summaryrefslogtreecommitdiff
path: root/tutorials/sndkit/sblive/ld10k.c
blob: d01dc2c3782e1d24b55fd83b81f237f0dd193096 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <sys/ioctl.h>

#include <soundcard.h>
#ifdef USERLAND
#define oss_native_word unsigned long
#define oss_mutex_t unsigned long
#define oss_device_t unsigned long
#define ac97_devc unsigned long
#define oss_midi_inputbyte_t char
#define uart401_devc unsigned long
typedef int oss_mutex;
typedef void *oss_dma_handle_t;
#else
#include "../../../kernel/framework/include/os.h"
#endif /* USERLAND */
#include "../../../kernel/drv/oss_sblive/sblive.h"

int work_done = 0;
int ossfd;
emu10k1_file fle;

static int
find_last_device (void)
{
  oss_sysinfo info;
  int mixerfd;

  if ((mixerfd = open ("/dev/mixer0", O_RDWR, 0)) == -1)
    {
      perror ("/dev/mixer0");
      return 0;
    }

  if (ioctl (mixerfd, SNDCTL_SYSINFO, &info) == -1)
    {
      perror ("SNDCTL_SYSINFO");
      exit (-1);
    }

  close (mixerfd);
  return info.numaudios - 1;
}

static void
touch_all_mixers (int ossfd)
{
  int i, n;

  for (i = 0; i < 16; i++)
    {
      n = i;
      if (ioctl (ossfd, SNDCTL_MIX_NREXT, &n) == -1)
	return;
    }
}

static void
do_download (void)
{
  int card_type;

  if (ioctl (ossfd, SBLIVE_GETCHIPTYPE, &card_type) == -1)
    {
      perror ("???");
      return;
    }

  if (card_type != fle.feature_mask)
    {
      fprintf (stderr, "Device/file incompatibility (%x/%x)\n", card_type,
	       fle.feature_mask);
      return;
    }

  if (ioctl (ossfd, SBLIVE_WRITECODE1, fle.code) == -1)
    {
      perror ("code1");
      return;
    }

  if (ioctl (ossfd, SBLIVE_WRITECODE2, fle.code + 512) == -1)
    {
      perror ("code2");
      return;
    }

  if (fle.parms.ngpr > 0)
    {
      if (ioctl (ossfd, SBLIVE_WRITEPARMS, &fle.parms) == -1)
	{
	  perror ("parms");
	  return;
	}

      touch_all_mixers (ossfd);
    }

  if (fle.consts.nconst > 0)
    {
      if (ioctl (ossfd, SBLIVE_WRITECONST, &fle.consts) == -1)
	{
	  perror ("consts");
	  return;
	}

    }
  work_done = 1;
}

static void
do_all_devices (void)
{
  int i, mixerfd;
  oss_sysinfo info;
  char dspname[100];

  if ((mixerfd = open ("/dev/mixer0", O_RDWR, 0)) == -1)
    {
      perror ("/dev/mixer");
      exit (-1);
    }

  if (ioctl (mixerfd, SNDCTL_SYSINFO, &info) == -1)
    {
      perror ("SNDCTL_SYSINFO");
      exit (-1);
    }

  for (i = 0; i < info.numaudios; i++)
    {
      oss_audioinfo ainfo;
      int acc;

      ainfo.dev = i;
      if (ioctl (mixerfd, SNDCTL_AUDIOINFO, &ainfo) == -1)
	{
	  perror ("SNDCTL_AUDIOINFO");
	  exit (-1);
	}

      if (ainfo.magic == fle.magic)
	{

	  sprintf (dspname, "/dev/dsp%d", i);
	  if ((ossfd = open (dspname, O_RDWR, 0)) == -1)
	    {
	      perror (dspname);
	      exit (-1);
	    }

	  do_download ();
	  close (ossfd);
	}
    }
  close (mixerfd);
}

int
main (int argc, char *argv[])
{
  int fd, dspnum = 0;
  char *dspname = "/dev/dsp", namebuf[32];

  if (argc < 2)
    {
      fprintf (stderr, "Usage: %s dspcodefile\n", argv[0]);
      exit (-1);
    }

  if ((fd = open (argv[1], O_RDONLY, 0)) == -1)
    {
      perror (argv[1]);
      exit (-1);
    }

  if (argc > 2)
    dspname = argv[2];

  if (read (fd, &fle, sizeof (fle)) != sizeof (fle))
    {
      fprintf (stderr, "Short file\n");
      exit (-1);
    }

  if (fle.magic != EMU10K1_MAGIC && fle.magic != EMU10K2_MAGIC)
    {
      fprintf (stderr, "Bad microcode file %s\n", argv[1]);
      exit (-1);
    }

  if (strcmp (dspname, "-a") == 0)
    {
      do_all_devices ();
      exit (0);
    }

  if (strcmp (dspname, "-l") == 0)
    {				/* Last /dev/dsp# file requested */
      dspnum = find_last_device ();
      sprintf (namebuf, "/dev/dsp%d", dspnum);
      dspname = namebuf;
    }

  if ((ossfd = open (dspname, O_RDWR, 0)) == -1)
    {
      perror (dspname);
      exit (-1);
    }

  do_download ();

  if (!work_done)
    exit (-1);
  exit (0);
}