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/*
card-es968.c - driver for ESS AudioDrive ES968 based soundcards.
Copyright (C) 1999 by Massimo Piccioni <dafastidio@libero.it>
Thanks to Pierfrancesco 'qM2' Passerini.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sound/driver.h>
#include <linux/init.h>
#include <linux/time.h>
#ifndef LINUX_ISAPNP_H
#include <linux/isapnp.h>
#define isapnp_card pci_bus
#define isapnp_dev pci_dev
#endif
#include <sound/core.h>
#define SNDRV_GET_ID
#include <sound/initval.h>
#include <sound/sb.h>
#define chip_t sb_t
EXPORT_NO_SYMBOLS;
MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
MODULE_DESCRIPTION("ESS AudioDrive ES968");
MODULE_LICENSE("GPL");
MODULE_CLASSES("{sound}");
MODULE_DEVICES("{{ESS,AudioDrive ES968}}");
static int snd_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *snd_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int snd_enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
static long snd_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static int snd_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */
static int snd_dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
MODULE_PARM(snd_index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_index, "Index value for es968 based soundcard.");
MODULE_PARM_SYNTAX(snd_index, SNDRV_INDEX_DESC);
MODULE_PARM(snd_id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
MODULE_PARM_DESC(snd_id, "ID string for es968 based soundcard.");
MODULE_PARM_SYNTAX(snd_id, SNDRV_ID_DESC);
MODULE_PARM(snd_enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_enable, "Enable es968 based soundcard.");
MODULE_PARM_SYNTAX(snd_enable, SNDRV_ENABLE_DESC);
MODULE_PARM(snd_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
MODULE_PARM_DESC(snd_port, "Port # for es968 driver.");
MODULE_PARM_SYNTAX(snd_port, SNDRV_PORT12_DESC);
MODULE_PARM(snd_irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_irq, "IRQ # for es968 driver.");
MODULE_PARM_SYNTAX(snd_irq, SNDRV_IRQ_DESC);
MODULE_PARM(snd_dma8, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(snd_dma8, "8-bit DMA # for es968 driver.");
MODULE_PARM_SYNTAX(snd_dma8, SNDRV_DMA8_DESC);
struct snd_card_es968 {
#ifdef __ISAPNP__
struct isapnp_dev *dev;
#endif /* __ISAPNP__ */
};
static snd_card_t *snd_es968_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
#ifdef __ISAPNP__
static struct isapnp_card *snd_es968_isapnp_cards[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_PTR;
static const struct isapnp_card_id *snd_es968_isapnp_id[SNDRV_CARDS] __devinitdata = SNDRV_DEFAULT_PTR;
static struct isapnp_card_id snd_es968_pnpids[] __devinitdata = {
{
ISAPNP_CARD_ID('E','S','S',0x0968),
devs: { ISAPNP_DEVICE_ID('E','S','S',0x0968), }
},
{ ISAPNP_CARD_END, }
};
ISAPNP_CARD_TABLE(snd_es968_pnpids);
#endif /* __ISAPNP__ */
#define DRIVER_NAME "snd-card-es968"
static void snd_card_es968_interrupt(int irq, void *dev_id,
struct pt_regs *regs)
{
sb_t *chip = snd_magic_cast(sb_t, dev_id, return);
if (chip->open & SB_OPEN_PCM) {
snd_sb8dsp_interrupt(chip);
} else {
snd_sb8dsp_midi_interrupt(chip);
}
}
#ifdef __ISAPNP__
static int __init snd_card_es968_isapnp(int dev, struct snd_card_es968 *acard)
{
const struct isapnp_card_id *id = snd_es968_isapnp_id[dev];
struct isapnp_card *card = snd_es968_isapnp_cards[dev];
struct isapnp_dev *pdev;
acard->dev = isapnp_find_dev(card, id->devs[0].vendor, id->devs[0].function, NULL);
if (acard->dev->active) {
acard->dev = NULL;
return -EBUSY;
}
pdev = acard->dev;
if (pdev->prepare(pdev)<0)
return -EAGAIN;
if (snd_port[dev] != SNDRV_AUTO_PORT)
isapnp_resource_change(&pdev->resource[0], snd_port[dev], 16);
if (snd_dma8[dev] != SNDRV_AUTO_DMA)
isapnp_resource_change(&pdev->dma_resource[0], snd_dma8[dev],
1);
if (snd_irq[dev] != SNDRV_AUTO_IRQ)
isapnp_resource_change(&pdev->irq_resource[0], snd_irq[dev], 1);
if (pdev->activate(pdev)<0) {
snd_printk("AUDIO isapnp configure failure\n");
return -EBUSY;
}
snd_port[dev] = pdev->resource[0].start;
snd_dma8[dev] = pdev->dma_resource[0].start;
snd_irq[dev] = pdev->irq_resource[0].start;
return 0;
}
static void snd_card_es968_deactivate(struct snd_card_es968 *acard)
{
if (acard->dev) {
acard->dev->deactivate(acard->dev);
acard->dev = NULL;
}
}
#endif /* __ISAPNP__ */
static void __exit snd_card_es968_free(snd_card_t *card)
{
struct snd_card_es968 *acard = (struct snd_card_es968 *)card->private_data;
if (acard) {
#ifdef __ISAPNP__
snd_card_es968_deactivate(acard);
#endif /* __ISAPNP__ */
}
}
static int __init snd_card_es968_probe(int dev)
{
int error;
sb_t *chip;
snd_card_t *card;
struct snd_card_es968 *acard;
if ((card = snd_card_new(snd_index[dev], snd_id[dev], THIS_MODULE,
sizeof(struct snd_card_es968))) == NULL)
return -ENOMEM;
acard = (struct snd_card_es968 *)card->private_data;
card->private_free = snd_card_es968_free;
#ifdef __ISAPNP__
if ((error = snd_card_es968_isapnp(dev, acard))) {
snd_card_free(card);
return error;
}
#else
snd_printk("you have to enable PnP support ...\n");
snd_card_free(card);
return -ENOSYS;
#endif /* __ISAPNP__ */
if ((error = snd_sbdsp_create(card, snd_port[dev],
snd_irq[dev],
snd_card_es968_interrupt,
snd_dma8[dev],
-1,
SB_HW_AUTO, &chip)) < 0) {
snd_card_free(card);
return error;
}
if ((error = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) {
snd_card_free(card);
return error;
}
if ((error = snd_sbmixer_new(chip)) < 0) {
snd_card_free(card);
return error;
}
if ((error = snd_sb8dsp_midi(chip, 0, NULL)) < 0) {
snd_card_free(card);
return error;
}
strcpy(card->driver, "ES968");
strcpy(card->shortname, "ESS ES968");
sprintf(card->longname, "%s soundcard, %s at 0x%lx, irq %d, dma %d",
card->shortname, chip->name, chip->port, snd_irq[dev], snd_dma8[dev]);
if ((error = snd_card_register(card)) < 0) {
snd_card_free(card);
return error;
}
snd_es968_cards[dev] = card;
return 0;
}
#ifdef __ISAPNP__
static int __init snd_es968_isapnp_detect(struct isapnp_card *card,
const struct isapnp_card_id *id)
{
static int dev;
int res;
for ( ; dev < SNDRV_CARDS; dev++) {
if (!snd_enable[dev])
continue;
snd_es968_isapnp_cards[dev] = card;
snd_es968_isapnp_id[dev] = id;
res = snd_card_es968_probe(dev);
if (res < 0)
return res;
dev++;
return 0;
}
return -ENODEV;
}
#endif /* __ISAPNP__ */
static int __init alsa_card_es968_init(void)
{
int cards = 0;
#ifdef __ISAPNP__
cards += isapnp_probe_cards(snd_es968_pnpids, snd_es968_isapnp_detect);
#else
snd_printk("you have to enable ISA PnP support.\n");
#endif
#ifdef MODULE
if (!cards)
snd_printk("no ES968 based soundcards found\n");
#endif
return cards ? 0 : -ENODEV;
}
static void __exit alsa_card_es968_exit(void)
{
int dev;
for (dev = 0; dev < SNDRV_CARDS; dev++)
snd_card_free(snd_es968_cards[dev]);
}
module_init(alsa_card_es968_init)
module_exit(alsa_card_es968_exit)
#ifndef MODULE
/* format is: snd-es968=snd_enable,snd_index,snd_id,
snd_port,snd_irq,snd_dma1 */
static int __init alsa_card_es968_setup(char *str)
{
static unsigned __initdata nr_dev = 0;
if (nr_dev >= SNDRV_CARDS)
return 0;
(void)(get_option(&str,&snd_enable[nr_dev]) == 2 &&
get_option(&str,&snd_index[nr_dev]) == 2 &&
get_id(&str,&snd_id[nr_dev]) == 2 &&
get_option(&str,(int *)&snd_port[nr_dev]) == 2 &&
get_option(&str,&snd_irq[nr_dev]) == 2 &&
get_option(&str,&snd_dma8[nr_dev]) == 2);
nr_dev++;
return 1;
}
__setup("snd-es968=", alsa_card_es968_setup);
#endif /* ifndef MODULE */
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