pnpinfo.c revision 31135
129615Sjmg/* 229615Sjmg * Copyright (c) 1996, Sujal M. Patel 329615Sjmg * All rights reserved. 429615Sjmg * 529615Sjmg * Redistribution and use in source and binary forms, with or without 629615Sjmg * modification, are permitted provided that the following conditions 729615Sjmg * are met: 829615Sjmg * 1. Redistributions of source code must retain the above copyright 929615Sjmg * notice, this list of conditions and the following disclaimer. 1029615Sjmg * 2. Redistributions in binary form must reproduce the above copyright 1129615Sjmg * notice, this list of conditions and the following disclaimer in the 1229615Sjmg * documentation and/or other materials provided with the distribution. 1329615Sjmg * 1429615Sjmg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1529615Sjmg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1629615Sjmg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1729615Sjmg * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1829615Sjmg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1929615Sjmg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2029615Sjmg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2129615Sjmg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2229615Sjmg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2329615Sjmg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2429615Sjmg * SUCH DAMAGE. 2529615Sjmg * 2631135Sjmg * $Id: pnpinfo.c,v 1.1.1.1 1997/09/19 15:36:00 jmg Exp $ 2729615Sjmg */ 2829615Sjmg 2929615Sjmg#include <sys/time.h> 3029615Sjmg 3129615Sjmg#include <stdio.h> 3229615Sjmg#include <stdlib.h> 3329615Sjmg#include <unistd.h> 3429615Sjmg#include <fcntl.h> 3529615Sjmg#include <string.h> 3629615Sjmg 3729615Sjmg#include <machine/cpufunc.h> 3829615Sjmg 3929615Sjmg#include <i386/isa/pnp.h> 4029615Sjmg 4129615Sjmg#ifdef DEBUG 4229615Sjmg#define DEB(x) x 4329615Sjmg#else 4429615Sjmg#define DEB(x) 4529615Sjmg#endif 4629615Sjmg#define DDB(x) x 4729615Sjmg 4829615Sjmgvoid 4929615Sjmgpnp_write(int d, u_char r) 5029615Sjmg{ 5129615Sjmg outb (_PNP_ADDRESS, d); 5229615Sjmg outb (_PNP_WRITE_DATA, r); 5329615Sjmg} 5429615Sjmg/* The READ_DATA port that we are using currently */ 5529615Sjmgstatic int rd_port; 5629615Sjmg 5729615Sjmgu_char 5829615Sjmgpnp_read(int d) 5929615Sjmg{ 6029615Sjmg outb(_PNP_ADDRESS, d); 6129615Sjmg return inb( (rd_port << 2) + 3) & 0xff; 6229615Sjmg} 6329615Sjmg 6431135Sjmgu_short 6529615Sjmgpnp_readw(int d) 6629615Sjmg{ 6729615Sjmg int c = pnp_read(d) << 8 ; 6829615Sjmg c |= pnp_read(d+1); 6929615Sjmg return c; 7029615Sjmg} 7129615Sjmg 7229615Sjmgint logdevs=0; 7329615Sjmg 7429615Sjmgvoid DELAY __P((int i)); 7529615Sjmgvoid send_Initiation_LFSR(); 7629615Sjmgint get_serial __P((u_char *data)); 7729615Sjmgint get_resource_info __P((u_char *buffer, int len)); 7829615Sjmgint handle_small_res __P((u_char *resinfo, int item, int len)); 7929615Sjmgvoid handle_large_res __P((u_char *resinfo, int item, int len)); 8029615Sjmgvoid dump_resdata __P((u_char *data, int csn)); 8129615Sjmgint isolation_protocol(); 8229615Sjmg 8329615Sjmg 8429615Sjmg/* 8529615Sjmg * DELAY does accurate delaying in user-space. 8629615Sjmg * This function busy-waits. 8729615Sjmg */ 8829615Sjmgvoid 8929615SjmgDELAY (int i) 9029615Sjmg{ 9129615Sjmg struct timeval t; 9229615Sjmg long start, stop; 9329615Sjmg 9429615Sjmg i *= 4; 9529615Sjmg 9629615Sjmg gettimeofday (&t, NULL); 9729615Sjmg start = t.tv_sec * 1000000 + t.tv_usec; 9829615Sjmg do { 9929615Sjmg gettimeofday (&t, NULL); 10029615Sjmg stop = t.tv_sec * 1000000 + t.tv_usec; 10129615Sjmg } while (start + i > stop); 10229615Sjmg} 10329615Sjmg 10429615Sjmg 10529615Sjmg/* 10629615Sjmg * Send Initiation LFSR as described in "Plug and Play ISA Specification, 10729615Sjmg * Intel May 94." 10829615Sjmg */ 10929615Sjmgvoid 11029615Sjmgsend_Initiation_LFSR() 11129615Sjmg{ 11229615Sjmg int cur, i; 11329615Sjmg 11429615Sjmg pnp_write(CONFIG_CONTROL, 0x2); 11529615Sjmg 11629615Sjmg /* Reset the LSFR */ 11729615Sjmg outb(_PNP_ADDRESS, 0); 11829615Sjmg outb(_PNP_ADDRESS, 0); /* yes, we do need it twice! */ 11929615Sjmg 12029615Sjmg cur = 0x6a; 12129615Sjmg 12229615Sjmg for (i = 0; i < 32; i++) { 12329615Sjmg outb(_PNP_ADDRESS, cur); 12429615Sjmg cur = (cur >> 1) | (((cur ^ (cur >> 1)) << 7) & 0xff); 12529615Sjmg } 12629615Sjmg} 12729615Sjmg 12829615Sjmg/* 12929615Sjmg * Get the device's serial number. Returns 1 if the serial is valid. 13029615Sjmg */ 13129615Sjmgint 13229615Sjmgget_serial(u_char *data) 13329615Sjmg{ 13429615Sjmg int i, bit, valid = 0, sum = 0x6a; 13529615Sjmg 13629615Sjmg bzero(data, sizeof(char) * 9); 13729615Sjmg 13829615Sjmg for (i = 0; i < 72; i++) { 13929615Sjmg bit = inb((rd_port << 2) | 0x3) == 0x55; 14029615Sjmg DELAY(250); /* Delay 250 usec */ 14129615Sjmg 14229615Sjmg /* Can't Short Circuit the next evaluation, so 'and' is last */ 14329615Sjmg bit = (inb((rd_port << 2) | 0x3) == 0xaa) && bit; 14429615Sjmg DELAY(250); /* Delay 250 usec */ 14529615Sjmg 14629615Sjmg valid = valid || bit; 14729615Sjmg 14829615Sjmg if (i < 64) 14929615Sjmg sum = (sum >> 1) | 15029615Sjmg (((sum ^ (sum >> 1) ^ bit) << 7) & 0xff); 15129615Sjmg 15229615Sjmg data[i / 8] = (data[i / 8] >> 1) | (bit ? 0x80 : 0); 15329615Sjmg } 15429615Sjmg 15529615Sjmg valid = valid && (data[8] == sum); 15629615Sjmg 15729615Sjmg return valid; 15829615Sjmg} 15929615Sjmg 16029615Sjmg 16129615Sjmg/* 16229615Sjmg * Fill's the buffer with resource info from the device. 16329615Sjmg * Returns 0 if the device fails to report 16429615Sjmg */ 16529615Sjmgint 16629615Sjmgget_resource_info(u_char *buffer, int len) 16729615Sjmg{ 16829615Sjmg int i, j; 16929615Sjmg 17029615Sjmg for (i = 0; i < len; i++) { 17129615Sjmg outb(_PNP_ADDRESS, STATUS); 17229615Sjmg for (j = 0; j < 100; j++) { 17329615Sjmg if ((inb((rd_port << 2) | 0x3)) & 0x1) 17429615Sjmg break; 17529615Sjmg DELAY(1); 17629615Sjmg } 17729615Sjmg if (j == 100) { 17829615Sjmg printf("PnP device failed to report resource data\n"); 17929615Sjmg return 0; 18029615Sjmg } 18129615Sjmg outb(_PNP_ADDRESS, RESOURCE_DATA); 18229615Sjmg buffer[i] = inb((rd_port << 2) | 0x3); 18329615Sjmg DEB(printf("--- get_resource_info: got 0x%02x\n",(unsigned)buffer[i])); 18429615Sjmg } 18529615Sjmg return 1; 18629615Sjmg} 18729615Sjmg 18829615Sjmgvoid 18929615Sjmgreport_dma_info (x) 19029615Sjmg int x; 19129615Sjmg{ 19229615Sjmg char *s1=NULL, *s2=NULL, *s3=NULL, *s4=NULL, *s5=NULL; 19329615Sjmg 19429615Sjmg switch (x & 0x3) { 19529615Sjmg case 0: 19629615Sjmg s1="8-bit"; 19729615Sjmg break; 19829615Sjmg case 1: 19929615Sjmg s1="8/16-bit"; 20029615Sjmg break; 20129615Sjmg case 2: 20229615Sjmg s1="16-bit"; 20329615Sjmg break; 20429615Sjmg#ifdef DIAGNOSTIC 20529615Sjmg case 3: 20629615Sjmg s1="Reserved"; 20729615Sjmg break; 20829615Sjmg#endif 20929615Sjmg } 21029615Sjmg 21129615Sjmg s2 = (x & 0x4) ? "bus master" : "not a bus master"; 21229615Sjmg 21329615Sjmg s3 = (x & 0x8) ? "count by byte" : ""; 21429615Sjmg 21529615Sjmg s4 = (x & 0x10) ? "count by word" : ""; 21629615Sjmg 21729615Sjmg switch ((x & 0x60) >> 5) { 21829615Sjmg case 0: 21929615Sjmg s5="Compatibility mode"; 22029615Sjmg break; 22129615Sjmg case 1: 22229615Sjmg s5="Type A"; 22329615Sjmg break; 22429615Sjmg case 2: 22529615Sjmg s5="Type B"; 22629615Sjmg break; 22729615Sjmg case 3: 22829615Sjmg s5="Type F"; 22929615Sjmg break; 23029615Sjmg } 23129615Sjmg printf("\t%s, %s, %s, %s, %s\n",s1,s2,s3,s4,s5); 23229615Sjmg} 23329615Sjmg 23429615Sjmg 23529615Sjmgvoid 23629615Sjmgreport_memory_info (int x) 23729615Sjmg{ 23829615Sjmg if (x & 0x1) 23929615Sjmg printf ("Memory Range: Writeable\n"); 24029615Sjmg else 24129615Sjmg printf ("Memory Range: Not writeable (ROM)\n"); 24229615Sjmg 24329615Sjmg if (x & 0x2) 24429615Sjmg printf ("Memory Range: Read-cacheable, write-through\n"); 24529615Sjmg else 24629615Sjmg printf ("Memory Range: Non-cacheable\n"); 24729615Sjmg 24829615Sjmg if (x & 0x4) 24929615Sjmg printf ("Memory Range: Decode supports high address\n"); 25029615Sjmg else 25129615Sjmg printf ("Memory Range: Decode supports range length\n"); 25229615Sjmg 25329615Sjmg switch ((x & 0x18) >> 3) { 25429615Sjmg case 0: 25529615Sjmg printf ("Memory Range: 8-bit memory only\n"); 25629615Sjmg break; 25729615Sjmg case 1: 25829615Sjmg printf ("Memory Range: 16-bit memory only\n"); 25929615Sjmg break; 26029615Sjmg case 2: 26129615Sjmg printf ("Memory Range: 8-bit and 16-bit memory supported\n"); 26229615Sjmg break; 26329615Sjmg#ifdef DIAGNOSTIC 26429615Sjmg case 3: 26529615Sjmg printf ("Memory Range: Reserved\n"); 26629615Sjmg break; 26729615Sjmg#endif 26829615Sjmg } 26929615Sjmg 27029615Sjmg if (x & 0x20) 27129615Sjmg printf ("Memory Range: Memory is shadowable\n"); 27229615Sjmg else 27329615Sjmg printf ("Memory Range: Memory is not shadowable\n"); 27429615Sjmg 27529615Sjmg if (x & 0x40) 27629615Sjmg printf ("Memory Range: Memory is an expansion ROM\n"); 27729615Sjmg else 27829615Sjmg printf ("Memory Range: Memory is not an expansion ROM\n"); 27929615Sjmg 28029615Sjmg#ifdef DIAGNOSTIC 28129615Sjmg if (x & 0x80) 28229615Sjmg printf ("Memory Range: Reserved (Device is brain-damaged)\n"); 28329615Sjmg#endif 28429615Sjmg} 28529615Sjmg 28629615Sjmg 28729615Sjmg/* 28829615Sjmg * Small Resource Tag Handler 28929615Sjmg * 29029615Sjmg * Returns 1 if checksum was valid (and an END_TAG was received). 29129615Sjmg * Returns -1 if checksum was invalid (and an END_TAG was received). 29229615Sjmg * Returns 0 for other tags. 29329615Sjmg */ 29429615Sjmgint 29529615Sjmghandle_small_res(u_char *resinfo, int item, int len) 29629615Sjmg{ 29729615Sjmg int i; 29829615Sjmg 29929615Sjmg DEB(printf("*** ITEM 0x%04x len %d detected\n", item, len)); 30029615Sjmg 30129615Sjmg switch (item) { 30229615Sjmg default: 30329615Sjmg printf("*** ITEM 0x%02x detected\n", item); 30429615Sjmg break; 30529615Sjmg case PNP_VERSION: 30629615Sjmg printf("PnP Version %d.%d, Vendor Version %d\n", 30729615Sjmg resinfo[0] >> 4, resinfo[0] & (0xf), resinfo[1]); 30829615Sjmg break; 30929615Sjmg case LOG_DEVICE_ID: 31029615Sjmg printf("\nLogical Device ID: %c%c%c%02x%02x 0x%08x #%d\n", 31129615Sjmg ((resinfo[0] & 0x7c) >> 2) + 64, 31229615Sjmg (((resinfo[0] & 0x03) << 3) | 31329615Sjmg ((resinfo[1] & 0xe0) >> 5)) + 64, 31429615Sjmg (resinfo[1] & 0x1f) + 64, 31529615Sjmg resinfo[2], resinfo[3], *(int *)(resinfo), 31629615Sjmg logdevs++); 31729615Sjmg 31829615Sjmg if (resinfo[4] & 0x1) 31929615Sjmg printf ("\tDevice powers up active\n"); /* XXX */ 32029615Sjmg if (resinfo[4] & 0x2) 32129615Sjmg printf ("\tDevice supports I/O Range Check\n"); 32229615Sjmg if (resinfo[4] > 0x3) 32329615Sjmg printf ("\tReserved register funcs %02x\n", 32429615Sjmg resinfo[4]); 32529615Sjmg 32629615Sjmg if (len == 6) 32729615Sjmg printf("\tVendor register funcs %02x\n", resinfo[5]); 32829615Sjmg break; 32929615Sjmg case COMP_DEVICE_ID: 33029615Sjmg printf("Compatible Device ID: %c%c%c%02x%02x (%08x)\n", 33129615Sjmg ((resinfo[0] & 0x7c) >> 2) + 64, 33229615Sjmg (((resinfo[0] & 0x03) << 3) | 33329615Sjmg ((resinfo[1] & 0xe0) >> 5)) + 64, 33429615Sjmg (resinfo[1] & 0x1f) + 64, 33529615Sjmg resinfo[2], resinfo[3], *(int *)resinfo); 33629615Sjmg break; 33729615Sjmg case IRQ_FORMAT: 33829615Sjmg printf(" IRQ: "); 33929615Sjmg 34029615Sjmg for (i = 0; i < 8; i++) 34129615Sjmg if (resinfo[0] & (1<<i)) 34229615Sjmg printf("%d ", i); 34329615Sjmg for (i = 0; i < 8; i++) 34429615Sjmg if (resinfo[1] & (1<<i)) 34529615Sjmg printf("%d ", i + 8); 34629615Sjmg if (len == 3) { 34729615Sjmg if (resinfo[2] & 0x1) 34829615Sjmg printf("IRQ: High true edge sensitive\n"); 34929615Sjmg if (resinfo[2] & 0x2) 35029615Sjmg printf("IRQ: Low true edge sensitive\n"); 35129615Sjmg if (resinfo[2] & 0x4) 35229615Sjmg printf("IRQ: High true level sensitive\n"); 35329615Sjmg if (resinfo[2] & 0x8) 35429615Sjmg printf("IRQ: Low true level sensitive\n"); 35529615Sjmg } else { 35629615Sjmg printf(" - only one type (true/edge)\n"); 35729615Sjmg } 35829615Sjmg break; 35929615Sjmg case DMA_FORMAT: 36029615Sjmg printf(" DMA: channel(s) "); 36129615Sjmg for (i = 0; i < 8; i++) 36229615Sjmg if (resinfo[0] & (1<<i)) 36329615Sjmg printf("%d ", i); 36429615Sjmg printf ("\n"); 36529615Sjmg report_dma_info (resinfo[1]); 36629615Sjmg break; 36729615Sjmg case START_DEPEND_FUNC: 36829615Sjmg printf("TAG Start DF\n"); 36929615Sjmg if (len == 1) { 37029615Sjmg switch (resinfo[0]) { 37129615Sjmg case 0: 37229615Sjmg printf("Good Configuration\n"); 37329615Sjmg break; 37429615Sjmg case 1: 37529615Sjmg printf("Acceptable Configuration\n"); 37629615Sjmg break; 37729615Sjmg case 2: 37829615Sjmg printf("Sub-optimal Configuration\n"); 37929615Sjmg break; 38029615Sjmg } 38129615Sjmg } 38229615Sjmg break; 38329615Sjmg case END_DEPEND_FUNC: 38429615Sjmg printf("TAG End DF\n"); 38529615Sjmg break; 38629615Sjmg case IO_PORT_DESC: 38729615Sjmg printf(" I/O Range 0x%x .. 0x%x, alignment 0x%x, len 0x%x\n", 38829615Sjmg resinfo[1] + (resinfo[2] << 8), 38929615Sjmg resinfo[3] + (resinfo[4] << 8), 39029615Sjmg resinfo[5], resinfo[6] ); 39129615Sjmg if (resinfo[0]) 39229615Sjmg printf("\t[16-bit addr]\n"); 39329615Sjmg else 39429615Sjmg printf("\t[not 16-bit addr]\n"); 39529615Sjmg break; 39629615Sjmg case FIXED_IO_PORT_DESC: 39729615Sjmg printf (" FIXED I/O base address 0x%x length 0x%x\n", 39829615Sjmg resinfo[0] + ( (resinfo[1] & 3 ) << 8), /* XXX */ 39929615Sjmg resinfo[2]); 40029615Sjmg break; 40129615Sjmg#ifdef DIAGNOSTIC 40229615Sjmg case SM_RES_RESERVED: 40329615Sjmg printf("Reserved Tag Detected\n"); 40429615Sjmg break; 40529615Sjmg#endif 40629615Sjmg case SM_VENDOR_DEFINED: 40729615Sjmg printf("*** Small Vendor Tag Detected\n"); 40829615Sjmg break; 40929615Sjmg case END_TAG: 41029615Sjmg printf("End Tag\n\n"); 41129615Sjmg /* XXX Record and Verify Checksum */ 41229615Sjmg return 1; 41329615Sjmg break; 41429615Sjmg } 41529615Sjmg return 0; 41629615Sjmg} 41729615Sjmg 41829615Sjmg 41929615Sjmgvoid 42029615Sjmghandle_large_res(u_char *resinfo, int item, int len) 42129615Sjmg{ 42229615Sjmg int i; 42329615Sjmg 42429615Sjmg DEB(printf("*** Large ITEM %d len %d found\n", item, len)); 42529615Sjmg switch (item) { 42629615Sjmg case MEMORY_RANGE_DESC: 42729615Sjmg report_memory_info(resinfo[0]); 42829615Sjmg printf("Memory range minimum address: 0x%x\n", 42929615Sjmg (resinfo[1] << 8) + (resinfo[2] << 16)); 43029615Sjmg printf("Memory range maximum address: 0x%x\n", 43129615Sjmg (resinfo[3] << 8) + (resinfo[4] << 16)); 43229615Sjmg printf("Memory range base alignment: 0x%x\n", 43329615Sjmg (i = (resinfo[5] + (resinfo[6] << 8))) ? i : (1 << 16)); 43429615Sjmg printf("Memory range length: 0x%x\n", 43529615Sjmg (resinfo[7] + (resinfo[8] << 8)) * 256); 43629615Sjmg break; 43729615Sjmg case ID_STRING_ANSI: 43829615Sjmg printf("Device Description: "); 43929615Sjmg 44029615Sjmg for (i = 0; i < len; i++) { 44129615Sjmg if (resinfo[i]) /* XXX */ 44229615Sjmg printf("%c", resinfo[i]); 44329615Sjmg } 44429615Sjmg printf("\n"); 44529615Sjmg break; 44629615Sjmg case ID_STRING_UNICODE: 44729615Sjmg printf("ID String Unicode Detected (Undefined)\n"); 44829615Sjmg break; 44929615Sjmg case LG_VENDOR_DEFINED: 45029615Sjmg printf("Large Vendor Defined Detected\n"); 45129615Sjmg break; 45229615Sjmg case _32BIT_MEM_RANGE_DESC: 45329615Sjmg printf("32bit Memory Range Desc Unimplemented\n"); 45429615Sjmg break; 45529615Sjmg case _32BIT_FIXED_LOC_DESC: 45629615Sjmg printf("32bit Fixed Location Desc Unimplemented\n"); 45729615Sjmg break; 45829615Sjmg case LG_RES_RESERVED: 45929615Sjmg printf("Large Reserved Tag Detected\n"); 46029615Sjmg break; 46129615Sjmg } 46229615Sjmg} 46329615Sjmg 46429615Sjmg 46529615Sjmg/* 46629615Sjmg * Dump all the information about configurations. 46729615Sjmg */ 46829615Sjmgvoid 46929615Sjmgdump_resdata(u_char *data, int csn) 47029615Sjmg{ 47129615Sjmg int i, large_len; 47229615Sjmg 47329615Sjmg u_char tag, *resinfo; 47429615Sjmg 47529615Sjmg DDB(printf("\nCard assigned CSN #%d\n", csn)); 47629615Sjmg printf("Vendor ID %c%c%c%02x%02x (0x%08x), Serial Number 0x%08x\n", 47729615Sjmg ((data[0] & 0x7c) >> 2) + 64, 47829615Sjmg (((data[0] & 0x03) << 3) | ((data[1] & 0xe0) >> 5)) + 64, 47929615Sjmg (data[1] & 0x1f) + 64, data[2], data[3], 48029615Sjmg *(int *)&(data[0]), 48129615Sjmg *(int *)&(data[4])); 48229615Sjmg 48329615Sjmg pnp_write(SET_CSN, csn); /* Move this out of this function XXX */ 48429615Sjmg outb(_PNP_ADDRESS, STATUS); 48529615Sjmg 48629615Sjmg /* Allows up to 1kb of Resource Info, Should be plenty */ 48729615Sjmg for (i = 0; i < 1024; i++) { 48829615Sjmg if (!get_resource_info(&tag, 1)) 48929615Sjmg break; 49029615Sjmg 49129615Sjmg#define TYPE (tag >> 7) 49229615Sjmg#define S_ITEM (tag >> 3) 49329615Sjmg#define S_LEN (tag & 0x7) 49429615Sjmg#define L_ITEM (tag & 0x7f) 49529615Sjmg 49629615Sjmg if (TYPE == 0) { 49729615Sjmg /* Handle small resouce data types */ 49829615Sjmg 49929615Sjmg resinfo = malloc(S_LEN); 50029615Sjmg if (!get_resource_info(resinfo, S_LEN)) 50129615Sjmg break; 50229615Sjmg 50329615Sjmg if (handle_small_res(resinfo, S_ITEM, S_LEN) == 1) 50429615Sjmg break; 50529615Sjmg free(resinfo); 50629615Sjmg } else { 50729615Sjmg /* Handle large resouce data types */ 50829615Sjmg 50929615Sjmg if (!get_resource_info((char *) &large_len, 2)) 51029615Sjmg break; 51129615Sjmg 51229615Sjmg resinfo = malloc(large_len); 51329615Sjmg if (!get_resource_info(resinfo, large_len)) 51429615Sjmg break; 51529615Sjmg 51629615Sjmg handle_large_res(resinfo, L_ITEM, large_len); 51729615Sjmg free(resinfo); 51829615Sjmg } 51929615Sjmg } 52029615Sjmg printf("Successfully got %d resources, %d logical fdevs\n", i, 52129615Sjmg logdevs); 52229615Sjmg printf("-- card select # 0x%04x\n", pnp_read(SET_CSN)); 52329615Sjmg printf("\nCSN %c%c%c%02x%02x (0x%08x), Serial Number 0x%08x\n", 52429615Sjmg ((data[0] & 0x7c) >> 2) + 64, 52529615Sjmg (((data[0] & 0x03) << 3) | ((data[1] & 0xe0) >> 5)) + 64, 52629615Sjmg (data[1] & 0x1f) + 64, data[2], data[3], 52729615Sjmg *(int *)&(data[0]), 52829615Sjmg *(int *)&(data[4])); 52929615Sjmg 53029615Sjmg for (i=0; i<logdevs; i++) { 53129615Sjmg int j; 53229615Sjmg 53329615Sjmg pnp_write(SET_LDN, i); 53429615Sjmg 53529615Sjmg printf("\nLogical device #%d\n", pnp_read(SET_LDN) ); 53629615Sjmg printf("IO: "); 53729615Sjmg for (j=0; j<8; j++) 53829615Sjmg printf(" 0x%04x", pnp_readw(IO_CONFIG_BASE + j*2)); 53929615Sjmg printf("\nIRQ %d %d\n", 54029615Sjmg pnp_read(IRQ_CONFIG), pnp_read(IRQ_CONFIG+2) ); 54129615Sjmg printf("DMA %d %d\n", 54229615Sjmg pnp_read(DRQ_CONFIG), pnp_read(DRQ_CONFIG+1) ); 54329615Sjmg printf("IO range check 0x%02x activate 0x%02x\n", 54429615Sjmg pnp_read(IO_RANGE_CHECK), pnp_read(ACTIVATE) ); 54529615Sjmg } 54629615Sjmg} 54729615Sjmg 54829615Sjmg 54929615Sjmg/* 55029615Sjmg * Run the isolation protocol. Use rd_port as the READ_DATA port 55129615Sjmg * value (caller should try multiple READ_DATA locations before giving 55229615Sjmg * up). Upon exiting, all cards are aware that they should use rd_port 55329615Sjmg * as the READ_DATA port; 55429615Sjmg * 55529615Sjmg */ 55629615Sjmgint 55729615Sjmgisolation_protocol() 55829615Sjmg{ 55929615Sjmg int csn; 56029615Sjmg u_char data[9]; 56129615Sjmg 56229615Sjmg send_Initiation_LFSR(); 56329615Sjmg 56429615Sjmg /* Reset CSN for All Cards */ 56529615Sjmg pnp_write(CONFIG_CONTROL, 0x04); 56629615Sjmg 56729615Sjmg for (csn = 1; (csn < MAX_PNP_CARDS); csn++) { 56829615Sjmg /* Wake up cards without a CSN */ 56929615Sjmg logdevs = 0 ; 57029615Sjmg pnp_write(WAKE, 0); 57129615Sjmg pnp_write(SET_RD_DATA, rd_port); 57229615Sjmg outb(_PNP_ADDRESS, SERIAL_ISOLATION); 57329615Sjmg DELAY(1000); /* Delay 1 msec */ 57429615Sjmg 57529615Sjmg if (get_serial(data)) 57629615Sjmg dump_resdata(data, csn); 57729615Sjmg else 57829615Sjmg break; 57929615Sjmg } 58029615Sjmg return csn - 1; 58129615Sjmg} 58229615Sjmg 58329615Sjmg 58429615Sjmgvoid 58529615Sjmgmain() 58629615Sjmg{ 58729615Sjmg int num_pnp_devs; 58829615Sjmg 58929615Sjmg /* Hey what about a i386_iopl() call :) */ 59029615Sjmg if (open("/dev/io", O_RDONLY) < 0) { 59129615Sjmg fprintf (stderr, "pnpinfo: Can't get I/O privilege.\n"); 59229615Sjmg exit (1); 59329615Sjmg } 59429615Sjmg printf("Checking for Plug-n-Play devices...\n"); 59529615Sjmg 59629615Sjmg /* Try various READ_DATA ports from 0x203-0x3ff */ 59729615Sjmg for (rd_port = 0x80; (rd_port < 0xff); rd_port += 0x10) { 59829615Sjmg DEB(printf("Trying Read_Port at %x...\n", (rd_port << 2) | 0x3) ); 59929615Sjmg num_pnp_devs = isolation_protocol(rd_port); 60029615Sjmg if (num_pnp_devs) 60129615Sjmg break; 60229615Sjmg } 60329615Sjmg if (!num_pnp_devs) { 60429615Sjmg printf("No Plug-n-Play devices were found\n"); 60529615Sjmg return; 60629615Sjmg } 60729615Sjmg} 608