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Device.c

/* $XFree86: xc/programs/Xserver/hw/xfree86/parser/Device.c,v 1.27 2003/08/24 17:37:07 dawes Exp $ */
/* 
 * 
 * Copyright (c) 1997  Metro Link Incorporated
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * Except as contained in this notice, the name of the Metro Link shall not be
 * used in advertising or otherwise to promote the sale, use or other dealings
 * in this Software without prior written authorization from Metro Link.
 * 
 */
/*
 * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */


/* View/edit this file with tab stops set to 4 */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include "xf86Parser.h"
#include "xf86tokens.h"
#include "Configint.h"

extern LexRec val;

static
xf86ConfigSymTabRec DeviceTab[] =
{
      {ENDSECTION, "endsection"},
      {IDENTIFIER, "identifier"},
      {VENDOR, "vendorname"},
      {BOARD, "boardname"},
      {CHIPSET, "chipset"},
      {RAMDAC, "ramdac"},
      {DACSPEED, "dacspeed"},
      {CLOCKS, "clocks"},
      {OPTION, "option"},
      {VIDEORAM, "videoram"},
      {BIOSBASE, "biosbase"},
      {MEMBASE, "membase"},
      {IOBASE, "iobase"},
      {CLOCKCHIP, "clockchip"},
      {CHIPID, "chipid"},
      {CHIPREV, "chiprev"},
      {CARD, "card"},
      {DRIVER, "driver"},
      {BUSID, "busid"},
      {TEXTCLOCKFRQ, "textclockfreq"},
      {IRQ, "irq"},
      {SCREEN, "screen"},
      {-1, ""},
};

#define CLEANUP xf86freeDeviceList

XF86ConfDevicePtr
xf86parseDeviceSection (void)
{
      int i;
      int has_ident = FALSE;
      int token;
      parsePrologue (XF86ConfDevicePtr, XF86ConfDeviceRec)

      /* Zero is a valid value for these */
      ptr->dev_chipid = -1;
      ptr->dev_chiprev = -1;
      ptr->dev_irq = -1;
      while ((token = xf86getToken (DeviceTab)) != ENDSECTION)
      {
            switch (token)
            {
            case COMMENT:
                  ptr->dev_comment = xf86addComment(ptr->dev_comment, val.str);
                  break;
            case IDENTIFIER:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "Identifier");
                  if (has_ident == TRUE)
                        Error (MULTIPLE_MSG, "Identifier");
                  ptr->dev_identifier = val.str;
                  has_ident = TRUE;
                  break;
            case VENDOR:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "Vendor");
                  ptr->dev_vendor = val.str;
                  break;
            case BOARD:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "Board");
                  ptr->dev_board = val.str;
                  break;
            case CHIPSET:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "Chipset");
                  ptr->dev_chipset = val.str;
                  break;
            case CARD:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "Card");
                  ptr->dev_card = val.str;
                  break;
            case DRIVER:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "Driver");
                  ptr->dev_driver = val.str;
                  break;
            case RAMDAC:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "Ramdac");
                  ptr->dev_ramdac = val.str;
                  break;
            case DACSPEED:
                  for (i = 0; i < CONF_MAXDACSPEEDS; i++)
                        ptr->dev_dacSpeeds[i] = 0;
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                  {
                        Error (DACSPEED_MSG, CONF_MAXDACSPEEDS);
                  }
                  else
                  {
                        ptr->dev_dacSpeeds[0] = (int) (val.realnum * 1000.0 + 0.5);
                        for (i = 1; i < CONF_MAXDACSPEEDS; i++)
                        {
                              if (xf86getSubToken (&(ptr->dev_comment)) == NUMBER)
                                    ptr->dev_dacSpeeds[i] = (int)
                                          (val.realnum * 1000.0 + 0.5);
                              else
                              {
                                    xf86unGetToken (token);
                                    break;
                              }
                        }
                  }
                  break;
            case VIDEORAM:
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                        Error (NUMBER_MSG, "VideoRam");
                  ptr->dev_videoram = val.num;
                  break;
            case BIOSBASE:
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                        Error (NUMBER_MSG, "BIOSBase");
                  ptr->dev_bios_base = val.num;
                  break;
            case MEMBASE:
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                        Error (NUMBER_MSG, "MemBase");
                  ptr->dev_mem_base = val.num;
                  break;
            case IOBASE:
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                        Error (NUMBER_MSG, "IOBase");
                  ptr->dev_io_base = val.num;
                  break;
            case CLOCKCHIP:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "ClockChip");
                  ptr->dev_clockchip = val.str;
                  break;
            case CHIPID:
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                        Error (NUMBER_MSG, "ChipID");
                  ptr->dev_chipid = val.num;
                  break;
            case CHIPREV:
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                        Error (NUMBER_MSG, "ChipRev");
                  ptr->dev_chiprev = val.num;
                  break;

            case CLOCKS:
                  token = xf86getSubToken(&(ptr->dev_comment));
                  for( i = ptr->dev_clocks;
                        token == NUMBER && i < CONF_MAXCLOCKS; i++ ) {
                        ptr->dev_clock[i] = (int)(val.realnum * 1000.0 + 0.5);
                        token = xf86getSubToken(&(ptr->dev_comment));
                  }
                  ptr->dev_clocks = i;
                  xf86unGetToken (token);
                  break;
            case TEXTCLOCKFRQ:
                  if ((token = xf86getSubToken(&(ptr->dev_comment))) != NUMBER)
                        Error (NUMBER_MSG, "TextClockFreq");
                  ptr->dev_textclockfreq = (int)(val.realnum * 1000.0 + 0.5);
                  break;
            case OPTION:
                  ptr->dev_option_lst = xf86parseOption(ptr->dev_option_lst);
                  break;
            case BUSID:
                  if (xf86getSubToken (&(ptr->dev_comment)) != STRING)
                        Error (QUOTE_MSG, "BusID");
                  ptr->dev_busid = val.str;
                  break;
            case IRQ:
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                        Error (QUOTE_MSG, "IRQ");
                  ptr->dev_irq = val.num;
                  break;
            case SCREEN:
                  if (xf86getSubToken (&(ptr->dev_comment)) != NUMBER)
                        Error (NUMBER_MSG, "Screen");
                  ptr->dev_screen = val.num;
                  break;
            case EOF_TOKEN:
                  Error (UNEXPECTED_EOF_MSG, NULL);
                  break;
            default:
                  Error (INVALID_KEYWORD_MSG, xf86tokenString ());
                  break;
            }
      }

      if (!has_ident)
            Error (NO_IDENT_MSG, NULL);

#ifdef DEBUG
      printf ("Device section parsed\n");
#endif

      return ptr;
}

#undef CLEANUP

void
xf86printDeviceSection (FILE * cf, XF86ConfDevicePtr ptr)
{
      int i;

      while (ptr)
      {
            fprintf (cf, "Section \"Device\"\n");
            if (ptr->dev_comment)
                  fprintf (cf, "%s", ptr->dev_comment);
            if (ptr->dev_identifier)
                  fprintf (cf, "\tIdentifier  \"%s\"\n", ptr->dev_identifier);
            if (ptr->dev_driver)
                  fprintf (cf, "\tDriver      \"%s\"\n", ptr->dev_driver);
            if (ptr->dev_vendor)
                  fprintf (cf, "\tVendorName  \"%s\"\n", ptr->dev_vendor);
            if (ptr->dev_board)
                  fprintf (cf, "\tBoardName   \"%s\"\n", ptr->dev_board);
            if (ptr->dev_chipset)
                  fprintf (cf, "\tChipSet     \"%s\"\n", ptr->dev_chipset);
            if (ptr->dev_card)
                  fprintf (cf, "\tCard        \"%s\"\n", ptr->dev_card);
            if (ptr->dev_ramdac)
                  fprintf (cf, "\tRamDac      \"%s\"\n", ptr->dev_ramdac);
            if (ptr->dev_dacSpeeds[0] > 0 ) {
                  fprintf (cf, "\tDacSpeed    ");
                  for (i = 0; i < CONF_MAXDACSPEEDS
                              && ptr->dev_dacSpeeds[i] > 0; i++ )
                        fprintf (cf, "%g ", (double) (ptr->dev_dacSpeeds[i])/ 1000.0 );
                  fprintf (cf, "\n");
            }
            if (ptr->dev_videoram)
                  fprintf (cf, "\tVideoRam    %d\n", ptr->dev_videoram);
            if (ptr->dev_bios_base)
                  fprintf (cf, "\tBiosBase    0x%lx\n", ptr->dev_bios_base);
            if (ptr->dev_mem_base)
                  fprintf (cf, "\tMemBase     0x%lx\n", ptr->dev_mem_base);
            if (ptr->dev_io_base)
                  fprintf (cf, "\tIOBase      0x%lx\n", ptr->dev_io_base);
            if (ptr->dev_clockchip)
                  fprintf (cf, "\tClockChip   \"%s\"\n", ptr->dev_clockchip);
            if (ptr->dev_chipid != -1)
                  fprintf (cf, "\tChipId      0x%x\n", ptr->dev_chipid);
            if (ptr->dev_chiprev != -1)
                  fprintf (cf, "\tChipRev     0x%x\n", ptr->dev_chiprev);

            xf86printOptionList(cf, ptr->dev_option_lst, 1);
            if (ptr->dev_clocks > 0 ) {
                  fprintf (cf, "\tClocks      ");
                  for (i = 0; i < ptr->dev_clocks; i++ )
                        fprintf (cf, "%.1f ", (double)ptr->dev_clock[i] / 1000.0 );
                  fprintf (cf, "\n");
            }
            if (ptr->dev_textclockfreq) {
                  fprintf (cf, "\tTextClockFreq %.1f\n",
                               (double)ptr->dev_textclockfreq / 1000.0);
            }
            if (ptr->dev_busid)
                  fprintf (cf, "\tBusID       \"%s\"\n", ptr->dev_busid);
            if (ptr->dev_screen > 0)
                  fprintf (cf, "\tScreen      %d\n", ptr->dev_screen);
            if (ptr->dev_irq >= 0)
                  fprintf (cf, "\tIRQ         %d\n", ptr->dev_irq);
            fprintf (cf, "EndSection\n\n");
            ptr = ptr->list.next;
      }
}

void
xf86freeDeviceList (XF86ConfDevicePtr ptr)
{
      XF86ConfDevicePtr prev;

      while (ptr)
      {
            TestFree (ptr->dev_identifier);
            TestFree (ptr->dev_vendor);
            TestFree (ptr->dev_board);
            TestFree (ptr->dev_chipset);
            TestFree (ptr->dev_card);
            TestFree (ptr->dev_driver);
            TestFree (ptr->dev_ramdac);
            TestFree (ptr->dev_clockchip);
            TestFree (ptr->dev_comment);
            xf86optionListFree (ptr->dev_option_lst);

            prev = ptr;
            ptr = ptr->list.next;
            xf86conffree (prev);
      }
}

int
xf86validateDevice (XF86ConfigPtr p)
{
      XF86ConfDevicePtr device = p->conf_device_lst;

      if (!device) {
            xf86validationError ("At least one Device section is required.");
            return (FALSE);
      }

      while (device) {
            if (!device->dev_driver) {
                  xf86validationError (UNDEFINED_DRIVER_MSG, device->dev_identifier);
                  return (FALSE);
            }
      device = device->list.next;
      }
      return (TRUE);
}

XF86ConfDevicePtr
xf86findDevice (const char *ident, XF86ConfDevicePtr p)
{
      while (p)
      {
            if (xf86nameCompare (ident, p->dev_identifier) == 0)
                  return (p);

            p = p->list.next;
      }
      return (NULL);
}

char *
xf86configStrdup (const char *s)
{
      char *tmp;
      if (!s) return NULL;
      tmp = xf86confmalloc (sizeof (char) * (strlen (s) + 1));
      if (tmp)
            strcpy (tmp, s);
      return (tmp);
}

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