lincfg.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:10k
- /*
- * Copyright (C) Eicon Technology Corporation, 2000.
- *
- * Eicon File Revision : 1.9
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
- #include <linux/fs.h>
- #undef N_DATA /* Because we have our own definition */
- #include <asm/segment.h>
- #include <asm/io.h>
- #include "sys.h"
- #include "idi.h"
- #include "constant.h"
- #include "divas.h"
- #undef ID_MASK
- #include "pc.h"
- #include "pr_pc.h"
- #include "adapter.h"
- #include "uxio.h"
- #include <linux/pci.h>
- #include <linux/kernel.h>
- #include <linux/ioport.h>
- struct file_operations Divas_fops;
- int Divas_major;
- extern int do_ioctl(struct inode *pDivasInode, struct file *pDivasFile,
- unsigned int command, unsigned long arg);
- extern unsigned int do_poll(struct file *pFile, struct poll_table_struct *pPollTable);
- extern ssize_t do_read(struct file *pFile, char *pUserBuffer, size_t BufferSize, loff_t *pOffset);
- extern int do_open(struct inode *, struct file *);
- extern int do_release(struct inode *, struct file *);
- int FPGA_Done=0;
- int DivasCardsDiscover(void)
- {
- word wNumCards = 0, wDeviceIndex = 0;
- byte byBus, byFunc;
- word wPCIConsultation, PCItmp;
- dword j, i;
- unsigned int PCIserial;
- dia_card_t Card;
- byte *b;
-
- while (wDeviceIndex < 10)
- {
- wPCIConsultation = pcibios_find_device(PCI_VENDOR_ID_EICON,
- PCI_DEVICE_ID_EICON_MAESTRAQ,
- wDeviceIndex,
- &byBus, &byFunc);
- if (wPCIConsultation == PCIBIOS_SUCCESSFUL)
- {
- dword dwRAM, dwDivasIOBase, dwCFG, dwCTL;
- byte byIRQ;
-
- printk(KERN_DEBUG "Divas: DIVA Server 4BRI Foundn");
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_2,(unsigned int *) &dwRAM);
- dwRAM &= 0xFFC00000;
-
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_1,(unsigned int *) &dwDivasIOBase);
- dwDivasIOBase &= 0xFFFFFF00;
-
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_0,(unsigned int *) &dwCFG);
- dwCFG &= 0xFFFFFF00;
-
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_3,(unsigned int *) &dwCTL);
- dwCTL &= 0xFFFFE000;
-
- pcibios_read_config_byte(byBus, byFunc, PCI_INTERRUPT_LINE, &byIRQ);
- /* Retrieve the serial number */
- pcibios_write_config_word(byBus,byFunc,0x4E,0x00FC);
- for (j=0, PCItmp=0; j<10000 && !PCItmp; j++)
- {
- pcibios_read_config_word(byBus,byFunc,0x4E, &PCItmp);
- PCItmp &= 0x8000; // extract done flag
- }
- pcibios_read_config_dword(byBus,byFunc,0x50, &PCIserial);
-
- Card.memory[DIVAS_RAM_MEMORY] = ioremap(dwRAM, 0x400000);
- Card.memory[DIVAS_CTL_MEMORY] = ioremap(dwCTL, 0x2000);
- Card.memory[DIVAS_CFG_MEMORY] = ioremap(dwCFG, 0x100);
- Card.io_base=dwDivasIOBase;
- Card.irq = byIRQ;
-
- Card.card_type = DIA_CARD_TYPE_DIVA_SERVER_Q;
- Card.bus_type = DIA_BUS_TYPE_PCI;
-
- FPGA_Done = 0;
- /* Create four virtual card structures as we want to treat
- the 4Bri card as 4 Bri cards*/
- for(i=0;i<4;i++)
- {
- b=Card.memory[DIVAS_RAM_MEMORY];
- b+=(MQ_PROTCODE_OFFSET) * (i==0?0:1);
- DPRINTF(("divas: offset = 0x%x", i* MQ_PROTCODE_OFFSET));
- Card.memory[DIVAS_RAM_MEMORY]=b;
-
- b = Card.memory[DIVAS_RAM_MEMORY];
- b += MQ_SM_OFFSET;
- Card.memory[DIVAS_SHARED_MEMORY] = b;
- Card.bus_num = byBus;
- Card.func_num = byFunc;
- Card.slot = -1;
-
- /* Fill in Name */
- Card.name[0] = 'D';
- Card.name[1] = 'I';
- Card.name[2] = 'V';
- Card.name[3] = 'A';
- Card.name[4] = 'S';
- Card.name[5] = 'Q';
- Card.name[6] = '0' + i;
- Card.name[7] = ' ';
- Card.serial = PCIserial;
- Card.card_id = wNumCards;
- if (DivasCardNew(&Card) != 0)
- {
- // Force for loop to terminate
- i = 4;
- continue;
- }
- wNumCards++;
- }//for
- }
- wDeviceIndex++;
- }
- wDeviceIndex = 0;
- while (wDeviceIndex < 10)
- {
- wPCIConsultation = pcibios_find_device(PCI_VENDOR_ID_EICON,
- PCI_DEVICE_ID_EICON_MAESTRA,
- wDeviceIndex,
- &byBus, &byFunc);
- if (wPCIConsultation == PCIBIOS_SUCCESSFUL)
- {
- dword dwPLXIOBase, dwDivasIOBase;
- byte byIRQ;
- printk(KERN_DEBUG "Divas: DIVA Server BRI (S/T) Foundn");
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_1, (unsigned int *) &dwPLXIOBase);
- dwPLXIOBase &= 0xFFFFFF80;
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_2, (unsigned int *) &dwDivasIOBase);
- dwDivasIOBase &= 0xFFFFFFFC;
- pcibios_read_config_byte(byBus, byFunc, PCI_INTERRUPT_LINE, &byIRQ);
- Card.card_id = wNumCards;
- Card.card_type = DIA_CARD_TYPE_DIVA_SERVER_B;
- Card.bus_type = DIA_BUS_TYPE_PCI;
- Card.irq = byIRQ;
- Card.reset_base = dwPLXIOBase;
- Card.io_base = dwDivasIOBase;
- Card.bus_num = byBus;
- Card.func_num = byFunc;
- Card.slot = -1;
- Card.name[0] = 'D';
- Card.name[1] = 'I';
- Card.name[2] = 'V';
- Card.name[3] = 'A';
- Card.name[4] = 'S';
- Card.name[5] = 'B';
- Card.name[6] = ' ';
- if (check_region(Card.io_base, 0x20))
- {
- printk(KERN_WARNING "Divas: DIVA I/O Base already in use 0x%x-0x%xn", Card.io_base, Card.io_base + 0x1F);
- wDeviceIndex++;
- continue;
- }
- if (check_region(Card.reset_base, 0x80))
- {
- printk(KERN_WARNING "Divas: PLX I/O Base already in use 0x%x-0x%xn", Card.reset_base, Card.reset_base + 0x7F);
- wDeviceIndex++;
- continue;
- }
- if (DivasCardNew(&Card) != 0)
- {
- wDeviceIndex++;
- continue;
- }
- wNumCards++;
- }
- wPCIConsultation = pcibios_find_device(PCI_VENDOR_ID_EICON,
- PCI_DEVICE_ID_EICON_MAESTRAQ_U,
- wDeviceIndex,
- &byBus, &byFunc);
- if (wPCIConsultation == PCIBIOS_SUCCESSFUL)
- {
- dword dwPLXIOBase, dwDivasIOBase;
- byte byIRQ;
- printk(KERN_DEBUG "Divas: DIVA Server BRI (U) Foundn");
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_1, (unsigned int *) &dwPLXIOBase);
- dwPLXIOBase &= 0xFFFFFF80;
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_2, (unsigned int *) &dwDivasIOBase);
- dwDivasIOBase &= 0xFFFFFFFC;
- pcibios_read_config_byte(byBus, byFunc, PCI_INTERRUPT_LINE, &byIRQ);
- Card.card_id = wNumCards;
- Card.card_type = DIA_CARD_TYPE_DIVA_SERVER_B;
- Card.bus_type = DIA_BUS_TYPE_PCI;
- Card.irq = byIRQ;
- Card.reset_base = dwPLXIOBase;
- Card.io_base = dwDivasIOBase;
- Card.bus_num = byBus;
- Card.func_num = byFunc;
- Card.slot = -1;
- Card.name[0] = 'D';
- Card.name[1] = 'I';
- Card.name[2] = 'V';
- Card.name[3] = 'A';
- Card.name[4] = 'S';
- Card.name[5] = 'B';
- Card.name[6] = ' ';
- if (check_region(Card.io_base, 0x20))
- {
- printk(KERN_WARNING "Divas: DIVA I/O Base already in use 0x%x-0x%xn", Card.io_base, Card.io_base + 0x1F);
- wDeviceIndex++;
- continue;
- }
- if (check_region(Card.reset_base, 0x80))
- {
- printk(KERN_WARNING "Divas: PLX I/O Base already in use 0x%x-0x%xn", Card.reset_base, Card.reset_base + 0x7F);
- wDeviceIndex++;
- continue;
- }
- if (DivasCardNew(&Card) != 0)
- {
- wDeviceIndex++;
- continue;
- }
- wNumCards++;
- }
- wDeviceIndex++;
- }
- wDeviceIndex = 0;
- while (wDeviceIndex < 10)
- {
- wPCIConsultation = pcibios_find_device(PCI_VENDOR_ID_EICON,
- PCI_DEVICE_ID_EICON_MAESTRAP,
- wDeviceIndex,
- &byBus, &byFunc);
- if (wPCIConsultation == PCIBIOS_SUCCESSFUL)
- {
- dword dwRAM, dwREG, dwCFG;
- byte byIRQ;
- printk(KERN_DEBUG "Divas: DIVA Server PRI Foundn");
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_0, (unsigned int *) &dwRAM);
- dwRAM &= 0xFFFFF000;
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_2, (unsigned int *) &dwREG);
- dwREG &= 0xFFFFF000;
-
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_4, (unsigned int *) &dwCFG);
- dwCFG &= 0xFFFFF000;
- pcibios_read_config_byte(byBus, byFunc, PCI_INTERRUPT_LINE, &byIRQ);
- Card.memory[DIVAS_RAM_MEMORY] = ioremap(dwRAM, 0x10000);
- Card.memory[DIVAS_REG_MEMORY] = ioremap(dwREG, 0x4000);
- Card.memory[DIVAS_CFG_MEMORY] = ioremap(dwCFG, 0x1000);
- Card.memory[DIVAS_SHARED_MEMORY] = Card.memory[DIVAS_RAM_MEMORY] + DIVAS_SHARED_OFFSET;
- /* pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_1, (unsigned int *) &dwPLXIOBase);
- dwPLXIOBase &= 0xFFFFFFFc;
- pcibios_read_config_dword(byBus, byFunc, PCI_BASE_ADDRESS_2, (unsigned int *) &dwDivasIOBase);
- dwDivasIOBase &= 0xFFFFFF80;
- pcibios_read_config_byte(byBus, byFunc, PCI_INTERRUPT_LINE, &byIRQ);
- */
- Card.card_id = wNumCards;
- Card.card_type = DIA_CARD_TYPE_DIVA_SERVER;
- Card.bus_type = DIA_BUS_TYPE_PCI;
- Card.irq = byIRQ;
- /* Card.reset_base = dwPLXIOBase;
- Card.io_base = dwDivasIOBase;*/
- Card.bus_num = byBus;
- Card.func_num = byFunc;
- Card.slot = -1;
- Card.name[0] = 'D';
- Card.name[1] = 'I';
- Card.name[2] = 'V';
- Card.name[3] = 'A';
- Card.name[4] = 'S';
- Card.name[5] = 'P';
- Card.name[6] = ' ';
- if (DivasCardNew(&Card) != 0)
- {
- wDeviceIndex++;
- continue;
- }
- wNumCards++;
- }
- wDeviceIndex++;
- }
- printk(KERN_INFO "Divas: %d cards detectedn", wNumCards);
- if(wNumCards == 0)
- {
- return -1;
- }
- Divas_fops.ioctl = do_ioctl;
- Divas_fops.poll = do_poll;
- Divas_fops.read = do_read;
- Divas_fops.open = do_open;
- Divas_fops.release = do_release;
- Divas_major = register_chrdev(0, "Divas", &Divas_fops);
- if (Divas_major < 0)
- {
- printk(KERN_WARNING "Divas: Unable to register character drivern");
- return -1;
- }
- return 0;
- }
- /* Error return -1 */
- int DivasConfigGet(dia_card_t *card)
- {
- /* Retrieve Config from O/S? Not in Linux */
- return 0;
- }
- dia_config_t *DivasConfig(card_t *card, dia_config_t *config)
- {
- /* If config retrieved from OS then copy the data into a dia_config_t structure here
- and return the pointer here. If the config 'came from above' then just
- return config;
- */
- return config;
- }