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Subject[PATCH 3/8] ASoC: SOF: Intel: mtl: factor interrupt enable/disable interrupt functions
Date
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

The offsets and sequences are identical for interrupt enabling and
disabling, we can refactor the code with a single routine and a
boolean.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
---
sound/soc/sof/intel/mtl.c | 120 +++++++++++++-------------------------
1 file changed, 40 insertions(+), 80 deletions(-)

diff --git a/sound/soc/sof/intel/mtl.c b/sound/soc/sof/intel/mtl.c
index 7452a7dbb0e4..43ffcccec0be 100644
--- a/sound/soc/sof/intel/mtl.c
+++ b/sound/soc/sof/intel/mtl.c
@@ -134,112 +134,72 @@ static void mtl_disable_ipc_interrupts(struct snd_sof_dev *sdev)
MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE, 0);
}

-static int mtl_enable_interrupts(struct snd_sof_dev *sdev)
+static int mtl_enable_interrupts(struct snd_sof_dev *sdev, bool enable)
{
u32 hfintipptr;
u32 irqinten;
- u32 host_ipc;
u32 hipcie;
+ u32 mask;
+ u32 val;
int ret;

/* read Interrupt IP Pointer */
hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;

- /* Enable Host IPC and SOUNDWIRE */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, hfintipptr,
- MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK,
- MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK);
+ /* Enable/Disable Host IPC and SOUNDWIRE */
+ mask = MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK;
+ if (enable)
+ val = mask;
+ else
+ val = 0;
+
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, hfintipptr, mask, val);

/* check if operation was successful */
- host_ipc = MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK;
ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, hfintipptr, irqinten,
- (irqinten & host_ipc) == host_ipc,
+ (irqinten & mask) == val,
HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
if (ret < 0) {
- dev_err(sdev->dev, "failed to enable Host IPC and/or SOUNDWIRE\n");
+ dev_err(sdev->dev, "failed to %s Host IPC and/or SOUNDWIRE\n",
+ enable ? "enable" : "disable");
return ret;
}

- /* Set Host IPC interrupt enable */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE,
- MTL_DSP_REG_HfHIPCIE_IE_MASK, MTL_DSP_REG_HfHIPCIE_IE_MASK);
+ /* Enable/Disable Host IPC interrupt*/
+ mask = MTL_DSP_REG_HfHIPCIE_IE_MASK;
+ if (enable)
+ val = mask;
+ else
+ val = 0;
+
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, mask, val);

/* check if operation was successful */
- host_ipc = MTL_DSP_REG_HfHIPCIE_IE_MASK;
ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, hipcie,
- (hipcie & host_ipc) == host_ipc,
+ (hipcie & mask) == val,
HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
if (ret < 0) {
- dev_err(sdev->dev, "failed to set Host IPC interrupt enable\n");
+ dev_err(sdev->dev, "failed to set Host IPC interrupt %s\n",
+ enable ? "enable" : "disable");
return ret;
}

- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE,
- MTL_DSP_REG_HfSNDWIE_IE_MASK, MTL_DSP_REG_HfSNDWIE_IE_MASK);
- host_ipc = MTL_DSP_REG_HfSNDWIE_IE_MASK;
+ /* Enable/Disable SoundWire interrupt */
+ mask = MTL_DSP_REG_HfSNDWIE_IE_MASK;
+ if (enable)
+ val = mask;
+ else
+ val = 0;
+
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, mask, val);
+
+ /* check if operation was successful */
ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, hipcie,
- (hipcie & host_ipc) == host_ipc,
+ (hipcie & mask) == val,
HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
if (ret < 0)
- dev_err(sdev->dev, "failed to set SoundWire IPC interrupt enable\n");
-
- return ret;
-}
-
-static int mtl_disable_interrupts(struct snd_sof_dev *sdev)
-{
- u32 hfintipptr;
- u32 irqinten;
- u32 host_ipc;
- u32 hipcie;
- int ret1;
- int ret;
-
- /* read Interrupt IP Pointer */
- hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;
-
- /* Disable Host IPC and SOUNDWIRE */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, hfintipptr,
- MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK, 0);
-
- /* check if operation was successful */
- host_ipc = MTL_IRQ_INTEN_L_HOST_IPC_MASK | MTL_IRQ_INTEN_L_SOUNDWIRE_MASK;
- ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, hfintipptr, irqinten,
- (irqinten & host_ipc) == 0,
- HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US);
- /* Continue to disable other interrupts when error happens */
- if (ret < 0)
- dev_err(sdev->dev, "failed to disable Host IPC and SoundWire\n");
-
- /* Set Host IPC interrupt disable */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE,
- MTL_DSP_REG_HfHIPCIE_IE_MASK, 0);
-
- /* check if operation was successful */
- host_ipc = MTL_DSP_REG_HfHIPCIE_IE_MASK;
- ret1 = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfHIPCIE, hipcie,
- (hipcie & host_ipc) == 0,
- HDA_DSP_REG_POLL_INTERVAL_US,
- HDA_DSP_RESET_TIMEOUT_US);
- if (ret1 < 0) {
- dev_err(sdev->dev, "failed to set Host IPC interrupt disable\n");
- if (!ret)
- ret = ret1;
- }
-
- /* Set SoundWire IPC interrupt disable */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE,
- MTL_DSP_REG_HfSNDWIE_IE_MASK, 0);
- host_ipc = MTL_DSP_REG_HfSNDWIE_IE_MASK;
- ret1 = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, MTL_DSP_REG_HfSNDWIE, hipcie,
- (hipcie & host_ipc) == 0,
- HDA_DSP_REG_POLL_INTERVAL_US,
- HDA_DSP_RESET_TIMEOUT_US);
- if (ret1 < 0) {
- dev_err(sdev->dev, "failed to set SoundWire IPC interrupt disable\n");
- if (!ret)
- ret = ret1;
- }
+ dev_err(sdev->dev, "failed to set SoundWire IPC interrupt %s\n",
+ enable ? "enable" : "disable");

return ret;
}
@@ -473,7 +433,7 @@ static int mtl_dsp_cl_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_bo
chip->ipc_ack_mask);

/* step 4: enable interrupts */
- ret = mtl_enable_interrupts(sdev);
+ ret = mtl_enable_interrupts(sdev, true);
if (ret < 0) {
if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
dev_err(sdev->dev, "%s: failed to enable interrupts\n", __func__);
@@ -609,7 +569,7 @@ static void mtl_ipc_dump(struct snd_sof_dev *sdev)
static int mtl_dsp_disable_interrupts(struct snd_sof_dev *sdev)
{
mtl_disable_ipc_interrupts(sdev);
- return mtl_disable_interrupts(sdev);
+ return mtl_enable_interrupts(sdev, false);
}

/* Meteorlake ops */
--
2.25.1
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