ALSA: sparc: Use managed buffer allocation

Clean up the drivers with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous and dropped.

Link: https://lore.kernel.org/r/20191209094943.14984-63-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/sparc/amd7930.c

@@ -723,23 +723,10 @@ static int snd_amd7930_capture_close(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static int snd_amd7930_hw_params(struct snd_pcm_substream *substream,
-				    struct snd_pcm_hw_params *hw_params)
-{
-	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
-}
-
-static int snd_amd7930_hw_free(struct snd_pcm_substream *substream)
-{
-	return snd_pcm_lib_free_pages(substream);
-}
-
 static const struct snd_pcm_ops snd_amd7930_playback_ops = {
 	.open		=	snd_amd7930_playback_open,
 	.close		=	snd_amd7930_playback_close,
 	.ioctl		=	snd_pcm_lib_ioctl,
-	.hw_params	=	snd_amd7930_hw_params,
-	.hw_free	=	snd_amd7930_hw_free,
 	.prepare	=	snd_amd7930_playback_prepare,
 	.trigger	=	snd_amd7930_playback_trigger,
 	.pointer	=	snd_amd7930_playback_pointer,
@@ -749,8 +736,6 @@ static const struct snd_pcm_ops snd_amd7930_capture_ops = {
 	.open		=	snd_amd7930_capture_open,
 	.close		=	snd_amd7930_capture_close,
 	.ioctl		=	snd_pcm_lib_ioctl,
-	.hw_params	=	snd_amd7930_hw_params,
-	.hw_free	=	snd_amd7930_hw_free,
 	.prepare	=	snd_amd7930_capture_prepare,
 	.trigger	=	snd_amd7930_capture_trigger,
 	.pointer	=	snd_amd7930_capture_pointer,
@@ -776,9 +761,8 @@ static int snd_amd7930_pcm(struct snd_amd7930 *amd)
 	strcpy(pcm->name, amd->card->shortname);
 	amd->pcm = pcm;
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
-					      NULL,
-					      64*1024, 64*1024);
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
+				       NULL, 64*1024, 64*1024);
 
 	return 0;
 }

sound/sparc/cs4231.c

@@ -889,12 +889,7 @@ static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 	unsigned char new_pdfr;
-	int err;
 
-	err = snd_pcm_lib_malloc_pages(substream,
-					params_buffer_bytes(hw_params));
-	if (err < 0)
-		return err;
 	new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params),
 					 params_channels(hw_params)) |
 		snd_cs4231_get_rate(params_rate(hw_params));
@@ -933,12 +928,7 @@ static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 	unsigned char new_cdfr;
-	int err;
 
-	err = snd_pcm_lib_malloc_pages(substream,
-					params_buffer_bytes(hw_params));
-	if (err < 0)
-		return err;
 	new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params),
 					 params_channels(hw_params)) |
 		snd_cs4231_get_rate(params_rate(hw_params));
@@ -1205,7 +1195,6 @@ static const struct snd_pcm_ops snd_cs4231_playback_ops = {
 	.close		=	snd_cs4231_playback_close,
 	.ioctl		=	snd_pcm_lib_ioctl,
 	.hw_params	=	snd_cs4231_playback_hw_params,
-	.hw_free	=	snd_pcm_lib_free_pages,
 	.prepare	=	snd_cs4231_playback_prepare,
 	.trigger	=	snd_cs4231_trigger,
 	.pointer	=	snd_cs4231_playback_pointer,
@@ -1216,7 +1205,6 @@ static const struct snd_pcm_ops snd_cs4231_capture_ops = {
 	.close		=	snd_cs4231_capture_close,
 	.ioctl		=	snd_pcm_lib_ioctl,
 	.hw_params	=	snd_cs4231_capture_hw_params,
-	.hw_free	=	snd_pcm_lib_free_pages,
 	.prepare	=	snd_cs4231_capture_prepare,
 	.trigger	=	snd_cs4231_trigger,
 	.pointer	=	snd_cs4231_capture_pointer,
@@ -1242,9 +1230,8 @@ static int snd_cs4231_pcm(struct snd_card *card)
 	pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
 	strcpy(pcm->name, "CS4231");
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-					      &chip->op->dev,
-					      64 * 1024, 128 * 1024);
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
+				       &chip->op->dev, 64 * 1024, 128 * 1024);
 
 	chip->pcm = pcm;
 

sound/sparc/dbri.c

@@ -2099,12 +2099,6 @@ static int snd_dbri_hw_params(struct snd_pcm_substream *substream,
 	if (ret != 0)
 		return ret;
 
-	if ((ret = snd_pcm_lib_malloc_pages(substream,
-				params_buffer_bytes(hw_params))) < 0) {
-		printk(KERN_ERR "malloc_pages failed with %d\n", ret);
-		return ret;
-	}
-
 	/* hw_params can get called multiple times. Only map the DMA once.
 	 */
 	if (info->dvma_buffer == 0) {
@@ -2151,7 +2145,7 @@ static int snd_dbri_hw_free(struct snd_pcm_substream *substream)
 		info->pipe = -1;
 	}
 
-	return snd_pcm_lib_free_pages(substream);
+	return 0;
 }
 
 static int snd_dbri_prepare(struct snd_pcm_substream *substream)
@@ -2248,9 +2242,8 @@ static int snd_dbri_pcm(struct snd_card *card)
 	pcm->info_flags = 0;
 	strcpy(pcm->name, card->shortname);
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
-					      NULL,
-					      64 * 1024, 64 * 1024);
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
+				       NULL, 64 * 1024, 64 * 1024);
 	return 0;
 }