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hc
2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f 
 kernel/sound/ppc/pmac.c
....@@ -1,22 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * PMac DBDMA lowlevel functions
34  *
45  * Copyright (c) by Takashi Iwai <tiwai@suse.de>
56  * code based on dmasound.c.
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
207  */
218 
229 
....@@ -37,11 +24,11 @@
3724 
3825 
3926 /* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */
40
-static int awacs_freqs[8] = {
27
+static const int awacs_freqs[8] = {
4128 	44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350
4229 };
4330 /* fixed frequency table for tumbler */
44
-static int tumbler_freqs[1] = {
31
+static const int tumbler_freqs[1] = {
4532 	44100
4633 };
4734 
....@@ -118,24 +105,6 @@
118105 {
119106 	return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
120107 		SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
121
-}
122
-
123
-/*
124
- * allocate buffers
125
- */
126
-static int snd_pmac_pcm_hw_params(struct snd_pcm_substream *subs,
127
-				  struct snd_pcm_hw_params *hw_params)
128
-{
129
-	return snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw_params));
130
-}
131
-
132
-/*
133
- * release buffers
134
- */
135
-static int snd_pmac_pcm_hw_free(struct snd_pcm_substream *subs)
136
-{
137
-	snd_pcm_lib_free_pages(subs);
138
-	return 0;
139108 }
140109 
141110 /*
....@@ -257,7 +226,7 @@
257226 		offset += rec->period_size;
258227 	}
259228 	/* make loop */
260
-	cp->command = cpu_to_le16(DBDMA_NOP + BR_ALWAYS);
229
+	cp->command = cpu_to_le16(DBDMA_NOP | BR_ALWAYS);
261230 	cp->cmd_dep = cpu_to_le32(rec->cmd.addr);
262231 
263232 	snd_pmac_dma_stop(rec);
....@@ -684,9 +653,6 @@
684653 static const struct snd_pcm_ops snd_pmac_playback_ops = {
685654 	.open =		snd_pmac_playback_open,
686655 	.close =	snd_pmac_playback_close,
687
-	.ioctl =	snd_pcm_lib_ioctl,
688
-	.hw_params =	snd_pmac_pcm_hw_params,
689
-	.hw_free =	snd_pmac_pcm_hw_free,
690656 	.prepare =	snd_pmac_playback_prepare,
691657 	.trigger =	snd_pmac_playback_trigger,
692658 	.pointer =	snd_pmac_playback_pointer,
....@@ -695,9 +661,6 @@
695661 static const struct snd_pcm_ops snd_pmac_capture_ops = {
696662 	.open =		snd_pmac_capture_open,
697663 	.close =	snd_pmac_capture_close,
698
-	.ioctl =	snd_pcm_lib_ioctl,
699
-	.hw_params =	snd_pmac_pcm_hw_params,
700
-	.hw_free =	snd_pmac_pcm_hw_free,
701664 	.prepare =	snd_pmac_capture_prepare,
702665 	.trigger =	snd_pmac_capture_trigger,
703666 	.pointer =	snd_pmac_capture_pointer,
....@@ -734,9 +697,9 @@
734697 	chip->capture.cur_freqs = chip->freqs_ok;
735698 
736699 	/* preallocate 64k buffer */
737
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
738
-					      &chip->pdev->dev,
739
-					      64 * 1024, 64 * 1024);
700
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
701
+				       &chip->pdev->dev,
702
+				       64 * 1024, 64 * 1024);
740703 
741704 	return 0;
742705 }
....@@ -763,7 +726,7 @@
763726 	chip->extra_dma.cmds->xfer_status = cpu_to_le16(0);
764727 	chip->extra_dma.cmds->cmd_dep = cpu_to_le32(chip->extra_dma.addr);
765728 	chip->extra_dma.cmds->phy_addr = cpu_to_le32(addr);
766
-	chip->extra_dma.cmds->command = cpu_to_le16(OUTPUT_MORE + BR_ALWAYS);
729
+	chip->extra_dma.cmds->command = cpu_to_le16(OUTPUT_MORE | BR_ALWAYS);
767730 	out_le32(&chip->awacs->control,
768731 		 (in_le32(&chip->awacs->control) & ~0x1f00)
769732 		 | (speed << 8));
....@@ -908,7 +871,7 @@
908871 
909872 	/* if seems that Keylargo can't byte-swap  */
910873 	for (mio = chip->node->parent; mio; mio = mio->parent) {
911
-		if (strcmp(mio->name, "mac-io") == 0) {
874
+		if (of_node_name_eq(mio, "mac-io")) {
912875 			if (of_device_is_compatible(mio, "Keylargo"))
913876 				chip->can_byte_swap = 0;
914877 			break;
....@@ -1141,7 +1104,7 @@
11411104 	return 0;
11421105 }
11431106 
1144
-static struct snd_kcontrol_new auto_mute_controls[] = {
1107
+static const struct snd_kcontrol_new auto_mute_controls[] = {
11451108 	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
11461109 	  .name = "Auto Mute Switch",
11471110 	  .info = snd_pmac_boolean_mono_info,
....@@ -1180,7 +1143,7 @@
11801143 	int i, err;
11811144 	unsigned int irq;
11821145 	unsigned long ctrl_addr, txdma_addr, rxdma_addr;
1183
-	static struct snd_device_ops ops = {
1146
+	static const struct snd_device_ops ops = {
11841147 		.dev_free =	snd_pmac_dev_free,
11851148 	};
11861149 
....@@ -1211,7 +1174,7 @@
12111174 	np = chip->node;
12121175 	chip->requested = 0;
12131176 	if (chip->is_k2) {
1214
-		static char *rnames[] = {
1177
+		static const char * const rnames[] = {
12151178 			"Sound Control", "Sound DMA" };
12161179 		for (i = 0; i < 2; i ++) {
12171180 			if (of_address_to_resource(np->parent, i,
....@@ -1236,7 +1199,7 @@
12361199 		txdma_addr = chip->rsrc[1].start;
12371200 		rxdma_addr = txdma_addr + 0x100;
12381201 	} else {
1239
-		static char *rnames[] = {
1202
+		static const char * const rnames[] = {
12401203 			"Sound Control", "Sound Tx DMA", "Sound Rx DMA" };
12411204 		for (i = 0; i < 3; i ++) {
12421205 			if (of_address_to_resource(np, i,
....@@ -1313,7 +1276,7 @@
13131276 	} else if (chip->is_pbook_G3) {
13141277 		struct device_node* mio;
13151278 		for (mio = chip->node->parent; mio; mio = mio->parent) {
1316
-			if (strcmp(mio->name, "mac-io") == 0) {
1279
+			if (of_node_name_eq(mio, "mac-io")) {
13171280 				struct resource r;
13181281 				if (of_address_to_resource(mio, 0, &r) == 0)
13191282 					chip->macio_base =
....@@ -1365,7 +1328,6 @@
13651328 	snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
13661329 	if (chip->suspend)
13671330 		chip->suspend(chip);
1368
-	snd_pcm_suspend_all(chip->pcm);
13691331 	spin_lock_irqsave(&chip->reg_lock, flags);
13701332 	snd_pmac_beep_stop(chip);
13711333 	spin_unlock_irqrestore(&chip->reg_lock, flags);