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-rw-r--r--sound/oss/ics2101.c247
1 files changed, 0 insertions, 247 deletions
diff --git a/sound/oss/ics2101.c b/sound/oss/ics2101.c
deleted file mode 100644
index 45918df..0000000
--- a/sound/oss/ics2101.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * sound/oss/ics2101.c
- *
- * Driver for the ICS2101 mixer of GUS v3.7.
- *
- *
- * Copyright (C) by Hannu Savolainen 1993-1997
- *
- * OSS/Free 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.
- *
- *
- * Thomas Sailer : ioctl code reworked (vmalloc/vfree removed)
- * Bartlomiej Zolnierkiewicz : added __init to ics2101_mixer_init()
- */
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include "sound_config.h"
-
-#include <linux/ultrasound.h>
-
-#include "gus.h"
-#include "gus_hw.h"
-
-#define MIX_DEVS (SOUND_MASK_MIC|SOUND_MASK_LINE| \
- SOUND_MASK_SYNTH| \
- SOUND_MASK_CD | SOUND_MASK_VOLUME)
-
-extern int *gus_osp;
-extern int gus_base;
-extern spinlock_t gus_lock;
-static int volumes[ICS_MIXDEVS];
-static int left_fix[ICS_MIXDEVS] =
-{1, 1, 1, 2, 1, 2};
-static int right_fix[ICS_MIXDEVS] =
-{2, 2, 2, 1, 2, 1};
-
-static int scale_vol(int vol)
-{
- /*
- * Experimental volume scaling by Risto Kankkunen.
- * This should give smoother volume response than just
- * a plain multiplication.
- */
-
- int e;
-
- if (vol < 0)
- vol = 0;
- if (vol > 100)
- vol = 100;
- vol = (31 * vol + 50) / 100;
- e = 0;
- if (vol)
- {
- while (vol < 16)
- {
- vol <<= 1;
- e--;
- }
- vol -= 16;
- e += 7;
- }
- return ((e << 4) + vol);
-}
-
-static void write_mix(int dev, int chn, int vol)
-{
- int *selector;
- unsigned long flags;
- int ctrl_addr = dev << 3;
- int attn_addr = dev << 3;
-
- vol = scale_vol(vol);
-
- if (chn == CHN_LEFT)
- {
- selector = left_fix;
- ctrl_addr |= 0x00;
- attn_addr |= 0x02;
- }
- else
- {
- selector = right_fix;
- ctrl_addr |= 0x01;
- attn_addr |= 0x03;
- }
-
- spin_lock_irqsave(&gus_lock, flags);
- outb((ctrl_addr), u_MixSelect);
- outb((selector[dev]), u_MixData);
- outb((attn_addr), u_MixSelect);
- outb(((unsigned char) vol), u_MixData);
- spin_unlock_irqrestore(&gus_lock,flags);
-}
-
-static int set_volumes(int dev, int vol)
-{
- int left = vol & 0x00ff;
- int right = (vol >> 8) & 0x00ff;
-
- if (left < 0)
- left = 0;
- if (left > 100)
- left = 100;
- if (right < 0)
- right = 0;
- if (right > 100)
- right = 100;
-
- write_mix(dev, CHN_LEFT, left);
- write_mix(dev, CHN_RIGHT, right);
-
- vol = left + (right << 8);
- volumes[dev] = vol;
- return vol;
-}
-
-static int ics2101_mixer_ioctl(int dev, unsigned int cmd, void __user *arg)
-{
- int val;
-
- if (((cmd >> 8) & 0xff) == 'M') {
- if (_SIOC_DIR(cmd) & _SIOC_WRITE) {
-
- if (get_user(val, (int __user *)arg))
- return -EFAULT;
- switch (cmd & 0xff) {
- case SOUND_MIXER_RECSRC:
- return gus_default_mixer_ioctl(dev, cmd, arg);
-
- case SOUND_MIXER_MIC:
- val = set_volumes(DEV_MIC, val);
- break;
-
- case SOUND_MIXER_CD:
- val = set_volumes(DEV_CD, val);
- break;
-
- case SOUND_MIXER_LINE:
- val = set_volumes(DEV_LINE, val);
- break;
-
- case SOUND_MIXER_SYNTH:
- val = set_volumes(DEV_GF1, val);
- break;
-
- case SOUND_MIXER_VOLUME:
- val = set_volumes(DEV_VOL, val);
- break;
-
- default:
- return -EINVAL;
- }
- return put_user(val, (int __user *)arg);
- } else {
- switch (cmd & 0xff) {
- /*
- * Return parameters
- */
- case SOUND_MIXER_RECSRC:
- return gus_default_mixer_ioctl(dev, cmd, arg);
-
- case SOUND_MIXER_DEVMASK:
- val = MIX_DEVS;
- break;
-
- case SOUND_MIXER_STEREODEVS:
- val = SOUND_MASK_LINE | SOUND_MASK_CD | SOUND_MASK_SYNTH | SOUND_MASK_VOLUME | SOUND_MASK_MIC;
- break;
-
- case SOUND_MIXER_RECMASK:
- val = SOUND_MASK_MIC | SOUND_MASK_LINE;
- break;
-
- case SOUND_MIXER_CAPS:
- val = 0;
- break;
-
- case SOUND_MIXER_MIC:
- val = volumes[DEV_MIC];
- break;
-
- case SOUND_MIXER_LINE:
- val = volumes[DEV_LINE];
- break;
-
- case SOUND_MIXER_CD:
- val = volumes[DEV_CD];
- break;
-
- case SOUND_MIXER_VOLUME:
- val = volumes[DEV_VOL];
- break;
-
- case SOUND_MIXER_SYNTH:
- val = volumes[DEV_GF1];
- break;
-
- default:
- return -EINVAL;
- }
- return put_user(val, (int __user *)arg);
- }
- }
- return -EINVAL;
-}
-
-static struct mixer_operations ics2101_mixer_operations =
-{
- .owner = THIS_MODULE,
- .id = "ICS2101",
- .name = "ICS2101 Multimedia Mixer",
- .ioctl = ics2101_mixer_ioctl
-};
-
-int __init ics2101_mixer_init(void)
-{
- int i;
- int n;
-
- if ((n = sound_alloc_mixerdev()) != -1)
- {
- mixer_devs[n] = &ics2101_mixer_operations;
-
- /*
- * Some GUS v3.7 cards had some channels flipped. Disable
- * the flipping feature if the model id is other than 5.
- */
-
- if (inb(u_MixSelect) != 5)
- {
- for (i = 0; i < ICS_MIXDEVS; i++)
- left_fix[i] = 1;
- for (i = 0; i < ICS_MIXDEVS; i++)
- right_fix[i] = 2;
- }
- set_volumes(DEV_GF1, 0x5a5a);
- set_volumes(DEV_CD, 0x5a5a);
- set_volumes(DEV_MIC, 0x0000);
- set_volumes(DEV_LINE, 0x5a5a);
- set_volumes(DEV_VOL, 0x5a5a);
- set_volumes(DEV_UNUSED, 0x0000);
- }
- return n;
-}
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