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linux/sound/isa/es1688/es1688.c
Leon Romanovsky 6417f03132 module: remove never implemented MODULE_SUPPORTED_DEVICE 
MODULE_SUPPORTED_DEVICE was added in pre-git era and never was
implemented. We can safely remove it, because the kernel has grown
to have many more reliable mechanisms to determine if device is
supported or not.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-03-17 13:16:18 -07:00

346 lines
9.1 KiB
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for generic ESS AudioDrive ESx688 soundcards
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*/
#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/isapnp.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/es1688.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>
#define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
#define DEV_NAME "es1688"
MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("snd_es968");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
#ifdef CONFIG_PNP
static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
#endif
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */
static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
#ifdef CONFIG_PNP
module_param_array(isapnp, bool, NULL, 0444);
MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
#endif
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_hw_array(port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_hw_array(irq, int, irq, NULL, 0444);
module_param_hw_array(fm_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_hw_array(dma8, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
#ifdef CONFIG_PNP
#define is_isapnp_selected(dev) isapnp[dev]
#else
#define is_isapnp_selected(dev) 0
#endif
static int snd_es1688_match(struct device *dev, unsigned int n)
{
return enable[n] && !is_isapnp_selected(n);
}
static int snd_es1688_legacy_create(struct snd_card *card,
struct device *dev, unsigned int n)
{
struct snd_es1688 *chip = card->private_data;
static const long possible_ports[] = {0x220, 0x240, 0x260};
static const int possible_irqs[] = {5, 9, 10, 7, -1};
static const int possible_dmas[] = {1, 3, 0, -1};
int i, error;
if (irq[n] == SNDRV_AUTO_IRQ) {
irq[n] = snd_legacy_find_free_irq(possible_irqs);
if (irq[n] < 0) {
dev_err(dev, "unable to find a free IRQ\n");
return -EBUSY;
}
}
if (dma8[n] == SNDRV_AUTO_DMA) {
dma8[n] = snd_legacy_find_free_dma(possible_dmas);
if (dma8[n] < 0) {
dev_err(dev, "unable to find a free DMA\n");
return -EBUSY;
}
}
if (port[n] != SNDRV_AUTO_PORT)
return snd_es1688_create(card, chip, port[n], mpu_port[n],
irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
i = 0;
do {
port[n] = possible_ports[i];
error = snd_es1688_create(card, chip, port[n], mpu_port[n],
irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
return error;
}
static int snd_es1688_probe(struct snd_card *card, unsigned int n)
{
struct snd_es1688 *chip = card->private_data;
struct snd_opl3 *opl3;
int error;
error = snd_es1688_pcm(card, chip, 0);
if (error < 0)
return error;
error = snd_es1688_mixer(card, chip);
if (error < 0)
return error;
strscpy(card->driver, "ES1688", sizeof(card->driver));
strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx, irq %i, dma %i", chip->pcm->name, chip->port,
chip->irq, chip->dma8);
if (fm_port[n] == SNDRV_AUTO_PORT)
fm_port[n] = port[n]; /* share the same port */
if (fm_port[n] > 0) {
if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
OPL3_HW_OPL3, 0, &opl3) < 0)
dev_warn(card->dev,
"opl3 not detected at 0x%lx\n", fm_port[n]);
else {
error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
if (error < 0)
return error;
}
}
if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
chip->mpu_port > 0) {
error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
chip->mpu_port, 0,
mpu_irq[n], NULL);
if (error < 0)
return error;
}
return snd_card_register(card);
}
static int snd_es1688_isa_probe(struct device *dev, unsigned int n)
{
struct snd_card *card;
int error;
error = snd_card_new(dev, index[n], id[n], THIS_MODULE,
sizeof(struct snd_es1688), &card);
if (error < 0)
return error;
error = snd_es1688_legacy_create(card, dev, n);
if (error < 0)
goto out;
error = snd_es1688_probe(card, n);
if (error < 0)
goto out;
dev_set_drvdata(dev, card);
return 0;
out:
snd_card_free(card);
return error;
}
static void snd_es1688_isa_remove(struct device *dev, unsigned int n)
{
snd_card_free(dev_get_drvdata(dev));
}
static struct isa_driver snd_es1688_driver = {
.match = snd_es1688_match,
.probe = snd_es1688_isa_probe,
.remove = snd_es1688_isa_remove,
#if 0 /* FIXME */
.suspend = snd_es1688_suspend,
.resume = snd_es1688_resume,
#endif
.driver = {
.name = DEV_NAME
}
};
static int snd_es968_pnp_is_probed;
#ifdef CONFIG_PNP
static int snd_card_es968_pnp(struct snd_card *card, unsigned int n,
struct pnp_card_link *pcard,
const struct pnp_card_device_id *pid)
{
struct snd_es1688 *chip = card->private_data;
struct pnp_dev *pdev;
int error;
pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
if (pdev == NULL)
return -ENODEV;
error = pnp_activate_dev(pdev);
if (error < 0) {
snd_printk(KERN_ERR "ES968 pnp configure failure\n");
return error;
}
port[n] = pnp_port_start(pdev, 0);
dma8[n] = pnp_dma(pdev, 0);
irq[n] = pnp_irq(pdev, 0);
return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
mpu_irq[n], dma8[n], ES1688_HW_AUTO);
}
static int snd_es968_pnp_detect(struct pnp_card_link *pcard,
const struct pnp_card_device_id *pid)
{
struct snd_card *card;
static unsigned int dev;
int error;
if (snd_es968_pnp_is_probed)
return -EBUSY;
for ( ; dev < SNDRV_CARDS; dev++) {
if (enable[dev] && isapnp[dev])
break;
}
if (dev == SNDRV_CARDS)
return -ENODEV;
error = snd_card_new(&pcard->card->dev,
index[dev], id[dev], THIS_MODULE,
sizeof(struct snd_es1688), &card);
if (error < 0)
return error;
error = snd_card_es968_pnp(card, dev, pcard, pid);
if (error < 0) {
snd_card_free(card);
return error;
}
error = snd_es1688_probe(card, dev);
if (error < 0) {
snd_card_free(card);
return error;
}
pnp_set_card_drvdata(pcard, card);
snd_es968_pnp_is_probed = 1;
return 0;
}
static void snd_es968_pnp_remove(struct pnp_card_link *pcard)
{
snd_card_free(pnp_get_card_drvdata(pcard));
pnp_set_card_drvdata(pcard, NULL);
snd_es968_pnp_is_probed = 0;
}
#ifdef CONFIG_PM
static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
pm_message_t state)
{
struct snd_card *card = pnp_get_card_drvdata(pcard);
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
return 0;
}
static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
{
struct snd_card *card = pnp_get_card_drvdata(pcard);
struct snd_es1688 *chip = card->private_data;
snd_es1688_reset(chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif
static const struct pnp_card_device_id snd_es968_pnpids[] = {
{ .id = "ESS0968", .devs = { { "@@@0968" }, } },
{ .id = "ESS0968", .devs = { { "ESS0968" }, } },
{ .id = "", } /* end */
};
MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
static struct pnp_card_driver es968_pnpc_driver = {
.flags = PNP_DRIVER_RES_DISABLE,
.name = DEV_NAME " PnP",
.id_table = snd_es968_pnpids,
.probe = snd_es968_pnp_detect,
.remove = snd_es968_pnp_remove,
#ifdef CONFIG_PM
.suspend = snd_es968_pnp_suspend,
.resume = snd_es968_pnp_resume,
#endif
};
#endif
static int __init alsa_card_es1688_init(void)
{
#ifdef CONFIG_PNP
pnp_register_card_driver(&es968_pnpc_driver);
if (snd_es968_pnp_is_probed)
return 0;
pnp_unregister_card_driver(&es968_pnpc_driver);
#endif
return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
}
static void __exit alsa_card_es1688_exit(void)
{
if (!snd_es968_pnp_is_probed) {
isa_unregister_driver(&snd_es1688_driver);
return;
}
#ifdef CONFIG_PNP
pnp_unregister_card_driver(&es968_pnpc_driver);
#endif
}
module_init(alsa_card_es1688_init);
module_exit(alsa_card_es1688_exit);
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