From 2bd320f89d417c370f4cf45470d102332c25ea24 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 27 Aug 2008 00:30:59 -0700 Subject: [PATCH] dbri: Convert to pure OF driver. Signed-off-by: David S. Miller --- sound/sparc/dbri.c | 59 +++++++++++++++++++++------------------------- 1 file changed, 27 insertions(+), 32 deletions(-) diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c index 5242ecbb91d5..446f985b76fb 100644 --- a/sound/sparc/dbri.c +++ b/sound/sparc/dbri.c @@ -67,7 +67,7 @@ #include #include -#include +#include #include MODULE_AUTHOR("Rudolf Koenig, Brent Baccala and Martin Habets"); @@ -298,7 +298,7 @@ struct dbri_streaminfo { /* This structure holds the information for both chips (DBRI & CS4215) */ struct snd_dbri { int regs_size, irq; /* Needed for unload */ - struct sbus_dev *sdev; /* SBUS device info */ + struct of_device *op; /* OF device info */ spinlock_t lock; struct dbri_dma *dma; /* Pointer to our DMA block */ @@ -2099,7 +2099,7 @@ static int snd_dbri_hw_params(struct snd_pcm_substream *substream, direction = DMA_FROM_DEVICE; info->dvma_buffer = - dma_map_single(&dbri->sdev->ofdev.dev, + dma_map_single(&dbri->op->dev, runtime->dma_area, params_buffer_bytes(hw_params), direction); @@ -2127,7 +2127,7 @@ static int snd_dbri_hw_free(struct snd_pcm_substream *substream) else direction = DMA_FROM_DEVICE; - dma_unmap_single(&dbri->sdev->ofdev.dev, info->dvma_buffer, + dma_unmap_single(&dbri->op->dev, info->dvma_buffer, substream->runtime->buffer_size, direction); info->dvma_buffer = 0; } @@ -2516,17 +2516,17 @@ static void __devinit snd_dbri_proc(struct snd_card *card) static void snd_dbri_free(struct snd_dbri *dbri); static int __devinit snd_dbri_create(struct snd_card *card, - struct sbus_dev *sdev, - int irq, int dev) + struct of_device *op, + int irq, int dev) { struct snd_dbri *dbri = card->private_data; int err; spin_lock_init(&dbri->lock); - dbri->sdev = sdev; + dbri->op = op; dbri->irq = irq; - dbri->dma = dma_alloc_coherent(&sdev->ofdev.dev, + dbri->dma = dma_alloc_coherent(&op->dev, sizeof(struct dbri_dma), &dbri->dma_dvma, GFP_ATOMIC); memset((void *)dbri->dma, 0, sizeof(struct dbri_dma)); @@ -2535,12 +2535,12 @@ static int __devinit snd_dbri_create(struct snd_card *card, dbri->dma, dbri->dma_dvma); /* Map the registers into memory. */ - dbri->regs_size = sdev->reg_addrs[0].reg_size; - dbri->regs = sbus_ioremap(&sdev->resource[0], 0, - dbri->regs_size, "DBRI Registers"); + dbri->regs_size = resource_size(&op->resource[0]); + dbri->regs = of_ioremap(&op->resource[0], 0, + dbri->regs_size, "DBRI Registers"); if (!dbri->regs) { printk(KERN_ERR "DBRI: could not allocate registers\n"); - dma_free_coherent(&sdev->ofdev.dev, sizeof(struct dbri_dma), + dma_free_coherent(&op->dev, sizeof(struct dbri_dma), (void *)dbri->dma, dbri->dma_dvma); return -EIO; } @@ -2549,8 +2549,8 @@ static int __devinit snd_dbri_create(struct snd_card *card, "DBRI audio", dbri); if (err) { printk(KERN_ERR "DBRI: Can't get irq %d\n", dbri->irq); - sbus_iounmap(dbri->regs, dbri->regs_size); - dma_free_coherent(&sdev->ofdev.dev, sizeof(struct dbri_dma), + of_iounmap(&op->resource[0], dbri->regs, dbri->regs_size); + dma_free_coherent(&op->dev, sizeof(struct dbri_dma), (void *)dbri->dma, dbri->dma_dvma); return err; } @@ -2575,28 +2575,23 @@ static void snd_dbri_free(struct snd_dbri *dbri) free_irq(dbri->irq, dbri); if (dbri->regs) - sbus_iounmap(dbri->regs, dbri->regs_size); + of_iounmap(&dbri->op->resource[0], dbri->regs, dbri->regs_size); if (dbri->dma) - dma_free_coherent(&dbri->sdev->ofdev.dev, + dma_free_coherent(&dbri->op->dev, sizeof(struct dbri_dma), (void *)dbri->dma, dbri->dma_dvma); } -static int __devinit dbri_probe(struct of_device *of_dev, - const struct of_device_id *match) +static int __devinit dbri_probe(struct of_device *op, const struct of_device_id *match) { - struct sbus_dev *sdev = to_sbus_device(&of_dev->dev); struct snd_dbri *dbri; - int irq; struct resource *rp; struct snd_card *card; static int dev = 0; + int irq; int err; - dprintk(D_GEN, "DBRI: Found %s in SBUS slot %d\n", - sdev->prom_name, sdev->slot); - if (dev >= SNDRV_CARDS) return -ENODEV; if (!enable[dev]) { @@ -2604,7 +2599,7 @@ static int __devinit dbri_probe(struct of_device *of_dev, return -ENOENT; } - irq = sdev->irqs[0]; + irq = op->irqs[0]; if (irq <= 0) { printk(KERN_ERR "DBRI-%d: No IRQ.\n", dev); return -ENODEV; @@ -2617,12 +2612,12 @@ static int __devinit dbri_probe(struct of_device *of_dev, strcpy(card->driver, "DBRI"); strcpy(card->shortname, "Sun DBRI"); - rp = &sdev->resource[0]; + rp = &op->resource[0]; sprintf(card->longname, "%s at 0x%02lx:0x%016Lx, irq %d", card->shortname, rp->flags & 0xffL, (unsigned long long)rp->start, irq); - err = snd_dbri_create(card, sdev, irq, dev); + err = snd_dbri_create(card, op, irq, dev); if (err < 0) { snd_card_free(card); return err; @@ -2639,7 +2634,7 @@ static int __devinit dbri_probe(struct of_device *of_dev, /* /proc file handling */ snd_dbri_proc(card); - dev_set_drvdata(&of_dev->dev, card); + dev_set_drvdata(&op->dev, card); err = snd_card_register(card); if (err < 0) @@ -2647,7 +2642,7 @@ static int __devinit dbri_probe(struct of_device *of_dev, printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n", dev, dbri->regs, - dbri->irq, sdev->prom_name[9], dbri->mm.version); + dbri->irq, op->node->name[9], dbri->mm.version); dev++; return 0; @@ -2658,14 +2653,14 @@ _err: return err; } -static int __devexit dbri_remove(struct of_device *dev) +static int __devexit dbri_remove(struct of_device *op) { - struct snd_card *card = dev_get_drvdata(&dev->dev); + struct snd_card *card = dev_get_drvdata(&op->dev); snd_dbri_free(card->private_data); snd_card_free(card); - dev_set_drvdata(&dev->dev, NULL); + dev_set_drvdata(&op->dev, NULL); return 0; } @@ -2692,7 +2687,7 @@ static struct of_platform_driver dbri_sbus_driver = { /* Probe for the dbri chip and then attach the driver. */ static int __init dbri_init(void) { - return of_register_driver(&dbri_sbus_driver, &sbus_bus_type); + return of_register_driver(&dbri_sbus_driver, &of_bus_type); } static void __exit dbri_exit(void) -- 2.30.2