X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=sound%2Fpci%2Fvia82xx.c;h=1aafe956ee2b348d07d02925b6aa1fdd9ec7f7ee;hb=5503600a1c5c2c11e14ff428b5d07a1018927bd6;hp=6781be9e3078ac702364770f407fbc4458486882;hpb=849c529f57020cc47085400edd5e641d95cd4faf;p=linux-2.6-omap-h63xx.git diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index 6781be9e307..1aafe956ee2 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -313,6 +313,7 @@ struct snd_via_sg_table { } ; #define VIA_TABLE_SIZE 255 +#define VIA_MAX_BUFSIZE (1<<24) struct viadev { unsigned int reg_offset; @@ -420,7 +421,6 @@ static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substre { unsigned int i, idx, ofs, rest; struct via82xx *chip = snd_pcm_substream_chip(substream); - struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); if (dev->table.area == NULL) { /* the start of each lists must be aligned to 8 bytes, @@ -449,15 +449,15 @@ static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substre do { unsigned int r; unsigned int flag; + unsigned int addr; if (idx >= VIA_TABLE_SIZE) { snd_printk(KERN_ERR "via82xx: too much table size!\n"); return -EINVAL; } - ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); - r = PAGE_SIZE - (ofs % PAGE_SIZE); - if (rest < r) - r = rest; + addr = snd_pcm_sgbuf_get_addr(substream, ofs); + ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); + r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); rest -= r; if (! rest) { if (i == periods - 1) @@ -824,7 +824,8 @@ static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substr struct viadev *viadev = substream->runtime->private_data; unsigned int idx, ptr, count, res; - snd_assert(viadev->tbl_entries, return 0); + if (snd_BUG_ON(!viadev->tbl_entries)) + return 0; if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) return 0; @@ -855,7 +856,8 @@ static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *subst unsigned int idx, count, res; int status; - snd_assert(viadev->tbl_entries, return 0); + if (snd_BUG_ON(!viadev->tbl_entries)) + return 0; spin_lock(&chip->reg_lock); count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); @@ -1037,7 +1039,7 @@ static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) else rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; - snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); + snd_BUG_ON(rbits & ~0xfffff); snd_via82xx_channel_reset(chip, viadev); snd_via82xx_set_table_ptr(chip, viadev); outb(chip->playback_volume[viadev->reg_offset / 0x10][0], @@ -1144,9 +1146,9 @@ static struct snd_pcm_hardware snd_via82xx_hw = .rate_max = 48000, .channels_min = 1, .channels_max = 2, - .buffer_bytes_max = 128 * 1024, + .buffer_bytes_max = VIA_MAX_BUFSIZE, .period_bytes_min = 32, - .period_bytes_max = 128 * 1024, + .period_bytes_max = VIA_MAX_BUFSIZE / 2, .periods_min = 2, .periods_max = VIA_TABLE_SIZE / 2, .fifo_size = 0, @@ -1398,10 +1400,9 @@ static int __devinit snd_via8233_pcm_new(struct via82xx *chip) /* capture */ init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); - if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, - snd_dma_pci_data(chip->pci), - 64*1024, 128*1024)) < 0) - return err; + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, + snd_dma_pci_data(chip->pci), + 64*1024, VIA_MAX_BUFSIZE); /* PCM #1: multi-channel playback and 2nd capture */ err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); @@ -1417,11 +1418,9 @@ static int __devinit snd_via8233_pcm_new(struct via82xx *chip) /* set up capture */ init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); - if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, - snd_dma_pci_data(chip->pci), - 64*1024, 128*1024)) < 0) - return err; - + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, + snd_dma_pci_data(chip->pci), + 64*1024, VIA_MAX_BUFSIZE); return 0; } @@ -1453,10 +1452,9 @@ static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) /* capture */ init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); - if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, - snd_dma_pci_data(chip->pci), - 64*1024, 128*1024)) < 0) - return err; + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, + snd_dma_pci_data(chip->pci), + 64*1024, VIA_MAX_BUFSIZE); /* SPDIF supported? */ if (! ac97_can_spdif(chip->ac97)) @@ -1473,11 +1471,9 @@ static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) /* set up playback */ init_viadev(chip, chip->playback_devno, 0x30, 3, 0); - if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, - snd_dma_pci_data(chip->pci), - 64*1024, 128*1024)) < 0) - return err; - + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, + snd_dma_pci_data(chip->pci), + 64*1024, VIA_MAX_BUFSIZE); return 0; } @@ -1505,11 +1501,9 @@ static int __devinit snd_via686_pcm_new(struct via82xx *chip) init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); - if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, - snd_dma_pci_data(chip->pci), - 64*1024, 128*1024)) < 0) - return err; - + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, + snd_dma_pci_data(chip->pci), + 64*1024, VIA_MAX_BUFSIZE); return 0; }