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See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * $Log: eicon_pci.c,v $ * Revision 1.10 1999/08/22 20:26:49 calle * backported changes from kernel 2.3.14: * - several #include "config.h" gone, others come. * - "struct device" changed to "struct net_device" in 2.3.14, added a * define in isdn_compat.h for older kernel versions. * * Revision 1.9 1999/08/11 21:01:11 keil * new PCI codefix * * Revision 1.8 1999/08/10 16:02:20 calle * struct pci_dev changed in 2.3.13. Made the necessary changes. * * Revision 1.7 1999/06/09 19:31:29 armin * Wrong PLX size for request_region() corrected. * Added first MCA code from Erik Weber. * * Revision 1.6 1999/04/01 12:48:37 armin * Changed some log outputs. * * Revision 1.5 1999/03/29 11:19:49 armin * I/O stuff now in seperate file (eicon_io.c) * Old ISA type cards (S,SX,SCOM,Quadro,S2M) implemented. * * Revision 1.4 1999/03/02 12:37:48 armin * Added some important checks. * Analog Modem with DSP. * Channels will be added to Link-Level after loading firmware. * * Revision 1.3 1999/01/24 20:14:24 armin * Changed and added debug stuff. * Better data sending. (still problems with tty's flip buffer) * * Revision 1.2 1999/01/10 18:46:06 armin * Bug with wrong values in HLC fixed. * Bytes to send are counted and limited now. * * Revision 1.1 1999/01/01 18:09:45 armin * First checkin of new eicon driver. * DIVA-Server BRI/PCI and PRI/PCI are supported. * Old diehl code is obsolete. * * */ #include <linux/config.h> #include <linux/pci.h> #include "eicon.h" #include "eicon_pci.h" char *eicon_pci_revision = "$Revision: 1.10 $"; #if CONFIG_PCI /* intire stuff is only for PCI */ #undef EICON_PCI_DEBUG int eicon_pci_find_card(char *ID) { if (pci_present()) { struct pci_dev *pdev = NULL; int pci_nextindex=0, pci_cards=0, pci_akt=0; int pci_type = PCI_MAESTRA; int NoMorePCICards = FALSE; char *ram, *reg, *cfg; unsigned int pram=0, preg=0, pcfg=0; char did[12]; eicon_pci_card *aparms; if (!(aparms = (eicon_pci_card *) kmalloc(sizeof(eicon_pci_card), GFP_KERNEL))) { printk(KERN_WARNING "eicon_pci: Could not allocate card-struct.\n"); return 0; } for (pci_cards = 0; pci_cards < 0x0f; pci_cards++) { do { if ((pdev = pci_find_device(PCI_VENDOR_EICON, pci_type, pdev))) { pci_nextindex++; break; } else { pci_nextindex = 0; switch (pci_type) /* switch to next card type */ { case PCI_MAESTRA: pci_type = PCI_MAESTRAQ; break; case PCI_MAESTRAQ: pci_type = PCI_MAESTRAQ_U; break; case PCI_MAESTRAQ_U: pci_type = PCI_MAESTRAP; break; default: case PCI_MAESTRAP: NoMorePCICards = TRUE; } } } while (!NoMorePCICards); if (NoMorePCICards) { if (pci_cards < 1) { printk(KERN_INFO "Eicon: No supported PCI cards found.\n"); kfree(aparms); return 0; } else { printk(KERN_INFO "Eicon: %d PCI card%s registered.\n", pci_cards, (pci_cards > 1) ? "s":""); kfree(aparms); return (pci_cards); } } pci_akt = 0; switch(pci_type) { case PCI_MAESTRA: printk(KERN_INFO "Eicon: DIVA Server BRI/PCI detected !\n"); aparms->type = EICON_CTYPE_MAESTRA; aparms->irq = pdev->irq; preg = pdev->resource[ 2].start & 0xfffffffc; pcfg = pdev->resource[ 1].start & 0xffffff80; #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: irq=%d\n", aparms->irq); printk(KERN_DEBUG "eicon_pci: reg=0x%x\n", preg); printk(KERN_DEBUG "eicon_pci: cfg=0x%x\n", pcfg); #endif pci_akt = 1; break; case PCI_MAESTRAQ: case PCI_MAESTRAQ_U: printk(KERN_ERR "Eicon: DIVA Server 4BRI/PCI detected but not supported !\n"); pci_cards--; pci_akt = 0; break; case PCI_MAESTRAP: printk(KERN_INFO "Eicon: DIVA Server PRI/PCI detected !\n"); aparms->type = EICON_CTYPE_MAESTRAP; /*includes 9M,30M*/ aparms->irq = pdev->irq; pram = pdev->resource[ 0].start & 0xfffff000; preg = pdev->resource[ 2].start & 0xfffff000; pcfg = pdev->resource[ 4].start & 0xfffff000; #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: irq=%d\n", aparms->irq); printk(KERN_DEBUG "eicon_pci: ram=0x%x\n", (pram)); printk(KERN_DEBUG "eicon_pci: reg=0x%x\n", (preg)); printk(KERN_DEBUG "eicon_pci: cfg=0x%x\n", (pcfg)); #endif pci_akt = 1; break; default: printk(KERN_ERR "eicon_pci: Unknown PCI card detected !\n"); pci_cards--; pci_akt = 0; break; } if (pci_akt) { /* remapping memory */ switch(pci_type) { case PCI_MAESTRA: aparms->PCIreg = (unsigned int) preg; aparms->PCIcfg = (unsigned int) pcfg; if (check_region((aparms->PCIreg), 0x20)) { printk(KERN_WARNING "eicon_pci: reg port already in use !\n"); aparms->PCIreg = 0; break; } else { request_region(aparms->PCIreg, 0x20, "eicon reg"); } if (check_region((aparms->PCIcfg), 0x80)) { printk(KERN_WARNING "eicon_pci: cfg port already in use !\n"); aparms->PCIcfg = 0; release_region(aparms->PCIreg, 0x20); break; } else { request_region(aparms->PCIcfg, 0x80, "eicon cfg"); } break; case PCI_MAESTRAQ: case PCI_MAESTRAQ_U: case PCI_MAESTRAP: aparms->shmem = (eicon_pci_shmem *) ioremap(pram, 0x10000); ram = (u8 *) ((u32)aparms->shmem + MP_SHARED_RAM_OFFSET); reg = ioremap(preg, 0x4000); cfg = ioremap(pcfg, 0x1000); aparms->PCIram = (unsigned int) ram; aparms->PCIreg = (unsigned int) reg; aparms->PCIcfg = (unsigned int) cfg; break; } if ((!aparms->PCIreg) || (!aparms->PCIcfg)) { printk(KERN_ERR "eicon_pci: Card could not be added !\n"); pci_cards--; } else { aparms->mvalid = 1; sprintf(did, "%s%d", (strlen(ID) < 1) ? "eicon":ID, pci_cards); printk(KERN_INFO "%s: DriverID: '%s'\n",eicon_ctype_name[aparms->type] , did); if (!(eicon_addcard(aparms->type, (int) aparms, aparms->irq, did))) { printk(KERN_ERR "eicon_pci: Card could not be added !\n"); pci_cards--; } } } } } else printk(KERN_ERR "eicon_pci: Kernel compiled with PCI but no PCI-bios found !\n"); return 0; } /* * Checks protocol file id for "F#xxxx" string fragment to * extract the features, supported by this protocol version. * binary representation of the feature string value is returned * in *value. The function returns 0 if feature string was not * found or has a wrong format, else 1. */ static int GetProtFeatureValue(char *sw_id, int *value) { __u8 i, offset; while (*sw_id) { if ((sw_id[0] == 'F') && (sw_id[1] == '#')) { sw_id = &sw_id[2]; for (i=0, *value=0; i<4; i++, sw_id++) { if ((*sw_id >= '0') && (*sw_id <= '9')) { offset = '0'; } else if ((*sw_id >= 'A') && (*sw_id <= 'F')) { offset = 'A' + 10; } else if ((*sw_id >= 'a') && (*sw_id <= 'f')) { offset = 'a' + 10; } else { return 0; } *value |= (*sw_id - offset) << (4*(3-i)); } return 1; } else { sw_id++; } } return 0; } void eicon_pci_printpar(eicon_pci_card *card) { switch (card->type) { case EICON_CTYPE_MAESTRA: printk(KERN_INFO "%s at 0x%x / 0x%x, irq %d\n", eicon_ctype_name[card->type], (unsigned int)card->PCIreg, (unsigned int)card->PCIcfg, card->irq); break; case EICON_CTYPE_MAESTRAQ: case EICON_CTYPE_MAESTRAQ_U: case EICON_CTYPE_MAESTRAP: printk(KERN_INFO "%s at 0x%x, irq %d\n", eicon_ctype_name[card->type], (unsigned int)card->shmem, card->irq); #ifdef EICON_PCI_DEBUG printk(KERN_INFO "eicon_pci: remapped ram= 0x%x\n",(unsigned int)card->PCIram); printk(KERN_INFO "eicon_pci: remapped reg= 0x%x\n",(unsigned int)card->PCIreg); printk(KERN_INFO "eicon_pci: remapped cfg= 0x%x\n",(unsigned int)card->PCIcfg); #endif break; } } static void eicon_pci_release_shmem(eicon_pci_card *card) { if (!card->master) return; if (card->mvalid) { switch (card->type) { case EICON_CTYPE_MAESTRA: /* reset board */ outb(0, card->PCIcfg + 0x4c); /* disable interrupts from PLX */ outb(0, card->PCIreg + M_RESET); SLEEP(20); outb(0, card->PCIreg + M_ADDRH); outw(0, card->PCIreg + M_ADDR); outw(0, card->PCIreg + M_DATA); release_region(card->PCIreg, 0x20); release_region(card->PCIcfg, 0x80); break; case EICON_CTYPE_MAESTRAQ: case EICON_CTYPE_MAESTRAQ_U: case EICON_CTYPE_MAESTRAP: /* reset board */ writeb(_MP_RISC_RESET | _MP_LED1 | _MP_LED2, card->PCIreg + MP_RESET); SLEEP(20); writeb(0, card->PCIreg + MP_RESET); SLEEP(20); iounmap((void *)card->shmem); iounmap((void *)card->PCIreg); iounmap((void *)card->PCIcfg); break; } } card->mvalid = 0; } static void eicon_pci_release_irq(eicon_pci_card *card) { if (!card->master) return; if (card->ivalid) free_irq(card->irq, card); card->ivalid = 0; } void eicon_pci_release(eicon_pci_card *card) { eicon_pci_release_irq(card); eicon_pci_release_shmem(card); } /* * Upload buffer content to adapters shared memory * on verify error, 1 is returned and a message is printed on screen * else 0 is returned * Can serve IO-Type and Memory type adapters */ int eicon_upload(t_dsp_download_space *p_para, __u16 length, /* byte count */ __u8 *buffer, int verify) { __u32 i, dwdata = 0, val = 0, timeout; __u16 data; eicon_pci_boot *boot = 0; switch (p_para->type) /* actions depend on type of union */ { case DL_PARA_IO_TYPE: for (i=0; i<length; i+=2) { outb ((u8) ((p_para->dat.io.r3addr + i) >> 16), p_para->dat.io.ioADDRH); outw ((u16) (p_para->dat.io.r3addr + i), p_para->dat.io.ioADDR); /* outw (((u16 *)code)[i >> 1], p_para->dat.io.ioDATA); */ outw (*(u16 *)&buffer[i], p_para->dat.io.ioDATA); } if (verify) /* check written block */ { for (i=0; i<length; i+=2) { outb ((u8) ((p_para->dat.io.r3addr + i) >> 16), p_para->dat.io.ioADDRH); outw ((u16) (p_para->dat.io.r3addr + i), p_para->dat.io.ioADDR); data = inw(p_para->dat.io.ioDATA); if (data != *(u16 *)&buffer[i]) { p_para->dat.io.r3addr += i; p_para->dat.io.BadData = data; p_para->dat.io.GoodData = *(u16 *)&buffer[i]; return 1; } } } break; case DL_PARA_MEM_TYPE: boot = p_para->dat.mem.boot; writel(p_para->dat.mem.r3addr, &boot->addr); for (i=0; i<length; i+=4) { writel(((u32 *)buffer)[i >> 2], &boot->data[i]); } if (verify) /* check written block */ { for (i=0; i<length; i+=4) { dwdata = readl(&boot->data[i]); if (((u32 *)buffer)[i >> 2] != dwdata) { p_para->dat.mem.r3addr += i; p_para->dat.mem.BadData = dwdata; p_para->dat.mem.GoodData = ((u32 *)buffer)[i >> 2]; return 1; } } } writel(((length + 3) / 4), &boot->len); /* len in dwords */ writel(2, &boot->cmd); timeout = jiffies + 20; while (timeout > jiffies) { val = readl(&boot->cmd); if (!val) break; SLEEP(2); } if (val) { p_para->dat.mem.timeout = 1; return 1; } break; } return 0; } /* show header information of code file */ static int eicon_pci_print_hdr(unsigned char *code, int offset) { unsigned char hdr[80]; int i, fvalue = 0; i = 0; while ((i < (sizeof(hdr) -1)) && (code[offset + i] != '\0') && (code[offset + i] != '\r') && (code[offset + i] != '\n')) { hdr[i] = code[offset + i]; i++; } hdr[i] = '\0'; printk(KERN_DEBUG "Eicon: loading %s\n", hdr); if (GetProtFeatureValue(hdr, &fvalue)) return(fvalue); else return(0); } /* * Configure a card, download code into BRI card, * check if we get interrupts and return 0 on succes. * Return -ERRNO on failure. */ int eicon_pci_load_bri(eicon_pci_card *card, eicon_pci_codebuf *cb) { int i,j; int timeout; unsigned int offset, offp=0, size, length; int signature = 0; int FeatureValue = 0; eicon_pci_codebuf cbuf; t_dsp_download_space dl_para; t_dsp_download_desc dsp_download_table; unsigned char *code; unsigned int reg; unsigned int cfg; if (copy_from_user(&cbuf, cb, sizeof(eicon_pci_codebuf))) return -EFAULT; reg = card->PCIreg; cfg = card->PCIcfg; /* reset board */ outb(0, reg + M_RESET); SLEEP(10); outb(0, reg + M_ADDRH); outw(0, reg + M_ADDR); outw(0, reg + M_DATA); #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: reset card\n"); #endif /* clear shared memory */ outb(0xff, reg + M_ADDRH); outw(0, reg + M_ADDR); for(i = 0; i < 0xffff; i++) outw(0, reg + M_DATA); SLEEP(10); #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: clear shared memory\n"); #endif /* download protocol and dsp file */ #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: downloading firmware...\n"); #endif /* Allocate code-buffer */ if (!(code = kmalloc(400, GFP_KERNEL))) { printk(KERN_WARNING "eicon_pci_boot: Couldn't allocate code buffer\n"); return -ENOMEM; } /* prepare protocol upload */ dl_para.type = DL_PARA_IO_TYPE; dl_para.dat.io.ioADDR = reg + M_ADDR; dl_para.dat.io.ioADDRH = reg + M_ADDRH; dl_para.dat.io.ioDATA = reg + M_DATA; for (j = 0; j <= cbuf.dsp_code_num; j++) { if (j == 0) size = cbuf.protocol_len; else size = cbuf.dsp_code_len[j]; offset = 0; if (j == 0) dl_para.dat.io.r3addr = 0; if (j == 1) dl_para.dat.io.r3addr = M_DSP_CODE_BASE + ((sizeof(__u32) + (sizeof(dsp_download_table) * 35) + 3) &0xfffffffc); if (j == 2) dl_para.dat.io.r3addr = M_DSP_CODE_BASE; if (j == 3) dl_para.dat.io.r3addr = M_DSP_CODE_BASE + sizeof(__u32); do /* download block of up to 400 bytes */ { length = ((size - offset) >= 400) ? 400 : (size - offset); if (copy_from_user(code, (&cb->code) + offp + offset, length)) { kfree(code); return -EFAULT; } if ((offset == 0) && (j < 2)) { FeatureValue = eicon_pci_print_hdr(code, j ? 0x00 : 0x80); #ifdef EICON_PCI_DEBUG if (FeatureValue) printk(KERN_DEBUG "eicon_pci: Feature Value : 0x%04x.\n", FeatureValue); #endif if ((j==0) && (!(FeatureValue & PROTCAP_TELINDUS))) { printk(KERN_ERR "eicon_pci: Protocol Code cannot handle Telindus\n"); kfree(code); return -EFAULT; } ((eicon_card *)card->card)->Feature = FeatureValue; } if (eicon_upload(&dl_para, length, code, 1)) { printk(KERN_ERR "eicon_pci: code block check failed at 0x%x !\n",dl_para.dat.io.r3addr); kfree(code); return -EIO; } /* move onto next block */ offset += length; dl_para.dat.io.r3addr += length; } while (offset < size); #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "Eicon: %d bytes loaded.\n", offset); #endif offp += size; } kfree(code); /* clear signature */ outb(0xff, reg + M_ADDRH); outw(0x1e, reg + M_ADDR); outw(0, reg + M_DATA); #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: copy configuration data into shared memory...\n"); #endif /* copy configuration data into shared memory */ outw(8, reg + M_ADDR); outb(cbuf.tei, reg + M_DATA); outw(9, reg + M_ADDR); outb(cbuf.nt2, reg + M_DATA); outw(10,reg + M_ADDR); outb(0, reg + M_DATA); outw(11,reg + M_ADDR); outb(cbuf.WatchDog, reg + M_DATA); outw(12,reg + M_ADDR); outb(cbuf.Permanent, reg + M_DATA); outw(13,reg + M_ADDR); outb(0, reg + M_DATA); /* XInterface */ outw(14,reg + M_ADDR); outb(cbuf.StableL2, reg + M_DATA); outw(15,reg + M_ADDR); outb(cbuf.NoOrderCheck, reg + M_DATA); outw(16,reg + M_ADDR); outb(0, reg + M_DATA); /* HandsetType */ outw(17,reg + M_ADDR); outb(0, reg + M_DATA); /* SigFlags */ outw(18,reg + M_ADDR); outb(cbuf.LowChannel, reg + M_DATA); outw(19,reg + M_ADDR); outb(cbuf.ProtVersion, reg + M_DATA); outw(20,reg + M_ADDR); outb(cbuf.Crc4, reg + M_DATA); outw(21,reg + M_ADDR); outb((cbuf.Loopback) ? 2:0, reg + M_DATA); for (i=0;i<32;i++) { outw( 32+i, reg + M_ADDR); outb(cbuf.l[0].oad[i], reg + M_DATA); outw( 64+i, reg + M_ADDR); outb(cbuf.l[0].osa[i], reg + M_DATA); outw( 96+i, reg + M_ADDR); outb(cbuf.l[0].spid[i], reg + M_DATA); outw(128+i, reg + M_ADDR); outb(cbuf.l[1].oad[i], reg + M_DATA); outw(160+i, reg + M_ADDR); outb(cbuf.l[1].osa[i], reg + M_DATA); outw(192+i, reg + M_ADDR); outb(cbuf.l[1].spid[i], reg + M_DATA); } #ifdef EICON_PCI_DEBUG printk(KERN_ERR "eicon_pci: starting CPU...\n"); #endif /* let the CPU run */ outw(0x08, reg + M_RESET); timeout = jiffies + (5*HZ); while (timeout > jiffies) { outw(0x1e, reg + M_ADDR); signature = inw(reg + M_DATA); if (signature == DIVAS_SIGNATURE) break; SLEEP(2); } if (signature != DIVAS_SIGNATURE) { #ifdef EICON_PCI_DEBUG printk(KERN_ERR "eicon_pci: signature 0x%x expected 0x%x\n",signature,DIVAS_SIGNATURE); #endif printk(KERN_ERR "eicon_pci: Timeout, protocol code not running !\n"); return -EIO; } #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: Protocol code running, signature OK\n"); #endif /* get serial number and number of channels supported by card */ outb(0xff, reg + M_ADDRH); outw(0x3f6, reg + M_ADDR); card->channels = inw(reg + M_DATA); card->serial = (u32)inw(cfg + 0x22) << 16 | (u32)inw(cfg + 0x26); printk(KERN_INFO "Eicon: Supported channels : %d\n", card->channels); printk(KERN_INFO "Eicon: Card serial no. = %lu\n", card->serial); /* test interrupt */ card->irqprobe = 1; if (!card->ivalid) { if (request_irq(card->irq, &eicon_irq, 0, "Eicon PCI ISDN", card->card)) { printk(KERN_ERR "eicon_pci: Couldn't request irq %d\n", card->irq); return -EIO; } } card->ivalid = 1; #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: testing interrupt\n"); #endif /* Trigger an interrupt and check if it is delivered */ outb(0x41, cfg + 0x4c); /* enable PLX for interrupts */ outb(0x89, reg + M_RESET); /* place int request */ timeout = jiffies + 20; while (timeout > jiffies) { if (card->irqprobe != 1) break; SLEEP(5); } if (card->irqprobe == 1) { free_irq(card->irq, card); card->ivalid = 0; printk(KERN_ERR "eicon_pci: Getting no interrupts !\n"); return -EIO; } /* initializing some variables */ ((eicon_card *)card->card)->ReadyInt = 0; for(j=0; j<256; j++) ((eicon_card *)card->card)->IdTable[j] = NULL; for(j=0; j< (card->channels + 1); j++) { ((eicon_card *)card->card)->bch[j].e.busy = 0; ((eicon_card *)card->card)->bch[j].e.D3Id = 0; ((eicon_card *)card->card)->bch[j].e.B2Id = 0; ((eicon_card *)card->card)->bch[j].e.ref = 0; ((eicon_card *)card->card)->bch[j].e.Req = 0; ((eicon_card *)card->card)->bch[j].e.complete = 1; ((eicon_card *)card->card)->bch[j].fsm_state = EICON_STATE_NULL; } printk(KERN_INFO "Eicon: Card successfully started\n"); return 0; } /* * Configure a card, download code into PRI card, * check if we get interrupts and return 0 on succes. * Return -ERRNO on failure. */ int eicon_pci_load_pri(eicon_pci_card *card, eicon_pci_codebuf *cb) { eicon_pci_boot *boot; eicon_pr_ram *prram; int i,j; int timeout; int FeatureValue = 0; unsigned int offset, offp=0, size, length; unsigned long int signature = 0; t_dsp_download_space dl_para; t_dsp_download_desc dsp_download_table; eicon_pci_codebuf cbuf; unsigned char *code; unsigned char req_int; char *ram, *reg, *cfg; if (copy_from_user(&cbuf, cb, sizeof(eicon_pci_codebuf))) return -EFAULT; boot = &card->shmem->boot; ram = (char *)card->PCIram; reg = (char *)card->PCIreg; cfg = (char *)card->PCIcfg; prram = (eicon_pr_ram *)ram; /* reset board */ writeb(_MP_RISC_RESET | _MP_LED1 | _MP_LED2, card->PCIreg + MP_RESET); SLEEP(20); writeb(0, card->PCIreg + MP_RESET); SLEEP(20); /* set command count to 0 */ writel(0, &boot->reserved); /* check if CPU increments the life word */ i = readw(&boot->live); SLEEP(20); if (i == readw(&boot->live)) { printk(KERN_ERR "eicon_pci: card is reset, but CPU not running !\n"); return -EIO; } #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: reset card OK (CPU running)\n"); #endif /* download firmware : DSP and Protocol */ #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: downloading firmware...\n"); #endif /* Allocate code-buffer */ if (!(code = kmalloc(400, GFP_KERNEL))) { printk(KERN_WARNING "eicon_pci_boot: Couldn't allocate code buffer\n"); return -ENOMEM; } /* prepare protocol upload */ dl_para.type = DL_PARA_MEM_TYPE; dl_para.dat.mem.boot = boot; for (j = 0; j <= cbuf.dsp_code_num; j++) { if (j==0) size = cbuf.protocol_len; else size = cbuf.dsp_code_len[j]; if (j==1) writel(MP_DSP_ADDR, &boot->addr); /* DSP code entry point */ if (j == 0) dl_para.dat.io.r3addr = MP_PROTOCOL_ADDR; if (j == 1) dl_para.dat.io.r3addr = MP_DSP_CODE_BASE + ((sizeof(__u32) + (sizeof(dsp_download_table) * 35) + 3) &0xfffffffc); if (j == 2) dl_para.dat.io.r3addr = MP_DSP_CODE_BASE; if (j == 3) dl_para.dat.io.r3addr = MP_DSP_CODE_BASE + sizeof(__u32); offset = 0; do /* download block of up to 400 bytes */ { length = ((size - offset) >= 400) ? 400 : (size - offset); if (copy_from_user(code, (&cb->code) + offp + offset, length)) { kfree(code); return -EFAULT; } if ((offset == 0) && (j < 2)) { FeatureValue = eicon_pci_print_hdr(code, j ? 0x00 : 0x80); #ifdef EICON_PCI_DEBUG if (FeatureValue) printk(KERN_DEBUG "eicon_pci: Feature Value : 0x%x.\n", FeatureValue); #endif if ((j==0) && (!(FeatureValue & PROTCAP_TELINDUS))) { printk(KERN_ERR "eicon_pci: Protocol Code cannot handle Telindus\n"); kfree(code); return -EFAULT; } ((eicon_card *)card->card)->Feature = FeatureValue; } if (eicon_upload(&dl_para, length, code, 1)) { if (dl_para.dat.mem.timeout == 0) printk(KERN_ERR "eicon_pci: code block check failed at 0x%x !\n",dl_para.dat.io.r3addr); else printk(KERN_ERR "eicon_pci: timeout, no ACK to load !\n"); kfree(code); return -EIO; } /* move onto next block */ offset += length; dl_para.dat.mem.r3addr += length; } while (offset < size); #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: %d bytes loaded.\n", offset); #endif offp += size; } kfree(code); /* initialize the adapter data structure */ #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: copy configuration data into shared memory...\n"); #endif /* clear out config space */ for (i = 0; i < 256; i++) writeb(0, &ram[i]); /* copy configuration down to the card */ writeb(cbuf.tei, &ram[8]); writeb(cbuf.nt2, &ram[9]); writeb(0, &ram[10]); writeb(cbuf.WatchDog, &ram[11]); writeb(cbuf.Permanent, &ram[12]); writeb(cbuf.XInterface, &ram[13]); writeb(cbuf.StableL2, &ram[14]); writeb(cbuf.NoOrderCheck, &ram[15]); writeb(cbuf.HandsetType, &ram[16]); writeb(0, &ram[17]); writeb(cbuf.LowChannel, &ram[18]); writeb(cbuf.ProtVersion, &ram[19]); writeb(cbuf.Crc4, &ram[20]); for (i = 0; i < 32; i++) { writeb(cbuf.l[0].oad[i], &ram[32 + i]); writeb(cbuf.l[0].osa[i], &ram[64 + i]); writeb(cbuf.l[0].spid[i], &ram[96 + i]); writeb(cbuf.l[1].oad[i], &ram[128 + i]); writeb(cbuf.l[1].osa[i], &ram[160 + i]); writeb(cbuf.l[1].spid[i], &ram[192 + i]); } #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: configured card OK\n"); #endif /* start adapter */ #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: tell card to start...\n"); #endif writel(MP_PROTOCOL_ADDR, &boot->addr); /* RISC code entry point */ writel(3, &boot->cmd); /* DIVAS_START_CMD */ /* wait till card ACKs */ timeout = jiffies + (5*HZ); while (timeout > jiffies) { signature = readl(&boot->signature); if ((signature >> 16) == DIVAS_SIGNATURE) break; SLEEP(2); } if ((signature >> 16) != DIVAS_SIGNATURE) { #ifdef EICON_PCI_DEBUG printk(KERN_ERR "eicon_pci: signature 0x%lx expected 0x%x\n",(signature >> 16),DIVAS_SIGNATURE); #endif printk(KERN_ERR "eicon_pci: timeout, protocol code not running !\n"); return -EIO; } #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: Protocol code running, signature OK\n"); #endif /* get serial number and number of channels supported by card */ card->channels = readb(&ram[0x3f6]); card->serial = readl(&ram[0x3f0]); printk(KERN_INFO "Eicon: Supported channels : %d\n", card->channels); printk(KERN_INFO "Eicon: Card serial no. = %lu\n", card->serial); /* test interrupt */ readb(&ram[0x3fe]); writeb(0, &ram[0x3fe]); /* reset any pending interrupt */ readb(&ram[0x3fe]); writew(MP_IRQ_RESET_VAL, &cfg[MP_IRQ_RESET]); writew(0, &cfg[MP_IRQ_RESET + 2]); card->irqprobe = 1; if (!card->ivalid) { if (request_irq(card->irq, &eicon_irq, 0, "Eicon PCI ISDN", card->card)) { printk(KERN_ERR "eicon_pci: Couldn't request irq %d\n", card->irq); return -EIO; } } card->ivalid = 1; req_int = readb(&prram->ReadyInt); #ifdef EICON_PCI_DEBUG printk(KERN_DEBUG "eicon_pci: testing interrupt\n"); #endif req_int++; /* Trigger an interrupt and check if it is delivered */ writeb(req_int, &prram->ReadyInt); timeout = jiffies + 20; while (timeout > jiffies) { if (card->irqprobe != 1) break; SLEEP(2); } if (card->irqprobe == 1) { free_irq(card->irq, card); card->ivalid = 0; printk(KERN_ERR "eicon_pci: Getting no interrupts !\n"); return -EIO; } /* initializing some variables */ ((eicon_card *)card->card)->ReadyInt = 0; for(j=0; j<256; j++) ((eicon_card *)card->card)->IdTable[j] = NULL; for(j=0; j< (card->channels + 1); j++) { ((eicon_card *)card->card)->bch[j].e.busy = 0; ((eicon_card *)card->card)->bch[j].e.D3Id = 0; ((eicon_card *)card->card)->bch[j].e.B2Id = 0; ((eicon_card *)card->card)->bch[j].e.ref = 0; ((eicon_card *)card->card)->bch[j].e.Req = 0; ((eicon_card *)card->card)->bch[j].e.complete = 1; ((eicon_card *)card->card)->bch[j].fsm_state = EICON_STATE_NULL; } printk(KERN_INFO "Eicon: Card successfully started\n"); return 0; } #endif /* CONFIG_PCI */ |