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2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad 
 kernel/sound/pci/rme9652/rme9652.c
....@@ -1,23 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *   ALSA driver for RME Digi9652 audio interfaces 
34  *
45  *	Copyright (c) 1999 IEM - Winfried Ritsch
56  *      Copyright (c) 1999-2001  Paul Davis
6
- *
7
- *   This program is free software; you can redistribute it and/or modify
8
- *   it under the terms of the GNU General Public License as published by
9
- *   the Free Software Foundation; either version 2 of the License, or
10
- *   (at your option) any later version.
11
- *
12
- *   This program is distributed in the hope that it will be useful,
13
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
14
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
- *   GNU General Public License for more details.
16
- *
17
- *   You should have received a copy of the GNU General Public License
18
- *   along with this program; if not, write to the Free Software
19
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
20
- *
217  */
228 
239 #include <linux/delay.h>
....@@ -243,7 +229,7 @@
243229 	int last_spdif_sample_rate;	/* so that we can catch externally ... */
244230 	int last_adat_sample_rate;	/* ... induced rate changes            */
245231 
246
-        char *channel_map;
232
+	const signed char *channel_map;
247233 
248234 	struct snd_card *card;
249235 	struct snd_pcm *pcm;
....@@ -260,12 +246,12 @@
260246    where the data for that channel can be read/written from/to.
261247 */
262248 
263
-static char channel_map_9652_ss[26] = {
249
+static const signed char channel_map_9652_ss[26] = {
264250 	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
265251 	18, 19, 20, 21, 22, 23, 24, 25
266252 };
267253 
268
-static char channel_map_9636_ss[26] = {
254
+static const signed char channel_map_9636_ss[26] = {
269255 	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 
270256 	/* channels 16 and 17 are S/PDIF */
271257 	24, 25,
....@@ -273,7 +259,7 @@
273259 	-1, -1, -1, -1, -1, -1, -1, -1
274260 };
275261 
276
-static char channel_map_9652_ds[26] = {
262
+static const signed char channel_map_9652_ds[26] = {
277263 	/* ADAT channels are remapped */
278264 	1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
279265 	/* channels 12 and 13 are S/PDIF */
....@@ -282,7 +268,7 @@
282268 	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
283269 };
284270 
285
-static char channel_map_9636_ds[26] = {
271
+static const signed char channel_map_9636_ds[26] = {
286272 	/* ADAT channels are remapped */
287273 	1, 3, 5, 7, 9, 11, 13, 15,
288274 	/* channels 8 and 9 are S/PDIF */
....@@ -293,12 +279,7 @@
293279 
294280 static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
295281 {
296
-	dmab->dev.type = SNDRV_DMA_TYPE_DEV;
297
-	dmab->dev.dev = snd_dma_pci_data(pci);
298
-	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
299
-				size, dmab) < 0)
300
-		return -ENOMEM;
301
-	return 0;
282
+	return snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev, size, dmab);
302283 }
303284 
304285 static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
....@@ -1473,7 +1454,7 @@
14731454 
14741455 #endif				/* ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE */
14751456 
1476
-static struct snd_kcontrol_new snd_rme9652_controls[] = {
1457
+static const struct snd_kcontrol_new snd_rme9652_controls[] = {
14771458 {
14781459 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
14791460 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
....@@ -1528,10 +1509,10 @@
15281509 RME9652_PASSTHRU("Passthru", 0)
15291510 };
15301511 
1531
-static struct snd_kcontrol_new snd_rme9652_adat3_check =
1512
+static const struct snd_kcontrol_new snd_rme9652_adat3_check =
15321513 RME9652_ADAT_SYNC("ADAT3 Sync Check", 0, 2);
15331514 
1534
-static struct snd_kcontrol_new snd_rme9652_adat1_input =
1515
+static const struct snd_kcontrol_new snd_rme9652_adat1_input =
15351516 RME9652_ADAT1_IN("ADAT1 Input Source", 0);
15361517 
15371518 static int snd_rme9652_create_controls(struct snd_card *card, struct snd_rme9652 *rme9652)
....@@ -1737,10 +1718,8 @@
17371718 
17381719 static void snd_rme9652_proc_init(struct snd_rme9652 *rme9652)
17391720 {
1740
-	struct snd_info_entry *entry;
1741
-
1742
-	if (! snd_card_proc_new(rme9652->card, "rme9652", &entry))
1743
-		snd_info_set_text_ops(entry, rme9652, snd_rme9652_proc_read);
1721
+	snd_card_ro_proc_new(rme9652->card, "rme9652", rme9652,
1722
+			     snd_rme9652_proc_read);
17441723 }
17451724 
17461725 static void snd_rme9652_free_buffers(struct snd_rme9652 *rme9652)
....@@ -1862,7 +1841,7 @@
18621841 	return rme9652_hw_pointer(rme9652);
18631842 }
18641843 
1865
-static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652,
1844
+static signed char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652,
18661845 					     int stream,
18671846 					     int channel)
18681847 
....@@ -1890,7 +1869,7 @@
18901869 				     void __user *src, unsigned long count)
18911870 {
18921871 	struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1893
-	char *channel_buf;
1872
+	signed char *channel_buf;
18941873 
18951874 	if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES))
18961875 		return -EINVAL;
....@@ -1910,7 +1889,7 @@
19101889 					    void *src, unsigned long count)
19111890 {
19121891 	struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1913
-	char *channel_buf;
1892
+	signed char *channel_buf;
19141893 
19151894 	channel_buf = rme9652_channel_buffer_location(rme9652,
19161895 						      substream->pstr->stream,
....@@ -1926,7 +1905,7 @@
19261905 				    void __user *dst, unsigned long count)
19271906 {
19281907 	struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1929
-	char *channel_buf;
1908
+	signed char *channel_buf;
19301909 
19311910 	if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES))
19321911 		return -EINVAL;
....@@ -1946,7 +1925,7 @@
19461925 					   void *dst, unsigned long count)
19471926 {
19481927 	struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1949
-	char *channel_buf;
1928
+	signed char *channel_buf;
19501929 
19511930 	channel_buf = rme9652_channel_buffer_location(rme9652,
19521931 						      substream->pstr->stream,
....@@ -1962,7 +1941,7 @@
19621941 				  unsigned long count)
19631942 {
19641943 	struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
1965
-	char *channel_buf;
1944
+	signed char *channel_buf;
19661945 
19671946 	channel_buf = rme9652_channel_buffer_location (rme9652,
19681947 						       substream->pstr->stream,
....@@ -2175,13 +2154,12 @@
21752154 {
21762155 	struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
21772156 	unsigned long flags;
2178
-	int result = 0;
21792157 
21802158 	spin_lock_irqsave(&rme9652->lock, flags);
21812159 	if (!rme9652->running)
21822160 		rme9652_reset_hw_pointer(rme9652);
21832161 	spin_unlock_irqrestore(&rme9652->lock, flags);
2184
-	return result;
2162
+	return 0;
21852163 }
21862164 
21872165 static const struct snd_pcm_hardware snd_rme9652_playback_subinfo =
....@@ -2489,7 +2467,7 @@
24892467 	if ((err = pci_request_regions(pci, "rme9652")) < 0)
24902468 		return err;
24912469 	rme9652->port = pci_resource_start(pci, 0);
2492
-	rme9652->iobase = ioremap_nocache(rme9652->port, RME9652_IO_EXTENT);
2470
+	rme9652->iobase = ioremap(rme9652->port, RME9652_IO_EXTENT);
24932471 	if (rme9652->iobase == NULL) {
24942472 		dev_err(card->dev, "unable to remap region 0x%lx-0x%lx\n",
24952473 			rme9652->port, rme9652->port + RME9652_IO_EXTENT - 1);
....@@ -2502,6 +2480,7 @@
25022480 		return -EBUSY;
25032481 	}
25042482 	rme9652->irq = pci->irq;
2483
+	card->sync_irq = rme9652->irq;
25052484 	rme9652->precise_ptr = precise_ptr;
25062485 
25072486 	/* Determine the h/w rev level of the card. This seems like