diff options
| -rw-r--r-- | sound/sparc/cs4231.c | 78 |
1 files changed, 50 insertions, 28 deletions
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index e2be131723ed..271b0420f8be 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -1,6 +1,6 @@ /* * Driver for CS4231 sound chips found on Sparcs. - * Copyright (C) 2002 David S. Miller <davem@redhat.com> + * Copyright (C) 2002, 2008 David S. Miller <davem@davemloft.net> * * Based entirely upon drivers/sbus/audio/cs4231.c which is: * Copyright (C) 1996, 1997, 1998 Derrick J Brashear (shadow@andrew.cmu.edu) @@ -17,7 +17,8 @@ #include <linux/moduleparam.h> #include <linux/irq.h> #include <linux/io.h> - +#include <linux/of.h> +#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> @@ -29,7 +30,6 @@ #ifdef CONFIG_SBUS #define SBUS_SUPPORT -#include <asm/sbus.h> #endif #if defined(CONFIG_PCI) && defined(CONFIG_SPARC64) @@ -116,7 +116,7 @@ struct snd_cs4231 { union { #ifdef SBUS_SUPPORT - struct sbus_dev *sdev; + struct of_device *op; #endif #ifdef EBUS_SUPPORT struct pci_dev *pdev; @@ -1785,7 +1785,7 @@ static unsigned int sbus_dma_addr(struct cs4231_dma_control *dma_cont) static void sbus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm) { snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - &chip->dev_u.sdev->ofdev.dev, + &chip->dev_u.op->dev, 64 * 1024, 128 * 1024); } @@ -1795,11 +1795,13 @@ static void sbus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm) static int snd_cs4231_sbus_free(struct snd_cs4231 *chip) { + struct of_device *op = chip->dev_u.op; + if (chip->irq[0]) free_irq(chip->irq[0], chip); if (chip->port) - sbus_iounmap(chip->port, chip->regs_size); + of_iounmap(&op->resource[0], chip->port, chip->regs_size); return 0; } @@ -1816,7 +1818,7 @@ static struct snd_device_ops snd_cs4231_sbus_dev_ops = { }; static int __init snd_cs4231_sbus_create(struct snd_card *card, - struct sbus_dev *sdev, + struct of_device *op, int dev) { struct snd_cs4231 *chip = card->private_data; @@ -1827,13 +1829,13 @@ static int __init snd_cs4231_sbus_create(struct snd_card *card, spin_lock_init(&chip->p_dma.sbus_info.lock); mutex_init(&chip->mce_mutex); mutex_init(&chip->open_mutex); - chip->dev_u.sdev = sdev; - chip->regs_size = sdev->reg_addrs[0].reg_size; + chip->dev_u.op = op; + chip->regs_size = resource_size(&op->resource[0]); memcpy(&chip->image, &snd_cs4231_original_image, sizeof(snd_cs4231_original_image)); - chip->port = sbus_ioremap(&sdev->resource[0], 0, - chip->regs_size, "cs4231"); + chip->port = of_ioremap(&op->resource[0], 0, + chip->regs_size, "cs4231"); if (!chip->port) { snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev); return -EIO; @@ -1856,14 +1858,14 @@ static int __init snd_cs4231_sbus_create(struct snd_card *card, chip->c_dma.address = sbus_dma_addr; chip->c_dma.preallocate = sbus_dma_preallocate; - if (request_irq(sdev->irqs[0], snd_cs4231_sbus_interrupt, + if (request_irq(op->irqs[0], snd_cs4231_sbus_interrupt, IRQF_SHARED, "cs4231", chip)) { snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n", - dev, sdev->irqs[0]); + dev, op->irqs[0]); snd_cs4231_sbus_free(chip); return -EBUSY; } - chip->irq[0] = sdev->irqs[0]; + chip->irq[0] = op->irqs[0]; if (snd_cs4231_probe(chip) < 0) { snd_cs4231_sbus_free(chip); @@ -1880,12 +1882,16 @@ static int __init snd_cs4231_sbus_create(struct snd_card *card, return 0; } -static int __init cs4231_sbus_attach(struct sbus_dev *sdev) +static int __devinit cs4231_probe(struct of_device *op, const struct of_device_id *match) { - struct resource *rp = &sdev->resource[0]; + struct resource *rp = &op->resource[0]; struct snd_card *card; int err; + if (strcmp(op->node->parent->name, "sbus") && + strcmp(op->node->parent->name, "sbi")) + return -ENODEV; + err = cs4231_attach_begin(&card); if (err) return err; @@ -1894,9 +1900,9 @@ static int __init cs4231_sbus_attach(struct sbus_dev *sdev) card->shortname, rp->flags & 0xffL, (unsigned long long)rp->start, - sdev->irqs[0]); + op->irqs[0]); - err = snd_cs4231_sbus_create(card, sdev, dev); + err = snd_cs4231_sbus_create(card, op, dev); if (err < 0) { snd_card_free(card); return err; @@ -2101,12 +2107,25 @@ static int __init cs4231_ebus_attach(struct linux_ebus_device *edev) } #endif -static int __init cs4231_init(void) -{ #ifdef SBUS_SUPPORT - struct sbus_bus *sbus; - struct sbus_dev *sdev; +static struct of_device_id cs4231_match[] = { + { + .name = "SUNW,CS4231", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, cs4231_match); + +static struct of_platform_driver cs4231_driver = { + .name = "audio", + .match_table = cs4231_match, + .probe = cs4231_probe, +}; #endif + +static int __init cs4231_init(void) +{ #ifdef EBUS_SUPPORT struct linux_ebus *ebus; struct linux_ebus_device *edev; @@ -2116,11 +2135,10 @@ static int __init cs4231_init(void) found = 0; #ifdef SBUS_SUPPORT - for_all_sbusdev(sdev, sbus) { - if (!strcmp(sdev->prom_name, "SUNW,CS4231")) { - if (cs4231_sbus_attach(sdev) == 0) - found++; - } + { + int err = of_register_driver(&cs4231_driver, &of_bus_type); + if (err) + return err; } #endif #ifdef EBUS_SUPPORT @@ -2147,13 +2165,17 @@ static int __init cs4231_init(void) #endif - return (found > 0) ? 0 : -EIO; + return 0; } static void __exit cs4231_exit(void) { struct snd_cs4231 *p = cs4231_list; +#ifdef SBUS_SUPPORT + of_unregister_driver(&cs4231_driver); +#endif + while (p != NULL) { struct snd_cs4231 *next = p->next; |