diff options
| -rw-r--r-- | sound/pci/lx6464es/lx6464es.c | 43 | ||||
| -rw-r--r-- | sound/pci/lx6464es/lx6464es.h | 9 | ||||
| -rw-r--r-- | sound/pci/lx6464es/lx_core.c | 252 | ||||
| -rw-r--r-- | sound/pci/lx6464es/lx_core.h | 4 |
4 files changed, 108 insertions, 200 deletions
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c index a671f0865f71..601315a1f58f 100644 --- a/sound/pci/lx6464es/lx6464es.c +++ b/sound/pci/lx6464es/lx6464es.c @@ -279,7 +279,6 @@ static snd_pcm_uframes_t lx_pcm_stream_pointer(struct snd_pcm_substream { struct lx6464es *chip = snd_pcm_substream_chip(substream); snd_pcm_uframes_t pos; - unsigned long flags; int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); struct lx_stream *lx_stream = is_capture ? &chip->capture_stream : @@ -287,9 +286,9 @@ static snd_pcm_uframes_t lx_pcm_stream_pointer(struct snd_pcm_substream dev_dbg(chip->card->dev, "->lx_pcm_stream_pointer\n"); - spin_lock_irqsave(&chip->lock, flags); + mutex_lock(&chip->lock); pos = lx_stream->frame_pos * substream->runtime->period_size; - spin_unlock_irqrestore(&chip->lock, flags); + mutex_unlock(&chip->lock); dev_dbg(chip->card->dev, "stream_pointer at %ld\n", pos); return pos; @@ -485,8 +484,8 @@ static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream) } -static void lx_trigger_tasklet_dispatch_stream(struct lx6464es *chip, - struct lx_stream *lx_stream) +static void lx_trigger_dispatch_stream(struct lx6464es *chip, + struct lx_stream *lx_stream) { switch (lx_stream->status) { case LX_STREAM_STATUS_SCHEDULE_RUN: @@ -502,24 +501,12 @@ static void lx_trigger_tasklet_dispatch_stream(struct lx6464es *chip, } } -static void lx_trigger_tasklet(unsigned long data) -{ - struct lx6464es *chip = (struct lx6464es *)data; - unsigned long flags; - - dev_dbg(chip->card->dev, "->lx_trigger_tasklet\n"); - - spin_lock_irqsave(&chip->lock, flags); - lx_trigger_tasklet_dispatch_stream(chip, &chip->capture_stream); - lx_trigger_tasklet_dispatch_stream(chip, &chip->playback_stream); - spin_unlock_irqrestore(&chip->lock, flags); -} - static int lx_pcm_trigger_dispatch(struct lx6464es *chip, struct lx_stream *lx_stream, int cmd) { int err = 0; + mutex_lock(&chip->lock); switch (cmd) { case SNDRV_PCM_TRIGGER_START: lx_stream->status = LX_STREAM_STATUS_SCHEDULE_RUN; @@ -533,9 +520,12 @@ static int lx_pcm_trigger_dispatch(struct lx6464es *chip, err = -EINVAL; goto exit; } - tasklet_schedule(&chip->trigger_tasklet); + + lx_trigger_dispatch_stream(chip, &chip->capture_stream); + lx_trigger_dispatch_stream(chip, &chip->playback_stream); exit: + mutex_unlock(&chip->lock); return err; } @@ -861,6 +851,7 @@ static int lx_pcm_create(struct lx6464es *chip) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &lx_ops_capture); pcm->info_flags = 0; + pcm->nonatomic = true; strcpy(pcm->name, card_name); err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, @@ -1009,15 +1000,9 @@ static int snd_lx6464es_create(struct snd_card *card, chip->irq = -1; /* initialize synchronization structs */ - spin_lock_init(&chip->lock); - spin_lock_init(&chip->msg_lock); + mutex_init(&chip->lock); + mutex_init(&chip->msg_lock); mutex_init(&chip->setup_mutex); - tasklet_init(&chip->trigger_tasklet, lx_trigger_tasklet, - (unsigned long)chip); - tasklet_init(&chip->tasklet_capture, lx_tasklet_capture, - (unsigned long)chip); - tasklet_init(&chip->tasklet_playback, lx_tasklet_playback, - (unsigned long)chip); /* request resources */ err = pci_request_regions(pci, card_name); @@ -1032,8 +1017,8 @@ static int snd_lx6464es_create(struct snd_card *card, /* dsp port */ chip->port_dsp_bar = pci_ioremap_bar(pci, 2); - err = request_irq(pci->irq, lx_interrupt, IRQF_SHARED, - KBUILD_MODNAME, chip); + err = request_threaded_irq(pci->irq, lx_interrupt, lx_threaded_irq, + IRQF_SHARED, KBUILD_MODNAME, chip); if (err) { dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); goto request_irq_failed; diff --git a/sound/pci/lx6464es/lx6464es.h b/sound/pci/lx6464es/lx6464es.h index 6792eda9c9a5..1bec187d772f 100644 --- a/sound/pci/lx6464es/lx6464es.h +++ b/sound/pci/lx6464es/lx6464es.h @@ -71,14 +71,10 @@ struct lx6464es { u8 mac_address[6]; - spinlock_t lock; /* interrupt spinlock */ + struct mutex lock; /* interrupt lock */ struct mutex setup_mutex; /* mutex used in hw_params, open * and close */ - struct tasklet_struct trigger_tasklet; /* trigger tasklet */ - struct tasklet_struct tasklet_capture; - struct tasklet_struct tasklet_playback; - /* ports */ unsigned long port_plx; /* io port (size=256) */ void __iomem *port_plx_remapped; /* remapped plx port */ @@ -87,8 +83,9 @@ struct lx6464es { * size=8K) */ /* messaging */ - spinlock_t msg_lock; /* message spinlock */ + struct mutex msg_lock; /* message lock */ struct lx_rmh rmh; + u32 irqsrc; /* configuration */ uint freq_ratio : 2; diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c index e8f38e5df10a..f3d62020ef66 100644 --- a/sound/pci/lx6464es/lx_core.c +++ b/sound/pci/lx6464es/lx_core.c @@ -332,27 +332,25 @@ polling_successful: int lx_dsp_get_version(struct lx6464es *chip, u32 *rdsp_version) { u16 ret; - unsigned long flags; - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_01_GET_SYS_CFG); ret = lx_message_send_atomic(chip, &chip->rmh); *rdsp_version = chip->rmh.stat[1]; - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return ret; } int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq) { u16 ret = 0; - unsigned long flags; u32 freq_raw = 0; u32 freq = 0; u32 frequency = 0; - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_01_GET_SYS_CFG); ret = lx_message_send_atomic(chip, &chip->rmh); @@ -370,7 +368,7 @@ int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq) frequency = 48000; } - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); *rfreq = frequency * chip->freq_ratio; @@ -398,25 +396,23 @@ int lx_dsp_get_mac(struct lx6464es *chip) int lx_dsp_set_granularity(struct lx6464es *chip, u32 gran) { - unsigned long flags; int ret; - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_02_SET_GRANULARITY); chip->rmh.cmd[0] |= gran; ret = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return ret; } int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data) { - unsigned long flags; int ret; - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_04_GET_EVENT); chip->rmh.stat_len = 9; /* we don't necessarily need the full length */ @@ -426,7 +422,7 @@ int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data) if (!ret) memcpy(data, chip->rmh.stat, chip->rmh.stat_len * sizeof(u32)); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return ret; } @@ -440,18 +436,16 @@ int lx_pipe_allocate(struct lx6464es *chip, u32 pipe, int is_capture, int channels) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_06_ALLOCATE_PIPE); chip->rmh.cmd[0] |= pipe_cmd; chip->rmh.cmd[0] |= channels; err = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); if (err != 0) dev_err(chip->card->dev, "could not allocate pipe\n"); @@ -462,17 +456,15 @@ int lx_pipe_allocate(struct lx6464es *chip, u32 pipe, int is_capture, int lx_pipe_release(struct lx6464es *chip, u32 pipe, int is_capture) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_07_RELEASE_PIPE); chip->rmh.cmd[0] |= pipe_cmd; err = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -481,8 +473,6 @@ int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture, u32 *r_needed, u32 *r_freed, u32 *size_array) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); #ifdef CONFIG_SND_DEBUG @@ -493,7 +483,7 @@ int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture, *r_needed = 0; *r_freed = 0; - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_08_ASK_BUFFERS); chip->rmh.cmd[0] |= pipe_cmd; @@ -527,7 +517,7 @@ int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture, } } - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -535,36 +525,32 @@ int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture, int lx_pipe_stop(struct lx6464es *chip, u32 pipe, int is_capture) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_09_STOP_PIPE); chip->rmh.cmd[0] |= pipe_cmd; err = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } static int lx_pipe_toggle_state(struct lx6464es *chip, u32 pipe, int is_capture) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_0B_TOGGLE_PIPE_STATE); chip->rmh.cmd[0] |= pipe_cmd; err = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -600,11 +586,9 @@ int lx_pipe_sample_count(struct lx6464es *chip, u32 pipe, int is_capture, u64 *rsample_count) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_0A_GET_PIPE_SPL_COUNT); chip->rmh.cmd[0] |= pipe_cmd; @@ -621,18 +605,16 @@ int lx_pipe_sample_count(struct lx6464es *chip, u32 pipe, int is_capture, + chip->rmh.stat[1]; /* lo part */ } - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } int lx_pipe_state(struct lx6464es *chip, u32 pipe, int is_capture, u16 *rstate) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_0A_GET_PIPE_SPL_COUNT); chip->rmh.cmd[0] |= pipe_cmd; @@ -644,7 +626,7 @@ int lx_pipe_state(struct lx6464es *chip, u32 pipe, int is_capture, u16 *rstate) else *rstate = (chip->rmh.stat[0] >> PSTATE_OFFSET) & 0x0F; - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -686,18 +668,16 @@ int lx_stream_set_state(struct lx6464es *chip, u32 pipe, int is_capture, enum stream_state_t state) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_13_SET_STREAM_STATE); chip->rmh.cmd[0] |= pipe_cmd; chip->rmh.cmd[0] |= state; err = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -706,17 +686,14 @@ int lx_stream_set_format(struct lx6464es *chip, struct snd_pcm_runtime *runtime, u32 pipe, int is_capture) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - u32 channels = runtime->channels; if (runtime->channels != channels) dev_err(chip->card->dev, "channel count mismatch: %d vs %d", runtime->channels, channels); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_0C_DEF_STREAM); chip->rmh.cmd[0] |= pipe_cmd; @@ -732,7 +709,7 @@ int lx_stream_set_format(struct lx6464es *chip, struct snd_pcm_runtime *runtime, chip->rmh.cmd[0] |= channels-1; err = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -741,11 +718,9 @@ int lx_stream_state(struct lx6464es *chip, u32 pipe, int is_capture, int *rstate) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_0E_GET_STREAM_SPL_COUNT); chip->rmh.cmd[0] |= pipe_cmd; @@ -754,7 +729,7 @@ int lx_stream_state(struct lx6464es *chip, u32 pipe, int is_capture, *rstate = (chip->rmh.stat[0] & SF_START) ? START_STATE : PAUSE_STATE; - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -762,11 +737,9 @@ int lx_stream_sample_position(struct lx6464es *chip, u32 pipe, int is_capture, u64 *r_bytepos) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_0E_GET_STREAM_SPL_COUNT); chip->rmh.cmd[0] |= pipe_cmd; @@ -777,7 +750,7 @@ int lx_stream_sample_position(struct lx6464es *chip, u32 pipe, int is_capture, << 32) /* hi part */ + chip->rmh.stat[1]; /* lo part */ - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -787,11 +760,9 @@ int lx_buffer_give(struct lx6464es *chip, u32 pipe, int is_capture, u32 *r_buffer_index) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_0F_UPDATE_BUFFER); chip->rmh.cmd[0] |= pipe_cmd; @@ -828,7 +799,7 @@ int lx_buffer_give(struct lx6464es *chip, u32 pipe, int is_capture, "lx_buffer_give EB_CMD_REFUSED\n"); done: - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -836,11 +807,9 @@ int lx_buffer_free(struct lx6464es *chip, u32 pipe, int is_capture, u32 *r_buffer_size) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_11_CANCEL_BUFFER); chip->rmh.cmd[0] |= pipe_cmd; @@ -852,7 +821,7 @@ int lx_buffer_free(struct lx6464es *chip, u32 pipe, int is_capture, if (err == 0) *r_buffer_size = chip->rmh.stat[0] & MASK_DATA_SIZE; - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -860,11 +829,9 @@ int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture, u32 buffer_index) { int err; - unsigned long flags; - u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_11_CANCEL_BUFFER); chip->rmh.cmd[0] |= pipe_cmd; @@ -872,7 +839,7 @@ int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture, err = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -885,12 +852,10 @@ int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture, int lx_level_unmute(struct lx6464es *chip, int is_capture, int unmute) { int err; - unsigned long flags; - /* bit set to 1: channel muted */ u64 mute_mask = unmute ? 0 : 0xFFFFFFFFFFFFFFFFLLU; - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); lx_message_init(&chip->rmh, CMD_0D_SET_MUTE); chip->rmh.cmd[0] |= PIPE_INFO_TO_CMD(is_capture, 0); @@ -904,7 +869,7 @@ int lx_level_unmute(struct lx6464es *chip, int is_capture, int unmute) err = lx_message_send_atomic(chip, &chip->rmh); - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -931,10 +896,9 @@ int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels, u32 *r_levels) { int err = 0; - unsigned long flags; int i; - spin_lock_irqsave(&chip->msg_lock, flags); + mutex_lock(&chip->msg_lock); for (i = 0; i < channels; i += 4) { u32 s0, s1, s2, s3; @@ -959,7 +923,7 @@ int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels, r_levels += 4; } - spin_unlock_irqrestore(&chip->msg_lock, flags); + mutex_unlock(&chip->msg_lock); return err; } @@ -1075,7 +1039,6 @@ static int lx_interrupt_request_new_buffer(struct lx6464es *chip, struct snd_pcm_substream *substream = lx_stream->stream; const unsigned int is_capture = lx_stream->is_capture; int err; - unsigned long flags; const u32 channels = substream->runtime->channels; const u32 bytes_per_frame = channels * 3; @@ -1095,7 +1058,7 @@ static int lx_interrupt_request_new_buffer(struct lx6464es *chip, dev_dbg(chip->card->dev, "->lx_interrupt_request_new_buffer\n"); - spin_lock_irqsave(&chip->lock, flags); + mutex_lock(&chip->lock); err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array); dev_dbg(chip->card->dev, @@ -1109,85 +1072,28 @@ static int lx_interrupt_request_new_buffer(struct lx6464es *chip, buffer_index, (unsigned long)buf, period_bytes); lx_stream->frame_pos = next_pos; - spin_unlock_irqrestore(&chip->lock, flags); + mutex_unlock(&chip->lock); return err; } -void lx_tasklet_playback(unsigned long data) -{ - struct lx6464es *chip = (struct lx6464es *)data; - struct lx_stream *lx_stream = &chip->playback_stream; - int err; - - dev_dbg(chip->card->dev, "->lx_tasklet_playback\n"); - - err = lx_interrupt_request_new_buffer(chip, lx_stream); - if (err < 0) - dev_err(chip->card->dev, - "cannot request new buffer for playback\n"); - - snd_pcm_period_elapsed(lx_stream->stream); -} - -void lx_tasklet_capture(unsigned long data) -{ - struct lx6464es *chip = (struct lx6464es *)data; - struct lx_stream *lx_stream = &chip->capture_stream; - int err; - - dev_dbg(chip->card->dev, "->lx_tasklet_capture\n"); - err = lx_interrupt_request_new_buffer(chip, lx_stream); - if (err < 0) - dev_err(chip->card->dev, - "cannot request new buffer for capture\n"); - - snd_pcm_period_elapsed(lx_stream->stream); -} - - - -static int lx_interrupt_handle_audio_transfer(struct lx6464es *chip, - u64 notified_in_pipe_mask, - u64 notified_out_pipe_mask) -{ - int err = 0; - - if (notified_in_pipe_mask) { - dev_dbg(chip->card->dev, - "requesting audio transfer for capture\n"); - tasklet_hi_schedule(&chip->tasklet_capture); - } - - if (notified_out_pipe_mask) { - dev_dbg(chip->card->dev, - "requesting audio transfer for playback\n"); - tasklet_hi_schedule(&chip->tasklet_playback); - } - - return err; -} - - irqreturn_t lx_interrupt(int irq, void *dev_id) { struct lx6464es *chip = dev_id; int async_pending, async_escmd; u32 irqsrc; - - spin_lock(&chip->lock); + bool wake_thread = false; dev_dbg(chip->card->dev, "**************************************************\n"); if (!lx_interrupt_ack(chip, &irqsrc, &async_pending, &async_escmd)) { - spin_unlock(&chip->lock); dev_dbg(chip->card->dev, "IRQ_NONE\n"); return IRQ_NONE; /* this device did not cause the interrupt */ } if (irqsrc & MASK_SYS_STATUS_CMD_DONE) - goto exit; + return IRQ_HANDLED; if (irqsrc & MASK_SYS_STATUS_EOBI) dev_dbg(chip->card->dev, "interrupt: EOBI\n"); @@ -1202,27 +1108,8 @@ irqreturn_t lx_interrupt(int irq, void *dev_id) dev_dbg(chip->card->dev, "interrupt: ORUN\n"); if (async_pending) { - u64 notified_in_pipe_mask = 0; - u64 notified_out_pipe_mask = 0; - int freq_changed; - int err; - - /* handle async events */ - err = lx_interrupt_handle_async_events(chip, irqsrc, - &freq_changed, - ¬ified_in_pipe_mask, - ¬ified_out_pipe_mask); - if (err) - dev_err(chip->card->dev, - "error handling async events\n"); - - err = lx_interrupt_handle_audio_transfer(chip, - notified_in_pipe_mask, - notified_out_pipe_mask - ); - if (err) - dev_err(chip->card->dev, - "error during audio transfer\n"); + wake_thread = true; + chip->irqsrc = irqsrc; } if (async_escmd) { @@ -1235,9 +1122,50 @@ irqreturn_t lx_interrupt(int irq, void *dev_id) dev_dbg(chip->card->dev, "interrupt requests escmd handling\n"); } -exit: - spin_unlock(&chip->lock); - return IRQ_HANDLED; /* this device caused the interrupt */ + return wake_thread ? IRQ_WAKE_THREAD : IRQ_HANDLED; +} + +irqreturn_t lx_threaded_irq(int irq, void *dev_id) +{ + struct lx6464es *chip = dev_id; + u64 notified_in_pipe_mask = 0; + u64 notified_out_pipe_mask = 0; + int freq_changed; + int err; + + /* handle async events */ + err = lx_interrupt_handle_async_events(chip, chip->irqsrc, + &freq_changed, + ¬ified_in_pipe_mask, + ¬ified_out_pipe_mask); + if (err) + dev_err(chip->card->dev, "error handling async events\n"); + + if (notified_in_pipe_mask) { + struct lx_stream *lx_stream = &chip->capture_stream; + + dev_dbg(chip->card->dev, + "requesting audio transfer for capture\n"); + err = lx_interrupt_request_new_buffer(chip, lx_stream); + if (err < 0) + dev_err(chip->card->dev, + "cannot request new buffer for capture\n"); + snd_pcm_period_elapsed(lx_stream->stream); + } + + if (notified_out_pipe_mask) { + struct lx_stream *lx_stream = &chip->playback_stream; + + dev_dbg(chip->card->dev, + "requesting audio transfer for playback\n"); + err = lx_interrupt_request_new_buffer(chip, lx_stream); + if (err < 0) + dev_err(chip->card->dev, + "cannot request new buffer for playback\n"); + snd_pcm_period_elapsed(lx_stream->stream); + } + + return IRQ_HANDLED; } diff --git a/sound/pci/lx6464es/lx_core.h b/sound/pci/lx6464es/lx_core.h index 5ec5e04da1a5..0cc140ca98e3 100644 --- a/sound/pci/lx6464es/lx_core.h +++ b/sound/pci/lx6464es/lx_core.h @@ -181,12 +181,10 @@ int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels, /* interrupt handling */ irqreturn_t lx_interrupt(int irq, void *dev_id); +irqreturn_t lx_threaded_irq(int irq, void *dev_id); void lx_irq_enable(struct lx6464es *chip); void lx_irq_disable(struct lx6464es *chip); -void lx_tasklet_capture(unsigned long data); -void lx_tasklet_playback(unsigned long data); - /* Stream Format Header Defines (for LIN and IEEE754) */ #define HEADER_FMT_BASE HEADER_FMT_BASE_LIN |
