2005-04-16 22:20:36 +00:00
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/*
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* Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
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2007-10-15 07:50:19 +00:00
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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2005-04-16 22:20:36 +00:00
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/init.h>
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2005-11-17 15:55:22 +00:00
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#include <linux/err.h>
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2007-02-22 11:50:54 +00:00
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#include <linux/isa.h>
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2005-04-16 22:20:36 +00:00
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#include <linux/slab.h>
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#include <linux/ioport.h>
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#include <linux/moduleparam.h>
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#include <sound/core.h>
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#include <sound/sb.h>
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#include <sound/opl3.h>
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#include <sound/initval.h>
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2007-10-15 07:50:19 +00:00
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MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
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2005-04-16 22:20:36 +00:00
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MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
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static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
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static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
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static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
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module_param_array(port, long, NULL, 0444);
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MODULE_PARM_DESC(port, "Port # for SB8 driver.");
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module_param_array(irq, int, NULL, 0444);
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MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
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module_param_array(dma8, int, NULL, 0444);
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MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
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struct snd_sb8 {
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struct resource *fm_res; /* used to block FM i/o region for legacy cards */
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2005-11-17 15:55:22 +00:00
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struct snd_sb *chip;
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2005-04-16 22:20:36 +00:00
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};
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IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.
The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around. On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).
Where appropriate, an arch may override the generic storage facility and do
something different with the variable. On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.
Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions. Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller. A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.
I've build this code with allyesconfig for x86_64 and i386. I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.
This will affect all archs. Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:
struct pt_regs *old_regs = set_irq_regs(regs);
And put the old one back at the end:
set_irq_regs(old_regs);
Don't pass regs through to generic_handle_irq() or __do_IRQ().
In timer_interrupt(), this sort of change will be necessary:
- update_process_times(user_mode(regs));
- profile_tick(CPU_PROFILING, regs);
+ update_process_times(user_mode(get_irq_regs()));
+ profile_tick(CPU_PROFILING);
I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().
Some notes on the interrupt handling in the drivers:
(*) input_dev() is now gone entirely. The regs pointer is no longer stored in
the input_dev struct.
(*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does
something different depending on whether it's been supplied with a regs
pointer or not.
(*) Various IRQ handler function pointers have been moved to type
irq_handler_t.
Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 13:55:46 +00:00
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static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
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2005-04-16 22:20:36 +00:00
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{
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2005-11-17 13:34:36 +00:00
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struct snd_sb *chip = dev_id;
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2005-04-16 22:20:36 +00:00
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if (chip->open & SB_OPEN_PCM) {
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return snd_sb8dsp_interrupt(chip);
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} else {
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return snd_sb8dsp_midi_interrupt(chip);
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}
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}
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2005-11-17 13:34:36 +00:00
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static void snd_sb8_free(struct snd_card *card)
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2005-04-16 22:20:36 +00:00
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{
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struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
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if (acard == NULL)
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return;
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2005-10-10 09:56:31 +00:00
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release_and_free_resource(acard->fm_res);
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2005-04-16 22:20:36 +00:00
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}
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2007-02-22 11:50:54 +00:00
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static int __devinit snd_sb8_match(struct device *pdev, unsigned int dev)
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{
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if (!enable[dev])
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return 0;
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if (irq[dev] == SNDRV_AUTO_IRQ) {
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2008-11-03 07:51:33 +00:00
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dev_err(pdev, "please specify irq\n");
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2007-02-22 11:50:54 +00:00
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return 0;
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}
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if (dma8[dev] == SNDRV_AUTO_DMA) {
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2008-11-03 07:51:33 +00:00
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dev_err(pdev, "please specify dma8\n");
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2007-02-22 11:50:54 +00:00
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return 0;
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}
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return 1;
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}
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static int __devinit snd_sb8_probe(struct device *pdev, unsigned int dev)
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2005-04-16 22:20:36 +00:00
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{
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2005-11-17 13:34:36 +00:00
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struct snd_sb *chip;
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struct snd_card *card;
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2005-04-16 22:20:36 +00:00
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struct snd_sb8 *acard;
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2005-11-17 13:34:36 +00:00
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struct snd_opl3 *opl3;
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2005-04-16 22:20:36 +00:00
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int err;
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card = snd_card_new(index[dev], id[dev], THIS_MODULE,
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sizeof(struct snd_sb8));
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if (card == NULL)
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return -ENOMEM;
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2005-11-17 15:55:22 +00:00
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acard = card->private_data;
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2005-04-16 22:20:36 +00:00
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card->private_free = snd_sb8_free;
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/* block the 0x388 port to avoid PnP conflicts */
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acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
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2005-11-17 15:55:22 +00:00
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if (port[dev] != SNDRV_AUTO_PORT) {
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if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
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snd_sb8_interrupt,
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dma8[dev],
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-1,
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SB_HW_AUTO,
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&chip)) < 0)
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goto _err;
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} else {
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/* auto-probe legacy ports */
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static unsigned long possible_ports[] = {
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0x220, 0x240, 0x260,
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};
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int i;
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for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
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err = snd_sbdsp_create(card, possible_ports[i],
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irq[dev],
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snd_sb8_interrupt,
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dma8[dev],
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-1,
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SB_HW_AUTO,
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&chip);
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if (err >= 0) {
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port[dev] = possible_ports[i];
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break;
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}
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}
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if (i >= ARRAY_SIZE(possible_ports))
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goto _err;
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}
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acard->chip = chip;
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2005-04-16 22:20:36 +00:00
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if (chip->hardware >= SB_HW_16) {
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if (chip->hardware == SB_HW_ALS100)
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[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
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snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
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2005-04-16 22:20:36 +00:00
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port[dev]);
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else
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[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
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snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
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port[dev]);
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err = -ENODEV;
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goto _err;
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2005-04-16 22:20:36 +00:00
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}
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[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
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if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
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goto _err;
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if ((err = snd_sbmixer_new(chip)) < 0)
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goto _err;
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2005-04-16 22:20:36 +00:00
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if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
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if ((err = snd_opl3_create(card, chip->port + 8, 0,
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OPL3_HW_AUTO, 1,
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&opl3)) < 0) {
|
[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
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snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
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2005-04-16 22:20:36 +00:00
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}
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} else {
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if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
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OPL3_HW_AUTO, 1,
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&opl3)) < 0) {
|
[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
|
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snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
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2005-04-16 22:20:36 +00:00
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chip->port, chip->port + 2);
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}
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}
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|
|
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if (err >= 0) {
|
[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
|
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|
if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
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goto _err;
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2005-04-16 22:20:36 +00:00
|
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|
}
|
|
|
|
|
[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
|
|
|
if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
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goto _err;
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2005-04-16 22:20:36 +00:00
|
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strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
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strcpy(card->shortname, chip->name);
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sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
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|
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chip->name,
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chip->port,
|
|
|
|
irq[dev], dma8[dev]);
|
[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
|
|
|
|
2007-02-22 11:50:54 +00:00
|
|
|
snd_card_set_dev(card, pdev);
|
[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
|
|
|
|
|
|
|
if ((err = snd_card_register(card)) < 0)
|
|
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|
goto _err;
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|
|
|
|
2007-02-22 11:50:54 +00:00
|
|
|
dev_set_drvdata(pdev, card);
|
2005-04-16 22:20:36 +00:00
|
|
|
return 0;
|
[ALSA] Add snd_card_set_generic_dev() call to ISA drivers
ISA,CMI8330 driver,ES18xx driver,OPL3SA2 driver,Sound Galaxy driver
Sound Scape driver,AD1848 driver,CS4231 driver,CS4236+ driver
ES1688 driver,GUS Classic driver,GUS Extreme driver,GUS MAX driver
AMD InterWave driver,Opti9xx drivers,SB16/AWE driver,SB8 driver
Wavefront drivers
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2005-09-05 15:19:20 +00:00
|
|
|
|
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|
|
_err:
|
|
|
|
snd_card_free(card);
|
|
|
|
return err;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2007-02-22 11:50:54 +00:00
|
|
|
static int __devexit snd_sb8_remove(struct device *pdev, unsigned int dev)
|
2005-11-17 15:55:22 +00:00
|
|
|
{
|
2007-02-22 11:50:54 +00:00
|
|
|
snd_card_free(dev_get_drvdata(pdev));
|
|
|
|
dev_set_drvdata(pdev, NULL);
|
2005-11-17 15:55:22 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
2007-02-22 11:50:54 +00:00
|
|
|
static int snd_sb8_suspend(struct device *dev, unsigned int n,
|
|
|
|
pm_message_t state)
|
2005-11-17 15:55:22 +00:00
|
|
|
{
|
2007-02-22 11:50:54 +00:00
|
|
|
struct snd_card *card = dev_get_drvdata(dev);
|
2005-11-17 15:55:22 +00:00
|
|
|
struct snd_sb8 *acard = card->private_data;
|
|
|
|
struct snd_sb *chip = acard->chip;
|
|
|
|
|
|
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
|
|
|
|
snd_pcm_suspend_all(chip->pcm);
|
|
|
|
snd_sbmixer_suspend(chip);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-02-22 11:50:54 +00:00
|
|
|
static int snd_sb8_resume(struct device *dev, unsigned int n)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2007-02-22 11:50:54 +00:00
|
|
|
struct snd_card *card = dev_get_drvdata(dev);
|
2005-11-17 15:55:22 +00:00
|
|
|
struct snd_sb8 *acard = card->private_data;
|
|
|
|
struct snd_sb *chip = acard->chip;
|
|
|
|
|
|
|
|
snd_sbdsp_reset(chip);
|
|
|
|
snd_sbmixer_resume(chip);
|
|
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
|
|
|
|
return 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
2005-11-17 15:55:22 +00:00
|
|
|
#endif
|
|
|
|
|
2007-03-20 10:33:46 +00:00
|
|
|
#define DEV_NAME "sb8"
|
2005-11-17 15:55:22 +00:00
|
|
|
|
2007-02-22 11:50:54 +00:00
|
|
|
static struct isa_driver snd_sb8_driver = {
|
|
|
|
.match = snd_sb8_match,
|
2005-11-17 15:55:22 +00:00
|
|
|
.probe = snd_sb8_probe,
|
2007-02-13 12:11:11 +00:00
|
|
|
.remove = __devexit_p(snd_sb8_remove),
|
2005-11-17 15:55:22 +00:00
|
|
|
#ifdef CONFIG_PM
|
|
|
|
.suspend = snd_sb8_suspend,
|
|
|
|
.resume = snd_sb8_resume,
|
|
|
|
#endif
|
|
|
|
.driver = {
|
2007-03-20 10:33:46 +00:00
|
|
|
.name = DEV_NAME
|
2005-11-17 15:55:22 +00:00
|
|
|
},
|
|
|
|
};
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
static int __init alsa_card_sb8_init(void)
|
|
|
|
{
|
2007-02-22 11:50:54 +00:00
|
|
|
return isa_register_driver(&snd_sb8_driver, SNDRV_CARDS);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void __exit alsa_card_sb8_exit(void)
|
|
|
|
{
|
2007-02-22 11:50:54 +00:00
|
|
|
isa_unregister_driver(&snd_sb8_driver);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
module_init(alsa_card_sb8_init)
|
|
|
|
module_exit(alsa_card_sb8_exit)
|