diff options
Diffstat (limited to 'sound/sparc/dbri.c')
| -rw-r--r-- | sound/sparc/dbri.c | 168 |
1 files changed, 83 insertions, 85 deletions
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c index 3d00e0797b1..be1b1aa96b7 100644 --- a/sound/sparc/dbri.c +++ b/sound/sparc/dbri.c @@ -57,6 +57,8 @@ #include <linux/delay.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/dma-mapping.h> +#include <linux/gfp.h> #include <sound/core.h> #include <sound/pcm.h> @@ -66,8 +68,9 @@ #include <sound/initval.h> #include <linux/of.h> -#include <asm/sbus.h> -#include <asm/atomic.h> +#include <linux/of_device.h> +#include <linux/atomic.h> +#include <linux/module.h> MODULE_AUTHOR("Rudolf Koenig, Brent Baccala and Martin Habets"); MODULE_DESCRIPTION("Sun DBRI"); @@ -77,7 +80,7 @@ MODULE_SUPPORTED_DEVICE("{{Sun,DBRI}}"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ /* Enable this card */ -static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for Sun DBRI soundcard."); @@ -297,7 +300,7 @@ 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 platform_device *op; /* OF device info */ spinlock_t lock; struct dbri_dma *dma; /* Pointer to our DMA block */ @@ -589,7 +592,7 @@ static __u32 reverse_bytes(__u32 b, int len) break; default: printk(KERN_ERR "DBRI reverse_bytes: unsupported length\n"); - }; + } return b; } @@ -742,7 +745,7 @@ static void dbri_reset(struct snd_dbri *dbri) } /* Lock must not be held before calling this */ -static void __devinit dbri_initialize(struct snd_dbri *dbri) +static void dbri_initialize(struct snd_dbri *dbri) { s32 *cmd; u32 dma_addr; @@ -1302,7 +1305,7 @@ to the DBRI via the CHI interface and few of the DBRI's PIO pins. * Lock must not be held before calling it. */ -static __devinit void cs4215_setup_pipes(struct snd_dbri *dbri) +static void cs4215_setup_pipes(struct snd_dbri *dbri) { unsigned long flags; @@ -1335,7 +1338,7 @@ static __devinit void cs4215_setup_pipes(struct snd_dbri *dbri) dbri_cmdwait(dbri); } -static __devinit int cs4215_init_data(struct cs4215 *mm) +static int cs4215_init_data(struct cs4215 *mm) { /* * No action, memory resetting only. @@ -1627,7 +1630,7 @@ static int cs4215_prepare(struct snd_dbri *dbri, unsigned int rate, /* * */ -static __devinit int cs4215_init(struct snd_dbri *dbri) +static int cs4215_init(struct snd_dbri *dbri) { u32 reg2 = sbus_readl(dbri->regs + REG2); dprintk(D_MM, "cs4215_init: reg2=0x%x\n", reg2); @@ -1974,7 +1977,8 @@ static struct snd_pcm_hardware snd_dbri_pcm_hw = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID, + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH, .formats = SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_U8 | @@ -2093,14 +2097,15 @@ static int snd_dbri_hw_params(struct snd_pcm_substream *substream, */ if (info->dvma_buffer == 0) { if (DBRI_STREAMNO(substream) == DBRI_PLAY) - direction = SBUS_DMA_TODEVICE; + direction = DMA_TO_DEVICE; else - direction = SBUS_DMA_FROMDEVICE; + direction = DMA_FROM_DEVICE; - info->dvma_buffer = sbus_map_single(dbri->sdev, - runtime->dma_area, - params_buffer_bytes(hw_params), - direction); + info->dvma_buffer = + dma_map_single(&dbri->op->dev, + runtime->dma_area, + params_buffer_bytes(hw_params), + direction); } direction = params_buffer_bytes(hw_params); @@ -2121,12 +2126,12 @@ static int snd_dbri_hw_free(struct snd_pcm_substream *substream) */ if (info->dvma_buffer) { if (DBRI_STREAMNO(substream) == DBRI_PLAY) - direction = SBUS_DMA_TODEVICE; + direction = DMA_TO_DEVICE; else - direction = SBUS_DMA_FROMDEVICE; + direction = DMA_FROM_DEVICE; - sbus_unmap_single(dbri->sdev, info->dvma_buffer, - substream->runtime->buffer_size, direction); + dma_unmap_single(&dbri->op->dev, info->dvma_buffer, + substream->runtime->buffer_size, direction); info->dvma_buffer = 0; } if (info->pipe != -1) { @@ -2212,7 +2217,7 @@ static struct snd_pcm_ops snd_dbri_ops = { .pointer = snd_dbri_pointer, }; -static int __devinit snd_dbri_pcm(struct snd_card *card) +static int snd_dbri_pcm(struct snd_card *card) { struct snd_pcm *pcm; int err; @@ -2223,7 +2228,6 @@ static int __devinit snd_dbri_pcm(struct snd_card *card) /* playback count */ 1, /* capture count */ 1, &pcm)) < 0) return err; - snd_assert(pcm != NULL, return -EINVAL); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_dbri_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_dbri_ops); @@ -2263,9 +2267,10 @@ static int snd_cs4215_get_volume(struct snd_kcontrol *kcontrol, { struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol); struct dbri_streaminfo *info; - snd_assert(dbri != NULL, return -EINVAL); + + if (snd_BUG_ON(!dbri)) + return -EINVAL; info = &dbri->stream_info[kcontrol->private_value]; - snd_assert(info != NULL, return -EINVAL); ucontrol->value.integer.value[0] = info->left_gain; ucontrol->value.integer.value[1] = info->right_gain; @@ -2331,7 +2336,9 @@ static int snd_cs4215_get_single(struct snd_kcontrol *kcontrol, int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 1; - snd_assert(dbri != NULL, return -EINVAL); + + if (snd_BUG_ON(!dbri)) + return -EINVAL; if (elem < 4) ucontrol->value.integer.value[0] = @@ -2356,7 +2363,9 @@ static int snd_cs4215_put_single(struct snd_kcontrol *kcontrol, int invert = (kcontrol->private_value >> 24) & 1; int changed = 0; unsigned short val; - snd_assert(dbri != NULL, return -EINVAL); + + if (snd_BUG_ON(!dbri)) + return -EINVAL; val = (ucontrol->value.integer.value[0] & mask); if (invert == 1) @@ -2400,7 +2409,7 @@ static int snd_cs4215_put_single(struct snd_kcontrol *kcontrol, .private_value = (entry) | ((shift) << 8) | ((mask) << 16) | \ ((invert) << 24) }, -static struct snd_kcontrol_new dbri_controls[] __devinitdata = { +static struct snd_kcontrol_new dbri_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Playback Volume", @@ -2427,12 +2436,13 @@ static struct snd_kcontrol_new dbri_controls[] __devinitdata = { CS4215_SINGLE("Mic boost", 4, 4, 1, 1) }; -static int __devinit snd_dbri_mixer(struct snd_card *card) +static int snd_dbri_mixer(struct snd_card *card) { int idx, err; struct snd_dbri *dbri; - snd_assert(card != NULL && card->private_data != NULL, return -EINVAL); + if (snd_BUG_ON(!card || !card->private_data)) + return -EINVAL; dbri = card->private_data; strcpy(card->mixername, card->shortname); @@ -2490,7 +2500,7 @@ static void dbri_debug_read(struct snd_info_entry *entry, } #endif -void __devinit snd_dbri_proc(struct snd_card *card) +static void snd_dbri_proc(struct snd_card *card) { struct snd_dbri *dbri = card->private_data; struct snd_info_entry *entry; @@ -2513,32 +2523,35 @@ 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) +static int snd_dbri_create(struct snd_card *card, + struct platform_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 = sbus_alloc_consistent(sdev, sizeof(struct dbri_dma), - &dbri->dma_dvma); + dbri->dma = dma_alloc_coherent(&op->dev, + sizeof(struct dbri_dma), + &dbri->dma_dvma, GFP_ATOMIC); + if (!dbri->dma) + return -ENOMEM; memset((void *)dbri->dma, 0, sizeof(struct dbri_dma)); dprintk(D_GEN, "DMA Cmd Block 0x%p (0x%08x)\n", 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"); - sbus_free_consistent(sdev, sizeof(struct dbri_dma), - (void *)dbri->dma, dbri->dma_dvma); + dma_free_coherent(&op->dev, sizeof(struct dbri_dma), + (void *)dbri->dma, dbri->dma_dvma); return -EIO; } @@ -2546,9 +2559,9 @@ 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); - sbus_free_consistent(sdev, sizeof(struct dbri_dma), - (void *)dbri->dma, dbri->dma_dvma); + 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; } @@ -2572,27 +2585,23 @@ 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) - sbus_free_consistent(dbri->sdev, sizeof(struct dbri_dma), - (void *)dbri->dma, dbri->dma_dvma); + 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 dbri_probe(struct platform_device *op) { - 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]) { @@ -2600,25 +2609,25 @@ static int __devinit dbri_probe(struct of_device *of_dev, return -ENOENT; } - irq = sdev->irqs[0]; + irq = op->archdata.irqs[0]; if (irq <= 0) { printk(KERN_ERR "DBRI-%d: No IRQ.\n", dev); return -ENODEV; } - card = snd_card_new(index[dev], id[dev], THIS_MODULE, - sizeof(struct snd_dbri)); - if (card == NULL) - return -ENOMEM; + err = snd_card_new(&op->dev, index[dev], id[dev], THIS_MODULE, + sizeof(struct snd_dbri), &card); + if (err < 0) + return err; 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; @@ -2635,7 +2644,7 @@ 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) @@ -2643,7 +2652,7 @@ 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->dev.of_node->name[9], dbri->mm.version); dev++; return 0; @@ -2654,19 +2663,17 @@ _err: return err; } -static int __devexit dbri_remove(struct of_device *dev) +static int dbri_remove(struct platform_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); - return 0; } -static struct of_device_id dbri_match[] = { +static const struct of_device_id dbri_match[] = { { .name = "SUNW,DBRIe", }, @@ -2678,23 +2685,14 @@ static struct of_device_id dbri_match[] = { MODULE_DEVICE_TABLE(of, dbri_match); -static struct of_platform_driver dbri_sbus_driver = { - .name = "dbri", - .match_table = dbri_match, +static struct platform_driver dbri_sbus_driver = { + .driver = { + .name = "dbri", + .owner = THIS_MODULE, + .of_match_table = dbri_match, + }, .probe = dbri_probe, - .remove = __devexit_p(dbri_remove), + .remove = dbri_remove, }; -/* 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); -} - -static void __exit dbri_exit(void) -{ - of_unregister_driver(&dbri_sbus_driver); -} - -module_init(dbri_init); -module_exit(dbri_exit); +module_platform_driver(dbri_sbus_driver); |
