50 static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct pmac_dbdma *rec, int size)  in snd_pmac_dbdma_alloc()  argument
54 	rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize,  in snd_pmac_dbdma_alloc()
66 static void snd_pmac_dbdma_free(struct snd_pmac *chip, struct pmac_dbdma *rec)  in snd_pmac_dbdma_free()  argument
71 		dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base);  in snd_pmac_dbdma_free()
84 unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate)  in snd_pmac_rate_index()  argument
89 	if (rate > chip->freq_table[0])  in snd_pmac_rate_index()
92 	for (i = 0; i < chip->num_freqs; i++, ok >>= 1) {  in snd_pmac_rate_index()
95 		if (rate >= chip->freq_table[i])  in snd_pmac_rate_index()
113 static struct pmac_stream *snd_pmac_get_stream(struct snd_pmac *chip, int stream)  in snd_pmac_get_stream()  argument
117 		return &chip->playback;  in snd_pmac_get_stream()
119 		return &chip->capture;  in snd_pmac_get_stream()
138  * set the format and rate to the chip.
141 static void snd_pmac_pcm_set_format(struct snd_pmac *chip)  in snd_pmac_pcm_set_format()  argument
144 	out_le32(&chip->awacs->control, chip->control_mask | (chip->rate_index << 8));  in snd_pmac_pcm_set_format()
145 	out_le32(&chip->awacs->byteswap, chip->format == SNDRV_PCM_FORMAT_S16_LE ? 1 : 0);  in snd_pmac_pcm_set_format()
146 	if (chip->set_format)  in snd_pmac_pcm_set_format()
147 		chip->set_format(chip);  in snd_pmac_pcm_set_format()
179 static int snd_pmac_pcm_prepare(struct snd_pmac *chip, struct pmac_stream *rec, struct snd_pcm_subs…  in snd_pmac_pcm_prepare()  argument
192 	rate_index = snd_pmac_rate_index(chip, rec, runtime->rate);  in snd_pmac_pcm_prepare()
195 	astr = snd_pmac_get_stream(chip, another_stream(rec->stream));  in snd_pmac_pcm_prepare()
200 	chip->rate_index = rate_index;  in snd_pmac_pcm_prepare()
201 	chip->format = runtime->format;  in snd_pmac_pcm_prepare()
209 	spin_lock_irq(&chip->reg_lock);  in snd_pmac_pcm_prepare()
211 	chip->extra_dma.cmds->command = cpu_to_le16(DBDMA_STOP);  in snd_pmac_pcm_prepare()
212 	snd_pmac_dma_set_command(rec, &chip->extra_dma);  in snd_pmac_pcm_prepare()
214 	spin_unlock_irq(&chip->reg_lock);  in snd_pmac_pcm_prepare()
216 	spin_lock_irq(&chip->reg_lock);  in snd_pmac_pcm_prepare()
234 	spin_unlock_irq(&chip->reg_lock);  in snd_pmac_pcm_prepare()
243 static int snd_pmac_pcm_trigger(struct snd_pmac *chip, struct pmac_stream *rec,  in snd_pmac_pcm_trigger()  argument
256 		spin_lock(&chip->reg_lock);  in snd_pmac_pcm_trigger()
257 		snd_pmac_beep_stop(chip);  in snd_pmac_pcm_trigger()
258 		snd_pmac_pcm_set_format(chip);  in snd_pmac_pcm_trigger()
265 		spin_unlock(&chip->reg_lock);  in snd_pmac_pcm_trigger()
270 		spin_lock(&chip->reg_lock);  in snd_pmac_pcm_trigger()
275 		spin_unlock(&chip->reg_lock);  in snd_pmac_pcm_trigger()
289 static snd_pcm_uframes_t snd_pmac_pcm_pointer(struct snd_pmac *chip,  in snd_pmac_pcm_pointer()  argument
315 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_playback_prepare()  local
316 	return snd_pmac_pcm_prepare(chip, &chip->playback, subs);  in snd_pmac_playback_prepare()
322 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_playback_trigger()  local
323 	return snd_pmac_pcm_trigger(chip, &chip->playback, subs, cmd);  in snd_pmac_playback_trigger()
328 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_playback_pointer()  local
329 	return snd_pmac_pcm_pointer(chip, &chip->playback, subs);  in snd_pmac_playback_pointer()
339 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_capture_prepare()  local
340 	return snd_pmac_pcm_prepare(chip, &chip->capture, subs);  in snd_pmac_capture_prepare()
346 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_capture_trigger()  local
347 	return snd_pmac_pcm_trigger(chip, &chip->capture, subs, cmd);  in snd_pmac_capture_trigger()
352 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_capture_pointer()  local
353 	return snd_pmac_pcm_pointer(chip, &chip->capture, subs);  in snd_pmac_capture_pointer()
427 static void snd_pmac_pcm_update(struct snd_pmac *chip, struct pmac_stream *rec)  in snd_pmac_pcm_update()  argument
433 	spin_lock(&chip->reg_lock);  in snd_pmac_pcm_update()
463 			spin_unlock(&chip->reg_lock);  in snd_pmac_pcm_update()
465 			spin_lock(&chip->reg_lock);  in snd_pmac_pcm_update()
468 	spin_unlock(&chip->reg_lock);  in snd_pmac_pcm_update()
519 	struct snd_pmac *chip = rule->private;
520 	struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]);
526 	for (i = chip->num_freqs - 1; i >= 0; i--) {
528 			freq_table[num_freqs++] = chip->freq_table[i];
538 	struct snd_pmac *chip = rule->private;
539 	struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]);
548 static int snd_pmac_pcm_open(struct snd_pmac *chip, struct pmac_stream *rec,  in snd_pmac_pcm_open()  argument
556 	for (i = 0; i < chip->num_freqs; i++)  in snd_pmac_pcm_open()
557 		if (chip->freqs_ok & (1 << i))  in snd_pmac_pcm_open()
559 				snd_pcm_rate_to_rate_bit(chip->freq_table[i]);  in snd_pmac_pcm_open()
562 	for (i = 0; i < chip->num_freqs; i++) {  in snd_pmac_pcm_open()
563 		if (chip->freqs_ok & (1 << i)) {  in snd_pmac_pcm_open()
564 			runtime->hw.rate_max = chip->freq_table[i];  in snd_pmac_pcm_open()
568 	for (i = chip->num_freqs - 1; i >= 0; i--) {  in snd_pmac_pcm_open()
569 		if (chip->freqs_ok & (1 << i)) {  in snd_pmac_pcm_open()
570 			runtime->hw.rate_min = chip->freq_table[i];  in snd_pmac_pcm_open()
574 	runtime->hw.formats = chip->formats_ok;  in snd_pmac_pcm_open()
575 	if (chip->can_capture) {  in snd_pmac_pcm_open()
576 		if (! chip->can_duplex)  in snd_pmac_pcm_open()
585 			    snd_pmac_hw_rule_rate, chip, rec->stream, -1);  in snd_pmac_pcm_open()
587 			    snd_pmac_hw_rule_format, chip, rec->stream, -1);  in snd_pmac_pcm_open()
597 static int snd_pmac_pcm_close(struct snd_pmac *chip, struct pmac_stream *rec,  in snd_pmac_pcm_close()  argument
604 	astr = snd_pmac_get_stream(chip, another_stream(rec->stream));  in snd_pmac_pcm_close()
609 	astr->cur_freqs = chip->freqs_ok;  in snd_pmac_pcm_close()
610 	astr->cur_formats = chip->formats_ok;  in snd_pmac_pcm_close()
617 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_playback_open()  local
620 	return snd_pmac_pcm_open(chip, &chip->playback, subs);  in snd_pmac_playback_open()
625 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_capture_open()  local
628 	return snd_pmac_pcm_open(chip, &chip->capture, subs);  in snd_pmac_capture_open()
633 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_playback_close()  local
635 	return snd_pmac_pcm_close(chip, &chip->playback, subs);  in snd_pmac_playback_close()
640 	struct snd_pmac *chip = snd_pcm_substream_chip(subs);  in snd_pmac_capture_close()  local
642 	return snd_pmac_pcm_close(chip, &chip->capture, subs);  in snd_pmac_capture_close()
664 int snd_pmac_pcm_new(struct snd_pmac *chip)  in snd_pmac_pcm_new()  argument
670 	if (! chip->can_capture)  in snd_pmac_pcm_new()
672 	err = snd_pcm_new(chip->card, chip->card->driver, 0, 1, num_captures, &pcm);  in snd_pmac_pcm_new()
677 	if (chip->can_capture)  in snd_pmac_pcm_new()
680 	pcm->private_data = chip;  in snd_pmac_pcm_new()
682 	strcpy(pcm->name, chip->card->shortname);  in snd_pmac_pcm_new()
683 	chip->pcm = pcm;  in snd_pmac_pcm_new()
685 	chip->formats_ok = SNDRV_PCM_FMTBIT_S16_BE;  in snd_pmac_pcm_new()
686 	if (chip->can_byte_swap)  in snd_pmac_pcm_new()
687 		chip->formats_ok |= SNDRV_PCM_FMTBIT_S16_LE;  in snd_pmac_pcm_new()
689 	chip->playback.cur_formats = chip->formats_ok;  in snd_pmac_pcm_new()
690 	chip->capture.cur_formats = chip->formats_ok;  in snd_pmac_pcm_new()
691 	chip->playback.cur_freqs = chip->freqs_ok;  in snd_pmac_pcm_new()
692 	chip->capture.cur_freqs = chip->freqs_ok;  in snd_pmac_pcm_new()
696 				       &chip->pdev->dev,  in snd_pmac_pcm_new()
703 static void snd_pmac_dbdma_reset(struct snd_pmac *chip)  in snd_pmac_dbdma_reset()  argument
705 	out_le32(&chip->playback.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16);  in snd_pmac_dbdma_reset()
706 	snd_pmac_wait_ack(&chip->playback);  in snd_pmac_dbdma_reset()
707 	out_le32(&chip->capture.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16);  in snd_pmac_dbdma_reset()
708 	snd_pmac_wait_ack(&chip->capture);  in snd_pmac_dbdma_reset()
715 void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed)  in snd_pmac_beep_dma_start()  argument
717 	struct pmac_stream *rec = &chip->playback;  in snd_pmac_beep_dma_start()
720 	chip->extra_dma.cmds->req_count = cpu_to_le16(bytes);  in snd_pmac_beep_dma_start()
721 	chip->extra_dma.cmds->xfer_status = cpu_to_le16(0);  in snd_pmac_beep_dma_start()
722 	chip->extra_dma.cmds->cmd_dep = cpu_to_le32(chip->extra_dma.addr);  in snd_pmac_beep_dma_start()
723 	chip->extra_dma.cmds->phy_addr = cpu_to_le32(addr);  in snd_pmac_beep_dma_start()
724 	chip->extra_dma.cmds->command = cpu_to_le16(OUTPUT_MORE | BR_ALWAYS);  in snd_pmac_beep_dma_start()
725 	out_le32(&chip->awacs->control,  in snd_pmac_beep_dma_start()
726 		 (in_le32(&chip->awacs->control) & ~0x1f00)  in snd_pmac_beep_dma_start()
728 	out_le32(&chip->awacs->byteswap, 0);  in snd_pmac_beep_dma_start()
729 	snd_pmac_dma_set_command(rec, &chip->extra_dma);  in snd_pmac_beep_dma_start()
733 void snd_pmac_beep_dma_stop(struct snd_pmac *chip)  in snd_pmac_beep_dma_stop()  argument
735 	snd_pmac_dma_stop(&chip->playback);  in snd_pmac_beep_dma_stop()
736 	chip->extra_dma.cmds->command = cpu_to_le16(DBDMA_STOP);  in snd_pmac_beep_dma_stop()
737 	snd_pmac_pcm_set_format(chip); /* reset format */  in snd_pmac_beep_dma_stop()
747 	struct snd_pmac *chip = devid;  in snd_pmac_tx_intr()  local
748 	snd_pmac_pcm_update(chip, &chip->playback);  in snd_pmac_tx_intr()
756 	struct snd_pmac *chip = devid;  in snd_pmac_rx_intr()  local
757 	snd_pmac_pcm_update(chip, &chip->capture);  in snd_pmac_rx_intr()
765 	struct snd_pmac *chip = devid;  in snd_pmac_ctrl_intr()  local
766 	int ctrl = in_le32(&chip->awacs->control);  in snd_pmac_ctrl_intr()
770 		if (chip->update_automute)  in snd_pmac_ctrl_intr()
771 			chip->update_automute(chip, 1);  in snd_pmac_ctrl_intr()
774 		int err = (in_le32(&chip->awacs->codec_stat) & MASK_ERRCODE) >> 16;  in snd_pmac_ctrl_intr()
775 		if (err && chip->model <= PMAC_SCREAMER)  in snd_pmac_ctrl_intr()
776 			dev_dbg(chip->card->dev, "%s: error %x\n", __func__, err);  in snd_pmac_ctrl_intr()
779 	out_le32(&chip->awacs->control, ctrl);  in snd_pmac_ctrl_intr()
787 static void snd_pmac_sound_feature(struct snd_pmac *chip, int enable)  in snd_pmac_sound_feature()  argument
790 		ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable);  in snd_pmac_sound_feature()
797 static int snd_pmac_free(struct snd_pmac *chip)  in snd_pmac_free()  argument
800 	if (chip->initialized) {  in snd_pmac_free()
801 		snd_pmac_dbdma_reset(chip);  in snd_pmac_free()
803 		out_le32(&chip->awacs->control, in_le32(&chip->awacs->control) & 0xfff);  in snd_pmac_free()
806 	if (chip->node)  in snd_pmac_free()
807 		snd_pmac_sound_feature(chip, 0);  in snd_pmac_free()
810 	if (chip->mixer_free)  in snd_pmac_free()
811 		chip->mixer_free(chip);  in snd_pmac_free()
813 	snd_pmac_detach_beep(chip);  in snd_pmac_free()
816 	if (chip->irq >= 0)  in snd_pmac_free()
817 		free_irq(chip->irq, (void*)chip);  in snd_pmac_free()
818 	if (chip->tx_irq >= 0)  in snd_pmac_free()
819 		free_irq(chip->tx_irq, (void*)chip);  in snd_pmac_free()
820 	if (chip->rx_irq >= 0)  in snd_pmac_free()
821 		free_irq(chip->rx_irq, (void*)chip);  in snd_pmac_free()
822 	snd_pmac_dbdma_free(chip, &chip->playback.cmd);  in snd_pmac_free()
823 	snd_pmac_dbdma_free(chip, &chip->capture.cmd);  in snd_pmac_free()
824 	snd_pmac_dbdma_free(chip, &chip->extra_dma);  in snd_pmac_free()
825 	snd_pmac_dbdma_free(chip, &emergency_dbdma);  in snd_pmac_free()
826 	iounmap(chip->macio_base);  in snd_pmac_free()
827 	iounmap(chip->latch_base);  in snd_pmac_free()
828 	iounmap(chip->awacs);  in snd_pmac_free()
829 	iounmap(chip->playback.dma);  in snd_pmac_free()
830 	iounmap(chip->capture.dma);  in snd_pmac_free()
832 	if (chip->node) {  in snd_pmac_free()
835 			if (chip->requested & (1 << i))  in snd_pmac_free()
836 				release_mem_region(chip->rsrc[i].start,  in snd_pmac_free()
837 						   resource_size(&chip->rsrc[i]));  in snd_pmac_free()
841 	pci_dev_put(chip->pdev);  in snd_pmac_free()
842 	of_node_put(chip->node);  in snd_pmac_free()
843 	kfree(chip);  in snd_pmac_free()
853 	struct snd_pmac *chip = device->device_data;  in snd_pmac_dev_free()  local
854 	return snd_pmac_free(chip);  in snd_pmac_dev_free()
862 static void detect_byte_swap(struct snd_pmac *chip)  in detect_byte_swap()  argument
867 	for (mio = chip->node->parent; mio; mio = mio->parent) {  in detect_byte_swap()
870 				chip->can_byte_swap = 0;  in detect_byte_swap()
878 		chip->can_byte_swap = 0 ;  in detect_byte_swap()
881 		chip->can_duplex = 0;  in detect_byte_swap()
886  * detect a sound chip
888 static int snd_pmac_detect(struct snd_pmac *chip)  in snd_pmac_detect()  argument
899 	chip->subframe = 0;  in snd_pmac_detect()
900 	chip->revision = 0;  in snd_pmac_detect()
901 	chip->freqs_ok = 0xff; /* all ok */  in snd_pmac_detect()
902 	chip->model = PMAC_AWACS;  in snd_pmac_detect()
903 	chip->can_byte_swap = 1;  in snd_pmac_detect()
904 	chip->can_duplex = 1;  in snd_pmac_detect()
905 	chip->can_capture = 1;  in snd_pmac_detect()
906 	chip->num_freqs = ARRAY_SIZE(awacs_freqs);  in snd_pmac_detect()
907 	chip->freq_table = awacs_freqs;  in snd_pmac_detect()
908 	chip->pdev = NULL;  in snd_pmac_detect()
910 	chip->control_mask = MASK_IEPC | MASK_IEE | 0x11; /* default */  in snd_pmac_detect()
915 		chip->is_pbook_3400 = 1;  in snd_pmac_detect()
918 		chip->is_pbook_G3 = 1;  in snd_pmac_detect()
919 	chip->node = of_find_node_by_name(NULL, "awacs");  in snd_pmac_detect()
920 	sound = of_node_get(chip->node);  in snd_pmac_detect()
926 	if (!chip->node)  in snd_pmac_detect()
927 		chip->node = of_find_node_by_name(NULL, "davbus");  in snd_pmac_detect()
932 	if (! chip->node) {  in snd_pmac_detect()
933 		chip->node = of_find_node_by_name(NULL, "i2s-a");  in snd_pmac_detect()
934 		if (chip->node && chip->node->parent &&  in snd_pmac_detect()
935 		    chip->node->parent->parent) {  in snd_pmac_detect()
936 			if (of_device_is_compatible(chip->node->parent->parent,  in snd_pmac_detect()
938 				chip->is_k2 = 1;  in snd_pmac_detect()
941 	if (! chip->node)  in snd_pmac_detect()
946 			if (sound->parent == chip->node)  in snd_pmac_detect()
950 		of_node_put(chip->node);  in snd_pmac_detect()
951 		chip->node = NULL;  in snd_pmac_detect()
956 		chip->subframe = *prop;  in snd_pmac_detect()
961 		dev_info(chip->card->dev,  in snd_pmac_detect()
964 		of_node_put(chip->node);  in snd_pmac_detect()
965 		chip->node = NULL;  in snd_pmac_detect()
970 		chip->model = PMAC_SCREAMER;  in snd_pmac_detect()
971 		// chip->can_byte_swap = 0; /* FIXME: check this */  in snd_pmac_detect()
974 		chip->model = PMAC_BURGUNDY;  in snd_pmac_detect()
975 		chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */  in snd_pmac_detect()
978 		chip->model = PMAC_DACA;  in snd_pmac_detect()
979 		chip->can_capture = 0;  /* no capture */  in snd_pmac_detect()
980 		chip->can_duplex = 0;  in snd_pmac_detect()
981 		// chip->can_byte_swap = 0; /* FIXME: check this */  in snd_pmac_detect()
982 		chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */  in snd_pmac_detect()
985 		chip->model = PMAC_TUMBLER;  in snd_pmac_detect()
986 		chip->can_capture = of_machine_is_compatible("PowerMac4,2")  in snd_pmac_detect()
992 		chip->can_duplex = 0;  in snd_pmac_detect()
993 		// chip->can_byte_swap = 0; /* FIXME: check this */  in snd_pmac_detect()
994 		chip->num_freqs = ARRAY_SIZE(tumbler_freqs);  in snd_pmac_detect()
995 		chip->freq_table = tumbler_freqs;  in snd_pmac_detect()
996 		chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */  in snd_pmac_detect()
999 		chip->model = PMAC_SNAPPER;  in snd_pmac_detect()
1000 		// chip->can_byte_swap = 0; /* FIXME: check this */  in snd_pmac_detect()
1001 		chip->num_freqs = ARRAY_SIZE(tumbler_freqs);  in snd_pmac_detect()
1002 		chip->freq_table = tumbler_freqs;  in snd_pmac_detect()
1003 		chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */  in snd_pmac_detect()
1007 		chip->device_id = *prop;  in snd_pmac_detect()
1009 	chip->has_iic = (dn != NULL);  in snd_pmac_detect()
1015 	macio = macio_find(chip->node, macio_unknown);  in snd_pmac_detect()
1017 		dev_warn(chip->card->dev, "snd-powermac: can't locate macio !\n");  in snd_pmac_detect()
1024 				chip->pdev = pdev;  in snd_pmac_detect()
1029 	if (chip->pdev == NULL)  in snd_pmac_detect()
1030 		dev_warn(chip->card->dev,  in snd_pmac_detect()
1033 	detect_byte_swap(chip);  in snd_pmac_detect()
1042 		chip->freqs_ok = 0;  in snd_pmac_detect()
1048 			for (i = 0; i < chip->num_freqs; ++i) {  in snd_pmac_detect()
1049 				if (r == chip->freq_table[i]) {  in snd_pmac_detect()
1050 					chip->freqs_ok |= (1 << i);  in snd_pmac_detect()
1057 		chip->freqs_ok = 1;  in snd_pmac_detect()
1071 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);  in pmac_auto_mute_get()  local
1072 	ucontrol->value.integer.value[0] = chip->auto_mute;  in pmac_auto_mute_get()
1079 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);  in pmac_auto_mute_put()  local
1080 	if (ucontrol->value.integer.value[0] != chip->auto_mute) {  in pmac_auto_mute_put()
1081 		chip->auto_mute = !!ucontrol->value.integer.value[0];  in pmac_auto_mute_put()
1082 		if (chip->update_automute)  in pmac_auto_mute_put()
1083 			chip->update_automute(chip, 1);  in pmac_auto_mute_put()
1092 	struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);  in pmac_hp_detect_get()  local
1093 	if (chip->detect_headphone)  in pmac_hp_detect_get()
1094 		ucontrol->value.integer.value[0] = chip->detect_headphone(chip);  in pmac_hp_detect_get()
1115 int snd_pmac_add_automute(struct snd_pmac *chip)  in snd_pmac_add_automute()  argument
1118 	chip->auto_mute = 1;  in snd_pmac_add_automute()
1119 	err = snd_ctl_add(chip->card, snd_ctl_new1(&auto_mute_controls[0], chip));  in snd_pmac_add_automute()
1121 		dev_err(chip->card->dev,  in snd_pmac_add_automute()
1125 	chip->hp_detect_ctl = snd_ctl_new1(&auto_mute_controls[1], chip);  in snd_pmac_add_automute()
1126 	return snd_ctl_add(chip->card, chip->hp_detect_ctl);  in snd_pmac_add_automute()
1131  * create and detect a pmac chip record
1135 	struct snd_pmac *chip;  in snd_pmac_new()  local
1146 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);  in snd_pmac_new()
1147 	if (chip == NULL)  in snd_pmac_new()
1149 	chip->card = card;  in snd_pmac_new()
1151 	spin_lock_init(&chip->reg_lock);  in snd_pmac_new()
1152 	chip->irq = chip->tx_irq = chip->rx_irq = -1;  in snd_pmac_new()
1154 	chip->playback.stream = SNDRV_PCM_STREAM_PLAYBACK;  in snd_pmac_new()
1155 	chip->capture.stream = SNDRV_PCM_STREAM_CAPTURE;  in snd_pmac_new()
1157 	err = snd_pmac_detect(chip);  in snd_pmac_new()
1161 	if (snd_pmac_dbdma_alloc(chip, &chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 ||  in snd_pmac_new()
1162 	    snd_pmac_dbdma_alloc(chip, &chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 ||  in snd_pmac_new()
1163 	    snd_pmac_dbdma_alloc(chip, &chip->extra_dma, 2) < 0 ||  in snd_pmac_new()
1164 	    snd_pmac_dbdma_alloc(chip, &emergency_dbdma, 2) < 0) {  in snd_pmac_new()
1169 	np = chip->node;  in snd_pmac_new()
1170 	chip->requested = 0;  in snd_pmac_new()
1171 	if (chip->is_k2) {  in snd_pmac_new()
1176 						   &chip->rsrc[i])) {  in snd_pmac_new()
1177 				dev_err(chip->card->dev,  in snd_pmac_new()
1183 			if (request_mem_region(chip->rsrc[i].start,  in snd_pmac_new()
1184 					       resource_size(&chip->rsrc[i]),  in snd_pmac_new()
1186 				dev_err(chip->card->dev,  in snd_pmac_new()
1188 					i, rnames[i], &chip->rsrc[i]);  in snd_pmac_new()
1192 			chip->requested |= (1 << i);  in snd_pmac_new()
1194 		ctrl_addr = chip->rsrc[0].start;  in snd_pmac_new()
1195 		txdma_addr = chip->rsrc[1].start;  in snd_pmac_new()
1202 						   &chip->rsrc[i])) {  in snd_pmac_new()
1203 				dev_err(chip->card->dev,  in snd_pmac_new()
1209 			if (request_mem_region(chip->rsrc[i].start,  in snd_pmac_new()
1210 					       resource_size(&chip->rsrc[i]),  in snd_pmac_new()
1212 				dev_err(chip->card->dev,  in snd_pmac_new()
1214 					i, rnames[i], &chip->rsrc[i]);  in snd_pmac_new()
1218 			chip->requested |= (1 << i);  in snd_pmac_new()
1220 		ctrl_addr = chip->rsrc[0].start;  in snd_pmac_new()
1221 		txdma_addr = chip->rsrc[1].start;  in snd_pmac_new()
1222 		rxdma_addr = chip->rsrc[2].start;  in snd_pmac_new()
1225 	chip->awacs = ioremap(ctrl_addr, 0x1000);  in snd_pmac_new()
1226 	chip->playback.dma = ioremap(txdma_addr, 0x100);  in snd_pmac_new()
1227 	chip->capture.dma = ioremap(rxdma_addr, 0x100);  in snd_pmac_new()
1228 	if (chip->model <= PMAC_BURGUNDY) {  in snd_pmac_new()
1231 				"PMac", (void*)chip)) {  in snd_pmac_new()
1232 			dev_err(chip->card->dev,  in snd_pmac_new()
1237 		chip->irq = irq;  in snd_pmac_new()
1240 	if (request_irq(irq, snd_pmac_tx_intr, 0, "PMac Output", (void*)chip)){  in snd_pmac_new()
1241 		dev_err(chip->card->dev, "pmac: unable to grab IRQ %d\n", irq);  in snd_pmac_new()
1245 	chip->tx_irq = irq;  in snd_pmac_new()
1247 	if (request_irq(irq, snd_pmac_rx_intr, 0, "PMac Input", (void*)chip)) {  in snd_pmac_new()
1248 		dev_err(chip->card->dev, "pmac: unable to grab IRQ %d\n", irq);  in snd_pmac_new()
1252 	chip->rx_irq = irq;  in snd_pmac_new()
1254 	snd_pmac_sound_feature(chip, 1);  in snd_pmac_new()
1257 	if (chip->model <= PMAC_BURGUNDY)  in snd_pmac_new()
1258 		out_le32(&chip->awacs->control, chip->control_mask);  in snd_pmac_new()
1263 	if (chip->is_pbook_3400) {  in snd_pmac_new()
1271 		chip->latch_base = ioremap (0xf301a000, 0x1000);  in snd_pmac_new()
1272 		in_8(chip->latch_base + 0x190);  in snd_pmac_new()
1273 	} else if (chip->is_pbook_G3) {  in snd_pmac_new()
1275 		for (mio = chip->node->parent; mio; mio = mio->parent) {  in snd_pmac_new()
1279 					chip->macio_base =  in snd_pmac_new()
1292 		if (chip->macio_base)  in snd_pmac_new()
1293 			out_8(chip->macio_base + 0x37, 3);  in snd_pmac_new()
1297 	snd_pmac_dbdma_reset(chip);  in snd_pmac_new()
1299 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);  in snd_pmac_new()
1303 	*chip_return = chip;  in snd_pmac_new()
1307 	snd_pmac_free(chip);  in snd_pmac_new()
1322 void snd_pmac_suspend(struct snd_pmac *chip)  in snd_pmac_suspend()  argument
1326 	snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);  in snd_pmac_suspend()
1327 	if (chip->suspend)  in snd_pmac_suspend()
1328 		chip->suspend(chip);  in snd_pmac_suspend()
1329 	spin_lock_irqsave(&chip->reg_lock, flags);  in snd_pmac_suspend()
1330 	snd_pmac_beep_stop(chip);  in snd_pmac_suspend()
1331 	spin_unlock_irqrestore(&chip->reg_lock, flags);  in snd_pmac_suspend()
1332 	if (chip->irq >= 0)  in snd_pmac_suspend()
1333 		disable_irq(chip->irq);  in snd_pmac_suspend()
1334 	if (chip->tx_irq >= 0)  in snd_pmac_suspend()
1335 		disable_irq(chip->tx_irq);  in snd_pmac_suspend()
1336 	if (chip->rx_irq >= 0)  in snd_pmac_suspend()
1337 		disable_irq(chip->rx_irq);  in snd_pmac_suspend()
1338 	snd_pmac_sound_feature(chip, 0);  in snd_pmac_suspend()
1341 void snd_pmac_resume(struct snd_pmac *chip)  in snd_pmac_resume()  argument
1343 	snd_pmac_sound_feature(chip, 1);  in snd_pmac_resume()
1344 	if (chip->resume)  in snd_pmac_resume()
1345 		chip->resume(chip);  in snd_pmac_resume()
1347 	if (chip->macio_base && chip->is_pbook_G3)  in snd_pmac_resume()
1348 		out_8(chip->macio_base + 0x37, 3);  in snd_pmac_resume()
1349 	else if (chip->is_pbook_3400)  in snd_pmac_resume()
1350 		in_8(chip->latch_base + 0x190);  in snd_pmac_resume()
1352 	snd_pmac_pcm_set_format(chip);  in snd_pmac_resume()
1354 	if (chip->irq >= 0)  in snd_pmac_resume()
1355 		enable_irq(chip->irq);  in snd_pmac_resume()
1356 	if (chip->tx_irq >= 0)  in snd_pmac_resume()
1357 		enable_irq(chip->tx_irq);  in snd_pmac_resume()
1358 	if (chip->rx_irq >= 0)  in snd_pmac_resume()
1359 		enable_irq(chip->rx_irq);  in snd_pmac_resume()
1361 	snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);  in snd_pmac_resume()