diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1997-01-07 02:33:00 +0000 |
---|---|---|
committer | <ralf@linux-mips.org> | 1997-01-07 02:33:00 +0000 |
commit | beb116954b9b7f3bb56412b2494b562f02b864b1 (patch) | |
tree | 120e997879884e1b9d93b265221b939d2ef1ade1 /drivers/sound/ics2101.c | |
parent | 908d4681a1dc3792ecafbe64265783a86c4cccb6 (diff) |
Import of Linux/MIPS 2.1.14
Diffstat (limited to 'drivers/sound/ics2101.c')
-rw-r--r-- | drivers/sound/ics2101.c | 153 |
1 files changed, 71 insertions, 82 deletions
diff --git a/drivers/sound/ics2101.c b/drivers/sound/ics2101.c index c2522a32c..732c1c431 100644 --- a/drivers/sound/ics2101.c +++ b/drivers/sound/ics2101.c @@ -2,33 +2,19 @@ * sound/ics2101.c * * Driver for the ICS2101 mixer of GUS v3.7. + */ +/* + * Copyright (C) by Hannu Savolainen 1993-1996 * - * Copyright by Hannu Savolainen 1994 - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. 2. - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * + * 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. */ +#include <linux/config.h> + #include "sound_config.h" -#if defined(CONFIGURE_SOUNDCARD) && !defined(EXCLUDE_GUS) +#if defined(CONFIG_GUSHW) #include <linux/ultrasound.h> #include "gus_hw.h" @@ -37,6 +23,7 @@ SOUND_MASK_SYNTH| \ SOUND_MASK_CD | SOUND_MASK_VOLUME) +extern int *gus_osp; extern int gus_base; static int volumes[ICS_MIXDEVS]; static int left_fix[ICS_MIXDEVS] = @@ -47,12 +34,11 @@ static int right_fix[ICS_MIXDEVS] = static int scale_vol (int vol) { -#if 1 /* - * Experimental volume scaling by Risto Kankkunen. - * This should give smoother volume response than just - * a plain multiplication. - */ + * Experimental volume scaling by Risto Kankkunen. + * This should give smoother volume response than just + * a plain multiplication. + */ int e; if (vol < 0) @@ -72,9 +58,6 @@ scale_vol (int vol) e += 7; } return ((e << 4) + vol); -#else - return ((vol * 127) + 50) / 100; -#endif } static void @@ -100,12 +83,13 @@ write_mix (int dev, int chn, int vol) attn_addr |= 0x03; } - DISABLE_INTR (flags); - OUTB (ctrl_addr, u_MixSelect); - OUTB (selector[dev], u_MixData); - OUTB (attn_addr, u_MixSelect); - OUTB ((unsigned char) vol, u_MixData); - RESTORE_INTR (flags); + save_flags (flags); + cli (); + outb ((ctrl_addr), u_MixSelect); + outb ((selector[dev]), u_MixData); + outb ((attn_addr), u_MixSelect); + outb (((unsigned char) vol), u_MixData); + restore_flags (flags); } static int @@ -132,40 +116,46 @@ set_volumes (int dev, int vol) } static int -ics2101_mixer_ioctl (int dev, unsigned int cmd, unsigned int arg) +ics2101_mixer_ioctl (int dev, unsigned int cmd, caddr_t arg) { if (((cmd >> 8) & 0xff) == 'M') { - if (cmd & IOC_IN) - switch (cmd & 0xff) - { - case SOUND_MIXER_RECSRC: - return gus_default_mixer_ioctl (dev, cmd, arg); - break; + if (_IOC_DIR (cmd) & _IOC_WRITE) + { + int val; - case SOUND_MIXER_MIC: - return IOCTL_OUT (arg, set_volumes (DEV_MIC, IOCTL_IN (arg))); - break; + get_user (val, (int *) arg); - case SOUND_MIXER_CD: - return IOCTL_OUT (arg, set_volumes (DEV_CD, IOCTL_IN (arg))); - break; + switch (cmd & 0xff) + { + case SOUND_MIXER_RECSRC: + return gus_default_mixer_ioctl (dev, cmd, arg); + break; - case SOUND_MIXER_LINE: - return IOCTL_OUT (arg, set_volumes (DEV_LINE, IOCTL_IN (arg))); - break; + case SOUND_MIXER_MIC: + return ioctl_out (arg, set_volumes (DEV_MIC, val)); + break; - case SOUND_MIXER_SYNTH: - return IOCTL_OUT (arg, set_volumes (DEV_GF1, IOCTL_IN (arg))); - break; + case SOUND_MIXER_CD: + return ioctl_out (arg, set_volumes (DEV_CD, val)); + break; - case SOUND_MIXER_VOLUME: - return IOCTL_OUT (arg, set_volumes (DEV_VOL, IOCTL_IN (arg))); - break; + case SOUND_MIXER_LINE: + return ioctl_out (arg, set_volumes (DEV_LINE, val)); + break; - default: - return RET_ERROR (EINVAL); - } + case SOUND_MIXER_SYNTH: + return ioctl_out (arg, set_volumes (DEV_GF1, val)); + break; + + case SOUND_MIXER_VOLUME: + return ioctl_out (arg, set_volumes (DEV_VOL, val)); + break; + + default: + return -EINVAL; + } + } else switch (cmd & 0xff) /* * Return parameters @@ -177,58 +167,58 @@ ics2101_mixer_ioctl (int dev, unsigned int cmd, unsigned int arg) break; case SOUND_MIXER_DEVMASK: - return IOCTL_OUT (arg, MIX_DEVS); + return ioctl_out (arg, MIX_DEVS); break; case SOUND_MIXER_STEREODEVS: - return IOCTL_OUT (arg, SOUND_MASK_LINE | SOUND_MASK_CD | - SOUND_MASK_SYNTH | SOUND_MASK_VOLUME | - SOUND_MASK_MIC); + return ioctl_out (arg, SOUND_MASK_LINE | SOUND_MASK_CD | SOUND_MASK_SYNTH | SOUND_MASK_VOLUME | SOUND_MASK_MIC); break; case SOUND_MIXER_RECMASK: - return IOCTL_OUT (arg, SOUND_MASK_MIC | SOUND_MASK_LINE); + return ioctl_out (arg, SOUND_MASK_MIC | SOUND_MASK_LINE); break; case SOUND_MIXER_CAPS: - return IOCTL_OUT (arg, 0); + return ioctl_out (arg, 0); break; case SOUND_MIXER_MIC: - return IOCTL_OUT (arg, volumes[DEV_MIC]); + return ioctl_out (arg, volumes[DEV_MIC]); break; case SOUND_MIXER_LINE: - return IOCTL_OUT (arg, volumes[DEV_LINE]); + return ioctl_out (arg, volumes[DEV_LINE]); break; case SOUND_MIXER_CD: - return IOCTL_OUT (arg, volumes[DEV_CD]); + return ioctl_out (arg, volumes[DEV_CD]); break; case SOUND_MIXER_VOLUME: - return IOCTL_OUT (arg, volumes[DEV_VOL]); + return ioctl_out (arg, volumes[DEV_VOL]); break; case SOUND_MIXER_SYNTH: - return IOCTL_OUT (arg, volumes[DEV_GF1]); + return ioctl_out (arg, volumes[DEV_GF1]); break; default: - return RET_ERROR (EINVAL); + return -EINVAL; } } - return RET_ERROR (EINVAL); + return -EINVAL; } static struct mixer_operations ics2101_mixer_operations = { + "ICS2101", + "ICS2101 Multimedia Mixer", ics2101_mixer_ioctl }; -long -ics2101_mixer_init (long mem_start) +void +ics2101_mixer_init (void) { int i; @@ -237,11 +227,11 @@ ics2101_mixer_init (long mem_start) mixer_devs[num_mixers++] = &ics2101_mixer_operations; /* - * Some GUS v3.7 cards had some channels flipped. Disable - * the flipping feature if the model id is other than 5. - */ + * 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) + if (inb (u_MixSelect) != 5) { for (i = 0; i < ICS_MIXDEVS; i++) left_fix[i] = 1; @@ -257,7 +247,6 @@ ics2101_mixer_init (long mem_start) set_volumes (DEV_UNUSED, 0x0000); } - return mem_start; } #endif |