From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver

---
 kernel/drivers/media/pci/cobalt/cobalt-alsa-pcm.c |   73 +++---------------------------------
 1 files changed, 6 insertions(+), 67 deletions(-)

diff --git a/kernel/drivers/media/pci/cobalt/cobalt-alsa-pcm.c b/kernel/drivers/media/pci/cobalt/cobalt-alsa-pcm.c
index f6a7df1..9e7504e 100644
--- a/kernel/drivers/media/pci/cobalt/cobalt-alsa-pcm.c
+++ b/kernel/drivers/media/pci/cobalt/cobalt-alsa-pcm.c
@@ -9,7 +9,6 @@
 
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/vmalloc.h>
 #include <linux/delay.h>
 
 #include <media/v4l2-device.h>
@@ -238,54 +237,6 @@
 	return 0;
 }
 
-static int snd_cobalt_pcm_ioctl(struct snd_pcm_substream *substream,
-		     unsigned int cmd, void *arg)
-{
-	return snd_pcm_lib_ioctl(substream, cmd, arg);
-}
-
-
-static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs,
-					size_t size)
-{
-	struct snd_pcm_runtime *runtime = subs->runtime;
-
-	dprintk("Allocating vbuffer\n");
-	if (runtime->dma_area) {
-		if (runtime->dma_bytes > size)
-			return 0;
-
-		vfree(runtime->dma_area);
-	}
-	runtime->dma_area = vmalloc(size);
-	if (!runtime->dma_area)
-		return -ENOMEM;
-
-	runtime->dma_bytes = size;
-
-	return 0;
-}
-
-static int snd_cobalt_pcm_hw_params(struct snd_pcm_substream *substream,
-			 struct snd_pcm_hw_params *params)
-{
-	dprintk("%s called\n", __func__);
-
-	return snd_pcm_alloc_vmalloc_buffer(substream,
-					   params_buffer_bytes(params));
-}
-
-static int snd_cobalt_pcm_hw_free(struct snd_pcm_substream *substream)
-{
-	if (substream->runtime->dma_area) {
-		dprintk("freeing pcm capture region\n");
-		vfree(substream->runtime->dma_area);
-		substream->runtime->dma_area = NULL;
-	}
-
-	return 0;
-}
-
 static int snd_cobalt_pcm_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_cobalt_card *cobsc = snd_pcm_substream_chip(substream);
@@ -490,36 +441,20 @@
 	       substream->runtime->buffer_size;
 }
 
-static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs,
-					     unsigned long offset)
-{
-	void *pageptr = subs->runtime->dma_area + offset;
-
-	return vmalloc_to_page(pageptr);
-}
-
 static const struct snd_pcm_ops snd_cobalt_pcm_capture_ops = {
 	.open		= snd_cobalt_pcm_capture_open,
 	.close		= snd_cobalt_pcm_capture_close,
-	.ioctl		= snd_cobalt_pcm_ioctl,
-	.hw_params	= snd_cobalt_pcm_hw_params,
-	.hw_free	= snd_cobalt_pcm_hw_free,
 	.prepare	= snd_cobalt_pcm_prepare,
 	.trigger	= snd_cobalt_pcm_trigger,
 	.pointer	= snd_cobalt_pcm_pointer,
-	.page		= snd_pcm_get_vmalloc_page,
 };
 
 static const struct snd_pcm_ops snd_cobalt_pcm_playback_ops = {
 	.open		= snd_cobalt_pcm_playback_open,
 	.close		= snd_cobalt_pcm_playback_close,
-	.ioctl		= snd_cobalt_pcm_ioctl,
-	.hw_params	= snd_cobalt_pcm_hw_params,
-	.hw_free	= snd_cobalt_pcm_hw_free,
 	.prepare	= snd_cobalt_pcm_pb_prepare,
 	.trigger	= snd_cobalt_pcm_pb_trigger,
 	.pointer	= snd_cobalt_pcm_pb_pointer,
-	.page		= snd_pcm_get_vmalloc_page,
 };
 
 int snd_cobalt_pcm_create(struct snd_cobalt_card *cobsc)
@@ -555,9 +490,11 @@
 
 		snd_pcm_set_ops(sp, SNDRV_PCM_STREAM_CAPTURE,
 				&snd_cobalt_pcm_capture_ops);
+		snd_pcm_set_managed_buffer_all(sp, SNDRV_DMA_TYPE_VMALLOC,
+					       NULL, 0, 0);
 		sp->info_flags = 0;
 		sp->private_data = cobsc;
-		strlcpy(sp->name, "cobalt", sizeof(sp->name));
+		strscpy(sp->name, "cobalt", sizeof(sp->name));
 	} else {
 		cobalt_s_bit_sysctrl(cobalt,
 			COBALT_SYS_CTRL_AUDIO_OPP_RESETN_BIT, 0);
@@ -579,9 +516,11 @@
 
 		snd_pcm_set_ops(sp, SNDRV_PCM_STREAM_PLAYBACK,
 				&snd_cobalt_pcm_playback_ops);
+		snd_pcm_set_managed_buffer_all(sp, SNDRV_DMA_TYPE_VMALLOC,
+					       NULL, 0, 0);
 		sp->info_flags = 0;
 		sp->private_data = cobsc;
-		strlcpy(sp->name, "cobalt", sizeof(sp->name));
+		strscpy(sp->name, "cobalt", sizeof(sp->name));
 	}
 
 	return 0;

--
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