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Diffstat (limited to 'sound/pci/via82xx.c')
-rw-r--r--sound/pci/via82xx.c60
1 files changed, 27 insertions, 33 deletions
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;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 10:37:38 +0000