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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/sound/pci/riptide/riptide.c
....@@ -1,22 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *   Driver for the Conexant Riptide Soundchip
34  *
45  *	Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
5
- *
6
- *   This program is free software; you can redistribute it and/or modify
7
- *   it under the terms of the GNU General Public License as published by
8
- *   the Free Software Foundation; either version 2 of the License, or
9
- *   (at your option) any later version.
10
- *
11
- *   This program is distributed in the hope that it will be useful,
12
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
- *   GNU General Public License for more details.
15
- *
16
- *   You should have received a copy of the GNU General Public License
17
- *   along with this program; if not, write to the Free Software
18
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19
- *
206  */
217 /*
228   History:
....@@ -375,9 +361,9 @@
375361 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
376362 
377363 struct lbuspath {
378
-	unsigned char *noconv;
379
-	unsigned char *stereo;
380
-	unsigned char *mono;
364
+	const unsigned char *noconv;
365
+	const unsigned char *stereo;
366
+	const unsigned char *mono;
381367 };
382368 
383369 struct cmdport {
....@@ -459,7 +445,6 @@
459445 	union firmware_version firmware;
460446 
461447 	spinlock_t lock;
462
-	struct tasklet_struct riptide_tq;
463448 	struct snd_info_entry *proc_entry;
464449 
465450 	unsigned long received_irqs;
....@@ -478,7 +463,7 @@
478463 
479464 struct pcmhw {			/* pcm descriptor */
480465 	struct lbuspath paths;
481
-	unsigned char *lbuspath;
466
+	const unsigned char *lbuspath;
482467 	unsigned char source;
483468 	unsigned char intdec[2];
484469 	unsigned char mixer;
....@@ -531,7 +516,7 @@
531516 /*
532517  */
533518 
534
-static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
519
+static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
535520 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
536521 								     LS_NONE2},
537522 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
....@@ -571,63 +556,63 @@
571556 								     LS_NONE2},
572557 };
573558 
574
-static unsigned char lbus_play_opl3[] = {
559
+static const unsigned char lbus_play_opl3[] = {
575560 	DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
576561 };
577
-static unsigned char lbus_play_modem[] = {
562
+static const unsigned char lbus_play_modem[] = {
578563 	DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
579564 };
580
-static unsigned char lbus_play_i2s[] = {
565
+static const unsigned char lbus_play_i2s[] = {
581566 	INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
582567 };
583
-static unsigned char lbus_play_out[] = {
568
+static const unsigned char lbus_play_out[] = {
584569 	PDAC2ACLNK, 0xff
585570 };
586
-static unsigned char lbus_play_outhp[] = {
571
+static const unsigned char lbus_play_outhp[] = {
587572 	HNDSPK2ACLNK, 0xff
588573 };
589
-static unsigned char lbus_play_noconv1[] = {
574
+static const unsigned char lbus_play_noconv1[] = {
590575 	DIGITAL_MIXER_IN0, 0xff
591576 };
592
-static unsigned char lbus_play_stereo1[] = {
577
+static const unsigned char lbus_play_stereo1[] = {
593578 	INTER0_IN, DIGITAL_MIXER_IN0, 0xff
594579 };
595
-static unsigned char lbus_play_mono1[] = {
580
+static const unsigned char lbus_play_mono1[] = {
596581 	INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
597582 };
598
-static unsigned char lbus_play_noconv2[] = {
583
+static const unsigned char lbus_play_noconv2[] = {
599584 	DIGITAL_MIXER_IN1, 0xff
600585 };
601
-static unsigned char lbus_play_stereo2[] = {
586
+static const unsigned char lbus_play_stereo2[] = {
602587 	INTER1_IN, DIGITAL_MIXER_IN1, 0xff
603588 };
604
-static unsigned char lbus_play_mono2[] = {
589
+static const unsigned char lbus_play_mono2[] = {
605590 	INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
606591 };
607
-static unsigned char lbus_play_noconv3[] = {
592
+static const unsigned char lbus_play_noconv3[] = {
608593 	DIGITAL_MIXER_IN2, 0xff
609594 };
610
-static unsigned char lbus_play_stereo3[] = {
595
+static const unsigned char lbus_play_stereo3[] = {
611596 	INTER2_IN, DIGITAL_MIXER_IN2, 0xff
612597 };
613
-static unsigned char lbus_play_mono3[] = {
598
+static const unsigned char lbus_play_mono3[] = {
614599 	INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
615600 };
616
-static unsigned char lbus_rec_noconv1[] = {
601
+static const unsigned char lbus_rec_noconv1[] = {
617602 	LBUS2ARM_FIFO5, 0xff
618603 };
619
-static unsigned char lbus_rec_stereo1[] = {
604
+static const unsigned char lbus_rec_stereo1[] = {
620605 	DECIM0_IN, LBUS2ARM_FIFO5, 0xff
621606 };
622
-static unsigned char lbus_rec_mono1[] = {
607
+static const unsigned char lbus_rec_mono1[] = {
623608 	DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
624609 };
625610 
626
-static unsigned char play_ids[] = { 4, 1, 2, };
627
-static unsigned char play_sources[] = {
611
+static const unsigned char play_ids[] = { 4, 1, 2, };
612
+static const unsigned char play_sources[] = {
628613 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
629614 };
630
-static struct lbuspath lbus_play_paths[] = {
615
+static const struct lbuspath lbus_play_paths[] = {
631616 	{
632617 	 .noconv = lbus_play_noconv1,
633618 	 .stereo = lbus_play_stereo1,
....@@ -751,7 +736,7 @@
751736 
752737 static void
753738 alloclbuspath(struct cmdif *cif, unsigned char source,
754
-	      unsigned char *path, unsigned char *mixer, unsigned char *s)
739
+	      const unsigned char *path, unsigned char *mixer, unsigned char *s)
755740 {
756741 	while (*path != 0xff) {
757742 		unsigned char sink, type;
....@@ -779,7 +764,7 @@
779764 			}
780765 		}
781766 		if (*path++ & SPLIT_PATH) {
782
-			unsigned char *npath = path;
767
+			const unsigned char *npath = path;
783768 
784769 			while (*npath != 0xff)
785770 				npath++;
....@@ -789,7 +774,7 @@
789774 }
790775 
791776 static void
792
-freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
777
+freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
793778 {
794779 	while (*path != 0xff) {
795780 		unsigned char sink;
....@@ -801,7 +786,7 @@
801786 			source = lbusin2out[sink][0];
802787 		}
803788 		if (*path++ & SPLIT_PATH) {
804
-			unsigned char *npath = path;
789
+			const unsigned char *npath = path;
805790 
806791 			while (*npath != 0xff)
807792 				npath++;
....@@ -1084,9 +1069,9 @@
10841069 	return 0;
10851070 }
10861071 
1087
-static void riptide_handleirq(unsigned long dev_id)
1072
+static irqreturn_t riptide_handleirq(int irq, void *dev_id)
10881073 {
1089
-	struct snd_riptide *chip = (void *)dev_id;
1074
+	struct snd_riptide *chip = dev_id;
10901075 	struct cmdif *cif = chip->cif;
10911076 	struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
10921077 	struct snd_pcm_runtime *runtime;
....@@ -1097,7 +1082,7 @@
10971082 	unsigned int flag;
10981083 
10991084 	if (!cif)
1100
-		return;
1085
+		return IRQ_HANDLED;
11011086 
11021087 	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
11031088 		substream[i] = chip->playback_substream[i];
....@@ -1148,6 +1133,8 @@
11481133 			}
11491134 		}
11501135 	}
1136
+
1137
+	return IRQ_HANDLED;
11511138 }
11521139 
11531140 #ifdef CONFIG_PM_SLEEP
....@@ -1158,7 +1145,6 @@
11581145 
11591146 	chip->in_suspend = 1;
11601147 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1161
-	snd_pcm_suspend_all(chip->pcm);
11621148 	snd_ac97_suspend(chip->ac97);
11631149 	return 0;
11641150 }
....@@ -1456,7 +1442,7 @@
14561442 	struct snd_pcm_runtime *runtime = substream->runtime;
14571443 	struct pcmhw *data = get_pcmhwdev(substream);
14581444 	struct cmdif *cif = chip->cif;
1459
-	unsigned char *lbuspath = NULL;
1445
+	const unsigned char *lbuspath = NULL;
14601446 	unsigned int rate, channels;
14611447 	int err = 0;
14621448 	snd_pcm_format_t format;
....@@ -1565,7 +1551,7 @@
15651551 	if (sgdlist->area)
15661552 		snd_dma_free_pages(sgdlist);
15671553 	if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1568
-				       snd_dma_pci_data(chip->pci),
1554
+				       &chip->pci->dev,
15691555 				       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
15701556 				       sgdlist)) < 0) {
15711557 		snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
....@@ -1573,8 +1559,7 @@
15731559 		return err;
15741560 	}
15751561 	data->sgdbuf = (struct sgd *)sgdlist->area;
1576
-	return snd_pcm_lib_malloc_pages(substream,
1577
-					params_buffer_bytes(hw_params));
1562
+	return 0;
15781563 }
15791564 
15801565 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
....@@ -1596,7 +1581,7 @@
15961581 			data->sgdlist.area = NULL;
15971582 		}
15981583 	}
1599
-	return snd_pcm_lib_free_pages(substream);
1584
+	return 0;
16001585 }
16011586 
16021587 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
....@@ -1672,22 +1657,18 @@
16721657 static const struct snd_pcm_ops snd_riptide_playback_ops = {
16731658 	.open = snd_riptide_playback_open,
16741659 	.close = snd_riptide_playback_close,
1675
-	.ioctl = snd_pcm_lib_ioctl,
16761660 	.hw_params = snd_riptide_hw_params,
16771661 	.hw_free = snd_riptide_hw_free,
16781662 	.prepare = snd_riptide_prepare,
1679
-	.page = snd_pcm_sgbuf_ops_page,
16801663 	.trigger = snd_riptide_trigger,
16811664 	.pointer = snd_riptide_pointer,
16821665 };
16831666 static const struct snd_pcm_ops snd_riptide_capture_ops = {
16841667 	.open = snd_riptide_capture_open,
16851668 	.close = snd_riptide_capture_close,
1686
-	.ioctl = snd_pcm_lib_ioctl,
16871669 	.hw_params = snd_riptide_hw_params,
16881670 	.hw_free = snd_riptide_hw_free,
16891671 	.prepare = snd_riptide_prepare,
1690
-	.page = snd_pcm_sgbuf_ops_page,
16911672 	.trigger = snd_riptide_trigger,
16921673 	.pointer = snd_riptide_pointer,
16931674 };
....@@ -1709,9 +1690,8 @@
17091690 	pcm->info_flags = 0;
17101691 	strcpy(pcm->name, "RIPTIDE");
17111692 	chip->pcm = pcm;
1712
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1713
-					      snd_dma_pci_data(chip->pci),
1714
-					      64 * 1024, 128 * 1024);
1693
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1694
+				       &chip->pci->dev, 64 * 1024, 128 * 1024);
17151695 	return 0;
17161696 }
17171697 
....@@ -1720,13 +1700,14 @@
17201700 {
17211701 	struct snd_riptide *chip = dev_id;
17221702 	struct cmdif *cif = chip->cif;
1703
+	irqreturn_t ret = IRQ_HANDLED;
17231704 
17241705 	if (cif) {
17251706 		chip->received_irqs++;
17261707 		if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
17271708 		    IS_EOCIRQ(cif->hwport)) {
17281709 			chip->handled_irqs++;
1729
-			tasklet_schedule(&chip->riptide_tq);
1710
+			ret = IRQ_WAKE_THREAD;
17301711 		}
17311712 		if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
17321713 			chip->handled_irqs++;
....@@ -1735,7 +1716,7 @@
17351716 		}
17361717 		SET_AIACK(cif->hwport);
17371718 	}
1738
-	return IRQ_HANDLED;
1719
+	return ret;
17391720 }
17401721 
17411722 static void
....@@ -1845,7 +1826,7 @@
18451826 	struct snd_riptide *chip;
18461827 	struct riptideport *hwport;
18471828 	int err;
1848
-	static struct snd_device_ops ops = {
1829
+	static const struct snd_device_ops ops = {
18491830 		.dev_free = snd_riptide_dev_free,
18501831 	};
18511832 
....@@ -1864,7 +1845,6 @@
18641845 	chip->received_irqs = 0;
18651846 	chip->handled_irqs = 0;
18661847 	chip->cif = NULL;
1867
-	tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
18681848 
18691849 	if ((chip->res_port =
18701850 	     request_region(chip->port, 64, "RIPTIDE")) == NULL) {
....@@ -1877,14 +1857,16 @@
18771857 	hwport = (struct riptideport *)chip->port;
18781858 	UNSET_AIE(hwport);
18791859 
1880
-	if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1881
-			KBUILD_MODNAME, chip)) {
1860
+	if (request_threaded_irq(pci->irq, snd_riptide_interrupt,
1861
+				 riptide_handleirq, IRQF_SHARED,
1862
+				 KBUILD_MODNAME, chip)) {
18821863 		snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
18831864 			   pci->irq);
18841865 		snd_riptide_free(chip);
18851866 		return -EBUSY;
18861867 	}
18871868 	chip->irq = pci->irq;
1869
+	card->sync_irq = chip->irq;
18881870 	chip->device_id = pci->device;
18891871 	pci_set_master(pci);
18901872 	if ((err = snd_riptide_initialize(chip)) < 0) {
....@@ -1974,10 +1956,8 @@
19741956 
19751957 static void snd_riptide_proc_init(struct snd_riptide *chip)
19761958 {
1977
-	struct snd_info_entry *entry;
1978
-
1979
-	if (!snd_card_proc_new(chip->card, "riptide", &entry))
1980
-		snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
1959
+	snd_card_ro_proc_new(chip->card, "riptide", chip,
1960
+			     snd_riptide_proc_read);
19811961 }
19821962 
19831963 static int snd_riptide_mixer(struct snd_riptide *chip)
....@@ -1985,7 +1965,7 @@
19851965 	struct snd_ac97_bus *pbus;
19861966 	struct snd_ac97_template ac97;
19871967 	int err = 0;
1988
-	static struct snd_ac97_bus_ops ops = {
1968
+	static const struct snd_ac97_bus_ops ops = {
19891969 		.write = snd_riptide_codec_write,
19901970 		.read = snd_riptide_codec_read,
19911971 	};