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linux/sound/isa/dt019x.c
Bjorn Helgaas 6736a6587b [PATCH] PNP: adjust pnp_register_card_driver() signature: dt019x 
Remove the assumption that pnp_register_card_driver() returns the
number of devices claimed.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Jaroslav Kysela <perex@suse.cz>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-27 08:44:54 -08:00

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/*
dt019x.c - driver for Diamond Technologies DT-0197H based soundcards.
Copyright (C) 1999, 2002 by Massimo Piccioni <dafastidio@libero.it>
Generalised for soundcards based on DT-0196 and ALS-007 chips
by Jonathan Woithe <jwoithe@physics.adelaide.edu.au>: June 2002.
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/sched.h>
#include <linux/wait.h>
#include <linux/pnp.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/sb.h>
#define PFX "dt019x: "
MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
MODULE_DESCRIPTION("Diamond Technologies DT-019X / Avance Logic ALS-007");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Diamond Technologies DT-019X},"
"{Avance Logic ALS-007}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* PnP setup */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* PnP setup */
static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for DT-019X based soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for DT-019X based soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable DT-019X based soundcard.");
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for dt019x driver.");
module_param_array(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for dt019x driver.");
module_param_array(fm_port, long, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port # for dt019x driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for dt019x driver.");
module_param_array(mpu_irq, int, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for dt019x driver.");
module_param_array(dma8, int, NULL, 0444);
MODULE_PARM_DESC(dma8, "8-bit DMA # for dt019x driver.");
struct snd_card_dt019x {
struct pnp_dev *dev;
struct pnp_dev *devmpu;
struct pnp_dev *devopl;
struct snd_sb *chip;
};
static struct pnp_card_device_id snd_dt019x_pnpids[] = {
/* DT197A30 */
{ .id = "RWB1688", .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" }, } },
/* DT0196 / ALS-007 */
{ .id = "ALS0007", .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" }, } },
{ .id = "", }
};
MODULE_DEVICE_TABLE(pnp_card, snd_dt019x_pnpids);
#define DRIVER_NAME "snd-card-dt019x"
static int __devinit snd_card_dt019x_pnp(int dev, struct snd_card_dt019x *acard,
struct pnp_card_link *card,
const struct pnp_card_device_id *pid)
{
struct pnp_dev *pdev;
struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
int err;
if (!cfg)
return -ENOMEM;
acard->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
if (acard->dev == NULL) {
kfree (cfg);
return -ENODEV;
}
acard->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
acard->devopl = pnp_request_card_device(card, pid->devs[2].id, NULL);
pdev = acard->dev;
pnp_init_resource_table(cfg);
if (port[dev] != SNDRV_AUTO_PORT)
pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
if (dma8[dev] != SNDRV_AUTO_DMA)
pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);
if (irq[dev] != SNDRV_AUTO_IRQ)
pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
snd_printk(KERN_ERR PFX "DT-019X AUDIO the requested resources are invalid, using auto config\n");
err = pnp_activate_dev(pdev);
if (err < 0) {
snd_printk(KERN_ERR PFX "DT-019X AUDIO pnp configure failure\n");
kfree(cfg);
return err;
}
port[dev] = pnp_port_start(pdev, 0);
dma8[dev] = pnp_dma(pdev, 0);
irq[dev] = pnp_irq(pdev, 0);
snd_printdd("dt019x: found audio interface: port=0x%lx, irq=0x%x, dma=0x%x\n",
port[dev],irq[dev],dma8[dev]);
pdev = acard->devmpu;
if (pdev != NULL) {
pnp_init_resource_table(cfg);
if (mpu_port[dev] != SNDRV_AUTO_PORT)
pnp_resource_change(&cfg->port_resource[0], mpu_port[dev], 2);
if (mpu_irq[dev] != SNDRV_AUTO_IRQ)
pnp_resource_change(&cfg->irq_resource[0], mpu_irq[dev], 1);
if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
snd_printk(KERN_ERR PFX "DT-019X MPU401 the requested resources are invalid, using auto config\n");
err = pnp_activate_dev(pdev);
if (err < 0) {
pnp_release_card_device(pdev);
snd_printk(KERN_ERR PFX "DT-019X MPU401 pnp configure failure, skipping\n");
goto __mpu_error;
}
mpu_port[dev] = pnp_port_start(pdev, 0);
mpu_irq[dev] = pnp_irq(pdev, 0);
snd_printdd("dt019x: found MPU-401: port=0x%lx, irq=0x%x\n",
mpu_port[dev],mpu_irq[dev]);
} else {
__mpu_error:
acard->devmpu = NULL;
mpu_port[dev] = -1;
}
pdev = acard->devopl;
if (pdev != NULL) {
pnp_init_resource_table(cfg);
if (fm_port[dev] != SNDRV_AUTO_PORT)
pnp_resource_change(&cfg->port_resource[0], fm_port[dev], 4);
if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
snd_printk(KERN_ERR PFX "DT-019X OPL3 the requested resources are invalid, using auto config\n");
err = pnp_activate_dev(pdev);
if (err < 0) {
pnp_release_card_device(pdev);
snd_printk(KERN_ERR PFX "DT-019X OPL3 pnp configure failure, skipping\n");
goto __fm_error;
}
fm_port[dev] = pnp_port_start(pdev, 0);
snd_printdd("dt019x: found OPL3 synth: port=0x%lx\n",fm_port[dev]);
} else {
__fm_error:
acard->devopl = NULL;
fm_port[dev] = -1;
}
kfree(cfg);
return 0;
}
static int __devinit snd_card_dt019x_probe(int dev, struct pnp_card_link *pcard, const struct pnp_card_device_id *pid)
{
int error;
struct snd_sb *chip;
struct snd_card *card;
struct snd_card_dt019x *acard;
struct snd_opl3 *opl3;
if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
sizeof(struct snd_card_dt019x))) == NULL)
return -ENOMEM;
acard = card->private_data;
snd_card_set_dev(card, &pcard->card->dev);
if ((error = snd_card_dt019x_pnp(dev, acard, pcard, pid))) {
snd_card_free(card);
return error;
}
if ((error = snd_sbdsp_create(card, port[dev],
irq[dev],
snd_sb16dsp_interrupt,
dma8[dev],
-1,
SB_HW_DT019X,
&chip)) < 0) {
snd_card_free(card);
return error;
}
acard->chip = chip;
strcpy(card->driver, "DT-019X");
strcpy(card->shortname, "Diamond Tech. DT-019X");
sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
card->shortname, chip->name, chip->port,
irq[dev], dma8[dev]);
if ((error = snd_sb16dsp_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 (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
mpu_irq[dev] = -1;
if (snd_mpu401_uart_new(card, 0,
/* MPU401_HW_SB,*/
MPU401_HW_MPU401,
mpu_port[dev], 0,
mpu_irq[dev],
mpu_irq[dev] >= 0 ? SA_INTERRUPT : 0,
NULL) < 0)
snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx ?\n", mpu_port[dev]);
}
if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
if (snd_opl3_create(card,
fm_port[dev],
fm_port[dev] + 2,
OPL3_HW_AUTO, 0, &opl3) < 0) {
snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx ?\n",
fm_port[dev], fm_port[dev] + 2);
} else {
if ((error = snd_opl3_timer_new(opl3, 0, 1)) < 0) {
snd_card_free(card);
return error;
}
if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
snd_card_free(card);
return error;
}
}
}
if ((error = snd_card_register(card)) < 0) {
snd_card_free(card);
return error;
}
pnp_set_card_drvdata(pcard, card);
return 0;
}
static unsigned int __devinitdata dt019x_devices;
static int __devinit snd_dt019x_pnp_probe(struct pnp_card_link *card,
const struct pnp_card_device_id *pid)
{
static int dev;
int res;
for ( ; dev < SNDRV_CARDS; dev++) {
if (!enable[dev])
continue;
res = snd_card_dt019x_probe(dev, card, pid);
if (res < 0)
return res;
dev++;
dt019x_devices++;
return 0;
}
return -ENODEV;
}
static void __devexit snd_dt019x_pnp_remove(struct pnp_card_link * pcard)
{
snd_card_free(pnp_get_card_drvdata(pcard));
pnp_set_card_drvdata(pcard, NULL);
}
#ifdef CONFIG_PM
static int snd_dt019x_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
{
struct snd_card *card = pnp_get_card_drvdata(pcard);
struct snd_card_dt019x *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;
}
static int snd_dt019x_pnp_resume(struct pnp_card_link *pcard)
{
struct snd_card *card = pnp_get_card_drvdata(pcard);
struct snd_card_dt019x *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;
}
#endif
static struct pnp_card_driver dt019x_pnpc_driver = {
.flags = PNP_DRIVER_RES_DISABLE,
.name = "dt019x",
.id_table = snd_dt019x_pnpids,
.probe = snd_dt019x_pnp_probe,
.remove = __devexit_p(snd_dt019x_pnp_remove),
#ifdef CONFIG_PM
.suspend = snd_dt019x_pnp_suspend,
.resume = snd_dt019x_pnp_resume,
#endif
};
static int __init alsa_card_dt019x_init(void)
{
int err;
err = pnp_register_card_driver(&dt019x_pnpc_driver);
if (err)
return err;
if (!dt019x_devices) {
pnp_unregister_card_driver(&dt019x_pnpc_driver);
#ifdef MODULE
snd_printk(KERN_ERR "no DT-019X / ALS-007 based soundcards found\n");
#endif
return -ENODEV;
}
return 0;
}
static void __exit alsa_card_dt019x_exit(void)
{
pnp_unregister_card_driver(&dt019x_pnpc_driver);
}
module_init(alsa_card_dt019x_init)
module_exit(alsa_card_dt019x_exit)
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