19 static inline void get_pcm_info(struct i2sbus_dev *i2sdev, int in,  in get_pcm_info()  argument
24 			*pi = &i2sdev->in;  in get_pcm_info()
26 			*other = &i2sdev->out;  in get_pcm_info()
29 			*pi = &i2sdev->out;  in get_pcm_info()
31 			*other = &i2sdev->in;  in get_pcm_info()
73 static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)  in i2sbus_pcm_open()  argument
87 	mutex_lock(&i2sdev->lock);  in i2sbus_pcm_open()
89 	get_pcm_info(i2sdev, in, &pi, &other);  in i2sbus_pcm_open()
92 	sdev = &i2sdev->sound;  in i2sbus_pcm_open()
182 		hw->formats &= pcm_format_to_bits(i2sdev->format);  in i2sbus_pcm_open()
184 		hw->rate_min = i2sdev->rate;  in i2sbus_pcm_open()
185 		hw->rate_max = i2sdev->rate;  in i2sbus_pcm_open()
224 	mutex_unlock(&i2sdev->lock);  in i2sbus_pcm_open()
230 static int i2sbus_pcm_close(struct i2sbus_dev *i2sdev, int in)  in i2sbus_pcm_close()  argument
236 	mutex_lock(&i2sdev->lock);  in i2sbus_pcm_close()
238 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_close()
240 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {  in i2sbus_pcm_close()
250 	mutex_unlock(&i2sdev->lock);  in i2sbus_pcm_close()
254 static void i2sbus_wait_for_stop(struct i2sbus_dev *i2sdev,  in i2sbus_wait_for_stop()  argument
261 	spin_lock_irqsave(&i2sdev->low_lock, flags);  in i2sbus_wait_for_stop()
265 		spin_unlock_irqrestore(&i2sdev->low_lock, flags);  in i2sbus_wait_for_stop()
267 		spin_lock_irqsave(&i2sdev->low_lock, flags);  in i2sbus_wait_for_stop()
283 	spin_unlock_irqrestore(&i2sdev->low_lock, flags);  in i2sbus_wait_for_stop()
287 void i2sbus_wait_for_stop_both(struct i2sbus_dev *i2sdev)  in i2sbus_wait_for_stop_both()  argument
291 	get_pcm_info(i2sdev, 0, &pi, NULL);  in i2sbus_wait_for_stop_both()
292 	i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_wait_for_stop_both()
293 	get_pcm_info(i2sdev, 1, &pi, NULL);  in i2sbus_wait_for_stop_both()
294 	i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_wait_for_stop_both()
306 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_hw_free()  local
309 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_hw_free()
311 		i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_hw_free()
326 static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)  in i2sbus_pcm_prepare()  argument
345 	mutex_lock(&i2sdev->lock);  in i2sbus_pcm_prepare()
347 	get_pcm_info(i2sdev, in, &pi, &other);  in i2sbus_pcm_prepare()
354 		i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_pcm_prepare()
364 	    ((i2sdev->format != runtime->format)  in i2sbus_pcm_prepare()
365 	     || (i2sdev->rate != runtime->rate))) {  in i2sbus_pcm_prepare()
370 	i2sdev->format = runtime->format;  in i2sbus_pcm_prepare()
371 	i2sdev->rate = runtime->rate;  in i2sbus_pcm_prepare()
420 		list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {  in i2sbus_pcm_prepare()
442 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {  in i2sbus_pcm_prepare()
465 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {  in i2sbus_pcm_prepare()
486 	if (in_le32(&i2sdev->intfregs->serial_format) == sfr  in i2sbus_pcm_prepare()
487 	 && in_le32(&i2sdev->intfregs->data_word_sizes) == dws)  in i2sbus_pcm_prepare()
492 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list)  in i2sbus_pcm_prepare()
496 	i2sbus_control_enable(i2sdev->control, i2sdev);  in i2sbus_pcm_prepare()
497 	i2sbus_control_cell(i2sdev->control, i2sdev, 1);  in i2sbus_pcm_prepare()
499 	out_le32(&i2sdev->intfregs->intr_ctl, I2S_PENDING_CLOCKS_STOPPED);  in i2sbus_pcm_prepare()
501 	i2sbus_control_clock(i2sdev->control, i2sdev, 0);  in i2sbus_pcm_prepare()
508 	    !(in_le32(&i2sdev->intfregs->intr_ctl) & I2S_PENDING_CLOCKS_STOPPED)) {  in i2sbus_pcm_prepare()
511 	out_le32(&i2sdev->intfregs->intr_ctl, I2S_PENDING_CLOCKS_STOPPED);  in i2sbus_pcm_prepare()
514 	out_le32(&i2sdev->intfregs->serial_format, sfr);  in i2sbus_pcm_prepare()
515 	out_le32(&i2sdev->intfregs->data_word_sizes, dws);  in i2sbus_pcm_prepare()
517         i2sbus_control_enable(i2sdev->control, i2sdev);  in i2sbus_pcm_prepare()
518         i2sbus_control_cell(i2sdev->control, i2sdev, 1);  in i2sbus_pcm_prepare()
519         i2sbus_control_clock(i2sdev->control, i2sdev, 1);  in i2sbus_pcm_prepare()
522 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list)  in i2sbus_pcm_prepare()
527 	mutex_unlock(&i2sdev->lock);  in i2sbus_pcm_prepare()
532 void i2sbus_pcm_prepare_both(struct i2sbus_dev *i2sdev)  in i2sbus_pcm_prepare_both()  argument
534 	i2sbus_pcm_prepare(i2sdev, 0);  in i2sbus_pcm_prepare_both()
535 	i2sbus_pcm_prepare(i2sdev, 1);  in i2sbus_pcm_prepare_both()
539 static int i2sbus_pcm_trigger(struct i2sbus_dev *i2sdev, int in, int cmd)  in i2sbus_pcm_trigger()  argument
546 	spin_lock_irqsave(&i2sdev->low_lock, flags);  in i2sbus_pcm_trigger()
548 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_trigger()
557 		list_for_each_entry(cii, &i2sdev->sound.codec_list, list)  in i2sbus_pcm_trigger()
586 		pi->frame_count = in_le32(&i2sdev->intfregs->frame_count);  in i2sbus_pcm_trigger()
606 		list_for_each_entry(cii, &i2sdev->sound.codec_list, list)  in i2sbus_pcm_trigger()
616 	spin_unlock_irqrestore(&i2sdev->low_lock, flags);  in i2sbus_pcm_trigger()
620 static snd_pcm_uframes_t i2sbus_pcm_pointer(struct i2sbus_dev *i2sdev, int in)  in i2sbus_pcm_pointer()  argument
625 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_pointer()
627 	fc = in_le32(&i2sdev->intfregs->frame_count);  in i2sbus_pcm_pointer()
635 static inline void handle_interrupt(struct i2sbus_dev *i2sdev, int in)  in handle_interrupt()  argument
644 	spin_lock(&i2sdev->low_lock);  in handle_interrupt()
645 	get_pcm_info(i2sdev, in, &pi, NULL);  in handle_interrupt()
671 		fc = in_le32(&i2sdev->intfregs->frame_count);  in handle_interrupt()
701 	spin_unlock(&i2sdev->low_lock);  in handle_interrupt()
707 	spin_unlock(&i2sdev->low_lock);  in handle_interrupt()
724 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_open()  local
726 	if (!i2sdev)  in i2sbus_playback_open()
728 	i2sdev->out.substream = substream;  in i2sbus_playback_open()
729 	return i2sbus_pcm_open(i2sdev, 0);  in i2sbus_playback_open()
734 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_close()  local
737 	if (!i2sdev)  in i2sbus_playback_close()
739 	if (i2sdev->out.substream != substream)  in i2sbus_playback_close()
741 	err = i2sbus_pcm_close(i2sdev, 0);  in i2sbus_playback_close()
743 		i2sdev->out.substream = NULL;  in i2sbus_playback_close()
749 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_prepare()  local
751 	if (!i2sdev)  in i2sbus_playback_prepare()
753 	if (i2sdev->out.substream != substream)  in i2sbus_playback_prepare()
755 	return i2sbus_pcm_prepare(i2sdev, 0);  in i2sbus_playback_prepare()
760 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_trigger()  local
762 	if (!i2sdev)  in i2sbus_playback_trigger()
764 	if (i2sdev->out.substream != substream)  in i2sbus_playback_trigger()
766 	return i2sbus_pcm_trigger(i2sdev, 0, cmd);  in i2sbus_playback_trigger()
772 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_pointer()  local
774 	if (!i2sdev)  in i2sbus_playback_pointer()
776 	if (i2sdev->out.substream != substream)  in i2sbus_playback_pointer()
778 	return i2sbus_pcm_pointer(i2sdev, 0);  in i2sbus_playback_pointer()
794 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_open()  local
796 	if (!i2sdev)  in i2sbus_record_open()
798 	i2sdev->in.substream = substream;  in i2sbus_record_open()
799 	return i2sbus_pcm_open(i2sdev, 1);  in i2sbus_record_open()
804 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_close()  local
807 	if (!i2sdev)  in i2sbus_record_close()
809 	if (i2sdev->in.substream != substream)  in i2sbus_record_close()
811 	err = i2sbus_pcm_close(i2sdev, 1);  in i2sbus_record_close()
813 		i2sdev->in.substream = NULL;  in i2sbus_record_close()
819 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_prepare()  local
821 	if (!i2sdev)  in i2sbus_record_prepare()
823 	if (i2sdev->in.substream != substream)  in i2sbus_record_prepare()
825 	return i2sbus_pcm_prepare(i2sdev, 1);  in i2sbus_record_prepare()
830 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_trigger()  local
832 	if (!i2sdev)  in i2sbus_record_trigger()
834 	if (i2sdev->in.substream != substream)  in i2sbus_record_trigger()
836 	return i2sbus_pcm_trigger(i2sdev, 1, cmd);  in i2sbus_record_trigger()
842 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_pointer()  local
844 	if (!i2sdev)  in i2sbus_record_pointer()
846 	if (i2sdev->in.substream != substream)  in i2sbus_record_pointer()
848 	return i2sbus_pcm_pointer(i2sdev, 1);  in i2sbus_record_pointer()
864 	struct i2sbus_dev *i2sdev = snd_pcm_chip(pcm);  in i2sbus_private_free()  local
867 	i2sdev->sound.pcm = NULL;  in i2sbus_private_free()
868 	i2sdev->out.created = 0;  in i2sbus_private_free()
869 	i2sdev->in.created = 0;  in i2sbus_private_free()
870 	list_for_each_entry_safe(p, tmp, &i2sdev->sound.codec_list, list) {  in i2sbus_private_free()
876 	soundbus_dev_put(&i2sdev->sound);  in i2sbus_private_free()
886 	struct i2sbus_dev *i2sdev = soundbus_dev_to_i2sbus_dev(dev);  in i2sbus_attach_codec()  local
977 	if (!i2sdev->out.created && out) {  in i2sbus_attach_codec()
992 		i2sdev->out.created = 1;  in i2sbus_attach_codec()
995 	if (!i2sdev->in.created && in) {  in i2sbus_attach_codec()
1009 		i2sdev->in.created = 1;  in i2sbus_attach_codec()
1026 	dev->pcm->private_data = i2sdev;  in i2sbus_attach_codec()
1032 		snd_dma_pci_data(macio_get_pci_dev(i2sdev->macio)),  in i2sbus_attach_codec()