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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [sound/] [dev_table.c] - Blame information for rev 1626

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/*
 * sound/dev_table.c
 *
 * Device call tables.
 */
/*
 * Copyright (C) by Hannu Savolainen 1993-1996
 *
 * USS/Lite for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
 * Version 2 (June 1991). See the "COPYING" file distributed with this software
 * for more info.
 */
#include <linux/config.h>
 
 
#define _DEV_TABLE_C_
#include "sound_config.h"
 
int             sound_started = 0;
 
int             sndtable_get_cardcount (void);
 
int
snd_find_driver (int type)
{
  int             i, n = num_sound_drivers;
 
  for (i = 0; i < n; i++)
    if (sound_drivers[i].card_type == type)
      return i;
 
  return -1;
}
 
static void
start_services (void)
{
  int             soundcards_installed;
 
  if (!(soundcards_installed = sndtable_get_cardcount ()))
    return;                     /* No cards detected */
 
#ifdef CONFIG_AUDIO
  if (num_audiodevs)            /* Audio devices present */
    {
      DMAbuf_init ();
      audio_init ();
    }
#endif
 
#ifdef CONFIG_MIDI
  if (num_midis)
    MIDIbuf_init ();
#endif
 
#ifdef CONFIG_SEQUENCER
  if (num_midis + num_synths)
    sequencer_init ();
#endif
  return;
}
 
static void
start_cards (void)
{
  int             i, n = num_sound_cards;
  int             drv;
 
  sound_started = 1;
  if (trace_init)
    printk ("Sound initialization started\n");
 
/*
 * Check the number of cards actually defined in the table
 */
 
  for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
    num_sound_cards = i + 1;
 
  for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
    if (snd_installed_cards[i].enabled)
      {
        snd_installed_cards[i].for_driver_use = NULL;
 
        if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) == -1)
          {
            snd_installed_cards[i].enabled = 0;          /*
                                                         * Mark as not detected
                                                         */
            continue;
          }
 
        snd_installed_cards[i].config.card_subtype =
          sound_drivers[drv].card_subtype;
 
        if (sound_drivers[drv].probe (&snd_installed_cards[i].config))
          {
 
            sound_drivers[drv].attach (&snd_installed_cards[i].config);
 
          }
        else
          snd_installed_cards[i].enabled = 0;    /*
                                                 * Mark as not detected
                                                 */
      }
 
  if (trace_init)
    printk ("Sound initialization complete\n");
}
 
void
sndtable_init (void)
{
  return start_cards ();
}
 
void
sound_unload_drivers (void)
{
  int             i, n = num_sound_cards;
  int             drv;
 
  if (!sound_started)
    return;
 
  if (trace_init)
    printk ("Sound unload started\n");
 
  for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
    if (snd_installed_cards[i].enabled)
      if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) != -1)
        if (sound_drivers[drv].unload)
          {
            sound_drivers[drv].unload (&snd_installed_cards[i].config);
            snd_installed_cards[i].enabled = 0;
          }
 
  if (trace_init)
    printk ("Sound unload complete\n");
}
 
void
sound_unload_driver (int type)
{
  int             i, drv = -1, n = num_sound_cards;
 
  unsigned long   flags;
 
  DDB (printk ("unload driver %d: ", type));
 
  for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
    if (snd_installed_cards[i].card_type == type)
      {
        if (snd_installed_cards[i].enabled)
          {
            if ((drv = snd_find_driver (type)) != -1)
              {
                DDB (printk (" card %d", i));
                if (sound_drivers[drv].unload)
                  {
                    sound_drivers[drv].unload (&snd_installed_cards[i].config);
                    snd_installed_cards[i].enabled = 0;
                  }
              }
          }
      }
  DDB (printk ("\n"));
 
  save_flags (flags);
  cli ();
 
  restore_flags (flags);
}
 
 
int
sndtable_probe (int unit, struct address_info *hw_config)
{
  int             sel = -1;
 
  DDB (printk ("sndtable_probe(%d)\n", unit));
 
  if (!unit)
    return TRUE;
 
  sound_started = 1;
 
 
  if (sel == -1 && num_sound_cards < max_sound_cards)
    {
      int             i;
 
      i = sel = (num_sound_cards++);
 
      snd_installed_cards[sel].card_type = unit;
      snd_installed_cards[sel].enabled = 1;
    }
 
  if (sel != -1)
    {
      int             drv;
 
      snd_installed_cards[sel].for_driver_use = NULL;
      snd_installed_cards[sel].config.io_base = hw_config->io_base;
      snd_installed_cards[sel].config.irq = hw_config->irq;
      snd_installed_cards[sel].config.dma = hw_config->dma;
      snd_installed_cards[sel].config.dma2 = hw_config->dma2;
      snd_installed_cards[sel].config.name = hw_config->name;
      snd_installed_cards[sel].config.always_detect = hw_config->always_detect;
      snd_installed_cards[sel].config.driver_use_1 = hw_config->driver_use_1;
      snd_installed_cards[sel].config.driver_use_2 = hw_config->driver_use_2;
      snd_installed_cards[sel].config.card_subtype = hw_config->card_subtype;
      snd_installed_cards[sel].config.osp = hw_config->osp;
 
      if ((drv = snd_find_driver (snd_installed_cards[sel].card_type)) == -1)
        {
          snd_installed_cards[sel].enabled = 0;
          DDB (printk ("Failed to find driver\n"));
          return FALSE;
        }
      DDB (printk ("Driver name '%s'\n", sound_drivers[drv].name));
 
      hw_config->card_subtype =
        snd_installed_cards[sel].config.card_subtype =
        sound_drivers[drv].card_subtype;
 
      if (sound_drivers[drv].probe (hw_config))
        {
          DDB (printk ("Hardware probed OK\n"));
          return TRUE;
        }
 
      DDB (printk ("Failed to find hardware\n"));
      snd_installed_cards[sel].enabled = 0;      /*
                                                 * Mark as not detected
                                                 */
      return FALSE;
    }
 
  return FALSE;
}
 
int
sndtable_start_card (int unit, struct address_info *hw_config)
{
  int             sel = -1;
 
  DDB (printk ("sndtable_probe(%d)\n", unit));
 
  if (!unit)
    return TRUE;
 
  sound_started = 1;
 
  if (sel == -1 && num_sound_cards < max_sound_cards)
    {
      int             i;
 
      i = sel = (num_sound_cards++);
 
      snd_installed_cards[sel].card_type = unit;
      snd_installed_cards[sel].enabled = 1;
    }
 
  if (sel != -1)
    {
      int             drv;
 
      snd_installed_cards[sel].for_driver_use = NULL;
      snd_installed_cards[sel].config.io_base = hw_config->io_base;
      snd_installed_cards[sel].config.irq = hw_config->irq;
      snd_installed_cards[sel].config.dma = hw_config->dma;
      snd_installed_cards[sel].config.dma2 = hw_config->dma2;
      snd_installed_cards[sel].config.name = hw_config->name;
      snd_installed_cards[sel].config.always_detect = hw_config->always_detect;
      snd_installed_cards[sel].config.driver_use_1 = hw_config->driver_use_1;
      snd_installed_cards[sel].config.driver_use_2 = hw_config->driver_use_2;
      snd_installed_cards[sel].config.card_subtype = hw_config->card_subtype;
      snd_installed_cards[sel].config.osp = hw_config->osp;
 
      if ((drv = snd_find_driver (snd_installed_cards[sel].card_type)) == -1)
        {
          snd_installed_cards[sel].enabled = 0;
          DDB (printk ("Failed to find driver\n"));
          return FALSE;
        }
      DDB (printk ("Driver name '%s'\n", sound_drivers[drv].name));
 
      hw_config->card_subtype =
        snd_installed_cards[sel].config.card_subtype =
        sound_drivers[drv].card_subtype;
 
      if (sound_drivers[drv].probe (hw_config))
        {
          DDB (printk ("Hardware probed OK\n"));
          sound_drivers[drv].attach (hw_config);
          start_services ();
          return TRUE;
        }
 
      DDB (printk ("Failed to find hardware\n"));
      snd_installed_cards[sel].enabled = 0;      /*
                                                 * Mark as not detected
                                                 */
      return FALSE;
    }
 
  return FALSE;
}
 
int
sndtable_init_card (int unit, struct address_info *hw_config)
{
  int             i, n = num_sound_cards;
 
  DDB (printk ("sndtable_init_card(%d) entered\n", unit));
 
  if (!unit)
    {
      sndtable_init ();
      return TRUE;
    }
 
  for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
    if (snd_installed_cards[i].card_type == unit)
      {
        int             drv;
 
        snd_installed_cards[i].config.io_base = hw_config->io_base;
        snd_installed_cards[i].config.irq = hw_config->irq;
        snd_installed_cards[i].config.dma = hw_config->dma;
        snd_installed_cards[i].config.dma2 = hw_config->dma2;
        snd_installed_cards[i].config.name = hw_config->name;
        snd_installed_cards[i].config.always_detect = hw_config->always_detect;
        snd_installed_cards[i].config.driver_use_1 = hw_config->driver_use_1;
        snd_installed_cards[i].config.driver_use_2 = hw_config->driver_use_2;
        snd_installed_cards[i].config.card_subtype = hw_config->card_subtype;
        snd_installed_cards[i].config.osp = hw_config->osp;
 
        if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) == -1)
          snd_installed_cards[i].enabled = 0;    /*
                                                 * Mark as not detected
                                                 */
        else
          {
 
            DDB (printk ("Located card - calling attach routine\n"));
            sound_drivers[drv].attach (hw_config);
 
            DDB (printk ("attach routine finished\n"));
          }
        start_services ();
        return TRUE;
      }
 
  DDB (printk ("sndtable_init_card: No card defined with type=%d, num cards: %d\n",
               unit, num_sound_cards));
  return FALSE;
}
 
int
sndtable_get_cardcount (void)
{
  return num_audiodevs + num_mixers + num_synths + num_midis;
}
 
int
sndtable_identify_card (char *name)
{
  int             i, n = num_sound_drivers;
 
  if (name == NULL)
    return 0;
 
  for (i = 0; i < n; i++)
    if (sound_drivers[i].driver_id != NULL)
      {
        char           *id = sound_drivers[i].driver_id;
        int             j;
 
        for (j = 0; j < 80 && name[j] == id[j]; j++)
          if (id[j] == 0 && name[j] == 0) /* Match */
            return sound_drivers[i].card_type;
      }
 
  return 0;
}
 
void
sound_setup (char *str, int *ints)
{
  int             i, n = num_sound_cards;
 
  /*
     * First disable all drivers
   */
 
  for (i = 0; i < n && snd_installed_cards[i].card_type; i++)
    snd_installed_cards[i].enabled = 0;
 
  if (ints[0] == 0 || ints[1] == 0)
    return;
  /*
     * Then enable them one by time
   */
 
  for (i = 1; i <= ints[0]; i++)
    {
      int             card_type, ioaddr, irq, dma, dma2, ptr, j;
      unsigned int    val;
 
      val = (unsigned int) ints[i];
 
      card_type = (val & 0x0ff00000) >> 20;
 
      if (card_type > 127)
        {
          /*
           * Add any future extensions here
           */
          return;
        }
 
      ioaddr = (val & 0x000fff00) >> 8;
      irq = (val & 0x000000f0) >> 4;
      dma = (val & 0x0000000f);
      dma2 = (val & 0xf0000000) >> 28;
 
      ptr = -1;
      for (j = 0; j < n && ptr == -1; j++)
        if (snd_installed_cards[j].card_type == card_type &&
            !snd_installed_cards[j].enabled)    /*
                                                 * Not already found
                                                 */
          ptr = j;
 
      if (ptr == -1)
        printk ("Sound: Invalid setup parameter 0x%08x\n", val);
      else
        {
          snd_installed_cards[ptr].enabled = 1;
          snd_installed_cards[ptr].config.io_base = ioaddr;
          snd_installed_cards[ptr].config.irq = irq;
          snd_installed_cards[ptr].config.dma = dma;
          snd_installed_cards[ptr].config.dma2 = dma2;
          snd_installed_cards[ptr].config.name = NULL;
          snd_installed_cards[ptr].config.always_detect = 0;
          snd_installed_cards[ptr].config.driver_use_1 = 0;
          snd_installed_cards[ptr].config.driver_use_2 = 0;
          snd_installed_cards[ptr].config.card_subtype = 0;
          snd_installed_cards[ptr].config.osp = NULL;
        }
    }
}
 
 
struct address_info
               *
sound_getconf (int card_type)
{
  int             j, ptr;
  int             n = num_sound_cards;
 
  ptr = -1;
  for (j = 0; j < n && ptr == -1 && snd_installed_cards[j].card_type; j++)
    if (snd_installed_cards[j].card_type == card_type)
      ptr = j;
 
  if (ptr == -1)
    return (struct address_info *) NULL;
 
  return &snd_installed_cards[ptr].config;
}
 
 
 
int
sound_install_audiodrv (int vers,
                        char *name,
                        struct audio_driver *driver,
                        int driver_size,
                        int flags,
                        unsigned int format_mask,
                        void *devc,
                        int dma1,
                        int dma2)
{
  struct audio_driver *d;
  struct audio_operations *op;
  int             l, num;
 
  if (num_audiodevs >= MAX_AUDIO_DEV)
    {
      printk ("Sound: Too many audio drivers\n");
      return -(EIO);
    }
 
  if (vers != AUDIO_DRIVER_VERSION ||
      driver_size > sizeof (struct audio_driver))
    {
      printk ("Sound: Incompatible audio driver for %s\n", name);
      return -(EIO);
    }
 
 
  d = (struct audio_driver *) (sound_mem_blocks[sound_nblocks] = vmalloc (sizeof (struct audio_driver)));
 
  if (sound_nblocks < 1024)
    sound_nblocks++;;
 
  op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc (sizeof (struct audio_operations)));
 
  if (sound_nblocks < 1024)
    sound_nblocks++;;
  if (d == NULL || op == NULL)
    {
      printk ("Sound: Can't allocate driver for (%s)\n", name);
      return -(ENOSPC);
    }
 
  memset ((char *) op, 0, sizeof (struct audio_operations));
  if (driver_size < sizeof (struct audio_driver))
                    memset ((char *) d, 0, sizeof (struct audio_driver));
 
  memcpy ((char *) d, (char *) driver, driver_size);
 
  op->d = d;
 
  l = strlen (name) + 1;
  if (l > sizeof (op->name))
    l = sizeof (op->name);
  strncpy (op->name, name, l);
  op->name[l - 1] = 0;
  op->flags = flags;
  op->format_mask = format_mask;
  op->devc = devc;
  op->dmachan1 = dma1;
  op->dmachan2 = dma2;
 
/*
 *    Hardcoded defaults
 */
  op->buffsize = DSP_BUFFSIZE;
 
  audio_devs[num_audiodevs] = op;
  num = num_audiodevs++;
 
  DMAbuf_init ();
  audio_init ();
  return num;
}
 
int
sound_install_mixer (int vers,
                     char *name,
                     struct mixer_operations *driver,
                     int driver_size,
                     void *devc)
{
  struct mixer_operations *op;
  int             l;
 
  if (num_mixers >= MAX_MIXER_DEV)
    {
      printk ("Sound: Too many mixer drivers\n");
      return -(EIO);
    }
 
  if (vers != MIXER_DRIVER_VERSION ||
      driver_size > sizeof (struct mixer_operations))
    {
      printk ("Sound: Incompatible mixer driver for %s\n", name);
      return -(EIO);
    }
 
 
  op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc (sizeof (struct mixer_operations)));
 
  if (sound_nblocks < 1024)
    sound_nblocks++;;
  if (op == NULL)
    {
      printk ("Sound: Can't allocate mixer driver for (%s)\n", name);
      return -(ENOSPC);
    }
 
  memset ((char *) op, 0, sizeof (struct mixer_operations));
 
  memcpy ((char *) op, (char *) driver, driver_size);
 
  l = strlen (name) + 1;
  if (l > sizeof (op->name))
    l = sizeof (op->name);
  strncpy (op->name, name, l);
  op->name[l - 1] = 0;
  op->devc = devc;
 
  mixer_devs[num_mixers] = op;
  return num_mixers++;
}

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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [sound/] [dev_table.c] - Blame information for rev 1626

Line No.	Rev	Author	Line
1	1626	jcastillo	`/*`
2			`* sound/dev_table.c`
3			`*`
4			`* Device call tables.`
5			`*/`
6			`/*`
7			`* Copyright (C) by Hannu Savolainen 1993-1996`
8			`*`
9			`* USS/Lite for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)`
10			`* Version 2 (June 1991). See the "COPYING" file distributed with this software`
11			`* for more info.`
12			`*/`
13			`#include <linux/config.h>`
14
15
16			`#define _DEV_TABLE_C_`
17			`#include "sound_config.h"`
18
19			`int sound_started = 0;`
20
21			`int sndtable_get_cardcount (void);`
22
23			`int`
24			`snd_find_driver (int type)`
25			`{`
26			`int i, n = num_sound_drivers;`
27
28			`for (i = 0; i < n; i++)`
29			`if (sound_drivers[i].card_type == type)`
30			`return i;`
31
32			`return -1;`
33			`}`
34
35			`static void`
36			`start_services (void)`
37			`{`
38			`int soundcards_installed;`
39
40			`if (!(soundcards_installed = sndtable_get_cardcount ()))`
41			`return; /* No cards detected */`
42
43			`#ifdef CONFIG_AUDIO`
44			`if (num_audiodevs) /* Audio devices present */`
45			`{`
46			`DMAbuf_init ();`
47			`audio_init ();`
48			`}`
49			`#endif`
50
51			`#ifdef CONFIG_MIDI`
52			`if (num_midis)`
53			`MIDIbuf_init ();`
54			`#endif`
55
56			`#ifdef CONFIG_SEQUENCER`
57			`if (num_midis + num_synths)`
58			`sequencer_init ();`
59			`#endif`
60			`return;`
61			`}`
62
63			`static void`
64			`start_cards (void)`
65			`{`
66			`int i, n = num_sound_cards;`
67			`int drv;`
68
69			`sound_started = 1;`
70			`if (trace_init)`
71			`printk ("Sound initialization started\n");`
72
73			`/*`
74			`* Check the number of cards actually defined in the table`
75			`*/`
76
77			`for (i = 0; i < n && snd_installed_cards[i].card_type; i++)`
78			`num_sound_cards = i + 1;`
79
80			`for (i = 0; i < n && snd_installed_cards[i].card_type; i++)`
81			`if (snd_installed_cards[i].enabled)`
82			`{`
83			`snd_installed_cards[i].for_driver_use = NULL;`
84
85			`if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) == -1)`
86			`{`
87			`snd_installed_cards[i].enabled = 0; /*`
88			`* Mark as not detected`
89			`*/`
90			`continue;`
91			`}`
92
93			`snd_installed_cards[i].config.card_subtype =`
94			`sound_drivers[drv].card_subtype;`
95
96			`if (sound_drivers[drv].probe (&snd_installed_cards[i].config))`
97			`{`
98
99			`sound_drivers[drv].attach (&snd_installed_cards[i].config);`
100
101			`}`
102			`else`
103			`snd_installed_cards[i].enabled = 0; /*`
104			`* Mark as not detected`
105			`*/`
106			`}`
107
108			`if (trace_init)`
109			`printk ("Sound initialization complete\n");`
110			`}`
111
112			`void`
113			`sndtable_init (void)`
114			`{`
115			`return start_cards ();`
116			`}`
117
118			`void`
119			`sound_unload_drivers (void)`
120			`{`
121			`int i, n = num_sound_cards;`
122			`int drv;`
123
124			`if (!sound_started)`
125			`return;`
126
127			`if (trace_init)`
128			`printk ("Sound unload started\n");`
129
130			`for (i = 0; i < n && snd_installed_cards[i].card_type; i++)`
131			`if (snd_installed_cards[i].enabled)`
132			`if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) != -1)`
133			`if (sound_drivers[drv].unload)`
134			`{`
135			`sound_drivers[drv].unload (&snd_installed_cards[i].config);`
136			`snd_installed_cards[i].enabled = 0;`
137			`}`
138
139			`if (trace_init)`
140			`printk ("Sound unload complete\n");`
141			`}`
142
143			`void`
144			`sound_unload_driver (int type)`
145			`{`
146			`int i, drv = -1, n = num_sound_cards;`
147
148			`unsigned long flags;`
149
150			`DDB (printk ("unload driver %d: ", type));`
151
152			`for (i = 0; i < n && snd_installed_cards[i].card_type; i++)`
153			`if (snd_installed_cards[i].card_type == type)`
154			`{`
155			`if (snd_installed_cards[i].enabled)`
156			`{`
157			`if ((drv = snd_find_driver (type)) != -1)`
158			`{`
159			`DDB (printk (" card %d", i));`
160			`if (sound_drivers[drv].unload)`
161			`{`
162			`sound_drivers[drv].unload (&snd_installed_cards[i].config);`
163			`snd_installed_cards[i].enabled = 0;`
164			`}`
165			`}`
166			`}`
167			`}`
168			`DDB (printk ("\n"));`
169
170			`save_flags (flags);`
171			`cli ();`
172
173			`restore_flags (flags);`
174			`}`
175
176
177			`int`
178			`sndtable_probe (int unit, struct address_info *hw_config)`
179			`{`
180			`int sel = -1;`
181
182			`DDB (printk ("sndtable_probe(%d)\n", unit));`
183
184			`if (!unit)`
185			`return TRUE;`
186
187			`sound_started = 1;`
188
189
190			`if (sel == -1 && num_sound_cards < max_sound_cards)`
191			`{`
192			`int i;`
193
194			`i = sel = (num_sound_cards++);`
195
196			`snd_installed_cards[sel].card_type = unit;`
197			`snd_installed_cards[sel].enabled = 1;`
198			`}`
199
200			`if (sel != -1)`
201			`{`
202			`int drv;`
203
204			`snd_installed_cards[sel].for_driver_use = NULL;`
205			`snd_installed_cards[sel].config.io_base = hw_config->io_base;`
206			`snd_installed_cards[sel].config.irq = hw_config->irq;`
207			`snd_installed_cards[sel].config.dma = hw_config->dma;`
208			`snd_installed_cards[sel].config.dma2 = hw_config->dma2;`
209			`snd_installed_cards[sel].config.name = hw_config->name;`
210			`snd_installed_cards[sel].config.always_detect = hw_config->always_detect;`
211			`snd_installed_cards[sel].config.driver_use_1 = hw_config->driver_use_1;`
212			`snd_installed_cards[sel].config.driver_use_2 = hw_config->driver_use_2;`
213			`snd_installed_cards[sel].config.card_subtype = hw_config->card_subtype;`
214			`snd_installed_cards[sel].config.osp = hw_config->osp;`
215
216			`if ((drv = snd_find_driver (snd_installed_cards[sel].card_type)) == -1)`
217			`{`
218			`snd_installed_cards[sel].enabled = 0;`
219			`DDB (printk ("Failed to find driver\n"));`
220			`return FALSE;`
221			`}`
222			`DDB (printk ("Driver name '%s'\n", sound_drivers[drv].name));`
223
224			`hw_config->card_subtype =`
225			`snd_installed_cards[sel].config.card_subtype =`
226			`sound_drivers[drv].card_subtype;`
227
228			`if (sound_drivers[drv].probe (hw_config))`
229			`{`
230			`DDB (printk ("Hardware probed OK\n"));`
231			`return TRUE;`
232			`}`
233
234			`DDB (printk ("Failed to find hardware\n"));`
235			`snd_installed_cards[sel].enabled = 0; /*`
236			`* Mark as not detected`
237			`*/`
238			`return FALSE;`
239			`}`
240
241			`return FALSE;`
242			`}`
243
244			`int`
245			`sndtable_start_card (int unit, struct address_info *hw_config)`
246			`{`
247			`int sel = -1;`
248
249			`DDB (printk ("sndtable_probe(%d)\n", unit));`
250
251			`if (!unit)`
252			`return TRUE;`
253
254			`sound_started = 1;`
255
256			`if (sel == -1 && num_sound_cards < max_sound_cards)`
257			`{`
258			`int i;`
259
260			`i = sel = (num_sound_cards++);`
261
262			`snd_installed_cards[sel].card_type = unit;`
263			`snd_installed_cards[sel].enabled = 1;`
264			`}`
265
266			`if (sel != -1)`
267			`{`
268			`int drv;`
269
270			`snd_installed_cards[sel].for_driver_use = NULL;`
271			`snd_installed_cards[sel].config.io_base = hw_config->io_base;`
272			`snd_installed_cards[sel].config.irq = hw_config->irq;`
273			`snd_installed_cards[sel].config.dma = hw_config->dma;`
274			`snd_installed_cards[sel].config.dma2 = hw_config->dma2;`
275			`snd_installed_cards[sel].config.name = hw_config->name;`
276			`snd_installed_cards[sel].config.always_detect = hw_config->always_detect;`
277			`snd_installed_cards[sel].config.driver_use_1 = hw_config->driver_use_1;`
278			`snd_installed_cards[sel].config.driver_use_2 = hw_config->driver_use_2;`
279			`snd_installed_cards[sel].config.card_subtype = hw_config->card_subtype;`
280			`snd_installed_cards[sel].config.osp = hw_config->osp;`
281
282			`if ((drv = snd_find_driver (snd_installed_cards[sel].card_type)) == -1)`
283			`{`
284			`snd_installed_cards[sel].enabled = 0;`
285			`DDB (printk ("Failed to find driver\n"));`
286			`return FALSE;`
287			`}`
288			`DDB (printk ("Driver name '%s'\n", sound_drivers[drv].name));`
289
290			`hw_config->card_subtype =`
291			`snd_installed_cards[sel].config.card_subtype =`
292			`sound_drivers[drv].card_subtype;`
293
294			`if (sound_drivers[drv].probe (hw_config))`
295			`{`
296			`DDB (printk ("Hardware probed OK\n"));`
297			`sound_drivers[drv].attach (hw_config);`
298			`start_services ();`
299			`return TRUE;`
300			`}`
301
302			`DDB (printk ("Failed to find hardware\n"));`
303			`snd_installed_cards[sel].enabled = 0; /*`
304			`* Mark as not detected`
305			`*/`
306			`return FALSE;`
307			`}`
308
309			`return FALSE;`
310			`}`
311
312			`int`
313			`sndtable_init_card (int unit, struct address_info *hw_config)`
314			`{`
315			`int i, n = num_sound_cards;`
316
317			`DDB (printk ("sndtable_init_card(%d) entered\n", unit));`
318
319			`if (!unit)`
320			`{`
321			`sndtable_init ();`
322			`return TRUE;`
323			`}`
324
325			`for (i = 0; i < n && snd_installed_cards[i].card_type; i++)`
326			`if (snd_installed_cards[i].card_type == unit)`
327			`{`
328			`int drv;`
329
330			`snd_installed_cards[i].config.io_base = hw_config->io_base;`
331			`snd_installed_cards[i].config.irq = hw_config->irq;`
332			`snd_installed_cards[i].config.dma = hw_config->dma;`
333			`snd_installed_cards[i].config.dma2 = hw_config->dma2;`
334			`snd_installed_cards[i].config.name = hw_config->name;`
335			`snd_installed_cards[i].config.always_detect = hw_config->always_detect;`
336			`snd_installed_cards[i].config.driver_use_1 = hw_config->driver_use_1;`
337			`snd_installed_cards[i].config.driver_use_2 = hw_config->driver_use_2;`
338			`snd_installed_cards[i].config.card_subtype = hw_config->card_subtype;`
339			`snd_installed_cards[i].config.osp = hw_config->osp;`
340
341			`if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) == -1)`
342			`snd_installed_cards[i].enabled = 0; /*`
343			`* Mark as not detected`
344			`*/`
345			`else`
346			`{`
347
348			`DDB (printk ("Located card - calling attach routine\n"));`
349			`sound_drivers[drv].attach (hw_config);`
350
351			`DDB (printk ("attach routine finished\n"));`
352			`}`
353			`start_services ();`
354			`return TRUE;`
355			`}`
356
357			`DDB (printk ("sndtable_init_card: No card defined with type=%d, num cards: %d\n",`
358			`unit, num_sound_cards));`
359			`return FALSE;`
360			`}`
361
362			`int`
363			`sndtable_get_cardcount (void)`
364			`{`
365			`return num_audiodevs + num_mixers + num_synths + num_midis;`
366			`}`
367
368			`int`
369			`sndtable_identify_card (char *name)`
370			`{`
371			`int i, n = num_sound_drivers;`
372
373			`if (name == NULL)`
374			`return 0;`
375
376			`for (i = 0; i < n; i++)`
377			`if (sound_drivers[i].driver_id != NULL)`
378			`{`
379			`char *id = sound_drivers[i].driver_id;`
380			`int j;`
381
382			`for (j = 0; j < 80 && name[j] == id[j]; j++)`
383			`if (id[j] == 0 && name[j] == 0) /* Match */`
384			`return sound_drivers[i].card_type;`
385			`}`
386
387			`return 0;`
388			`}`
389
390			`void`
391			`sound_setup (char str, int ints)`
392			`{`
393			`int i, n = num_sound_cards;`
394
395			`/*`
396			`* First disable all drivers`
397			`*/`
398
399			`for (i = 0; i < n && snd_installed_cards[i].card_type; i++)`
400			`snd_installed_cards[i].enabled = 0;`
401
402			`if (ints[0] == 0 \|\| ints[1] == 0)`
403			`return;`
404			`/*`
405			`* Then enable them one by time`
406			`*/`
407
408			`for (i = 1; i <= ints[0]; i++)`
409			`{`
410			`int card_type, ioaddr, irq, dma, dma2, ptr, j;`
411			`unsigned int val;`
412
413			`val = (unsigned int) ints[i];`
414
415			`card_type = (val & 0x0ff00000) >> 20;`
416
417			`if (card_type > 127)`
418			`{`
419			`/*`
420			`* Add any future extensions here`
421			`*/`
422			`return;`
423			`}`
424
425			`ioaddr = (val & 0x000fff00) >> 8;`
426			`irq = (val & 0x000000f0) >> 4;`
427			`dma = (val & 0x0000000f);`
428			`dma2 = (val & 0xf0000000) >> 28;`
429
430			`ptr = -1;`
431			`for (j = 0; j < n && ptr == -1; j++)`
432			`if (snd_installed_cards[j].card_type == card_type &&`
433			`!snd_installed_cards[j].enabled) /*`
434			`* Not already found`
435			`*/`
436			`ptr = j;`
437
438			`if (ptr == -1)`
439			`printk ("Sound: Invalid setup parameter 0x%08x\n", val);`
440			`else`
441			`{`
442			`snd_installed_cards[ptr].enabled = 1;`
443			`snd_installed_cards[ptr].config.io_base = ioaddr;`
444			`snd_installed_cards[ptr].config.irq = irq;`
445			`snd_installed_cards[ptr].config.dma = dma;`
446			`snd_installed_cards[ptr].config.dma2 = dma2;`
447			`snd_installed_cards[ptr].config.name = NULL;`
448			`snd_installed_cards[ptr].config.always_detect = 0;`
449			`snd_installed_cards[ptr].config.driver_use_1 = 0;`
450			`snd_installed_cards[ptr].config.driver_use_2 = 0;`
451			`snd_installed_cards[ptr].config.card_subtype = 0;`
452			`snd_installed_cards[ptr].config.osp = NULL;`
453			`}`
454			`}`
455			`}`
456
457
458			`struct address_info`
459			`*`
460			`sound_getconf (int card_type)`
461			`{`
462			`int j, ptr;`
463			`int n = num_sound_cards;`
464
465			`ptr = -1;`
466			`for (j = 0; j < n && ptr == -1 && snd_installed_cards[j].card_type; j++)`
467			`if (snd_installed_cards[j].card_type == card_type)`
468			`ptr = j;`
469
470			`if (ptr == -1)`
471			`return (struct address_info *) NULL;`
472
473			`return &snd_installed_cards[ptr].config;`
474			`}`
475
476
477
478			`int`
479			`sound_install_audiodrv (int vers,`
480			`char *name,`
481			`struct audio_driver *driver,`
482			`int driver_size,`
483			`int flags,`
484			`unsigned int format_mask,`
485			`void *devc,`
486			`int dma1,`
487			`int dma2)`
488			`{`
489			`struct audio_driver *d;`
490			`struct audio_operations *op;`
491			`int l, num;`
492
493			`if (num_audiodevs >= MAX_AUDIO_DEV)`
494			`{`
495			`printk ("Sound: Too many audio drivers\n");`
496			`return -(EIO);`
497			`}`
498
499			`if (vers != AUDIO_DRIVER_VERSION \|\|`
500			`driver_size > sizeof (struct audio_driver))`
501			`{`
502			`printk ("Sound: Incompatible audio driver for %s\n", name);`
503			`return -(EIO);`
504			`}`
505
506
507			`d = (struct audio_driver *) (sound_mem_blocks[sound_nblocks] = vmalloc (sizeof (struct audio_driver)));`
508
509			`if (sound_nblocks < 1024)`
510			`sound_nblocks++;;`
511
512			`op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc (sizeof (struct audio_operations)));`
513
514			`if (sound_nblocks < 1024)`
515			`sound_nblocks++;;`
516			`if (d == NULL \|\| op == NULL)`
517			`{`
518			`printk ("Sound: Can't allocate driver for (%s)\n", name);`
519			`return -(ENOSPC);`
520			`}`
521
522			`memset ((char *) op, 0, sizeof (struct audio_operations));`
523			`if (driver_size < sizeof (struct audio_driver))`
524			`memset ((char *) d, 0, sizeof (struct audio_driver));`
525
526			`memcpy ((char ) d, (char ) driver, driver_size);`
527
528			`op->d = d;`
529
530			`l = strlen (name) + 1;`
531			`if (l > sizeof (op->name))`
532			`l = sizeof (op->name);`
533			`strncpy (op->name, name, l);`
534			`op->name[l - 1] = 0;`
535			`op->flags = flags;`
536			`op->format_mask = format_mask;`
537			`op->devc = devc;`
538			`op->dmachan1 = dma1;`
539			`op->dmachan2 = dma2;`
540
541			`/*`
542			`* Hardcoded defaults`
543			`*/`
544			`op->buffsize = DSP_BUFFSIZE;`
545
546			`audio_devs[num_audiodevs] = op;`
547			`num = num_audiodevs++;`
548
549			`DMAbuf_init ();`
550			`audio_init ();`
551			`return num;`
552			`}`
553
554			`int`
555			`sound_install_mixer (int vers,`
556			`char *name,`
557			`struct mixer_operations *driver,`
558			`int driver_size,`
559			`void *devc)`
560			`{`
561			`struct mixer_operations *op;`
562			`int l;`
563
564			`if (num_mixers >= MAX_MIXER_DEV)`
565			`{`
566			`printk ("Sound: Too many mixer drivers\n");`
567			`return -(EIO);`
568			`}`
569
570			`if (vers != MIXER_DRIVER_VERSION \|\|`
571			`driver_size > sizeof (struct mixer_operations))`
572			`{`
573			`printk ("Sound: Incompatible mixer driver for %s\n", name);`
574			`return -(EIO);`
575			`}`
576
577
578			`op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc (sizeof (struct mixer_operations)));`
579
580			`if (sound_nblocks < 1024)`
581			`sound_nblocks++;;`
582			`if (op == NULL)`
583			`{`
584			`printk ("Sound: Can't allocate mixer driver for (%s)\n", name);`
585			`return -(ENOSPC);`
586			`}`
587
588			`memset ((char *) op, 0, sizeof (struct mixer_operations));`
589
590			`memcpy ((char ) op, (char ) driver, driver_size);`
591
592			`l = strlen (name) + 1;`
593			`if (l > sizeof (op->name))`
594			`l = sizeof (op->name);`
595			`strncpy (op->name, name, l);`
596			`op->name[l - 1] = 0;`
597			`op->devc = devc;`
598
599			`mixer_devs[num_mixers] = op;`
600			`return num_mixers++;`
601			`}`