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path: root/sound/pci/korg1212/korg1212.c
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Diffstat (limited to 'sound/pci/korg1212/korg1212.c')
-rw-r--r--sound/pci/korg1212/korg1212.c112
1 files changed, 65 insertions, 47 deletions
diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c
index 1e25095fd144..b28fe4914d6b 100644
--- a/sound/pci/korg1212/korg1212.c
+++ b/sound/pci/korg1212/korg1212.c
@@ -1299,13 +1299,21 @@ static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int coun
return 0;
}
-static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
+static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
+ void __user *dst, int pos, int count,
+ bool in_kernel)
{
- struct KorgAudioFrame * src = korg1212->recordDataBufsPtr[0].bufferData + pos;
- int i, rc;
-
- K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
- pos, offset, size);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ struct KorgAudioFrame *src;
+ int i, size;
+
+ pos = bytes_to_frames(runtime, pos);
+ count = bytes_to_frames(runtime, count);
+ size = korg1212->channels * 2;
+ src = korg1212->recordDataBufsPtr[0].bufferData + pos;
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
+ pos, size, count);
if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
return -EINVAL;
@@ -1317,11 +1325,10 @@ static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst,
return -EFAULT;
}
#endif
- rc = copy_to_user(dst + offset, src, size);
- if (rc) {
- K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
+ if (in_kernel)
+ memcpy((void *)dst, src, size);
+ else if (copy_to_user(dst, src, size))
return -EFAULT;
- }
src++;
dst += size;
}
@@ -1329,13 +1336,22 @@ static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst,
return 0;
}
-static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
+static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
+ void __user *src, int pos, int count,
+ bool in_kernel)
{
- struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
- int i, rc;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ struct KorgAudioFrame *dst;
+ int i, size;
- K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
- pos, offset, size, count);
+ pos = bytes_to_frames(runtime, pos);
+ count = bytes_to_frames(runtime, count);
+ size = korg1212->channels * 2;
+ dst = korg1212->playDataBufsPtr[0].bufferData + pos;
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
+ pos, size, count);
if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
return -EINVAL;
@@ -1348,11 +1364,10 @@ static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *sr
return -EFAULT;
}
#endif
- rc = copy_from_user((void*) dst + offset, src, size);
- if (rc) {
- K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
+ if (in_kernel)
+ memcpy((void *)dst, src, size);
+ else if (copy_from_user(dst, src, size))
return -EFAULT;
- }
dst++;
src += size;
}
@@ -1640,45 +1655,46 @@ static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *
}
static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
- int channel, /* not used (interleaved data) */
- snd_pcm_uframes_t pos,
- void __user *src,
- snd_pcm_uframes_t count)
+ int channel, unsigned long pos,
+ void __user *src, unsigned long count)
{
- struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
-
- K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
- stateName[korg1212->cardState], pos, count);
-
- return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
+ return snd_korg1212_copy_from(substream, src, pos, count, false);
+}
+static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void *src, unsigned long count)
+{
+ return snd_korg1212_copy_from(substream, (void __user *)src,
+ pos, count, true);
}
static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
int channel, /* not used (interleaved data) */
- snd_pcm_uframes_t pos,
- snd_pcm_uframes_t count)
+ unsigned long pos,
+ unsigned long count)
{
+ struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
- K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
- stateName[korg1212->cardState]);
-
- return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
+ return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
+ bytes_to_frames(runtime, count),
+ 0, korg1212->channels * 2);
}
static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
- int channel, /* not used (interleaved data) */
- snd_pcm_uframes_t pos,
- void __user *dst,
- snd_pcm_uframes_t count)
+ int channel, unsigned long pos,
+ void __user *dst, unsigned long count)
{
- struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
-
- K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
- stateName[korg1212->cardState], pos, count);
+ return snd_korg1212_copy_to(substream, dst, pos, count, false);
+}
- return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
+static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void *dst, unsigned long count)
+{
+ return snd_korg1212_copy_to(substream, (void __user *)dst,
+ pos, count, true);
}
static const struct snd_pcm_ops snd_korg1212_playback_ops = {
@@ -1689,8 +1705,9 @@ static const struct snd_pcm_ops snd_korg1212_playback_ops = {
.prepare = snd_korg1212_prepare,
.trigger = snd_korg1212_trigger,
.pointer = snd_korg1212_playback_pointer,
- .copy = snd_korg1212_playback_copy,
- .silence = snd_korg1212_playback_silence,
+ .copy_user = snd_korg1212_playback_copy,
+ .copy_kernel = snd_korg1212_playback_copy_kernel,
+ .fill_silence = snd_korg1212_playback_silence,
};
static const struct snd_pcm_ops snd_korg1212_capture_ops = {
@@ -1701,7 +1718,8 @@ static const struct snd_pcm_ops snd_korg1212_capture_ops = {
.prepare = snd_korg1212_prepare,
.trigger = snd_korg1212_trigger,
.pointer = snd_korg1212_capture_pointer,
- .copy = snd_korg1212_capture_copy,
+ .copy_user = snd_korg1212_capture_copy,
+ .copy_kernel = snd_korg1212_capture_copy_kernel,
};
/*
generated by cgit (git 2.34.1) at 2024-06-16 13:45:56 +0000