[ALSA] wavefront - Use platform_device
Modules: Wavefront drivers Rewrite the probe/remove with platform_device. Signed-off-by: Takashi Iwai <tiwai@suse.de>hifive-unleashed-5.1
Takashi Iwai
Jaroslav Kysela
parent
99a0b7687e
commit
d29b761e61
|
|
@ -23,6 +23,8 @@
|
|||
#include <linux/init.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/pnp.h>
|
||||
#include <linux/moduleparam.h>
|
||||
#include <sound/core.h>
|
||||
|
|
@ -81,7 +83,6 @@ MODULE_PARM_DESC(fm_port, "FM port #.");
|
|||
module_param_array(use_cs4232_midi, bool, NULL, 0444);
|
||||
MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
|
||||
|
||||
static struct snd_card *snd_wavefront_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
|
||||
|
||||
#ifdef CONFIG_PNP
|
||||
|
||||
|
|
@ -240,7 +241,7 @@ snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *c
|
|||
cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
|
||||
}
|
||||
|
||||
snd_printk ("CS4232 MPU: port=0x%lx, irq=%i\n",
|
||||
snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n",
|
||||
cs4232_mpu_port[dev],
|
||||
cs4232_mpu_irq[dev]);
|
||||
}
|
||||
|
|
@ -315,7 +316,7 @@ snd_wavefront_new_fx (struct snd_card *card,
|
|||
struct snd_hwdep *fx_processor;
|
||||
|
||||
if (snd_wavefront_fx_start (&acard->wavefront)) {
|
||||
snd_printk ("cannot initialize YSS225 FX processor");
|
||||
snd_printk (KERN_ERR "cannot initialize YSS225 FX processor");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
|
@ -347,7 +348,7 @@ snd_wavefront_new_midi (struct snd_card *card,
|
|||
first = 0;
|
||||
acard->wavefront.midi.base = port;
|
||||
if (snd_wavefront_midi_start (acard)) {
|
||||
snd_printk ("cannot initialize MIDI interface\n");
|
||||
snd_printk (KERN_ERR "cannot initialize MIDI interface\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
|
@ -385,42 +386,17 @@ snd_wavefront_free(struct snd_card *card)
|
|||
}
|
||||
}
|
||||
|
||||
static int __devinit
|
||||
snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
||||
const struct pnp_card_device_id *pid)
|
||||
static struct snd_card *snd_wavefront_card_new(int dev)
|
||||
{
|
||||
struct snd_card *card;
|
||||
snd_wavefront_card_t *acard;
|
||||
struct snd_cs4231 *chip;
|
||||
struct snd_hwdep *wavefront_synth;
|
||||
struct snd_rawmidi *ics2115_internal_rmidi = NULL;
|
||||
struct snd_rawmidi *ics2115_external_rmidi = NULL;
|
||||
struct snd_hwdep *fx_processor;
|
||||
int hw_dev = 0, midi_dev = 0, err;
|
||||
|
||||
#ifdef CONFIG_PNP
|
||||
if (!isapnp[dev]) {
|
||||
#endif
|
||||
if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
|
||||
snd_printk("specify CS4232 port\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
|
||||
snd_printk("specify ICS2115 port\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
#ifdef CONFIG_PNP
|
||||
}
|
||||
#endif
|
||||
card = snd_card_new (index[dev],
|
||||
id[dev],
|
||||
THIS_MODULE,
|
||||
card = snd_card_new (index[dev], id[dev], THIS_MODULE,
|
||||
sizeof(snd_wavefront_card_t));
|
||||
if (card == NULL)
|
||||
return NULL;
|
||||
|
||||
if (card == NULL) {
|
||||
return -ENOMEM;
|
||||
}
|
||||
acard = (snd_wavefront_card_t *)card->private_data;
|
||||
acard = card->private_data;
|
||||
acard->wavefront.irq = -1;
|
||||
spin_lock_init(&acard->wavefront.irq_lock);
|
||||
init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
|
||||
|
|
@ -428,18 +404,19 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
spin_lock_init(&acard->wavefront.midi.virtual);
|
||||
card->private_free = snd_wavefront_free;
|
||||
|
||||
#ifdef CONFIG_PNP
|
||||
if (isapnp[dev]) {
|
||||
if (snd_wavefront_pnp (dev, acard, pcard, pid) < 0) {
|
||||
if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
|
||||
snd_printk ("isapnp detection failed\n");
|
||||
snd_card_free (card);
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
snd_card_set_dev(card, &pcard->card->dev);
|
||||
}
|
||||
#endif /* CONFIG_PNP */
|
||||
return card;
|
||||
}
|
||||
|
||||
static int __devinit
|
||||
snd_wavefront_probe (struct snd_card *card, int dev)
|
||||
{
|
||||
snd_wavefront_card_t *acard = card->private_data;
|
||||
struct snd_cs4231 *chip;
|
||||
struct snd_hwdep *wavefront_synth;
|
||||
struct snd_rawmidi *ics2115_internal_rmidi = NULL;
|
||||
struct snd_rawmidi *ics2115_external_rmidi = NULL;
|
||||
struct snd_hwdep *fx_processor;
|
||||
int hw_dev = 0, midi_dev = 0, err;
|
||||
|
||||
/* --------- PCM --------------- */
|
||||
|
||||
|
|
@ -450,19 +427,15 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
dma1[dev],
|
||||
dma2[dev],
|
||||
CS4231_HW_DETECT, 0, &chip)) < 0) {
|
||||
snd_card_free(card);
|
||||
snd_printk ("can't allocate CS4231 device\n");
|
||||
snd_printk (KERN_ERR "can't allocate CS4231 device\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
if ((err = snd_cs4231_pcm (chip, 0, NULL)) < 0) {
|
||||
snd_card_free(card);
|
||||
if ((err = snd_cs4231_pcm (chip, 0, NULL)) < 0)
|
||||
return err;
|
||||
}
|
||||
if ((err = snd_cs4231_timer (chip, 0, NULL)) < 0) {
|
||||
snd_card_free(card);
|
||||
|
||||
if ((err = snd_cs4231_timer (chip, 0, NULL)) < 0)
|
||||
return err;
|
||||
}
|
||||
|
||||
/* ---------- OPL3 synth --------- */
|
||||
|
||||
|
|
@ -474,28 +447,26 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
fm_port[dev] + 2,
|
||||
OPL3_HW_OPL3_CS,
|
||||
0, &opl3)) < 0) {
|
||||
snd_printk ("can't allocate or detect OPL3 synth\n");
|
||||
snd_card_free(card);
|
||||
snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
if ((err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL)) < 0) {
|
||||
snd_card_free(card);
|
||||
if ((err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL)) < 0)
|
||||
return err;
|
||||
}
|
||||
hw_dev++;
|
||||
}
|
||||
|
||||
/* ------- ICS2115 Wavetable synth ------- */
|
||||
|
||||
if ((acard->wavefront.res_base = request_region(ics2115_port[dev], 16, "ICS2115")) == NULL) {
|
||||
snd_printk("unable to grab ICS2115 i/o region 0x%lx-0x%lx\n", ics2115_port[dev], ics2115_port[dev] + 16 - 1);
|
||||
snd_card_free(card);
|
||||
if ((acard->wavefront.res_base = request_region(ics2115_port[dev], 16,
|
||||
"ICS2115")) == NULL) {
|
||||
snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n",
|
||||
ics2115_port[dev], ics2115_port[dev] + 16 - 1);
|
||||
return -EBUSY;
|
||||
}
|
||||
if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt, SA_INTERRUPT, "ICS2115", (void *)acard)) {
|
||||
snd_printk("unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
|
||||
snd_card_free(card);
|
||||
if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt,
|
||||
SA_INTERRUPT, "ICS2115", acard)) {
|
||||
snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
|
|
@ -503,8 +474,7 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
acard->wavefront.base = ics2115_port[dev];
|
||||
|
||||
if ((wavefront_synth = snd_wavefront_new_synth (card, hw_dev, acard)) == NULL) {
|
||||
snd_printk ("can't create WaveFront synth device\n");
|
||||
snd_card_free(card);
|
||||
snd_printk (KERN_ERR "can't create WaveFront synth device\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
|
|
@ -515,8 +485,7 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
/* --------- Mixer ------------ */
|
||||
|
||||
if ((err = snd_cs4231_mixer(chip)) < 0) {
|
||||
snd_printk ("can't allocate mixer device\n");
|
||||
snd_card_free(card);
|
||||
snd_printk (KERN_ERR "can't allocate mixer device\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
|
|
@ -528,8 +497,7 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
cs4232_mpu_irq[dev],
|
||||
SA_INTERRUPT,
|
||||
NULL)) < 0) {
|
||||
snd_printk ("can't allocate CS4232 MPU-401 device\n");
|
||||
snd_card_free(card);
|
||||
snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
|
||||
return err;
|
||||
}
|
||||
midi_dev++;
|
||||
|
|
@ -545,8 +513,7 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
ics2115_port[dev],
|
||||
internal_mpu);
|
||||
if (ics2115_internal_rmidi == NULL) {
|
||||
snd_printk ("can't setup ICS2115 internal MIDI device\n");
|
||||
snd_card_free(card);
|
||||
snd_printk (KERN_ERR "can't setup ICS2115 internal MIDI device\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
midi_dev++;
|
||||
|
|
@ -562,8 +529,7 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
ics2115_port[dev],
|
||||
external_mpu);
|
||||
if (ics2115_external_rmidi == NULL) {
|
||||
snd_printk ("can't setup ICS2115 external MIDI device\n");
|
||||
snd_card_free(card);
|
||||
snd_printk (KERN_ERR "can't setup ICS2115 external MIDI device\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
midi_dev++;
|
||||
|
|
@ -577,8 +543,7 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
acard,
|
||||
ics2115_port[dev]);
|
||||
if (fx_processor == NULL) {
|
||||
snd_printk ("can't setup FX device\n");
|
||||
snd_card_free(card);
|
||||
snd_printk (KERN_ERR "can't setup FX device\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
|
|
@ -619,49 +584,97 @@ snd_wavefront_probe (int dev, struct pnp_card_link *pcard,
|
|||
ics2115_port[dev],
|
||||
ics2115_irq[dev]);
|
||||
|
||||
if ((err = snd_card_set_generic_dev(card)) < 0) {
|
||||
snd_card_free(card);
|
||||
return err;
|
||||
return snd_card_register(card);
|
||||
}
|
||||
|
||||
static int __init snd_wavefront_nonpnp_probe(struct platform_device *pdev)
|
||||
{
|
||||
int dev = pdev->id;
|
||||
struct snd_card *card;
|
||||
int err;
|
||||
|
||||
if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
|
||||
snd_printk("specify CS4232 port\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
|
||||
snd_printk("specify ICS2115 port\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if ((err = snd_card_register(card)) < 0) {
|
||||
card = snd_wavefront_card_new(dev);
|
||||
if (! card)
|
||||
return -ENOMEM;
|
||||
snd_card_set_dev(card, &pdev->dev);
|
||||
if ((err = snd_wavefront_probe(card, dev)) < 0) {
|
||||
snd_card_free(card);
|
||||
return err;
|
||||
}
|
||||
if (pcard)
|
||||
pnp_set_card_drvdata(pcard, card);
|
||||
else
|
||||
snd_wavefront_legacy[dev] = card;
|
||||
|
||||
platform_set_drvdata(pdev, card);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
static int __devexit snd_wavefront_nonpnp_remove(struct platform_device *devptr)
|
||||
{
|
||||
snd_card_free(platform_get_drvdata(devptr));
|
||||
platform_set_drvdata(devptr, NULL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define WAVEFRONT_DRIVER "snd_wavefront"
|
||||
|
||||
static struct platform_driver snd_wavefront_driver = {
|
||||
.probe = snd_wavefront_nonpnp_probe,
|
||||
.remove = __devexit_p(snd_wavefront_nonpnp_remove),
|
||||
/* FIXME: suspend, resume */
|
||||
.driver = {
|
||||
.name = WAVEFRONT_DRIVER
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
#ifdef CONFIG_PNP
|
||||
|
||||
static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *card,
|
||||
const struct pnp_card_device_id *id)
|
||||
static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
|
||||
const struct pnp_card_device_id *pid)
|
||||
{
|
||||
static int dev;
|
||||
int res;
|
||||
static int dev;
|
||||
struct snd_card *card;
|
||||
int res;
|
||||
|
||||
for ( ; dev < SNDRV_CARDS; dev++) {
|
||||
if (!enable[dev] || !isapnp[dev])
|
||||
continue;
|
||||
res = snd_wavefront_probe(dev, card, id);
|
||||
if (res < 0)
|
||||
return res;
|
||||
dev++;
|
||||
return 0;
|
||||
}
|
||||
for ( ; dev < SNDRV_CARDS; dev++) {
|
||||
if (enable[dev] && isapnp[dev])
|
||||
break;
|
||||
}
|
||||
if (dev >= SNDRV_CARDS)
|
||||
return -ENODEV;
|
||||
|
||||
return -ENODEV;
|
||||
card = snd_wavefront_card_new(dev);
|
||||
if (! card)
|
||||
return -ENOMEM;
|
||||
|
||||
if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) {
|
||||
if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
|
||||
snd_printk (KERN_ERR "isapnp detection failed\n");
|
||||
snd_card_free (card);
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
snd_card_set_dev(card, &pcard->card->dev);
|
||||
|
||||
if ((res = snd_wavefront_probe(card, dev)) < 0)
|
||||
return res;
|
||||
|
||||
pnp_set_card_drvdata(pcard, card);
|
||||
dev++;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __devexit snd_wavefront_pnp_remove(struct pnp_card_link * pcard)
|
||||
{
|
||||
struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);
|
||||
|
||||
snd_card_disconnect(card);
|
||||
snd_card_free_in_thread(card);
|
||||
snd_card_free(pnp_get_card_drvdata(pcard));
|
||||
pnp_set_card_drvdata(pcard, NULL);
|
||||
}
|
||||
|
||||
static struct pnp_card_driver wavefront_pnpc_driver = {
|
||||
|
|
@ -670,31 +683,40 @@ static struct pnp_card_driver wavefront_pnpc_driver = {
|
|||
.id_table = snd_wavefront_pnpids,
|
||||
.probe = snd_wavefront_pnp_detect,
|
||||
.remove = __devexit_p(snd_wavefront_pnp_remove),
|
||||
/* FIXME: suspend,resume */
|
||||
};
|
||||
|
||||
#endif /* CONFIG_PNP */
|
||||
|
||||
static int __init alsa_card_wavefront_init(void)
|
||||
{
|
||||
int cards = 0;
|
||||
int dev;
|
||||
for (dev = 0; dev < SNDRV_CARDS; dev++) {
|
||||
if (!enable[dev])
|
||||
continue;
|
||||
int i, err, cards = 0;
|
||||
|
||||
if ((err = platform_driver_register(&snd_wavefront_driver)) < 0)
|
||||
return err;
|
||||
|
||||
for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
|
||||
struct platform_device *device;
|
||||
#ifdef CONFIG_PNP
|
||||
if (isapnp[dev])
|
||||
if (isapnp[i])
|
||||
continue;
|
||||
#endif
|
||||
if (snd_wavefront_probe(dev, NULL, NULL) >= 0)
|
||||
cards++;
|
||||
device = platform_device_register_simple(WAVEFRONT_DRIVER,
|
||||
i, NULL, 0);
|
||||
if (IS_ERR(device)) {
|
||||
platform_driver_unregister(&snd_wavefront_driver);
|
||||
return PTR_ERR(device);
|
||||
}
|
||||
cards++;
|
||||
}
|
||||
#ifdef CONFIG_PNP
|
||||
cards += pnp_register_card_driver(&wavefront_pnpc_driver);
|
||||
#endif
|
||||
|
||||
i = pnp_register_card_driver(&wavefront_pnpc_driver);
|
||||
if (i > 0)
|
||||
cards += i;
|
||||
|
||||
if (!cards) {
|
||||
#ifdef CONFIG_PNP
|
||||
pnp_unregister_card_driver(&wavefront_pnpc_driver);
|
||||
#endif
|
||||
platform_driver_unregister(&snd_wavefront_driver);
|
||||
#ifdef MODULE
|
||||
printk (KERN_ERR "No WaveFront cards found or devices busy\n");
|
||||
#endif
|
||||
|
|
@ -705,13 +727,8 @@ static int __init alsa_card_wavefront_init(void)
|
|||
|
||||
static void __exit alsa_card_wavefront_exit(void)
|
||||
{
|
||||
int idx;
|
||||
|
||||
#ifdef CONFIG_PNP
|
||||
pnp_unregister_card_driver(&wavefront_pnpc_driver);
|
||||
#endif
|
||||
for (idx = 0; idx < SNDRV_CARDS; idx++)
|
||||
snd_card_free(snd_wavefront_legacy[idx]);
|
||||
platform_driver_unregister(&snd_wavefront_driver);
|
||||
}
|
||||
|
||||
module_init(alsa_card_wavefront_init)
|
||||
|
|
|
|||
Loading…
Reference in New Issue