18 static inline void get_pcm_info(struct i2sbus_dev *i2sdev, int in,  in get_pcm_info()  argument
23 			*pi = &i2sdev->in;  in get_pcm_info()
25 			*other = &i2sdev->out;  in get_pcm_info()
28 			*pi = &i2sdev->out;  in get_pcm_info()
30 			*other = &i2sdev->in;  in get_pcm_info()
72 static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)  in i2sbus_pcm_open()  argument
86 	mutex_lock(&i2sdev->lock);  in i2sbus_pcm_open()
88 	get_pcm_info(i2sdev, in, &pi, &other);  in i2sbus_pcm_open()
91 	sdev = &i2sdev->sound;  in i2sbus_pcm_open()
181 		hw->formats &= pcm_format_to_bits(i2sdev->format);  in i2sbus_pcm_open()
183 		hw->rate_min = i2sdev->rate;  in i2sbus_pcm_open()
184 		hw->rate_max = i2sdev->rate;  in i2sbus_pcm_open()
223 	mutex_unlock(&i2sdev->lock);  in i2sbus_pcm_open()
229 static int i2sbus_pcm_close(struct i2sbus_dev *i2sdev, int in)  in i2sbus_pcm_close()  argument
235 	mutex_lock(&i2sdev->lock);  in i2sbus_pcm_close()
237 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_close()
239 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {  in i2sbus_pcm_close()
249 	mutex_unlock(&i2sdev->lock);  in i2sbus_pcm_close()
253 static void i2sbus_wait_for_stop(struct i2sbus_dev *i2sdev,  in i2sbus_wait_for_stop()  argument
260 	spin_lock_irqsave(&i2sdev->low_lock, flags);  in i2sbus_wait_for_stop()
263 		spin_unlock_irqrestore(&i2sdev->low_lock, flags);  in i2sbus_wait_for_stop()
265 		spin_lock_irqsave(&i2sdev->low_lock, flags);  in i2sbus_wait_for_stop()
281 	spin_unlock_irqrestore(&i2sdev->low_lock, flags);  in i2sbus_wait_for_stop()
285 void i2sbus_wait_for_stop_both(struct i2sbus_dev *i2sdev)  in i2sbus_wait_for_stop_both()  argument
289 	get_pcm_info(i2sdev, 0, &pi, NULL);  in i2sbus_wait_for_stop_both()
290 	i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_wait_for_stop_both()
291 	get_pcm_info(i2sdev, 1, &pi, NULL);  in i2sbus_wait_for_stop_both()
292 	i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_wait_for_stop_both()
298 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_hw_free()  local
301 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_hw_free()
303 		i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_hw_free()
317 static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)  in i2sbus_pcm_prepare()  argument
336 	mutex_lock(&i2sdev->lock);  in i2sbus_pcm_prepare()
338 	get_pcm_info(i2sdev, in, &pi, &other);  in i2sbus_pcm_prepare()
345 		i2sbus_wait_for_stop(i2sdev, pi);  in i2sbus_pcm_prepare()
355 	    ((i2sdev->format != runtime->format)  in i2sbus_pcm_prepare()
356 	     || (i2sdev->rate != runtime->rate))) {  in i2sbus_pcm_prepare()
361 	i2sdev->format = runtime->format;  in i2sbus_pcm_prepare()
362 	i2sdev->rate = runtime->rate;  in i2sbus_pcm_prepare()
411 		list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {  in i2sbus_pcm_prepare()
433 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {  in i2sbus_pcm_prepare()
456 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {  in i2sbus_pcm_prepare()
477 	if (in_le32(&i2sdev->intfregs->serial_format) == sfr  in i2sbus_pcm_prepare()
478 	 && in_le32(&i2sdev->intfregs->data_word_sizes) == dws)  in i2sbus_pcm_prepare()
483 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list)  in i2sbus_pcm_prepare()
487 	i2sbus_control_enable(i2sdev->control, i2sdev);  in i2sbus_pcm_prepare()
488 	i2sbus_control_cell(i2sdev->control, i2sdev, 1);  in i2sbus_pcm_prepare()
490 	out_le32(&i2sdev->intfregs->intr_ctl, I2S_PENDING_CLOCKS_STOPPED);  in i2sbus_pcm_prepare()
492 	i2sbus_control_clock(i2sdev->control, i2sdev, 0);  in i2sbus_pcm_prepare()
499 	    !(in_le32(&i2sdev->intfregs->intr_ctl) & I2S_PENDING_CLOCKS_STOPPED)) {  in i2sbus_pcm_prepare()
502 	out_le32(&i2sdev->intfregs->intr_ctl, I2S_PENDING_CLOCKS_STOPPED);  in i2sbus_pcm_prepare()
505 	out_le32(&i2sdev->intfregs->serial_format, sfr);  in i2sbus_pcm_prepare()
506 	out_le32(&i2sdev->intfregs->data_word_sizes, dws);  in i2sbus_pcm_prepare()
508         i2sbus_control_enable(i2sdev->control, i2sdev);  in i2sbus_pcm_prepare()
509         i2sbus_control_cell(i2sdev->control, i2sdev, 1);  in i2sbus_pcm_prepare()
510         i2sbus_control_clock(i2sdev->control, i2sdev, 1);  in i2sbus_pcm_prepare()
513 	list_for_each_entry(cii, &i2sdev->sound.codec_list, list)  in i2sbus_pcm_prepare()
518 	mutex_unlock(&i2sdev->lock);  in i2sbus_pcm_prepare()
523 void i2sbus_pcm_prepare_both(struct i2sbus_dev *i2sdev)  in i2sbus_pcm_prepare_both()  argument
525 	i2sbus_pcm_prepare(i2sdev, 0);  in i2sbus_pcm_prepare_both()
526 	i2sbus_pcm_prepare(i2sdev, 1);  in i2sbus_pcm_prepare_both()
530 static int i2sbus_pcm_trigger(struct i2sbus_dev *i2sdev, int in, int cmd)  in i2sbus_pcm_trigger()  argument
537 	spin_lock_irqsave(&i2sdev->low_lock, flags);  in i2sbus_pcm_trigger()
539 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_trigger()
548 		list_for_each_entry(cii, &i2sdev->sound.codec_list, list)  in i2sbus_pcm_trigger()
577 		pi->frame_count = in_le32(&i2sdev->intfregs->frame_count);  in i2sbus_pcm_trigger()
597 		list_for_each_entry(cii, &i2sdev->sound.codec_list, list)  in i2sbus_pcm_trigger()
607 	spin_unlock_irqrestore(&i2sdev->low_lock, flags);  in i2sbus_pcm_trigger()
611 static snd_pcm_uframes_t i2sbus_pcm_pointer(struct i2sbus_dev *i2sdev, int in)  in i2sbus_pcm_pointer()  argument
616 	get_pcm_info(i2sdev, in, &pi, NULL);  in i2sbus_pcm_pointer()
618 	fc = in_le32(&i2sdev->intfregs->frame_count);  in i2sbus_pcm_pointer()
626 static inline void handle_interrupt(struct i2sbus_dev *i2sdev, int in)  in handle_interrupt()  argument
635 	spin_lock(&i2sdev->low_lock);  in handle_interrupt()
636 	get_pcm_info(i2sdev, in, &pi, NULL);  in handle_interrupt()
662 		fc = in_le32(&i2sdev->intfregs->frame_count);  in handle_interrupt()
692 	spin_unlock(&i2sdev->low_lock);  in handle_interrupt()
698 	spin_unlock(&i2sdev->low_lock);  in handle_interrupt()
715 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_open()  local
717 	if (!i2sdev)  in i2sbus_playback_open()
719 	i2sdev->out.substream = substream;  in i2sbus_playback_open()
720 	return i2sbus_pcm_open(i2sdev, 0);  in i2sbus_playback_open()
725 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_close()  local
728 	if (!i2sdev)  in i2sbus_playback_close()
730 	if (i2sdev->out.substream != substream)  in i2sbus_playback_close()
732 	err = i2sbus_pcm_close(i2sdev, 0);  in i2sbus_playback_close()
734 		i2sdev->out.substream = NULL;  in i2sbus_playback_close()
740 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_prepare()  local
742 	if (!i2sdev)  in i2sbus_playback_prepare()
744 	if (i2sdev->out.substream != substream)  in i2sbus_playback_prepare()
746 	return i2sbus_pcm_prepare(i2sdev, 0);  in i2sbus_playback_prepare()
751 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_trigger()  local
753 	if (!i2sdev)  in i2sbus_playback_trigger()
755 	if (i2sdev->out.substream != substream)  in i2sbus_playback_trigger()
757 	return i2sbus_pcm_trigger(i2sdev, 0, cmd);  in i2sbus_playback_trigger()
763 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_playback_pointer()  local
765 	if (!i2sdev)  in i2sbus_playback_pointer()
767 	if (i2sdev->out.substream != substream)  in i2sbus_playback_pointer()
769 	return i2sbus_pcm_pointer(i2sdev, 0);  in i2sbus_playback_pointer()
783 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_open()  local
785 	if (!i2sdev)  in i2sbus_record_open()
787 	i2sdev->in.substream = substream;  in i2sbus_record_open()
788 	return i2sbus_pcm_open(i2sdev, 1);  in i2sbus_record_open()
793 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_close()  local
796 	if (!i2sdev)  in i2sbus_record_close()
798 	if (i2sdev->in.substream != substream)  in i2sbus_record_close()
800 	err = i2sbus_pcm_close(i2sdev, 1);  in i2sbus_record_close()
802 		i2sdev->in.substream = NULL;  in i2sbus_record_close()
808 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_prepare()  local
810 	if (!i2sdev)  in i2sbus_record_prepare()
812 	if (i2sdev->in.substream != substream)  in i2sbus_record_prepare()
814 	return i2sbus_pcm_prepare(i2sdev, 1);  in i2sbus_record_prepare()
819 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_trigger()  local
821 	if (!i2sdev)  in i2sbus_record_trigger()
823 	if (i2sdev->in.substream != substream)  in i2sbus_record_trigger()
825 	return i2sbus_pcm_trigger(i2sdev, 1, cmd);  in i2sbus_record_trigger()
831 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);  in i2sbus_record_pointer()  local
833 	if (!i2sdev)  in i2sbus_record_pointer()
835 	if (i2sdev->in.substream != substream)  in i2sbus_record_pointer()
837 	return i2sbus_pcm_pointer(i2sdev, 1);  in i2sbus_record_pointer()
851 	struct i2sbus_dev *i2sdev = snd_pcm_chip(pcm);  in i2sbus_private_free()  local
854 	i2sdev->sound.pcm = NULL;  in i2sbus_private_free()
855 	i2sdev->out.created = 0;  in i2sbus_private_free()
856 	i2sdev->in.created = 0;  in i2sbus_private_free()
857 	list_for_each_entry_safe(p, tmp, &i2sdev->sound.codec_list, list) {  in i2sbus_private_free()
863 	soundbus_dev_put(&i2sdev->sound);  in i2sbus_private_free()
873 	struct i2sbus_dev *i2sdev = soundbus_dev_to_i2sbus_dev(dev);  in i2sbus_attach_codec()  local
962 	if (!i2sdev->out.created && out) {  in i2sbus_attach_codec()
977 		i2sdev->out.created = 1;  in i2sbus_attach_codec()
980 	if (!i2sdev->in.created && in) {  in i2sbus_attach_codec()
994 		i2sdev->in.created = 1;  in i2sbus_attach_codec()
1011 	dev->pcm->private_data = i2sdev;  in i2sbus_attach_codec()
1017 		&macio_get_pci_dev(i2sdev->macio)->dev,  in i2sbus_attach_codec()