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Diffstat (limited to 'sound/isa/sb/emu8000_pcm.c')
-rw-r--r--sound/isa/sb/emu8000_pcm.c104
1 files changed, 51 insertions, 53 deletions
diff --git a/sound/isa/sb/emu8000_pcm.c b/sound/isa/sb/emu8000_pcm.c
index b323beeeda15..91dc3d83e2cf 100644
--- a/sound/isa/sb/emu8000_pcm.c
+++ b/sound/isa/sb/emu8000_pcm.c
@@ -46,14 +46,12 @@
*/
-typedef struct snd_emu8k_pcm emu8k_pcm_t;
-
struct snd_emu8k_pcm {
- emu8000_t *emu;
- snd_pcm_substream_t *substream;
+ struct snd_emu8000 *emu;
+ struct snd_pcm_substream *substream;
unsigned int allocated_bytes;
- snd_util_memblk_t *block;
+ struct snd_util_memblk *block;
unsigned int offset;
unsigned int buf_size;
unsigned int period_size;
@@ -77,7 +75,7 @@ struct snd_emu8k_pcm {
* open up channels for the simultaneous data transfer and playback
*/
static int
-emu8k_open_dram_for_pcm(emu8000_t *emu, int channels)
+emu8k_open_dram_for_pcm(struct snd_emu8000 *emu, int channels)
{
int i;
@@ -113,7 +111,7 @@ emu8k_open_dram_for_pcm(emu8000_t *emu, int channels)
/*
*/
static void
-snd_emu8000_write_wait(emu8000_t *emu, int can_schedule)
+snd_emu8000_write_wait(struct snd_emu8000 *emu, int can_schedule)
{
while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
if (can_schedule) {
@@ -128,7 +126,7 @@ snd_emu8000_write_wait(emu8000_t *emu, int can_schedule)
* close all channels
*/
static void
-emu8k_close_dram(emu8000_t *emu)
+emu8k_close_dram(struct snd_emu8000 *emu)
{
int i;
@@ -156,7 +154,7 @@ static int calc_rate_offset(int hz)
/*
*/
-static snd_pcm_hardware_t emu8k_pcm_hw = {
+static struct snd_pcm_hardware emu8k_pcm_hw = {
#ifdef USE_NONINTERLEAVE
.info = SNDRV_PCM_INFO_NONINTERLEAVED,
#else
@@ -180,7 +178,7 @@ static snd_pcm_hardware_t emu8k_pcm_hw = {
/*
* get the current position at the given channel from CCCA register
*/
-static inline int emu8k_get_curpos(emu8k_pcm_t *rec, int ch)
+static inline int emu8k_get_curpos(struct snd_emu8k_pcm *rec, int ch)
{
int val = EMU8000_CCCA_READ(rec->emu, ch) & 0xfffffff;
val -= rec->loop_start[ch] - 1;
@@ -194,7 +192,7 @@ static inline int emu8k_get_curpos(emu8k_pcm_t *rec, int ch)
*/
static void emu8k_pcm_timer_func(unsigned long data)
{
- emu8k_pcm_t *rec = (emu8k_pcm_t *)data;
+ struct snd_emu8k_pcm *rec = (struct snd_emu8k_pcm *)data;
int ptr, delta;
spin_lock(&rec->timer_lock);
@@ -226,11 +224,11 @@ static void emu8k_pcm_timer_func(unsigned long data)
* open pcm
* creating an instance here
*/
-static int emu8k_pcm_open(snd_pcm_substream_t *subs)
+static int emu8k_pcm_open(struct snd_pcm_substream *subs)
{
- emu8000_t *emu = snd_pcm_substream_chip(subs);
- emu8k_pcm_t *rec;
- snd_pcm_runtime_t *runtime = subs->runtime;
+ struct snd_emu8000 *emu = snd_pcm_substream_chip(subs);
+ struct snd_emu8k_pcm *rec;
+ struct snd_pcm_runtime *runtime = subs->runtime;
rec = kzalloc(sizeof(*rec), GFP_KERNEL);
if (! rec)
@@ -256,9 +254,9 @@ static int emu8k_pcm_open(snd_pcm_substream_t *subs)
return 0;
}
-static int emu8k_pcm_close(snd_pcm_substream_t *subs)
+static int emu8k_pcm_close(struct snd_pcm_substream *subs)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
kfree(rec);
subs->runtime->private_data = NULL;
return 0;
@@ -281,9 +279,9 @@ static int calc_pitch_target(int pitch)
/*
* set up the voice
*/
-static void setup_voice(emu8k_pcm_t *rec, int ch)
+static void setup_voice(struct snd_emu8k_pcm *rec, int ch)
{
- emu8000_t *hw = rec->emu;
+ struct snd_emu8000 *hw = rec->emu;
unsigned int temp;
/* channel to be silent and idle */
@@ -334,10 +332,10 @@ static void setup_voice(emu8k_pcm_t *rec, int ch)
/*
* trigger the voice
*/
-static void start_voice(emu8k_pcm_t *rec, int ch)
+static void start_voice(struct snd_emu8k_pcm *rec, int ch)
{
unsigned long flags;
- emu8000_t *hw = rec->emu;
+ struct snd_emu8000 *hw = rec->emu;
unsigned int temp, aux;
int pt = calc_pitch_target(rec->pitch);
@@ -370,10 +368,10 @@ static void start_voice(emu8k_pcm_t *rec, int ch)
/*
* stop the voice immediately
*/
-static void stop_voice(emu8k_pcm_t *rec, int ch)
+static void stop_voice(struct snd_emu8k_pcm *rec, int ch)
{
unsigned long flags;
- emu8000_t *hw = rec->emu;
+ struct snd_emu8000 *hw = rec->emu;
EMU8000_DCYSUSV_WRITE(hw, ch, 0x807F);
@@ -386,9 +384,9 @@ static void stop_voice(emu8k_pcm_t *rec, int ch)
spin_unlock_irqrestore(&rec->timer_lock, flags);
}
-static int emu8k_pcm_trigger(snd_pcm_substream_t *subs, int cmd)
+static int emu8k_pcm_trigger(struct snd_pcm_substream *subs, int cmd)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
int ch;
switch (cmd) {
@@ -428,7 +426,7 @@ do { \
#ifdef USE_NONINTERLEAVE
/* copy one channel block */
-static int emu8k_transfer_block(emu8000_t *emu, int offset, unsigned short *buf, int count)
+static int emu8k_transfer_block(struct snd_emu8000 *emu, int offset, unsigned short *buf, int count)
{
EMU8000_SMALW_WRITE(emu, offset);
while (count > 0) {
@@ -442,14 +440,14 @@ static int emu8k_transfer_block(emu8000_t *emu, int offset, unsigned short *buf,
return 0;
}
-static int emu8k_pcm_copy(snd_pcm_substream_t *subs,
+static int emu8k_pcm_copy(struct snd_pcm_substream *subs,
int voice,
snd_pcm_uframes_t pos,
void *src,
snd_pcm_uframes_t count)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
- emu8000_t *emu = rec->emu;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
+ struct snd_emu8000 *emu = rec->emu;
snd_emu8000_write_wait(emu, 1);
if (voice == -1) {
@@ -469,7 +467,7 @@ static int emu8k_pcm_copy(snd_pcm_substream_t *subs,
}
/* make a channel block silence */
-static int emu8k_silence_block(emu8000_t *emu, int offset, int count)
+static int emu8k_silence_block(struct snd_emu8000 *emu, int offset, int count)
{
EMU8000_SMALW_WRITE(emu, offset);
while (count > 0) {
@@ -480,13 +478,13 @@ static int emu8k_silence_block(emu8000_t *emu, int offset, int count)
return 0;
}
-static int emu8k_pcm_silence(snd_pcm_substream_t *subs,
+static int emu8k_pcm_silence(struct snd_pcm_substream *subs,
int voice,
snd_pcm_uframes_t pos,
snd_pcm_uframes_t count)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
- emu8000_t *emu = rec->emu;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
+ struct snd_emu8000 *emu = rec->emu;
snd_emu8000_write_wait(emu, 1);
if (voice == -1 && rec->voices == 1)
@@ -508,14 +506,14 @@ static int emu8k_pcm_silence(snd_pcm_substream_t *subs,
* copy the interleaved data can be done easily by using
* DMA "left" and "right" channels on emu8k engine.
*/
-static int emu8k_pcm_copy(snd_pcm_substream_t *subs,
+static int emu8k_pcm_copy(struct snd_pcm_substream *subs,
int voice,
snd_pcm_uframes_t pos,
void __user *src,
snd_pcm_uframes_t count)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
- emu8000_t *emu = rec->emu;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
+ struct snd_emu8000 *emu = rec->emu;
unsigned short __user *buf = src;
snd_emu8000_write_wait(emu, 1);
@@ -539,13 +537,13 @@ static int emu8k_pcm_copy(snd_pcm_substream_t *subs,
return 0;
}
-static int emu8k_pcm_silence(snd_pcm_substream_t *subs,
+static int emu8k_pcm_silence(struct snd_pcm_substream *subs,
int voice,
snd_pcm_uframes_t pos,
snd_pcm_uframes_t count)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
- emu8000_t *emu = rec->emu;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
+ struct snd_emu8000 *emu = rec->emu;
snd_emu8000_write_wait(emu, 1);
EMU8000_SMALW_WRITE(emu, rec->loop_start[0] + pos);
@@ -567,10 +565,10 @@ static int emu8k_pcm_silence(snd_pcm_substream_t *subs,
/*
* allocate a memory block
*/
-static int emu8k_pcm_hw_params(snd_pcm_substream_t *subs,
- snd_pcm_hw_params_t *hw_params)
+static int emu8k_pcm_hw_params(struct snd_pcm_substream *subs,
+ struct snd_pcm_hw_params *hw_params)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
if (rec->block) {
/* reallocation - release the old block */
@@ -592,9 +590,9 @@ static int emu8k_pcm_hw_params(snd_pcm_substream_t *subs,
/*
* free the memory block
*/
-static int emu8k_pcm_hw_free(snd_pcm_substream_t *subs)
+static int emu8k_pcm_hw_free(struct snd_pcm_substream *subs)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
if (rec->block) {
int ch;
@@ -610,9 +608,9 @@ static int emu8k_pcm_hw_free(snd_pcm_substream_t *subs)
/*
*/
-static int emu8k_pcm_prepare(snd_pcm_substream_t *subs)
+static int emu8k_pcm_prepare(struct snd_pcm_substream *subs)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
rec->pitch = 0xe000 + calc_rate_offset(subs->runtime->rate);
rec->last_ptr = 0;
@@ -656,16 +654,16 @@ static int emu8k_pcm_prepare(snd_pcm_substream_t *subs)
return 0;
}
-static snd_pcm_uframes_t emu8k_pcm_pointer(snd_pcm_substream_t *subs)
+static snd_pcm_uframes_t emu8k_pcm_pointer(struct snd_pcm_substream *subs)
{
- emu8k_pcm_t *rec = subs->runtime->private_data;
+ struct snd_emu8k_pcm *rec = subs->runtime->private_data;
if (rec->running)
return emu8k_get_curpos(rec, 0);
return 0;
}
-static snd_pcm_ops_t emu8k_pcm_ops = {
+static struct snd_pcm_ops emu8k_pcm_ops = {
.open = emu8k_pcm_open,
.close = emu8k_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
@@ -679,15 +677,15 @@ static snd_pcm_ops_t emu8k_pcm_ops = {
};
-static void snd_emu8000_pcm_free(snd_pcm_t *pcm)
+static void snd_emu8000_pcm_free(struct snd_pcm *pcm)
{
- emu8000_t *emu = pcm->private_data;
+ struct snd_emu8000 *emu = pcm->private_data;
emu->pcm = NULL;
}
-int snd_emu8000_pcm_new(snd_card_t *card, emu8000_t *emu, int index)
+int snd_emu8000_pcm_new(struct snd_card *card, struct snd_emu8000 *emu, int index)
{
- snd_pcm_t *pcm;
+ struct snd_pcm *pcm;
int err;
if ((err = snd_pcm_new(card, "Emu8000 PCM", index, 1, 0, &pcm)) < 0)
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-20 10:13:10 +0000