diff options
Diffstat (limited to 'sound/pci/rme9652/hdsp.c')
| -rw-r--r-- | sound/pci/rme9652/hdsp.c | 75 |
1 files changed, 54 insertions, 21 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index fc0face6cdc6..fe36d44d16c6 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -3913,42 +3913,73 @@ static char *hdsp_channel_buffer_location(struct hdsp *hdsp, return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES); } -static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count) +static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *src, unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) return -EINVAL; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_from_user(channel_buf + pos * 4, src, count * 4)) + if (copy_from_user(channel_buf + pos, src, count)) return -EFAULT; - return count; + return 0; } -static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count) +static int snd_hdsp_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(channel_buf + pos, src, count); + return 0; +} + +static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + char *channel_buf; + + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) return -EINVAL; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_to_user(dst, channel_buf + pos * 4, count * 4)) + if (copy_to_user(dst, channel_buf + pos, count)) return -EFAULT; - return count; + return 0; } -static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, snd_pcm_uframes_t count) +static int snd_hdsp_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + char *channel_buf; + + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(dst, channel_buf + pos, count); + return 0; +} + +static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; @@ -3956,8 +3987,8 @@ static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - memset(channel_buf + pos * 4, 0, count * 4); - return count; + memset(channel_buf + pos, 0, count); + return 0; } static int snd_hdsp_reset(struct snd_pcm_substream *substream) @@ -4239,17 +4270,17 @@ static struct snd_pcm_hardware snd_hdsp_capture_subinfo = .fifo_size = 0 }; -static unsigned int hdsp_period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 }; +static const unsigned int hdsp_period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 }; -static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_period_sizes = { +static const struct snd_pcm_hw_constraint_list hdsp_hw_constraints_period_sizes = { .count = ARRAY_SIZE(hdsp_period_sizes), .list = hdsp_period_sizes, .mask = 0 }; -static unsigned int hdsp_9632_sample_rates[] = { 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000 }; +static const unsigned int hdsp_9632_sample_rates[] = { 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000 }; -static struct snd_pcm_hw_constraint_list hdsp_hw_constraints_9632_sample_rates = { +static const struct snd_pcm_hw_constraint_list hdsp_hw_constraints_9632_sample_rates = { .count = ARRAY_SIZE(hdsp_9632_sample_rates), .list = hdsp_9632_sample_rates, .mask = 0 @@ -4869,8 +4900,9 @@ static const struct snd_pcm_ops snd_hdsp_playback_ops = { .prepare = snd_hdsp_prepare, .trigger = snd_hdsp_trigger, .pointer = snd_hdsp_hw_pointer, - .copy = snd_hdsp_playback_copy, - .silence = snd_hdsp_hw_silence, + .copy_user = snd_hdsp_playback_copy, + .copy_kernel = snd_hdsp_playback_copy_kernel, + .fill_silence = snd_hdsp_hw_silence, }; static const struct snd_pcm_ops snd_hdsp_capture_ops = { @@ -4881,7 +4913,8 @@ static const struct snd_pcm_ops snd_hdsp_capture_ops = { .prepare = snd_hdsp_prepare, .trigger = snd_hdsp_trigger, .pointer = snd_hdsp_hw_pointer, - .copy = snd_hdsp_capture_copy, + .copy_user = snd_hdsp_capture_copy, + .copy_kernel = snd_hdsp_capture_copy_kernel, }; static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp) |