_xdi_display_adapter_features(int card);
+
+static int diva_pri_cleanup_adapter(diva_os_xdi_adapter_t *a);
+static int diva_pri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
+                                 diva_xdi_um_cfg_cmd_t *cmd, int length);
+static int pri_get_serial_number(diva_os_xdi_adapter_t *a);
+static int diva_pri_stop_adapter(diva_os_xdi_adapter_t *a);
+static dword diva_pri_detect_dsps(diva_os_xdi_adapter_t *a);
+
+/*
+**  Check card revision
+*/
+static int pri_is_rev_2_card(int card_ordinal)
+{
+       switch (card_ordinal) {
+       case CARDTYPE_DIVASRV_P_30M_V2_PCI:
+       case CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI:
+               return (1);
+       }
+       return (0);
+}
+
+static void diva_pri_set_addresses(diva_os_xdi_adapter_t *a)
+{
+       a->resources.pci.mem_type_id[MEM_TYPE_ADDRESS] = 0;
+       a->resources.pci.mem_type_id[MEM_TYPE_CONTROL] = 2;
+       a->resources.pci.mem_type_id[MEM_TYPE_CONFIG] = 4;
+       a->resources.pci.mem_type_id[MEM_TYPE_RAM] = 0;
+       a->resources.pci.mem_type_id[MEM_TYPE_RESET] = 2;
+       a->resources.pci.mem_type_id[MEM_TYPE_CFG] = 4;
+       a->resources.pci.mem_type_id[MEM_TYPE_PROM] = 3;
+
+       a->xdi_adapter.Address = a->resources.pci.addr[0];
+       a->xdi_adapter.Control = a->resources.pci.addr[2];
+       a->xdi_adapter.Config = a->resources.pci.addr[4];
+
+       a->xdi_adapter.ram = a->resources.pci.addr[0];
+       a->xdi_adapter.ram += MP_SHARED_RAM_OFFSET;
+
+       a->xdi_adapter.reset = a->resources.pci.addr[2];
+       a->xdi_adapter.reset += MP_RESET;
+
+       a->xdi_adapter.cfg = a->resources.pci.addr[4];
+       a->xdi_adapter.cfg += MP_IRQ_RESET;
+
+       a->xdi_adapter.sdram_bar = a->resources.pci.bar[0];
+
+       a->xdi_adapter.prom = a->resources.pci.addr[3];
+}
+
+/*
+**  BAR0 - SDRAM, MP_MEMORY_SIZE, MP2_MEMORY_SIZE by Rev.2
+**  BAR1 - DEVICES,                            0x1000
+**  BAR2 - CONTROL (REG), 0x2000
+**  BAR3 - FLASH (REG),                0x8000
+**  BAR4 - CONFIG (CFG),       0x1000
+*/
+int diva_pri_init_card(diva_os_xdi_adapter_t *a)
+{
+       int bar = 0;
+       int pri_rev_2;
+       unsigned long bar_length[5] = {
+               MP_MEMORY_SIZE,
+               0x1000,
+               0x2000,
+               0x8000,
+               0x1000
+       };
+
+       pri_rev_2 = pri_is_rev_2_card(a->CardOrdinal);
+
+       if (pri_rev_2) {
+               bar_length[0] = MP2_MEMORY_SIZE;
+       }
+       /*
+         Set properties
+       */
+       a->xdi_adapter.Properties = CardProperties[a->CardOrdinal];
+       DBG_LOG(("Load %s", a->xdi_adapter.Properties.Name))
+
+               /*
+                 First initialization step: get and check hardware resoures.
+                 Do not map resources and do not acecess card at this step
+               */
+               for (bar = 0; bar < 5; bar++) {
+                       a->resources.pci.bar[bar] =
+                               divasa_get_pci_bar(a->resources.pci.bus,
+                                                  a->resources.pci.func, bar,
+                                                  a->resources.pci.hdev);
+                       if (!a->resources.pci.bar[bar]
+                           || (a->resources.pci.bar[bar] == 0xFFFFFFF0)) {
+                               DBG_ERR(("A: invalid bar[%d]=%08x", bar,
+                                        a->resources.pci.bar[bar]))
+                                       return (-1);
+                       }
+               }
+       a->resources.pci.irq =
+               (byte) divasa_get_pci_irq(a->resources.pci.bus,
+                                         a->resources.pci.func,
+                                         a->resources.pci.hdev);
+       if (!a->resources.pci.irq) {
+               DBG_ERR(("A: invalid irq"));
+               return (-1);
+       }
+
+       /*
+         Map all BAR's
+       */
+       for (bar = 0; bar < 5; bar++) {
+               a->resources.pci.addr[bar] =
+                       divasa_remap_pci_bar(a, bar, a->resources.pci.bar[bar],
+                                            bar_length[bar]);
+               if (!a->resources.pci.addr[bar]) {
+                       DBG_ERR(("A: A(%d), can't map bar[%d]",
+                                a->controller, bar))
+                               diva_pri_cleanup_adapter(a);
+                       return (-1);
+               }
+       }
+
+       /*
+         Set all memory areas
+       */
+       diva_pri_set_addresses(a);
+
+       /*
+         Get Serial Number of this adapter
+       */
+       if (pri_get_serial_number(a)) {
+               dword serNo;
+               serNo = a->resources.pci.bar[1] & 0xffff0000;
+               serNo |= ((dword) a->resources.pci.bus) << 8;
+               serNo += (a->resources.pci.func + a->controller + 1);
+               a->xdi_adapter.serialNo = serNo & ~0xFF000000;
+               DBG_ERR(("A: A(%d) can't get Serial Number, generated serNo=%ld",
+                        a->controller, a->xdi_adapter.serialNo))
+                       }
+
+
+       /*
+         Initialize os objects
+       */
+       if (diva_os_initialize_spin_lock(&a->xdi_adapter.isr_spin_lock, "isr")) {
+               diva_pri_cleanup_adapter(a);
+               return (-1);
+       }
+       if (diva_os_initialize_spin_lock
+           (&a->xdi_adapter.data_spin_lock, "data")) {
+               diva_pri_cleanup_adapter(a);
+               return (-1);
+       }
+
+       strcpy(a->xdi_adapter.req_soft_isr.dpc_thread_name, "kdivasprid");
+
+       if (diva_os_initialize_soft_isr(&a->xdi_adapter.req_soft_isr,
+                                       DIDpcRoutine, &a->xdi_adapter)) {
+               diva_pri_cleanup_adapter(a);
+               return (-1);
+       }
+
+       /*
+         Do not initialize second DPC - only one thread will be created
+       */
+       a->xdi_adapter.isr_soft_isr.object =
+               a->xdi_adapter.req_soft_isr.object;
+
+       /*
+         Next step of card initialization:
+         set up all interface pointers
+       */
+       a->xdi_adapter.Channels = CardProperties[a->CardOrdinal].Channels;
+       a->xdi_adapter.e_max = CardProperties[a->CardOrdinal].E_info;
+
+       a->xdi_adapter.e_tbl =
+               diva_os_malloc(0, a->xdi_adapter.e_max * sizeof(E_INFO));
+       if (!a->xdi_adapter.e_tbl) {
+               diva_pri_cleanup_adapter(a);
+               return (-1);
+       }
+       memset(a->xdi_adapter.e_tbl, 0x00, a->xdi_adapter.e_max * sizeof(E_INFO));
+
+       a->xdi_adapter.a.io = &a->xdi_adapter;
+       a->xdi_adapter.DIRequest = request;
+       a->interface.cleanup_adapter_proc = diva_pri_cleanup_adapter;
+       a->interface.cmd_proc = diva_pri_cmd_card_proc;
+
+       if (pri_rev_2) {
+               prepare_pri2_functions(&a->xdi_adapter);
+       } else {
+               prepare_pri_functions(&a->xdi_adapter);
+       }
+
+       a->dsp_mask = diva_pri_detect_dsps(a);
+
+       /*
+         Allocate DMA map
+       */
+       if (pri_rev_2) {
+               diva_init_dma_map(a->resources.pci.hdev,
+                                 (struct _diva_dma_map_entry **) &a->xdi_adapter.dma_map, 32);
+       }
+
+       /*
+         Set IRQ handler
+       */
+       a->xdi_adapter.irq_info.irq_nr = a->resources.pci.irq;
+       sprintf(a->xdi_adapter.irq_info.irq_name,
+               "DIVA PRI %ld", (long) a->xdi_adapter.serialNo);
+
+       if (diva_os_register_irq(a, a->xdi_adapter.irq_info.irq_nr,
+                                a->xdi_adapter.irq_info.irq_name)) {
+               diva_pri_cleanup_adapter(a);
+               return (-1);
+       }
+       a->xdi_adapter.irq_info.registered = 1;
+
+       diva_log_info("%s IRQ:%d SerNo:%d", a->xdi_adapter.Properties.Name,
+                     a->resources.pci.irq, a->xdi_adapter.serialNo);
+
+       return (0);
+}
+
+static int diva_pri_cleanup_adapter(diva_os_xdi_adapter_t *a)
+{
+       int bar = 0;
+
+       /*
+         Stop Adapter if adapter is running
+       */
+       if (a->xdi_adapter.Initialized) {
+               diva_pri_stop_adapter(a);
+       }
+
+       /*
+         Remove ISR Handler
+       */
+       if (a->xdi_adapter.irq_info.registered) {
+               diva_os_remove_irq(a, a->xdi_adapter.irq_info.irq_nr);
+       }
+       a->xdi_adapter.irq_info.registered = 0;
+
+       /*
+         Step 1: unmap all BAR's, if any was mapped
+       */
+       for (bar = 0; bar < 5; bar++) {
+               if (a->resources.pci.bar[bar]
+                   && a->resources.pci.addr[bar]) {
+                       divasa_unmap_pci_bar(a->resources.pci.addr[bar]);
+                       a->resources.pci.bar[bar] = 0;
+                       a->resources.pci.addr[bar] = NULL;
+               }
+       }
+
+       /*
+         Free OS objects
+       */
+       diva_os_cancel_soft_isr(&a->xdi_adapter.isr_soft_isr);
+       diva_os_cancel_soft_isr(&a->xdi_adapter.req_soft_isr);
+
+       diva_os_remove_soft_isr(&a->xdi_adapter.req_soft_isr);
+       a->xdi_adapter.isr_soft_isr.object = NULL;
+
+       diva_os_destroy_spin_lock(&a->xdi_adapter.isr_spin_lock, "rm");
+       diva_os_destroy_spin_lock(&a->xdi_adapter.data_spin_lock, "rm");
+
+       /*
+         Free memory accupied by XDI adapter
+       */
+       if (a->xdi_adapter.e_tbl) {
+               diva_os_free(0, a->xdi_adapter.e_tbl);
+               a->xdi_adapter.e_tbl = NULL;
+       }
+       a->xdi_adapter.Channels = 0;
+       a->xdi_adapter.e_max = 0;
+
+
+       /*
+         Free adapter DMA map
+       */
+       diva_free_dma_map(a->resources.pci.hdev,
+                         (struct _diva_dma_map_entry *) a->xdi_adapter.
+                         dma_map);
+       a->xdi_adapter.dma_map = NULL;
+
+
+       /*
+         Detach this adapter from debug driver
+       */
+
+       return (0);
+}
+
+/*
+**  Activate On Board Boot Loader
+*/
+static int diva_pri_reset_adapter(PISDN_ADAPTER IoAdapter)
+{
+       dword i;
+       struct mp_load __iomem *boot;
+
+       if (!IoAdapter->Address || !IoAdapter->reset) {
+               return (-1);
+       }
+       if (IoAdapter->Initialized) {
+               DBG_ERR(("A: A(%d) can't reset PRI adapter - please stop first",
+                        IoAdapter->ANum))
+                       return (-1);
+       }
+
+       boot = (struct mp_load __iomem *) DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter);
+       WRITE_DWORD(&boot->err, 0);
+       DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
+
+       IoAdapter->rstFnc(IoAdapter);
+
+       diva_os_wait(10);
+
+       boot = (struct mp_load __iomem *) DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter);
+       i = READ_DWORD(&boot->live);
+
+       diva_os_wait(10);
+       if (i == READ_DWORD(&boot->live)) {
+               DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
+               DBG_ERR(("A: A(%d) CPU on PRI %ld is not alive!",
+                        IoAdapter->ANum, IoAdapter->serialNo))
+                       return (-1);
+       }
+       if (READ_DWORD(&boot->err)) {
+               DBG_ERR(("A: A(%d) PRI %ld Board Selftest failed, error=%08lx",
+                        IoAdapter->ANum, IoAdapter->serialNo,
+                        READ_DWORD(&boot->err)))
+                       DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
+               return (-1);
+       }
+       DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
+
+       /*
+         Forget all outstanding entities
+       */
+       IoAdapter->e_count = 0;
+       if (IoAdapter->e_tbl) {
+               memset(IoAdapter->e_tbl, 0x00,
+                      IoAdapter->e_max * sizeof(E_INFO));
+       }
+       IoAdapter->head = 0;
+       IoAdapter->tail = 0;
+       IoAdapter->assign = 0;
+       IoAdapter->trapped = 0;
+
+       memset(&IoAdapter->a.IdTable[0], 0x00,
+              sizeof(IoAdapter->a.IdTable));
+       memset(&IoAdapter->a.IdTypeTable[0], 0x00,
+              sizeof(IoAdapter->a.IdTypeTable));
+       memset(&IoAdapter->a.FlowControlIdTable[0], 0x00,
+              sizeof(IoAdapter->a.FlowControlIdTable));
+       memset(&IoAdapter->a.FlowControlSkipTable[0], 0x00,
+              sizeof(IoAdapter->a.FlowControlSkipTable));
+       memset(&IoAdapter->a.misc_flags_table[0], 0x00,
+              sizeof(IoAdapter->a.misc_flags_table));
+       memset(&IoAdapter->a.rx_stream[0], 0x00,
+              sizeof(IoAdapter->a.rx_stream));
+       memset(&IoAdapter->a.tx_stream[0], 0x00,
+              sizeof(IoAdapter->a.tx_stream));
+       memset(&IoAdapter->a.tx_pos[0], 0x00, sizeof(IoAdapter->a.tx_pos));
+       memset(&IoAdapter->a.rx_pos[0], 0x00, sizeof(IoAdapter->a.rx_pos));
+
+       return (0);
+}
+
+static int
+diva_pri_write_sdram_block(PISDN_ADAPTER IoAdapter,
+                          dword address,
+                          const byte *data, dword length, dword limit)
+{
+       byte __iomem *p = DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter);
+       byte __iomem *mem = p;
+
+       if (((address + length) >= limit) || !mem) {
+               DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, p);
+               DBG_ERR(("A: A(%d) write PRI address=0x%08lx",
+                        IoAdapter->ANum, address + length))
+                       return (-1);
+       }
+       mem += address;
+
+       /* memcpy_toio(), maybe? */
+       while (length--) {
+               WRITE_BYTE(mem++, *data++);
+       }
+
+       DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, p);
+       return (0);
+}
+
+static int
+diva_pri_start_adapter(PISDN_ADAPTER IoAdapter,
+                      dword start_address, dword features)
+{
+       dword i;
+       int started = 0;
+       byte __iomem *p;
+       struct mp_load __iomem *boot = (struct mp_load __iomem *) DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter);
+       ADAPTER *a = &IoAdapter->a;
+
+       if (IoAdapter->Initialized) {
+               DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
+               DBG_ERR(("A: A(%d) pri_start_adapter, adapter already running",
+                        IoAdapter->ANum))
+                       return (-1);
+       }
+       if (!boot) {
+               DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
+               DBG_ERR(("A: PRI %ld can't start, adapter not mapped",
+                        IoAdapter->serialNo))
+                       return (-1);
+       }
+
+       sprintf(IoAdapter->Name, "A(%d)", (int) IoAdapter->ANum);
+       DBG_LOG(("A(%d) start PRI at 0x%08lx", IoAdapter->ANum,
+                start_address))
+
+               WRITE_DWORD(&boot->addr, start_address);
+       WRITE_DWORD(&boot->cmd, 3);
+
+       for (i = 0; i < 300; ++i) {
+               diva_os_wait(10);
+               if ((READ_DWORD(&boot->signature) >> 16) == 0x4447) {
+                       DBG_LOG(("A(%d) Protocol startup time %d.%02d seconds",
+                                IoAdapter->ANum, (i / 100), (i % 100)))
+                               started = 1;
+                       break;
+               }
+       }
+
+       if (!started) {
+               byte __iomem *p = (byte __iomem *)boot;
+               dword TrapId;
+               dword debug;
+               TrapId = READ_DWORD(&p[0x80]);
+               debug = READ_DWORD(&p[0x1c]);
+               DBG_ERR(("A(%d) Adapter start failed 0x%08lx, TrapId=%08lx, debug=%08lx",
+                        IoAdapter->ANum, READ_DWORD(&boot->signature),
+                        TrapId, debug))
+                       DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
+               if (IoAdapter->trapFnc) {
+                       (*(IoAdapter->trapFnc)) (IoAdapter);
+               }
+               IoAdapter->stop(IoAdapter);
+               return (-1);
+       }
+       DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
+
+       IoAdapter->Initialized = true;
+
+       /*
+         Check Interrupt
+       */
+       IoAdapter->IrqCount = 0;
+       p = DIVA_OS_MEM_ATTACH_CFG(IoAdapter);
+       WRITE_DWORD(p, (dword)~0x03E00000);
+       DIVA_OS_MEM_DETACH_CFG(IoAdapter, p);
+       a->ReadyInt = 1;
+       a->ram_out(a, &PR_RAM->ReadyInt, 1);
+
+       for (i = 100; !IoAdapter->IrqCount && (i-- > 0); diva_os_wait(10));
+
+       if (!IoAdapter->IrqCount) {
+               DBG_ERR(("A: A(%d) interrupt test failed",
+                        IoAdapter->ANum))
+                       IoAdapter->Initialized = false;
+               IoAdapter->stop(IoAdapter);
+               return (-1);
+       }
+
+       IoAdapter->Properties.Features = (word) features;
+
+       diva_xdi_display_adapter_features(IoAdapter->ANum);
+
+       DBG_LOG(("A(%d) PRI adapter successfully started", IoAdapter->ANum))
+               /*
+                 Register with DIDD
+               */
+               diva_xdi_didd_register_adapter(IoAdapter->ANum);
+
+       return (0);
+}
+
+static void diva_pri_clear_interrupts(diva_os_xdi_adapter_t *a)
+{
+       PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
+
+       /*
+         clear any pending interrupt
+       */
+       IoAdapter->disIrq(IoAdapter);
+
+       IoAdapter->tst_irq(&IoAdapter->a);
+       IoAdapter->clr_irq(&IoAdapter->a);
+       IoAdapter->tst_irq(&IoAdapter->a);
+
+       /*
+         kill pending dpcs
+       */
+       diva_os_cancel_soft_isr(&IoAdapter->req_soft_isr);
+       diva_os_cancel_soft_isr(&IoAdapter->isr_soft_isr);
+}
+
+/*
+**  Stop Adapter, but do not unmap/unregister - adapter
+**  will be restarted later
+*/
+static int diva_pri_stop_adapter(diva_os_xdi_adapter_t *a)
+{
+       PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
+       int i = 100;
+
+       if (!IoAdapter->ram) {
+               return (-1);
+       }
+       if (!IoAdapter->Initialized) {
+               DBG_ERR(("A: A(%d) can't stop PRI adapter - not running",
+                        IoAdapter->ANum))
+                       return (-1);    /* nothing to stop */
+       }
+       IoAdapter->Initialized = 0;
+
+       /*
+         Disconnect Adapter from DIDD
+       */
+       diva_xdi_didd_remove_adapter(IoAdapter->ANum);
+
+       /*
+         Stop interrupts
+       */
+       a->clear_interrupts_proc = diva_pri_clear_interrupts;
+       IoAdapter->a.ReadyInt = 1;
+       IoAdapter->a.ram_inc(&IoAdapter->a, &PR_RAM->ReadyInt);
+       do {
+               diva_os_sleep(10);
+       } while (i-- && a->clear_interrupts_proc);
+
+       if (a->clear_interrupts_proc) {
+               diva_pri_clear_interrupts(a);
+               a->clear_interrupts_proc = NULL;
+               DBG_ERR(("A: A(%d) no final interrupt from PRI adapter",
+                        IoAdapter->ANum))
+                       }
+       IoAdapter->a.ReadyInt = 0;
+
+       /*
+         Stop and reset adapter
+       */
+       IoAdapter->stop(IoAdapter);
+
+       return (0);
+}
+
+/*
+**  Process commands form configuration/download framework and from
+**  user mode
+**
+**  return 0 on success
+*/
+static int
+diva_pri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
+                      diva_xdi_um_cfg_cmd_t *cmd, int length)
+{
+       int ret = -1;
+
+       if (cmd->adapter != a->controller) {
+               DBG_ERR(("A: pri_cmd, invalid controller=%d != %d",
+                        cmd->adapter, a->controller))
+                       return (-1);
+       }
+
+       switch (cmd->command) {
+       case DIVA_XDI_UM_CMD_GET_CARD_ORDINAL:
+               a->xdi_mbox.data_length = sizeof(dword);
+               a->xdi_mbox.data =
+                       diva_os_malloc(0, a->xdi_mbox.data_length);
+               if (a->xdi_mbox.data) {
+                       *(dword *) a->xdi_mbox.data =
+                               (dword) a->CardOrdinal;
+                       a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
+                       ret = 0;
+               }
+               break;
+
+       case DIVA_XDI_UM_CMD_GET_SERIAL_NR:
+               a->xdi_mbox.data_length = sizeof(dword);
+               a->xdi_mbox.data =
+                       diva_os_malloc(0, a->xdi_mbox.data_length);
+               if (a->xdi_mbox.data) {
+                       *(dword *) a->xdi_mbox.data =
+                               (dword) a->xdi_adapter.serialNo;
+                       a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
+                       ret = 0;
+               }
+               break;
+
+       case DIVA_XDI_UM_CMD_GET_PCI_HW_CONFIG:
+               a->xdi_mbox.data_length = sizeof(dword) * 9;
+               a->xdi_mbox.data =
+                       diva_os_malloc(0, a->xdi_mbox.data_length);
+               if (a->xdi_mbox.data) {
+                       int i;
+                       dword *data = (dword *) a->xdi_mbox.data;
+
+                       for (i = 0; i < 8; i++) {
+                               *data++ = a->resources.pci.bar[i];
+                       }
+                       *data++ = (dword) a->resources.pci.irq;
+                       a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
+                       ret = 0;
+               }
+               break;
+
+       case DIVA_XDI_UM_CMD_RESET_ADAPTER:
+               ret = diva_pri_reset_adapter(&a->xdi_adapter);
+               break;
+
+       case DIVA_XDI_UM_CMD_WRITE_SDRAM_BLOCK:
+               ret = diva_pri_write_sdram_block(&a->xdi_adapter,
+                                                cmd->command_data.
+                                                write_sdram.offset,
+                                                (byte *)&cmd[1],
+                                                cmd->command_data.
+                                                write_sdram.length,
+                                                pri_is_rev_2_card(a->
+                                                                  CardOrdinal)
+                                                ? MP2_MEMORY_SIZE :
+                                                MP_MEMORY_SIZE);
+               break;
+
+       case DIVA_XDI_UM_CMD_STOP_ADAPTER:
+               ret = diva_pri_stop_adapter(a);
+               break;
+
+       case DIVA_XDI_UM_CMD_START_ADAPTER:
+               ret = diva_pri_start_adapter(&a->xdi_adapter,
+                                            cmd->command_data.start.
+                                            offset,
+                                            cmd->command_data.start.
+                                            features);
+               break;
+
+       case DIVA_XDI_UM_CMD_SET_PROTOCOL_FEATURES:
+               a->xdi_adapter.features =
+                       cmd->command_data.features.features;
+               a->xdi_adapter.a.protocol_capabilities =
+                       a->xdi_adapter.features;
+               DBG_TRC(("Set raw protocol features (%08x)",
+                        a->xdi_adapter.features))
+                       ret = 0;
+               break;
+
+       case DIVA_XDI_UM_CMD_GET_CARD_STATE:
+               a->xdi_mbox.data_length = sizeof(dword);
+               a->xdi_mbox.data =
+                       diva_os_malloc(0, a->xdi_mbox.data_length);
+               if (a->xdi_mbox.data) {
+                       dword *data = (dword *) a->xdi_mbox.data;
+                       if (!a->xdi_adapter.ram ||
+                           !a->xdi_adapter.reset ||
+                           !a->xdi_adapter.cfg) {
+                               *data = 3;
+                       } else if (a->xdi_adapter.trapped) {
+                               *data = 2;
+                       } else if (a->xdi_adapter.Initialized) {
+                               *data = 1;
+                       } else {
+                               *data = 0;
+                       }
+                       a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
+                       ret = 0;
+               }
+               break;
+
+       case DIVA_XDI_UM_CMD_READ_XLOG_ENTRY:
+               ret = diva_card_read_xlog(a);
+               break;
+
+       case DIVA_XDI_UM_CMD_READ_SDRAM:
+               if (a->xdi_adapter.Address) {
+                       if (
+                               (a->xdi_mbox.data_length =
+                                cmd->command_data.read_sdram.length)) {
+                               if (
+                                       (a->xdi_mbox.data_length +
+                                        cmd->command_data.read_sdram.offset) <
+                                       a->xdi_adapter.MemorySize) {
+                                       a->xdi_mbox.data =
+                                               diva_os_malloc(0,
+                                                              a->xdi_mbox.
+                                                              data_length);
+                                       if (a->xdi_mbox.data) {
+                                               byte __iomem *p = DIVA_OS_MEM_ATTACH_ADDRESS(&a->xdi_adapter);
+                                               byte __iomem *src = p;
+                                               byte *dst = a->xdi_mbox.data;
+                                               dword len = a->xdi_mbox.data_length;
+
+                                               src += cmd->command_data.read_sdram.offset;
+
+                                               while (len--) {
+                                                       *dst++ = READ_BYTE(src++);
+                                               }
+                                               a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
+                                               DIVA_OS_MEM_DETACH_ADDRESS(&a->xdi_adapter, p);
+                                               ret = 0;
+                                       }
+                               }
+                       }
+               }
+               break;
+
+       default:
+               DBG_ERR(("A: A(%d) invalid cmd=%d", a->controller,
+                        cmd->command))
+                       }
+
+       return (ret);
+}
+
+/*
+**  Get Serial Number
+*/
+static int pri_get_serial_number(diva_os_xdi_adapter_t *a)
+{
+       byte data[64];
+       int i;
+       dword len = sizeof(data);
+       volatile byte __iomem *config;
+       volatile byte __iomem *flash;
+       byte c;
+
+/*
+ *  First set some GT6401x config registers before accessing the BOOT-ROM
+ */
+       config = DIVA_OS_MEM_ATTACH_CONFIG(&a->xdi_adapter);
+       c = READ_BYTE(&config[0xc3c]);
+       if (!(c & 0x08)) {
+               WRITE_BYTE(&config[0xc3c], c);  /* Base Address enable register */
+       }
+       WRITE_BYTE(&config[LOW_BOOTCS_DREG], 0x00);
+       WRITE_BYTE(&config[HI_BOOTCS_DREG], 0xFF);
+       DIVA_OS_MEM_DETACH_CONFIG(&a->xdi_adapter, config);
+/*
+ *  Read only the last 64 bytes of manufacturing data
+ */
+       memset(data, '\0', len);
+       flash = DIVA_OS_MEM_ATTACH_PROM(&a->xdi_adapter);
+       for (i = 0; i < len; i++) {
+               data[i] = READ_BYTE(&flash[0x8000 - len + i]);
+       }
+       DIVA_OS_MEM_DETACH_PROM(&a->xdi_adapter, flash);
+
+       config = DIVA_OS_MEM_ATTACH_CONFIG(&a->xdi_adapter);
+       WRITE_BYTE(&config[LOW_BOOTCS_DREG], 0xFC);     /* Disable FLASH EPROM access */
+       WRITE_BYTE(&config[HI_BOOTCS_DREG], 0xFF);
+       DIVA_OS_MEM_DETACH_CONFIG(&a->xdi_adapter, config);
+
+       if (memcmp(&data[48], "DIVAserverPR", 12)) {
+#if !defined(DIVA_PRI_NO_PCI_BIOS_WORKAROUND)  /* { */
+               word cmd = 0, cmd_org;
+               void *addr;
+               dword addr1, addr3, addr4;
+               byte Bus, Slot;
+               void *hdev;
+               addr4 = a->resources.pci.bar[4];
+               addr3 = a->resources.pci.bar[3];        /* flash  */
+               addr1 = a->resources.pci.bar[1];        /* unused */
+
+               DBG_ERR(("A: apply Compaq BIOS workaround"))
+                       DBG_LOG(("%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
+                                data[0], data[1], data[2], data[3],
+                                data[4], data[5], data[6], data[7]))
+
+                       Bus = a->resources.pci.bus;
+               Slot = a->resources.pci.func;
+               hdev = a->resources.pci.hdev;
+               PCIread(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
+               PCIwrite(Bus, Slot, 0x04, &cmd, sizeof(cmd), hdev);
+
+               PCIwrite(Bus, Slot, 0x14, &addr4, sizeof(addr4), hdev);
+               PCIwrite(Bus, Slot, 0x20, &addr1, sizeof(addr1), hdev);
+
+               PCIwrite(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
+
+               addr = a->resources.pci.addr[1];
+               a->resources.pci.addr[1] = a->resources.pci.addr[4];
+               a->resources.pci.addr[4] = addr;
+
+               addr1 = a->resources.pci.bar[1];
+               a->resources.pci.bar[1] = a->resources.pci.bar[4];
+               a->resources.pci.bar[4] = addr1;
+
+               /*
+                 Try to read Flash again
+               */
+               len = sizeof(data);
+
+               config = DIVA_OS_MEM_ATTACH_CONFIG(&a->xdi_adapter);
+               if (!(config[0xc3c] & 0x08)) {
+                       config[0xc3c] |= 0x08;  /* Base Address enable register */
+               }
+               config[LOW_BOOTCS_DREG] = 0x00;
+               config[HI_BOOTCS_DREG] = 0xFF;
+               DIVA_OS_MEM_DETACH_CONFIG(&a->xdi_adapter, config);
+
+               memset(data, '\0', len);
+               flash = DIVA_OS_MEM_ATTACH_PROM(&a->xdi_adapter);
+               for (i = 0; i < len; i++) {
+                       data[i] = flash[0x8000 - len + i];
+               }
+               DIVA_OS_MEM_ATTACH_PROM(&a->xdi_adapter, flash);
+               config = DIVA_OS_MEM_ATTACH_CONFIG(&a->xdi_adapter);
+               config[LOW_BOOTCS_DREG] = 0xFC;
+               config[HI_BOOTCS_DREG] = 0xFF;
+               DIVA_OS_MEM_DETACH_CONFIG(&a->xdi_adapter, config);
+
+               if (memcmp(&data[48], "DIVAserverPR", 12)) {
+                       DBG_ERR(("A: failed to read serial number"))
+                               DBG_LOG(("%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
+                                        data[0], data[1], data[2], data[3],
+                                        data[4], data[5], data[6], data[7]))
+                               return (-1);
+               }
+#else                          /* } { */
+               DBG_ERR(("A: failed to read DIVA signature word"))
+                       DBG_LOG(("%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
+                                data[0], data[1], data[2], data[3],
+                                data[4], data[5], data[6], data[7]))
+                       DBG_LOG(("%02x:%02x:%02x:%02x", data[47], data[46],
+                                data[45], data[44]))
+#endif                         /* } */
+                       }
+
+       a->xdi_adapter.serialNo =
+               (data[47] << 24) | (data[46] << 16) | (data[45] << 8) |
+               data[44];
+       if (!a->xdi_adapter.serialNo
+           || (a->xdi_adapter.serialNo == 0xffffffff)) {
+               a->xdi_adapter.serialNo = 0;
+               DBG_ERR(("A: failed to read serial number"))
+                       return (-1);
+       }
+
+       DBG_LOG(("Serial No.          : %ld", a->xdi_adapter.serialNo))
+               DBG_TRC(("Board Revision      : %d.%02d", (int) data[41],
+                        (int) data[40]))
+               DBG_TRC(("PLD revision        : %d.%02d", (int) data[33],
+                        (int) data[32]))
+               DBG_TRC(("Boot loader version : %d.%02d", (int) data[37],
+                        (int) data[36]))
+
+               DBG_TRC(("Manufacturing Date  : %d/%02d/%02d  (yyyy/mm/dd)",
+                        (int) ((data[28] > 90) ? 1900 : 2000) +
+                        (int) data[28], (int) data[29], (int) data[30]))
+
+               return (0);
+}
+
+void diva_os_prepare_pri2_functions(PISDN_ADAPTER IoAdapter)
+{
+}
+
+void diva_os_prepare_pri_functions(PISDN_ADAPTER IoAdapter)
+{
+}
+
+/*
+**  Checks presence of DSP on board
+*/
+static int
+dsp_check_presence(volatile byte __iomem *addr, volatile byte __iomem *data, int dsp)
+{
+       word pattern;
+
+       WRITE_WORD(addr, 0x4000);
+       WRITE_WORD(data, DSP_SIGNATURE_PROBE_WORD);
+
+       WRITE_WORD(addr, 0x4000);
+       pattern = READ_WORD(data);
+
+       if (pattern != DSP_SIGNATURE_PROBE_WORD) {
+               DBG_TRC(("W: DSP[%d] %04x(is) != %04x(should)",
+                        dsp, pattern, DSP_SIGNATURE_PROBE_WORD))
+                       return (-1);
+       }
+
+       WRITE_WORD(addr, 0x4000);
+       WRITE_WORD(data, ~DSP_SIGNATURE_PROBE_WORD);
+
+       WRITE_WORD(addr, 0x4000);
+       pattern = READ_WORD(data);
+
+       if (pattern != (word)~DSP_SIGNATURE_PROBE_WORD) {
+               DBG_ERR(("A: DSP[%d] %04x(is) != %04x(should)",
+                        dsp, pattern, (word)~DSP_SIGNATURE_PROBE_WORD))
+                       return (-2);
+       }
+
+       DBG_TRC(("DSP[%d] present", dsp))
+
+               return (0);
+}
+
+
+/*
+**  Check if DSP's are present and operating
+**  Information about detected DSP's is returned as bit mask
+**  Bit 0  - DSP1
+**  ...
+**  ...
+**  ...
+**  Bit 29 - DSP30
+*/
+static dword diva_pri_detect_dsps(diva_os_xdi_adapter_t *a)
+{
+       byte __iomem *base;
+       byte __iomem *p;
+       dword ret = 0;
+       dword row_offset[7] = {
+               0x00000000,
+               0x00000800,     /* 1 - ROW 1 */
+               0x00000840,     /* 2 - ROW 2 */
+               0x00001000,     /* 3 - ROW 3 */
+               0x00001040,     /* 4 - ROW 4 */
+               0x00000000      /* 5 - ROW 0 */
+       };
+
+       byte __iomem *dsp_addr_port;
+       byte __iomem *dsp_data_port;
+       byte row_state;
+       int dsp_row = 0, dsp_index, dsp_num;
+
+       if (!a->xdi_adapter.Control || !a->xdi_adapter.reset) {
+               return (0);
+       }
+
+       p = DIVA_OS_MEM_ATTACH_RESET(&a->xdi_adapter);
+       WRITE_BYTE(p, _MP_RISC_RESET | _MP_DSP_RESET);
+       DIVA_OS_MEM_DETACH_RESET(&a->xdi_adapter, p);
+       diva_os_wait(5);
+
+       base = DIVA_OS_MEM_ATTACH_CONTROL(&a->xdi_adapter);
+
+       for (dsp_num = 0; dsp_num < 30; dsp_num++) {
+               dsp_row = dsp_num / 7 + 1;
+               dsp_index = dsp_num % 7;
+
+               dsp_data_port = base;
+               dsp_addr_port = base;
+
+               dsp_data_port += row_offset[dsp_row];
+               dsp_addr_port += row_offset[dsp_row];
+
+               dsp_data_port += (dsp_index * 8);
+               dsp_addr_port += (dsp_index * 8) + 0x80;
+
+               if (!dsp_check_presence
+                   (dsp_addr_port, dsp_data_port, dsp_num + 1)) {
+                       ret |= (1 << dsp_num);
+               }
+       }
+       DIVA_OS_MEM_DETACH_CONTROL(&a->xdi_adapter, base);
+
+       p = DIVA_OS_MEM_ATTACH_RESET(&a->xdi_adapter);
+       WRITE_BYTE(p, _MP_RISC_RESET | _MP_LED1 | _MP_LED2);
+       DIVA_OS_MEM_DETACH_RESET(&a->xdi_adapter, p);
+       diva_os_wait(5);
+
+       /*
+         Verify modules
+       */
+       for (dsp_row = 0; dsp_row < 4; dsp_row++) {
+               row_state = ((ret >> (dsp_row * 7)) & 0x7F);
+               if (row_state && (row_state != 0x7F)) {
+                       for (dsp_index = 0; dsp_index < 7; dsp_index++) {
+                               if (!(row_state & (1 << dsp_index))) {
+                                       DBG_ERR(("A: MODULE[%d]-DSP[%d] failed",
+                                                dsp_row + 1,
+                                                dsp_index + 1))
+                                               }
+                       }
+               }
+       }
+
+       if (!(ret & 0x10000000)) {
+               DBG_ERR(("A: ON BOARD-DSP[1] failed"))
+                       }
+       if (!(ret & 0x20000000)) {
+               DBG_ERR(("A: ON BOARD-DSP[2] failed"))
+                       }
+
+       /*
+         Print module population now
+       */
+       DBG_LOG(("+-----------------------+"))
+               DBG_LOG(("| DSP MODULE POPULATION |"))
+               DBG_LOG(("+-----------------------+"))
+               DBG_LOG(("|  1  |  2  |  3  |  4  |"))
+               DBG_LOG(("+-----------------------+"))
+               DBG_LOG(("|  %s  |  %s  |  %s  |  %s  |",
+                        ((ret >> (0 * 7)) & 0x7F) ? "Y" : "N",
+                        ((ret >> (1 * 7)) & 0x7F) ? "Y" : "N",
+                        ((ret >> (2 * 7)) & 0x7F) ? "Y" : "N",
+                        ((ret >> (3 * 7)) & 0x7F) ? "Y" : "N"))
+               DBG_LOG(("+-----------------------+"))
+
+               DBG_LOG(("DSP's(present-absent):%08x-%08x", ret,
+                        ~ret & 0x3fffffff))
+
+               return (ret);
+}