void snd_opl3_interrupt(snd_hwdep_t * hw)
{
unsigned char status;
opl3_t *opl3;
snd_timer_t *timer;
if (hw == NULL)
return;
opl3 = snd_magic_cast(opl3_t, hw->private_data, return);
status = inb(opl3->l_port);
#if 0
snd_printk("AdLib IRQ status = 0x%x\n", status);
#endif
if (!(status & 0x80))
return;
if (status & 0x40) {
timer = opl3->timer1;
snd_timer_interrupt(timer, timer->sticks);
}
if (status & 0x20) {
timer = opl3->timer2;
snd_timer_interrupt(timer, timer->sticks);
}
}
void snd_opl3_interrupt(struct snd_hwdep * hw)
{
unsigned char status;
struct snd_opl3 *opl3;
struct snd_timer *timer;
if (hw == NULL)
return;
opl3 = hw->private_data;
status = inb(opl3->l_port);
#if 0
snd_mprintk("AdLib IRQ status = 0x%x\n", status); // MJR
#endif
if (!(status & 0x80))
return;
if (status & 0x40) {
timer = opl3->timer1;
snd_timer_interrupt(timer, timer->sticks);
}
if (status & 0x20) {
timer = opl3->timer2;
snd_timer_interrupt(timer, timer->sticks);
}
}
static void snd_gf1_interrupt_timer2(snd_gus_card_t * gus)
{
snd_timer_t *timer = gus->gf1.timer2;
if (timer == NULL)
return;
snd_timer_interrupt(timer, timer->sticks);
}
static void snd_gf1_interrupt_timer1(struct snd_gus_card * gus)
{
struct snd_timer *timer = gus->gf1.timer1;
if (timer == NULL)
return;
snd_timer_interrupt(timer, timer->sticks);
}
static void lsm_event_handler(uint32_t opcode, uint32_t token,
void *payload, void *priv)
{
unsigned long flags;
struct lsm_priv *prtd = priv;
struct snd_pcm_substream *substream = prtd->substream;
uint16_t status = 0;
uint16_t payload_size = 0;
uint16_t index = 0;
pr_debug("%s: Opcode 0x%x\n", __func__, opcode);
switch (opcode) {
case LSM_SESSION_EVENT_DETECTION_STATUS:
status = (uint16_t)((uint8_t *)payload)[0];
payload_size = (uint16_t)((uint8_t *)payload)[2];
index = 4;
pr_debug("%s: event detect status = %d payload size = %d\n",
__func__, status , payload_size);
break;
case LSM_SESSION_EVENT_DETECTION_STATUS_V2:
status = (uint16_t)((uint8_t *)payload)[0];
payload_size = (uint16_t)((uint8_t *)payload)[1];
index = 2;
pr_debug("%s: event detect status = %d payload size = %d\n",
__func__, status , payload_size);
break;
default:
pr_debug("%s: Unsupported Event opcode 0x%x\n", __func__,
opcode);
break;
}
if (opcode == LSM_SESSION_EVENT_DETECTION_STATUS ||
opcode == LSM_SESSION_EVENT_DETECTION_STATUS_V2) {
spin_lock_irqsave(&prtd->event_lock, flags);
prtd->event_status = krealloc(prtd->event_status,
sizeof(struct snd_lsm_event_status) +
payload_size, GFP_ATOMIC);
prtd->event_status->status = status;
prtd->event_status->payload_size = payload_size;
if (likely(prtd->event_status)) {
memcpy(prtd->event_status->payload,
&((uint8_t *)payload)[index],
payload_size);
prtd->event_avail = 1;
spin_unlock_irqrestore(&prtd->event_lock, flags);
wake_up(&prtd->event_wait);
} else {
spin_unlock_irqrestore(&prtd->event_lock, flags);
pr_err("%s: Couldn't allocate %d bytes of memory\n",
__func__, payload_size);
}
if (substream->timer_running)
snd_timer_interrupt(substream->timer, 1);
}
}
static void lsm_event_handler(uint32_t opcode, uint32_t token,
void *payload, void *priv)
{
unsigned long flags;
struct snd_lsm_event_status *event_status;
struct lsm_priv *prtd = priv;
struct snd_pcm_substream *substream = prtd->substream;
pr_debug("%s: enter opcode 0x%x\n", __func__, opcode);
switch (opcode) {
case LSM_SESSION_EVENT_DETECTION_STATUS:
event_status = payload;
spin_lock_irqsave(&prtd->event_lock, flags);
prtd->event_status = krealloc(prtd->event_status,
sizeof(*event_status) +
event_status->payload_size,
GFP_ATOMIC);
if (likely(prtd->event_status)) {
memcpy(prtd->event_status, event_status,
sizeof(*event_status) +
event_status->payload_size);
prtd->event_avail = 1;
spin_unlock_irqrestore(&prtd->event_lock, flags);
wake_up(&prtd->event_wait);
} else {
spin_unlock_irqrestore(&prtd->event_lock, flags);
pr_err("%s: Couldn't allocate %d bytes of memory\n",
__func__, event_status->payload_size);
}
if (substream->timer_running)
snd_timer_interrupt(substream->timer, 1);
break;
default:
pr_debug("%s: Unsupported Event opcode 0x%x\n", __func__,
opcode);
break;
}
}
static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)
{
struct snd_ad1816a *chip = dev_id;
unsigned char status;
spin_lock(&chip->lock);
status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);
spin_unlock(&chip->lock);
if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)
snd_pcm_period_elapsed(chip->playback_substream);
if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)
snd_pcm_period_elapsed(chip->capture_substream);
if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)
snd_timer_interrupt(chip->timer, chip->timer->sticks);
spin_lock(&chip->lock);
snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
spin_unlock(&chip->lock);
return IRQ_HANDLED;
}
static void rtctimer_tasklet(unsigned long data)
{
snd_timer_interrupt((struct snd_timer *)data, 1);
}
irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id)
{
struct snd_emu10k1 *emu = dev_id;
unsigned int status, status2, orig_status, orig_status2;
int handled = 0;
int timeout = 0;
while (((status = inl(emu->port + IPR)) != 0) && (timeout < 1000)) {
timeout++;
orig_status = status;
handled = 1;
if ((status & 0xffffffff) == 0xffffffff) {
;
break;
}
if (status & IPR_PCIERROR) {
;
snd_emu10k1_intr_disable(emu, INTE_PCIERRORENABLE);
status &= ~IPR_PCIERROR;
}
if (status & (IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE)) {
if (emu->hwvol_interrupt)
emu->hwvol_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_VOLINCRENABLE|INTE_VOLDECRENABLE|INTE_MUTEENABLE);
status &= ~(IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE);
}
if (status & IPR_CHANNELLOOP) {
int voice;
int voice_max = status & IPR_CHANNELNUMBERMASK;
u32 val;
struct snd_emu10k1_voice *pvoice = emu->voices;
val = snd_emu10k1_ptr_read(emu, CLIPL, 0);
for (voice = 0; voice <= voice_max; voice++) {
if (voice == 0x20)
val = snd_emu10k1_ptr_read(emu, CLIPH, 0);
if (val & 1) {
if (pvoice->use && pvoice->interrupt != NULL) {
pvoice->interrupt(emu, pvoice);
snd_emu10k1_voice_intr_ack(emu, voice);
} else {
snd_emu10k1_voice_intr_disable(emu, voice);
}
}
val >>= 1;
pvoice++;
}
val = snd_emu10k1_ptr_read(emu, HLIPL, 0);
for (voice = 0; voice <= voice_max; voice++) {
if (voice == 0x20)
val = snd_emu10k1_ptr_read(emu, HLIPH, 0);
if (val & 1) {
if (pvoice->use && pvoice->interrupt != NULL) {
pvoice->interrupt(emu, pvoice);
snd_emu10k1_voice_half_loop_intr_ack(emu, voice);
} else {
snd_emu10k1_voice_half_loop_intr_disable(emu, voice);
}
}
val >>= 1;
pvoice++;
}
status &= ~IPR_CHANNELLOOP;
}
status &= ~IPR_CHANNELNUMBERMASK;
if (status & (IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL)) {
if (emu->capture_interrupt)
emu->capture_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_ADCBUFENABLE);
status &= ~(IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL);
}
if (status & (IPR_MICBUFFULL|IPR_MICBUFHALFFULL)) {
if (emu->capture_mic_interrupt)
emu->capture_mic_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_MICBUFENABLE);
status &= ~(IPR_MICBUFFULL|IPR_MICBUFHALFFULL);
}
if (status & (IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL)) {
if (emu->capture_efx_interrupt)
emu->capture_efx_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_EFXBUFENABLE);
status &= ~(IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL);
}
if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
if (emu->midi.interrupt)
emu->midi.interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
status &= ~(IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY);
}
if (status & (IPR_A_MIDITRANSBUFEMPTY2|IPR_A_MIDIRECVBUFEMPTY2)) {
if (emu->midi2.interrupt)
emu->midi2.interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_A_MIDITXENABLE2|INTE_A_MIDIRXENABLE2);
status &= ~(IPR_A_MIDITRANSBUFEMPTY2|IPR_A_MIDIRECVBUFEMPTY2);
}
if (status & IPR_INTERVALTIMER) {
if (emu->timer)
snd_timer_interrupt(emu->timer, emu->timer->sticks);
else
snd_emu10k1_intr_disable(emu, INTE_INTERVALTIMERENB);
status &= ~IPR_INTERVALTIMER;
}
if (status & (IPR_GPSPDIFSTATUSCHANGE|IPR_CDROMSTATUSCHANGE)) {
if (emu->spdif_interrupt)
emu->spdif_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_GPSPDIFENABLE|INTE_CDSPDIFENABLE);
status &= ~(IPR_GPSPDIFSTATUSCHANGE|IPR_CDROMSTATUSCHANGE);
}
if (status & IPR_FXDSP) {
if (emu->dsp_interrupt)
emu->dsp_interrupt(emu);
else
snd_emu10k1_intr_disable(emu, INTE_FXDSPENABLE);
status &= ~IPR_FXDSP;
}
if (status & IPR_P16V) {
while ((status2 = inl(emu->port + IPR2)) != 0) {
u32 mask = INTE2_PLAYBACK_CH_0_LOOP; /* Full Loop */
struct snd_emu10k1_voice *pvoice = &(emu->p16v_voices[0]);
struct snd_emu10k1_voice *cvoice = &(emu->p16v_capture_voice);
;
orig_status2 = status2;
if(status2 & mask) {
if(pvoice->use) {
snd_pcm_period_elapsed(pvoice->epcm->substream);
} else {
;
}
}
if(status2 & 0x110000) {
;
if(cvoice->use) {
;
snd_pcm_period_elapsed(cvoice->epcm->substream);
}
}
outl(orig_status2, emu->port + IPR2); /* ack all */
}
status &= ~IPR_P16V;
}
if (status) {
unsigned int bits;
;
//make sure any interrupts we don't handle are disabled:
bits = INTE_FXDSPENABLE |
INTE_PCIERRORENABLE |
INTE_VOLINCRENABLE |
INTE_VOLDECRENABLE |
INTE_MUTEENABLE |
INTE_MICBUFENABLE |
INTE_ADCBUFENABLE |
INTE_EFXBUFENABLE |
INTE_GPSPDIFENABLE |
INTE_CDSPDIFENABLE |
INTE_INTERVALTIMERENB |
INTE_MIDITXENABLE |
INTE_MIDIRXENABLE;
if (emu->audigy)
bits |= INTE_A_MIDITXENABLE2 | INTE_A_MIDIRXENABLE2;
snd_emu10k1_intr_disable(emu, bits);
}
outl(orig_status, emu->port + IPR); /* ack all */
}
irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
emu10k1_t *emu = dev_id;
unsigned int status, status2, orig_status, orig_status2;
int handled = 0;
while ((status = inl(emu->port + IPR)) != 0) {
// printk("irq - status = 0x%x\n", status);
orig_status = status;
handled = 1;
if (status & IPR_PCIERROR) {
snd_printk("interrupt: PCI error\n");
snd_emu10k1_intr_disable(emu, INTE_PCIERRORENABLE);
status &= ~IPR_PCIERROR;
}
if (status & (IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE)) {
if (emu->hwvol_interrupt)
emu->hwvol_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_VOLINCRENABLE|INTE_VOLDECRENABLE|INTE_MUTEENABLE);
status &= ~(IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE);
}
if (status & IPR_CHANNELLOOP) {
int voice;
int voice_max = status & IPR_CHANNELNUMBERMASK;
u32 val;
emu10k1_voice_t *pvoice = emu->voices;
val = snd_emu10k1_ptr_read(emu, CLIPL, 0);
for (voice = 0; voice <= voice_max; voice++) {
if (voice == 0x20)
val = snd_emu10k1_ptr_read(emu, CLIPH, 0);
if (val & 1) {
if (pvoice->use && pvoice->interrupt != NULL) {
pvoice->interrupt(emu, pvoice);
snd_emu10k1_voice_intr_ack(emu, voice);
} else {
snd_emu10k1_voice_intr_disable(emu, voice);
}
}
val >>= 1;
pvoice++;
}
val = snd_emu10k1_ptr_read(emu, HLIPL, 0);
for (voice = 0; voice <= voice_max; voice++) {
if (voice == 0x20)
val = snd_emu10k1_ptr_read(emu, HLIPH, 0);
if (val & 1) {
if (pvoice->use && pvoice->interrupt != NULL) {
pvoice->interrupt(emu, pvoice);
snd_emu10k1_voice_half_loop_intr_ack(emu, voice);
} else {
snd_emu10k1_voice_half_loop_intr_disable(emu, voice);
}
}
val >>= 1;
pvoice++;
}
status &= ~IPR_CHANNELLOOP;
}
status &= ~IPR_CHANNELNUMBERMASK;
if (status & (IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL)) {
if (emu->capture_interrupt)
emu->capture_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_ADCBUFENABLE);
status &= ~(IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL);
}
if (status & (IPR_MICBUFFULL|IPR_MICBUFHALFFULL)) {
if (emu->capture_mic_interrupt)
emu->capture_mic_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_MICBUFENABLE);
status &= ~(IPR_MICBUFFULL|IPR_MICBUFHALFFULL);
}
if (status & (IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL)) {
if (emu->capture_efx_interrupt)
emu->capture_efx_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_EFXBUFENABLE);
status &= ~(IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL);
}
if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
if (emu->midi.interrupt)
emu->midi.interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
status &= ~(IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY);
}
if (status & (IPR_A_MIDITRANSBUFEMPTY2|IPR_A_MIDIRECVBUFEMPTY2)) {
if (emu->midi2.interrupt)
emu->midi2.interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_A_MIDITXENABLE2|INTE_A_MIDIRXENABLE2);
status &= ~(IPR_A_MIDITRANSBUFEMPTY2|IPR_A_MIDIRECVBUFEMPTY2);
}
if (status & IPR_INTERVALTIMER) {
if (emu->timer)
snd_timer_interrupt(emu->timer, emu->timer->sticks);
else
snd_emu10k1_intr_disable(emu, INTE_INTERVALTIMERENB);
status &= ~IPR_INTERVALTIMER;
}
if (status & (IPR_GPSPDIFSTATUSCHANGE|IPR_CDROMSTATUSCHANGE)) {
if (emu->spdif_interrupt)
emu->spdif_interrupt(emu, status);
else
snd_emu10k1_intr_disable(emu, INTE_GPSPDIFENABLE|INTE_CDSPDIFENABLE);
status &= ~(IPR_GPSPDIFSTATUSCHANGE|IPR_CDROMSTATUSCHANGE);
}
if (status & IPR_FXDSP) {
if (emu->dsp_interrupt)
emu->dsp_interrupt(emu);
else
snd_emu10k1_intr_disable(emu, INTE_FXDSPENABLE);
status &= ~IPR_FXDSP;
}
if (status) {
unsigned int bits;
//snd_printk(KERN_ERR "emu10k1: unhandled interrupt: 0x%08x\n", status);
//make sure any interrupts we don't handle are disabled:
bits = INTE_FXDSPENABLE |
INTE_PCIERRORENABLE |
INTE_VOLINCRENABLE |
INTE_VOLDECRENABLE |
INTE_MUTEENABLE |
INTE_MICBUFENABLE |
INTE_ADCBUFENABLE |
INTE_EFXBUFENABLE |
INTE_GPSPDIFENABLE |
INTE_CDSPDIFENABLE |
INTE_INTERVALTIMERENB |
INTE_MIDITXENABLE |
INTE_MIDIRXENABLE;
if (emu->audigy)
bits |= INTE_A_MIDITXENABLE2 | INTE_A_MIDIRXENABLE2;
snd_emu10k1_intr_disable(emu, bits);
}
outl(orig_status, emu->port + IPR); /* ack all */
}
static void lsm_event_handler(uint32_t opcode, uint32_t token,
void *payload, void *priv)
{
unsigned long flags;
struct lsm_priv *prtd = priv;
struct snd_pcm_substream *substream = prtd->substream;
uint16_t status = 0;
uint16_t payload_size = 0;
uint16_t index = 0;
pr_debug("%s: Opcode 0x%x\n", __func__, opcode);
switch (opcode) {
case LSM_DATA_EVENT_READ_DONE: {
int rc;
struct lsm_cmd_read_done *read_done = payload;
int buf_index = 0;
if (prtd->lsm_client->session != token
|| !read_done) {
pr_err("%s: EVENT_READ_DONE invalid callback client session %d callback sesson %d payload %p",
__func__, prtd->lsm_client->session, token, read_done);
return;
}
if (atomic_read(&prtd->read_abort)) {
pr_info("%s: read abort set skip data\n", __func__);
return;
}
if (!lsm_lab_buffer_sanity(prtd, read_done, &buf_index)) {
pr_debug("%s: process read done index %d\n",
__func__, buf_index);
if (buf_index >=
prtd->lsm_client->hw_params.period_count) {
pr_err("%s: Invalid index %d buf_index max cnt %d\n"
, __func__, buf_index,
prtd->lsm_client->hw_params.period_count);
return;
}
prtd->dma_write += read_done->total_size;
atomic_inc(&prtd->buf_count);
snd_pcm_period_elapsed(substream);
wake_up(&prtd->period_wait);
/* queue the next period buffer */
buf_index = (buf_index + 1) %
prtd->lsm_client->hw_params.period_count;
rc = msm_lsm_queue_lab_buffer(prtd, buf_index);
if (rc)
pr_err("%s: error in queuing the lab buffer rc %d\n",
__func__, rc);
} else
pr_err("%s: Invalid lab buffer returned by dsp\n",
__func__);
break;
}
case LSM_SESSION_EVENT_DETECTION_STATUS:
status = (uint16_t)((uint8_t *)payload)[0];
payload_size = (uint16_t)((uint8_t *)payload)[2];
index = 4;
pr_debug("%s: event detect status = %d payload size = %d\n",
__func__, status , payload_size);
break;
case LSM_SESSION_EVENT_DETECTION_STATUS_V2:
status = (uint16_t)((uint8_t *)payload)[0];
payload_size = (uint16_t)((uint8_t *)payload)[1];
index = 2;
pr_debug("%s: event detect status = %d payload size = %d\n",
__func__, status , payload_size);
break;
default:
pr_debug("%s: Unsupported Event opcode 0x%x\n", __func__,
opcode);
break;
}
if (opcode == LSM_SESSION_EVENT_DETECTION_STATUS ||
opcode == LSM_SESSION_EVENT_DETECTION_STATUS_V2) {
spin_lock_irqsave(&prtd->event_lock, flags);
prtd->event_status = krealloc(prtd->event_status,
sizeof(struct snd_lsm_event_status) +
payload_size, GFP_ATOMIC);
prtd->event_status->status = status;
prtd->event_status->payload_size = payload_size;
if (likely(prtd->event_status)) {
memcpy(prtd->event_status->payload,
&((uint8_t *)payload)[index],
payload_size);
prtd->event_avail = 1;
spin_unlock_irqrestore(&prtd->event_lock, flags);
wake_up(&prtd->event_wait);
} else {
spin_unlock_irqrestore(&prtd->event_lock, flags);
pr_err("%s: Couldn't allocate %d bytes of memory\n",
__func__, payload_size);
}
if (substream->timer_running)
snd_timer_interrupt(substream->timer, 1);
}
}
/*
* interrupt
*/
static void rtctimer_interrupt(void *private_data)
{
snd_timer_interrupt(private_data, 1);
}
