URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [armnommu/] [drivers/] [sound/] [vidc_mixer.c] - Blame information for rev 1765

Details | Compare with Previous | View Log


/*
 * sound/vidc_mixer.c
 *
 * Mixer routines for VIDC
 *
 * Copyright (C) 1997 Russell King
 */
#include <linux/config.h>
#include "sound_config.h"
 
#include "vidc.h"
 
#if defined(CONFIG_VIDC)
 
int vidc_volume;
 
static int
vidc_get_volume (void)
{
  return vidc_volume;
}
 
static int
vidc_set_volume (int newvol)
{
  vidc_volume = newvol;
/*  printk ("vidc_set_volume: %X\n", newvol);*/
  return newvol;
}
 
static int
vidc_default_mixer_ioctl (int dev, unsigned int cmd, caddr_t arg)
{
  switch (cmd) {
  case SOUND_MIXER_READ_VOLUME:
    return snd_ioctl_return ((int *)arg, vidc_get_volume ());
 
  case SOUND_MIXER_WRITE_VOLUME:
    return snd_ioctl_return ((int *)arg, vidc_set_volume (get_user ((int *)arg)));
 
  case SOUND_MIXER_READ_BASS:
  case SOUND_MIXER_WRITE_BASS:
  case SOUND_MIXER_READ_TREBLE:
  case SOUND_MIXER_WRITE_TREBLE:
    return snd_ioctl_return ((int *)arg, 50);
 
  case SOUND_MIXER_READ_SYNTH:
    return snd_ioctl_return ((int *)arg, vidc_synth_get_volume ());
 
  case SOUND_MIXER_WRITE_SYNTH:
    return snd_ioctl_return ((int *)arg, vidc_synth_set_volume (get_user ((int *)arg)));
 
  case SOUND_MIXER_READ_PCM:
    return snd_ioctl_return ((int *)arg, vidc_audio_get_volume ());
 
  case SOUND_MIXER_WRITE_PCM:
    return snd_ioctl_return ((int *)arg, vidc_audio_set_volume (get_user ((int *)arg)));
 
  case SOUND_MIXER_READ_SPEAKER:
    return snd_ioctl_return ((int *)arg, 100);
 
  case SOUND_MIXER_WRITE_SPEAKER:
    return snd_ioctl_return ((int *)arg, 100);
 
  case SOUND_MIXER_READ_LINE:
  case SOUND_MIXER_WRITE_LINE:
  case SOUND_MIXER_READ_MIC:
  case SOUND_MIXER_WRITE_MIC:
    return snd_ioctl_return ((int *)arg, 0);
 
  case SOUND_MIXER_READ_CD:
  case SOUND_MIXER_WRITE_CD:
    return snd_ioctl_return ((int *)arg, 100 | (100 << 8));
 
  case SOUND_MIXER_READ_IMIX:
  case SOUND_MIXER_WRITE_IMIX:
  case SOUND_MIXER_READ_ALTPCM:
  case SOUND_MIXER_WRITE_ALTPCM:
  case SOUND_MIXER_READ_LINE1:
  case SOUND_MIXER_WRITE_LINE1:
  case SOUND_MIXER_READ_LINE2:
  case SOUND_MIXER_WRITE_LINE2:
  case SOUND_MIXER_READ_LINE3:
  case SOUND_MIXER_WRITE_LINE3:
    return snd_ioctl_return ((int *)arg, 0);
 
  case SOUND_MIXER_READ_RECSRC:
    return snd_ioctl_return ((int *)arg, 0);
 
  case SOUND_MIXER_WRITE_RECSRC:
    return snd_ioctl_return ((int *)arg, -EINVAL);
 
  case SOUND_MIXER_READ_DEVMASK:
    return snd_ioctl_return ((int *)arg, SOUND_MASK_VOLUME | SOUND_MASK_PCM | SOUND_MASK_SYNTH);
 
  case SOUND_MIXER_READ_RECMASK:
    return snd_ioctl_return ((int *)arg, 0);
 
  case SOUND_MIXER_READ_STEREODEVS:
    return snd_ioctl_return ((int *)arg, SOUND_MASK_VOLUME | SOUND_MASK_PCM | SOUND_MASK_SYNTH);
 
  case SOUND_MIXER_READ_CAPS:
    return snd_ioctl_return ((int *)arg, 0);
 
  case SOUND_MIXER_READ_MUTE:
    return snd_ioctl_return ((int *)arg, -EINVAL);
 
  default:
    return snd_ioctl_return ((int *)arg, -EINVAL);
  }
}
 
static struct mixer_operations vidc_mixer_operations =
{
  "VIDC",
  "VIDCsound",
  vidc_default_mixer_ioctl      /* ioctl                */
};
 
void
vidc_mixer_init (struct address_info *hw_config)
{
  vidc_volume = 100 | (100 << 8);
  if (num_mixers < MAX_MIXER_DEV)
    mixer_devs[num_mixers++] = &vidc_mixer_operations;
}
 
#endif

Line No.	Rev	Author	Line
1	199	simons	`/*`
2			`* sound/vidc_mixer.c`
3			`*`
4			`* Mixer routines for VIDC`
5			`*`
6			`* Copyright (C) 1997 Russell King`
7			`*/`
8			`#include <linux/config.h>`
9			`#include "sound_config.h"`
10
11			`#include "vidc.h"`
12
13			`#if defined(CONFIG_VIDC)`
14
15			`int vidc_volume;`
16
17			`static int`
18			`vidc_get_volume (void)`
19			`{`
20			`return vidc_volume;`
21			`}`
22
23			`static int`
24			`vidc_set_volume (int newvol)`
25			`{`
26			`vidc_volume = newvol;`
27			`/* printk ("vidc_set_volume: %X\n", newvol);*/`
28			`return newvol;`
29			`}`
30
31			`static int`
32			`vidc_default_mixer_ioctl (int dev, unsigned int cmd, caddr_t arg)`
33			`{`
34			`switch (cmd) {`
35			`case SOUND_MIXER_READ_VOLUME:`
36			`return snd_ioctl_return ((int *)arg, vidc_get_volume ());`
37
38			`case SOUND_MIXER_WRITE_VOLUME:`
39			`return snd_ioctl_return ((int )arg, vidc_set_volume (get_user ((int )arg)));`
40
41			`case SOUND_MIXER_READ_BASS:`
42			`case SOUND_MIXER_WRITE_BASS:`
43			`case SOUND_MIXER_READ_TREBLE:`
44			`case SOUND_MIXER_WRITE_TREBLE:`
45			`return snd_ioctl_return ((int *)arg, 50);`
46
47			`case SOUND_MIXER_READ_SYNTH:`
48			`return snd_ioctl_return ((int *)arg, vidc_synth_get_volume ());`
49
50			`case SOUND_MIXER_WRITE_SYNTH:`
51			`return snd_ioctl_return ((int )arg, vidc_synth_set_volume (get_user ((int )arg)));`
52
53			`case SOUND_MIXER_READ_PCM:`
54			`return snd_ioctl_return ((int *)arg, vidc_audio_get_volume ());`
55
56			`case SOUND_MIXER_WRITE_PCM:`
57			`return snd_ioctl_return ((int )arg, vidc_audio_set_volume (get_user ((int )arg)));`
58
59			`case SOUND_MIXER_READ_SPEAKER:`
60			`return snd_ioctl_return ((int *)arg, 100);`
61
62			`case SOUND_MIXER_WRITE_SPEAKER:`
63			`return snd_ioctl_return ((int *)arg, 100);`
64
65			`case SOUND_MIXER_READ_LINE:`
66			`case SOUND_MIXER_WRITE_LINE:`
67			`case SOUND_MIXER_READ_MIC:`
68			`case SOUND_MIXER_WRITE_MIC:`
69			`return snd_ioctl_return ((int *)arg, 0);`
70
71			`case SOUND_MIXER_READ_CD:`
72			`case SOUND_MIXER_WRITE_CD:`
73			`return snd_ioctl_return ((int *)arg, 100 \| (100 << 8));`
74
75			`case SOUND_MIXER_READ_IMIX:`
76			`case SOUND_MIXER_WRITE_IMIX:`
77			`case SOUND_MIXER_READ_ALTPCM:`
78			`case SOUND_MIXER_WRITE_ALTPCM:`
79			`case SOUND_MIXER_READ_LINE1:`
80			`case SOUND_MIXER_WRITE_LINE1:`
81			`case SOUND_MIXER_READ_LINE2:`
82			`case SOUND_MIXER_WRITE_LINE2:`
83			`case SOUND_MIXER_READ_LINE3:`
84			`case SOUND_MIXER_WRITE_LINE3:`
85			`return snd_ioctl_return ((int *)arg, 0);`
86
87			`case SOUND_MIXER_READ_RECSRC:`
88			`return snd_ioctl_return ((int *)arg, 0);`
89
90			`case SOUND_MIXER_WRITE_RECSRC:`
91			`return snd_ioctl_return ((int *)arg, -EINVAL);`
92
93			`case SOUND_MIXER_READ_DEVMASK:`
94			`return snd_ioctl_return ((int *)arg, SOUND_MASK_VOLUME \| SOUND_MASK_PCM \| SOUND_MASK_SYNTH);`
95
96			`case SOUND_MIXER_READ_RECMASK:`
97			`return snd_ioctl_return ((int *)arg, 0);`
98
99			`case SOUND_MIXER_READ_STEREODEVS:`
100			`return snd_ioctl_return ((int *)arg, SOUND_MASK_VOLUME \| SOUND_MASK_PCM \| SOUND_MASK_SYNTH);`
101
102			`case SOUND_MIXER_READ_CAPS:`
103			`return snd_ioctl_return ((int *)arg, 0);`
104
105			`case SOUND_MIXER_READ_MUTE:`
106			`return snd_ioctl_return ((int *)arg, -EINVAL);`
107
108			`default:`
109			`return snd_ioctl_return ((int *)arg, -EINVAL);`
110			`}`
111			`}`
112
113			`static struct mixer_operations vidc_mixer_operations =`
114			`{`
115			`"VIDC",`
116			`"VIDCsound",`
117			`vidc_default_mixer_ioctl /* ioctl */`
118			`};`
119
120			`void`
121			`vidc_mixer_init (struct address_info *hw_config)`
122			`{`
123			`vidc_volume = 100 \| (100 << 8);`
124			`if (num_mixers < MAX_MIXER_DEV)`
125			`mixer_devs[num_mixers++] = &vidc_mixer_operations;`
126			`}`
127
128			`#endif`

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [armnommu/] [drivers/] [sound/] [vidc_mixer.c] - Blame information for rev 1765