diff options
author | Takashi Iwai <tiwai@suse.de> | 2005-11-17 16:11:53 (GMT) |
---|---|---|
committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 11:28:27 (GMT) |
commit | 704e05204c623136ea12411dc4286d1caea6cd7c (patch) | |
tree | 3527413100be5eb599325eca50a933539fab6cf2 /sound/isa | |
parent | acdcbc15426b91b0041756a92ea4932c60def189 (diff) | |
download | linux-fsl-qoriq-704e05204c623136ea12411dc4286d1caea6cd7c.tar.xz |
[ALSA] opl3sa2 - Use platform_device
Modules: OPL3SA2 driver
Rewrite the probe/remove with platform_device.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa')
-rw-r--r-- | sound/isa/opl3sa2.c | 428 |
1 files changed, 228 insertions, 200 deletions
diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c index a343af7..b923de9 100644 --- a/sound/isa/opl3sa2.c +++ b/sound/isa/opl3sa2.c @@ -21,6 +21,8 @@ #include <sound/driver.h> #include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/pm.h> #include <linux/slab.h> @@ -126,21 +128,12 @@ struct snd_opl3sa2 { struct snd_hwdep *synth; struct snd_rawmidi *rmidi; struct snd_cs4231 *cs4231; -#ifdef CONFIG_PNP - struct pnp_dev *dev; -#endif unsigned char ctlregs[0x20]; int ymode; /* SL added */ struct snd_kcontrol *master_switch; struct snd_kcontrol *master_volume; -#ifdef CONFIG_PM - void (*cs4231_suspend)(struct snd_cs4231 *); - void (*cs4231_resume)(struct snd_cs4231 *); -#endif }; -static struct snd_card *snd_opl3sa2_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; - #define PFX "opl3sa2: " #ifdef CONFIG_PNP @@ -539,11 +532,10 @@ static int __init snd_opl3sa2_mixer(struct snd_opl3sa2 *chip) #ifdef CONFIG_PM static int snd_opl3sa2_suspend(struct snd_card *card, pm_message_t state) { - struct snd_opl3sa2 *chip = card->pm_private_data; - - snd_pcm_suspend_all(chip->cs4231->pcm); /* stop before saving regs */ - chip->cs4231_suspend(chip->cs4231); + struct snd_opl3sa2 *chip = card->private_data; + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + chip->cs4231->suspend(chip->cs4231); /* power down */ snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D3); @@ -552,7 +544,7 @@ static int snd_opl3sa2_suspend(struct snd_card *card, pm_message_t state) static int snd_opl3sa2_resume(struct snd_card *card) { - struct snd_opl3sa2 *chip = card->pm_private_data; + struct snd_opl3sa2 *chip = card->private_data; int i; /* power up */ @@ -568,23 +560,20 @@ static int snd_opl3sa2_resume(struct snd_card *card) snd_opl3sa2_write(chip, i, chip->ctlregs[i]); } /* restore cs4231 */ - chip->cs4231_resume(chip->cs4231); + chip->cs4231->resume(chip->cs4231); + snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } #endif /* CONFIG_PM */ #ifdef CONFIG_PNP static int __init snd_opl3sa2_pnp(int dev, struct snd_opl3sa2 *chip, - struct pnp_dev *pdev, - int isapnp) + struct pnp_dev *pdev) { struct pnp_resource_table * cfg; int err; - if (!isapnp && pnp_device_is_isapnp(pdev)) - return -ENOENT; /* we have another procedure - card */ - cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL); if (!cfg) return -ENOMEM; @@ -607,7 +596,7 @@ static int __init snd_opl3sa2_pnp(int dev, struct snd_opl3sa2 *chip, if (irq[dev] != SNDRV_AUTO_IRQ) pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1); err = pnp_manual_config_dev(pdev, cfg, 0); - if (err < 0 && isapnp) + if (err < 0) snd_printk(KERN_ERR "PnP manual resources are invalid, using auto config\n"); err = pnp_activate_dev(pdev); if (err < 0) { @@ -628,111 +617,47 @@ static int __init snd_opl3sa2_pnp(int dev, struct snd_opl3sa2 *chip, snd_printdd("%sPnP OPL3-SA: control port=0x%lx, dma1=%i, dma2=%i, irq=%i\n", pnp_device_is_pnpbios(pdev) ? "BIOS" : "ISA", port[dev], dma1[dev], dma2[dev], irq[dev]); kfree(cfg); - chip->dev = pdev; return 0; } - -static int __init snd_opl3sa2_cpnp(int dev, struct snd_opl3sa2 *chip, - struct pnp_card_link *card, - const struct pnp_card_device_id *id) -{ - struct pnp_dev *pdev; - struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL); - - if (!cfg) - return -ENOMEM; - pdev = pnp_request_card_device(card, id->devs[0].id, NULL); - if (pdev == NULL) { - kfree(cfg); - return -EBUSY; - } - return snd_opl3sa2_pnp(dev, chip, pdev, 1); -} #endif /* CONFIG_PNP */ -static int snd_opl3sa2_free(struct snd_opl3sa2 *chip) +static void snd_opl3sa2_free(struct snd_card *card) { + struct snd_opl3sa2 *chip = card->private_data; if (chip->irq >= 0) free_irq(chip->irq, (void *)chip); release_and_free_resource(chip->res_port); - kfree(chip); - return 0; } -static int snd_opl3sa2_dev_free(struct snd_device *device) +static struct snd_card *snd_opl3sa2_card_new(int dev) { - struct snd_opl3sa2 *chip = device->device_data; - return snd_opl3sa2_free(chip); -} - -#ifdef CONFIG_PNP -#define is_isapnp_selected(dev) isapnp[dev] -#else -#define is_isapnp_selected(dev) 0 -#endif - -static int __devinit snd_opl3sa2_probe(int dev, - struct pnp_dev *pdev, - struct pnp_card_link *pcard, - const struct pnp_card_device_id *pid) -{ - int xirq, xdma1, xdma2; struct snd_card *card; struct snd_opl3sa2 *chip; - struct snd_cs4231 *cs4231; - struct snd_opl3 *opl3; - static struct snd_device_ops ops = { - .dev_free = snd_opl3sa2_dev_free, - }; - int err; - if (! is_isapnp_selected(dev)) { - if (port[dev] == SNDRV_AUTO_PORT) { - snd_printk(KERN_ERR PFX "specify port\n"); - return -EINVAL; - } - if (wss_port[dev] == SNDRV_AUTO_PORT) { - snd_printk(KERN_ERR PFX "specify wss_port\n"); - return -EINVAL; - } - if (fm_port[dev] == SNDRV_AUTO_PORT) { - snd_printk(KERN_ERR PFX "specify fm_port\n"); - return -EINVAL; - } - if (midi_port[dev] == SNDRV_AUTO_PORT) { - snd_printk(KERN_ERR PFX "specify midi_port\n"); - return -EINVAL; - } - } - - card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); + card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_opl3sa2)); if (card == NULL) - return -ENOMEM; + return NULL; strcpy(card->driver, "OPL3SA2"); strcpy(card->shortname, "Yamaha OPL3-SA2"); - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - err = -ENOMEM; - goto __error; - } + chip = card->private_data; spin_lock_init(&chip->reg_lock); chip->irq = -1; - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) - goto __error; -#ifdef CONFIG_PNP - if (pdev) { - if ((err = snd_opl3sa2_pnp(dev, chip, pdev, 0)) < 0) - goto __error; - snd_card_set_dev(card, &pdev->dev); - } - if (pcard) { - if ((err = snd_opl3sa2_cpnp(dev, chip, pcard, pid)) < 0) - goto __error; - snd_card_set_dev(card, &pcard->card->dev); - } -#endif - chip->ymode = opl3sa3_ymode[dev] & 0x03 ; /* initialise this card from supplied (or default) parameter*/ chip->card = card; + card->private_free = snd_opl3sa2_free; + return card; +} + +static int __devinit snd_opl3sa2_probe(struct snd_card *card, int dev) +{ + int xirq, xdma1, xdma2; + struct snd_opl3sa2 *chip; + struct snd_cs4231 *cs4231; + struct snd_opl3 *opl3; + int err; + + /* initialise this card from supplied (or default) parameter*/ + chip = card->private_data; + chip->ymode = opl3sa3_ymode[dev] & 0x03 ; chip->port = port[dev]; xirq = irq[dev]; xdma1 = dma1[dev]; @@ -740,11 +665,10 @@ static int __devinit snd_opl3sa2_probe(int dev, if (xdma2 < 0) chip->single_dma = 1; if ((err = snd_opl3sa2_detect(chip)) < 0) - goto __error; - if (request_irq(xirq, snd_opl3sa2_interrupt, SA_INTERRUPT, "OPL3-SA2", (void *)chip)) { + return err; + if (request_irq(xirq, snd_opl3sa2_interrupt, SA_INTERRUPT, "OPL3-SA2", chip)) { snd_printk(KERN_ERR PFX "can't grab IRQ %d\n", xirq); - err = -ENODEV; - goto __error; + return -ENODEV; } chip->irq = xirq; if ((err = snd_cs4231_create(card, @@ -754,163 +678,273 @@ static int __devinit snd_opl3sa2_probe(int dev, CS4231_HWSHARE_IRQ, &cs4231)) < 0) { snd_printd("Oops, WSS not detected at 0x%lx\n", wss_port[dev] + 4); - goto __error; + return err; } chip->cs4231 = cs4231; if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) - goto __error; + return err; if ((err = snd_cs4231_mixer(cs4231)) < 0) - goto __error; + return err; if ((err = snd_opl3sa2_mixer(chip)) < 0) - goto __error; + return err; if ((err = snd_cs4231_timer(cs4231, 0, NULL)) < 0) - goto __error; + return err; if (fm_port[dev] >= 0x340 && fm_port[dev] < 0x400) { if ((err = snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2, OPL3_HW_OPL3, 0, &opl3)) < 0) - goto __error; + return err; if ((err = snd_opl3_timer_new(opl3, 1, 2)) < 0) - goto __error; + return err; if ((err = snd_opl3_hwdep_new(opl3, 0, 1, &chip->synth)) < 0) - goto __error; + return err; } if (midi_port[dev] >= 0x300 && midi_port[dev] < 0x340) { if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_OPL3SA2, midi_port[dev], 0, xirq, 0, &chip->rmidi)) < 0) - goto __error; + return err; } -#ifdef CONFIG_PM - chip->cs4231_suspend = chip->cs4231->suspend; - chip->cs4231_resume = chip->cs4231->resume; - /* now clear callbacks for cs4231 */ - chip->cs4231->suspend = NULL; - chip->cs4231->resume = NULL; - snd_card_set_isa_pm_callback(card, snd_opl3sa2_suspend, snd_opl3sa2_resume, chip); -#endif - sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", card->shortname, chip->port, xirq, xdma1); if (dma2 >= 0) sprintf(card->longname + strlen(card->longname), "&%d", xdma2); - if ((err = snd_card_set_generic_dev(card)) < 0) - goto __error; - - if ((err = snd_card_register(card)) < 0) - goto __error; - - if (pdev) - pnp_set_drvdata(pdev, card); - else if (pcard) - pnp_set_card_drvdata(pcard, card); - else - snd_opl3sa2_legacy[dev] = card; - return 0; - - __error: - snd_card_free(card); - return err; + return snd_card_register(card); } #ifdef CONFIG_PNP static int __devinit snd_opl3sa2_pnp_detect(struct pnp_dev *pdev, const struct pnp_device_id *id) { - static int dev; - int res; + static int dev; + int err; + struct snd_card *card; + + if (pnp_device_is_isapnp(pdev)) + return -ENOENT; /* we have another procedure - card */ + for (; dev < SNDRV_CARDS; dev++) { + if (enable[dev] && isapnp[dev]) + break; + } + if (dev >= SNDRV_CARDS) + return -ENODEV; - for ( ; dev < SNDRV_CARDS; dev++) { - if (!enable[dev] || !isapnp[dev]) - continue; - res = snd_opl3sa2_probe(dev, pdev, NULL, NULL); - if (res < 0) - return res; - dev++; - return 0; - } - return -ENODEV; + card = snd_opl3sa2_card_new(dev); + if (! card) + return -ENOMEM; + if ((err = snd_opl3sa2_pnp(dev, card->private_data, pdev)) < 0) { + snd_card_free(card); + return err; + } + snd_card_set_dev(card, &pdev->dev); + if ((err = snd_opl3sa2_probe(card, dev)) < 0) { + snd_card_free(card); + return err; + } + pnp_set_drvdata(pdev, card); + dev++; + return 0; } static void __devexit snd_opl3sa2_pnp_remove(struct pnp_dev * pdev) { - struct snd_card *card = (struct snd_card *) pnp_get_drvdata(pdev); - - snd_card_disconnect(card); - snd_card_free_in_thread(card); + snd_card_free(pnp_get_drvdata(pdev)); + pnp_set_drvdata(pdev, NULL); } +#ifdef CONFIG_PM +static int snd_opl3sa2_pnp_suspend(struct pnp_dev *pdev, pm_message_t state) +{ + return snd_opl3sa2_suspend(pnp_get_drvdata(pdev), state); +} +static int snd_opl3sa2_pnp_resume(struct pnp_dev *pdev) +{ + return snd_opl3sa2_resume(pnp_get_drvdata(pdev)); +} +#endif + static struct pnp_driver opl3sa2_pnp_driver = { .name = "opl3sa2-pnpbios", .id_table = snd_opl3sa2_pnpbiosids, .probe = snd_opl3sa2_pnp_detect, .remove = __devexit_p(snd_opl3sa2_pnp_remove), +#ifdef CONFIG_PM + .suspend = snd_opl3sa2_pnp_suspend, + .resume = snd_opl3sa2_pnp_resume, +#endif }; -static int __devinit snd_opl3sa2_pnp_cdetect(struct pnp_card_link *card, +static int __devinit snd_opl3sa2_pnp_cdetect(struct pnp_card_link *pcard, const struct pnp_card_device_id *id) { - static int dev; - int res; + static int dev; + struct pnp_dev *pdev; + int err; + struct snd_card *card; - for ( ; dev < SNDRV_CARDS; dev++) { - if (!enable[dev]) - continue; - if (is_isapnp_selected(dev)) - continue; - res = snd_opl3sa2_probe(dev, NULL, card, id); - if (res < 0) - return res; - dev++; - return 0; - } - return -ENODEV; + pdev = pnp_request_card_device(pcard, id->devs[0].id, NULL); + if (pdev == NULL) + return -EBUSY; + for (; dev < SNDRV_CARDS; dev++) { + if (enable[dev] && isapnp[dev]) + break; + } + if (dev >= SNDRV_CARDS) + return -ENODEV; + + card = snd_opl3sa2_card_new(dev); + if (! card) + return -ENOMEM; + if ((err = snd_opl3sa2_pnp(dev, card->private_data, pdev)) < 0) { + snd_card_free(card); + return err; + } + snd_card_set_dev(card, &pdev->dev); + if ((err = snd_opl3sa2_probe(card, dev)) < 0) { + snd_card_free(card); + return err; + } + pnp_set_card_drvdata(pcard, card); + dev++; + return 0; } static void __devexit snd_opl3sa2_pnp_cremove(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); } +#ifdef CONFIG_PM +static int snd_opl3sa2_pnp_csuspend(struct pnp_card_link *pcard, pm_message_t state) +{ + return snd_opl3sa2_suspend(pnp_get_card_drvdata(pcard), state); +} +static int snd_opl3sa2_pnp_cresume(struct pnp_card_link *pcard) +{ + return snd_opl3sa2_resume(pnp_get_card_drvdata(pcard)); +} +#endif + static struct pnp_card_driver opl3sa2_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = "opl3sa2", .id_table = snd_opl3sa2_pnpids, .probe = snd_opl3sa2_pnp_cdetect, .remove = __devexit_p(snd_opl3sa2_pnp_cremove), +#ifdef CONFIG_PM + .suspend = snd_opl3sa2_pnp_csuspend, + .resume = snd_opl3sa2_pnp_cresume, +#endif }; #endif /* CONFIG_PNP */ +static int __init snd_opl3sa2_nonpnp_probe(struct platform_device *pdev) +{ + struct snd_card *card; + int err; + int dev = pdev->id; + + if (port[dev] == SNDRV_AUTO_PORT) { + snd_printk(KERN_ERR PFX "specify port\n"); + return -EINVAL; + } + if (wss_port[dev] == SNDRV_AUTO_PORT) { + snd_printk(KERN_ERR PFX "specify wss_port\n"); + return -EINVAL; + } + if (fm_port[dev] == SNDRV_AUTO_PORT) { + snd_printk(KERN_ERR PFX "specify fm_port\n"); + return -EINVAL; + } + if (midi_port[dev] == SNDRV_AUTO_PORT) { + snd_printk(KERN_ERR PFX "specify midi_port\n"); + return -EINVAL; + } + + card = snd_opl3sa2_card_new(dev); + if (! card) + return -ENOMEM; + snd_card_set_dev(card, &pdev->dev); + if ((err = snd_opl3sa2_probe(card, dev)) < 0) { + snd_card_free(card); + return err; + } + platform_set_drvdata(pdev, card); + return 0; +} + +static int snd_opl3sa2_nonpnp_remove(struct platform_device *devptr) +{ + snd_card_free(platform_get_drvdata(devptr)); + platform_set_drvdata(devptr, NULL); + return 0; +} + +#ifdef CONFIG_PM +static int snd_opl3sa2_nonpnp_suspend(struct platform_device *dev, pm_message_t state) +{ + return snd_opl3sa2_suspend(platform_get_drvdata(dev), state); +} + +static int snd_opl3sa2_nonpnp_resume(struct platform_device *dev) +{ + return snd_opl3sa2_resume(platform_get_drvdata(dev)); +} +#endif + +#define OPL3SA2_DRIVER "snd_opl3sa2" + +static struct platform_driver snd_opl3sa2_nonpnp_driver = { + .probe = snd_opl3sa2_nonpnp_probe, + .remove = snd_opl3sa2_nonpnp_remove, +#ifdef CONFIG_PM + .suspend = snd_opl3sa2_nonpnp_suspend, + .resume = snd_opl3sa2_nonpnp_resume, +#endif + .driver = { + .name = OPL3SA2_DRIVER + }, +}; + static int __init alsa_card_opl3sa2_init(void) { - int dev, cards = 0; + int i, err, cards = 0; - for (dev = 0; dev < SNDRV_CARDS; dev++) { - if (!enable[dev]) - continue; + if ((err = platform_driver_register(&snd_opl3sa2_nonpnp_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_opl3sa2_probe(dev, NULL, NULL, NULL) >= 0) - cards++; + device = platform_device_register_simple(OPL3SA2_DRIVER, + i, NULL, 0); + if (IS_ERR(device)) { + err = PTR_ERR(device); + platform_driver_unregister(&snd_opl3sa2_nonpnp_driver); + return err; + } + cards++; } -#ifdef CONFIG_PNP - cards += pnp_register_driver(&opl3sa2_pnp_driver); - cards += pnp_register_card_driver(&opl3sa2_pnpc_driver); -#endif + + err = pnp_register_driver(&opl3sa2_pnp_driver); + if (err > 0) + cards += err; + err = pnp_register_card_driver(&opl3sa2_pnpc_driver); + if (err > 0) + cards += err; + if (!cards) { #ifdef MODULE snd_printk(KERN_ERR "Yamaha OPL3-SA soundcard not found or device busy\n"); #endif -#ifdef CONFIG_PNP pnp_unregister_card_driver(&opl3sa2_pnpc_driver); pnp_unregister_driver(&opl3sa2_pnp_driver); -#endif + platform_driver_unregister(&snd_opl3sa2_nonpnp_driver); return -ENODEV; } return 0; @@ -918,15 +952,9 @@ static int __init alsa_card_opl3sa2_init(void) static void __exit alsa_card_opl3sa2_exit(void) { - int idx; - -#ifdef CONFIG_PNP - /* PnP cards first */ pnp_unregister_card_driver(&opl3sa2_pnpc_driver); pnp_unregister_driver(&opl3sa2_pnp_driver); -#endif - for (idx = 0; idx < SNDRV_CARDS; idx++) - snd_card_free(snd_opl3sa2_legacy[idx]); + platform_driver_unregister(&snd_opl3sa2_nonpnp_driver); } module_init(alsa_card_opl3sa2_init) |