diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 141 |
1 files changed, 87 insertions, 54 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index ebbeefe203fd..fa3a04c7771e 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -297,7 +297,10 @@ static char *driver_short_names[] = { }; /* for pcm support */ -#define get_azx_dev(substream) (substream->runtime->private_data) +static inline struct azx_dev *get_azx_dev(struct snd_pcm_substream *substream) +{ + return substream->runtime->private_data; +} #ifdef CONFIG_X86 static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on) @@ -366,15 +369,11 @@ static int azx_alloc_cmd_io(struct azx *chip) int err; /* single page (at least 4096 bytes) must suffice for both ringbuffes */ - err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, - chip->card->dev, - PAGE_SIZE, &chip->rb); - if (err < 0) { + err = chip->ops->dma_alloc_pages(chip, SNDRV_DMA_TYPE_DEV, + PAGE_SIZE, &chip->rb); + if (err < 0) dev_err(chip->card->dev, "cannot allocate CORB/RIRB\n"); - return err; - } - mark_pages_wc(chip, &chip->rb, true); - return 0; + return err; } static void azx_init_cmd_io(struct azx *chip) @@ -1716,26 +1715,18 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream, { struct azx_pcm *apcm = snd_pcm_substream_chip(substream); struct azx *chip = apcm->chip; - struct azx_dev *azx_dev = get_azx_dev(substream); int ret; - dsp_lock(azx_dev); - if (dsp_is_locked(azx_dev)) { + dsp_lock(get_azx_dev(substream)); + if (dsp_is_locked(get_azx_dev(substream))) { ret = -EBUSY; goto unlock; } - mark_runtime_wc(chip, azx_dev, substream, false); - azx_dev->bufsize = 0; - azx_dev->period_bytes = 0; - azx_dev->format_val = 0; - ret = snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); - if (ret < 0) - goto unlock; - mark_runtime_wc(chip, azx_dev, substream, true); - unlock: - dsp_unlock(azx_dev); + ret = chip->ops->substream_alloc_pages(chip, substream, + params_buffer_bytes(hw_params)); +unlock: + dsp_unlock(get_azx_dev(substream)); return ret; } @@ -1745,6 +1736,7 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream) struct azx_dev *azx_dev = get_azx_dev(substream); struct azx *chip = apcm->chip; struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream]; + int err; /* reset BDL address */ dsp_lock(azx_dev); @@ -1759,10 +1751,10 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream) snd_hda_codec_cleanup(apcm->codec, hinfo, substream); - mark_runtime_wc(chip, azx_dev, substream, false); + err = chip->ops->substream_free_pages(chip, substream); azx_dev->prepared = 0; dsp_unlock(azx_dev); - return snd_pcm_lib_free_pages(substream); + return err; } static int azx_pcm_prepare(struct snd_pcm_substream *substream) @@ -2398,13 +2390,11 @@ static int azx_load_dsp_prepare(struct hda_bus *bus, unsigned int format, azx_dev->locked = 1; spin_unlock_irq(&chip->reg_lock); - err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV_SG, - chip->card->dev, - byte_size, bufp); + err = chip->ops->dma_alloc_pages(chip, SNDRV_DMA_TYPE_DEV_SG, + byte_size, bufp); if (err < 0) goto err_alloc; - mark_pages_wc(chip, bufp, true); azx_dev->bufsize = byte_size; azx_dev->period_bytes = byte_size; azx_dev->format_val = format; @@ -2426,8 +2416,7 @@ static int azx_load_dsp_prepare(struct hda_bus *bus, unsigned int format, return azx_dev->stream_tag; error: - mark_pages_wc(chip, bufp, false); - snd_dma_free_pages(bufp); + chip->ops->dma_free_pages(chip, bufp); err_alloc: spin_lock_irq(&chip->reg_lock); if (azx_dev->opened) @@ -2469,8 +2458,7 @@ static void azx_load_dsp_cleanup(struct hda_bus *bus, azx_dev->period_bytes = 0; azx_dev->format_val = 0; - mark_pages_wc(chip, dmab, false); - snd_dma_free_pages(dmab); + chip->ops->dma_free_pages(chip, dmab); dmab->area = NULL; spin_lock_irq(&chip->reg_lock); @@ -2879,19 +2867,14 @@ static int azx_free(struct azx *chip) if (chip->azx_dev) { for (i = 0; i < chip->num_streams; i++) - if (chip->azx_dev[i].bdl.area) { - mark_pages_wc(chip, &chip->azx_dev[i].bdl, false); - snd_dma_free_pages(&chip->azx_dev[i].bdl); - } - } - if (chip->rb.area) { - mark_pages_wc(chip, &chip->rb, false); - snd_dma_free_pages(&chip->rb); - } - if (chip->posbuf.area) { - mark_pages_wc(chip, &chip->posbuf, false); - snd_dma_free_pages(&chip->posbuf); - } + if (chip->azx_dev[i].bdl.area) + chip->ops->dma_free_pages( + chip, &chip->azx_dev[i].bdl); + } + if (chip->rb.area) + chip->ops->dma_free_pages(chip, &chip->rb); + if (chip->posbuf.area) + chip->ops->dma_free_pages(chip, &chip->posbuf); if (chip->region_requested) pci_release_regions(chip->pci); pci_disable_device(chip->pci); @@ -3343,24 +3326,21 @@ static int azx_first_init(struct azx *chip) for (i = 0; i < chip->num_streams; i++) { dsp_lock_init(&chip->azx_dev[i]); /* allocate memory for the BDL for each stream */ - err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, - chip->card->dev, - BDL_SIZE, &chip->azx_dev[i].bdl); + err = chip->ops->dma_alloc_pages(chip, SNDRV_DMA_TYPE_DEV, + BDL_SIZE, + &chip->azx_dev[i].bdl); if (err < 0) { dev_err(card->dev, "cannot allocate BDL\n"); return -ENOMEM; } - mark_pages_wc(chip, &chip->azx_dev[i].bdl, true); } /* allocate memory for the position buffer */ - err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, - chip->card->dev, - chip->num_streams * 8, &chip->posbuf); + err = chip->ops->dma_alloc_pages(chip, SNDRV_DMA_TYPE_DEV, + chip->num_streams * 8, &chip->posbuf); if (err < 0) { dev_err(card->dev, "cannot allocate posbuf\n"); return -ENOMEM; } - mark_pages_wc(chip, &chip->posbuf, true); /* allocate CORB/RIRB */ err = azx_alloc_cmd_io(chip); if (err < 0) @@ -3479,6 +3459,55 @@ static int disable_msi_reset_irq(struct azx *chip) return 0; } +/* DMA page allocation helpers. */ +static int dma_alloc_pages(struct azx *chip, + int type, + size_t size, + struct snd_dma_buffer *buf) +{ + int err; + + err = snd_dma_alloc_pages(type, + chip->card->dev, + size, buf); + if (err < 0) + return err; + mark_pages_wc(chip, buf, true); + return 0; +} + +static void dma_free_pages(struct azx *chip, struct snd_dma_buffer *buf) +{ + mark_pages_wc(chip, buf, false); + snd_dma_free_pages(buf); +} + +static int substream_alloc_pages(struct azx *chip, + struct snd_pcm_substream *substream, + size_t size) +{ + struct azx_dev *azx_dev = get_azx_dev(substream); + int ret; + + mark_runtime_wc(chip, azx_dev, substream, false); + azx_dev->bufsize = 0; + azx_dev->period_bytes = 0; + azx_dev->format_val = 0; + ret = snd_pcm_lib_malloc_pages(substream, size); + if (ret < 0) + return ret; + mark_runtime_wc(chip, azx_dev, substream, true); + return 0; +} + +static int substream_free_pages(struct azx *chip, + struct snd_pcm_substream *substream) +{ + struct azx_dev *azx_dev = get_azx_dev(substream); + mark_runtime_wc(chip, azx_dev, substream, false); + return snd_pcm_lib_free_pages(substream); +} + static const struct hda_controller_ops pci_hda_ops = { .writel = pci_azx_writel, .readl = pci_azx_readl, @@ -3487,6 +3516,10 @@ static const struct hda_controller_ops pci_hda_ops = { .writeb = pci_azx_writeb, .readb = pci_azx_readb, .disable_msi_reset_irq = disable_msi_reset_irq, + .dma_alloc_pages = dma_alloc_pages, + .dma_free_pages = dma_free_pages, + .substream_alloc_pages = substream_alloc_pages, + .substream_free_pages = substream_free_pages, }; static int azx_probe(struct pci_dev *pci, |
