stoney: Upgrade to 6.6.x

build.sh

@@ -7,7 +7,7 @@ source_dir=$PWD/source
 build_dir=$PWD/build
 patches_dir=$PWD/patches
 
-kernel_version="6.4.8"
+kernel_version="6.6.16"
 tarball_url="https://cdn.kernel.org/pub/linux/kernel/v${kernel_version:0:1}.x/linux-${kernel_version}.tar.xz"
 tarball_name="$(echo $tarball_url | cut -f 8 -d '/')"
 
@@ -57,7 +57,9 @@ function build_kernel {
     curl -L $tarball_url -o ${source_dir}/${variant}/${tarball_name}
     tar xf ${source_dir}/${variant}/${tarball_name} -C ${source_dir}/${variant}/
     cd $kernel_source_dir
-    patch -p1 < ${patches_dir}/${variant}/* &> /dev/null || true
+    for f in ${patches_dir}/${variant}/*; do
+        patch -p1 < $f &> /dev/null || true;
+    done
 
     case $arch in
         arm64) cross="aarch64-linux-gnu-";;

patches/stoney/audio.patch

@@ -0,0 +1,110 @@
+From 505e384212e123959ece829ca9b20bf6822a0f56 Mon Sep 17 00:00:00 2001
+From: Lux Aliaga <[email protected]>
+Date: Wed, 4 Oct 2023 01:11:07 -0300
+Subject: [PATCH] Revert "ASoC: dwc: add DMA handshake control"
+
+This reverts commit a42e988b6265dcd489feb1adab8551b40c988f43.
+---
+ sound/soc/dwc/dwc-i2s.c | 50 +++--------------------------------------
+ sound/soc/dwc/local.h   |  6 -----
+ 2 files changed, 3 insertions(+), 53 deletions(-)
+
+diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c
+index 9ea4be56d3b7..46e4d9e8fafa 100644
+--- a/sound/soc/dwc/dwc-i2s.c
++++ b/sound/soc/dwc/dwc-i2s.c
+@@ -151,60 +151,19 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
+ 		return IRQ_NONE;
+ }
+
+-static void i2s_enable_dma(struct dw_i2s_dev *dev, u32 stream)
+-{
+-	u32 dma_reg = i2s_read_reg(dev->i2s_base, I2S_DMACR);
+-
+-	/* Enable DMA handshake for stream */
+-	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+-		dma_reg |= I2S_DMAEN_TXBLOCK;
+-	else
+-		dma_reg |= I2S_DMAEN_RXBLOCK;
+-
+-	i2s_write_reg(dev->i2s_base, I2S_DMACR, dma_reg);
+-}
+-
+-static void i2s_disable_dma(struct dw_i2s_dev *dev, u32 stream)
+-{
+-	u32 dma_reg = i2s_read_reg(dev->i2s_base, I2S_DMACR);
+-
+-	/* Disable DMA handshake for stream */
+-	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+-		dma_reg &= ~I2S_DMAEN_TXBLOCK;
+-		i2s_write_reg(dev->i2s_base, I2S_RTXDMA, 1);
+-	} else {
+-		dma_reg &= ~I2S_DMAEN_RXBLOCK;
+-		i2s_write_reg(dev->i2s_base, I2S_RRXDMA, 1);
+-	}
+-	i2s_write_reg(dev->i2s_base, I2S_DMACR, dma_reg);
+-}
+-
+ static void i2s_start(struct dw_i2s_dev *dev,
+ 		      struct snd_pcm_substream *substream)
+ {
+ 	struct i2s_clk_config_data *config = &dev->config;
+
+-	u32 reg = IER_IEN;
+-
+-	if (dev->tdm_slots) {
+-		reg |= (dev->tdm_slots - 1) << IER_TDM_SLOTS_SHIFT;
+-		reg |= IER_INTF_TYPE;
+-		reg |= dev->frame_offset << IER_FRAME_OFF_SHIFT;
+-	}
+-
+-	i2s_write_reg(dev->i2s_base, IER, reg);
++	i2s_write_reg(dev->i2s_base, IER, 1);
++	i2s_enable_irqs(dev, substream->stream, config->chan_nr);
+
+ 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ 		i2s_write_reg(dev->i2s_base, ITER, 1);
+ 	else
+ 		i2s_write_reg(dev->i2s_base, IRER, 1);
+
+-	/* I2S needs to enable IRQ to make a handshake with DMAC on the JH7110 SoC */
+-	if (dev->use_pio || dev->is_jh7110)
+-		i2s_enable_irqs(dev, substream->stream, config->chan_nr);
+-	else
+-		i2s_enable_dma(dev, substream->stream);
+-
+ 	i2s_write_reg(dev->i2s_base, CER, 1);
+ }
+
+@@ -218,10 +177,7 @@ static void i2s_stop(struct dw_i2s_dev *dev,
+ 	else
+ 		i2s_write_reg(dev->i2s_base, IRER, 0);
+
+-	if (dev->use_pio || dev->is_jh7110)
+-		i2s_disable_irqs(dev, substream->stream, 8);
+-	else
+-		i2s_disable_dma(dev, substream->stream);
++	i2s_disable_irqs(dev, substream->stream, 8);
+
+ 	if (!dev->active) {
+ 		i2s_write_reg(dev->i2s_base, CER, 0);
+diff --git a/sound/soc/dwc/local.h b/sound/soc/dwc/local.h
+index dce88c9ad5f3..81eee700c1c2 100644
+--- a/sound/soc/dwc/local.h
++++ b/sound/soc/dwc/local.h
+@@ -69,12 +69,6 @@
+ #define I2S_COMP_VERSION	0x01F8
+ #define I2S_COMP_TYPE		0x01FC
+
+-#define I2S_RRXDMA		0x01C4
+-#define I2S_RTXDMA		0x01CC
+-#define I2S_DMACR		0x0200
+-#define I2S_DMAEN_RXBLOCK	(1 << 16)
+-#define I2S_DMAEN_TXBLOCK	(1 << 17)
+-
+ /*
+  * Component parameter register fields - define the I2S block's
+  * configuration.
+-- 
+2.40.0
+