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-rw-r--r--sound/soc/sof/intel/apl.c1
-rw-r--r--sound/soc/sof/intel/cnl.c5
-rw-r--r--sound/soc/sof/intel/hda-ipc.c23
-rw-r--r--sound/soc/sof/intel/hda-stream.c20
-rw-r--r--sound/soc/sof/intel/hda.c69
-rw-r--r--sound/soc/sof/intel/hda.h11
6 files changed, 70 insertions, 59 deletions
diff --git a/sound/soc/sof/intel/apl.c b/sound/soc/sof/intel/apl.c
index 7daa8eb456c8..6f45e14f2b2e 100644
--- a/sound/soc/sof/intel/apl.c
+++ b/sound/soc/sof/intel/apl.c
@@ -41,7 +41,6 @@ const struct snd_sof_dsp_ops sof_apl_ops = {
.block_write = sof_block_write,
/* doorbell */
- .irq_handler = hda_dsp_ipc_irq_handler,
.irq_thread = hda_dsp_ipc_irq_thread,
/* ipc */
diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c
index 0e1e265f3f3b..9bd169e2691e 100644
--- a/sound/soc/sof/intel/cnl.c
+++ b/sound/soc/sof/intel/cnl.c
@@ -106,10 +106,6 @@ static irqreturn_t cnl_ipc_irq_thread(int irq, void *context)
"nothing to do in IPC IRQ thread\n");
}
- /* re-enable IPC interrupt */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC,
- HDA_DSP_ADSPIC_IPC, HDA_DSP_ADSPIC_IPC);
-
return IRQ_HANDLED;
}
@@ -231,7 +227,6 @@ const struct snd_sof_dsp_ops sof_cnl_ops = {
.block_write = sof_block_write,
/* doorbell */
- .irq_handler = hda_dsp_ipc_irq_handler,
.irq_thread = cnl_ipc_irq_thread,
/* ipc */
diff --git a/sound/soc/sof/intel/hda-ipc.c b/sound/soc/sof/intel/hda-ipc.c
index 0fd2153c1769..1837f66e361f 100644
--- a/sound/soc/sof/intel/hda-ipc.c
+++ b/sound/soc/sof/intel/hda-ipc.c
@@ -230,22 +230,15 @@ irqreturn_t hda_dsp_ipc_irq_thread(int irq, void *context)
"nothing to do in IPC IRQ thread\n");
}
- /* re-enable IPC interrupt */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC,
- HDA_DSP_ADSPIC_IPC, HDA_DSP_ADSPIC_IPC);
-
return IRQ_HANDLED;
}
-/* is this IRQ for ADSP ? - we only care about IPC here */
-irqreturn_t hda_dsp_ipc_irq_handler(int irq, void *context)
+/* Check if an IPC IRQ occurred */
+bool hda_dsp_check_ipc_irq(struct snd_sof_dev *sdev)
{
- struct snd_sof_dev *sdev = context;
- int ret = IRQ_NONE;
+ bool ret = false;
u32 irq_status;
- spin_lock(&sdev->hw_lock);
-
/* store status */
irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
dev_vdbg(sdev->dev, "irq handler: irq_status:0x%x\n", irq_status);
@@ -255,16 +248,10 @@ irqreturn_t hda_dsp_ipc_irq_handler(int irq, void *context)
goto out;
/* IPC message ? */
- if (irq_status & HDA_DSP_ADSPIS_IPC) {
- /* disable IPC interrupt */
- snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPIC,
- HDA_DSP_ADSPIC_IPC, 0);
- ret = IRQ_WAKE_THREAD;
- }
+ if (irq_status & HDA_DSP_ADSPIS_IPC)
+ ret = true;
out:
- spin_unlock(&sdev->hw_lock);
return ret;
}
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index 29ab43281670..927a36f92c24 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -549,22 +549,23 @@ int hda_dsp_stream_hw_free(struct snd_sof_dev *sdev,
return 0;
}
-irqreturn_t hda_dsp_stream_interrupt(int irq, void *context)
+bool hda_dsp_check_stream_irq(struct snd_sof_dev *sdev)
{
- struct hdac_bus *bus = context;
- int ret = IRQ_WAKE_THREAD;
+ struct hdac_bus *bus = sof_to_bus(sdev);
+ bool ret = false;
u32 status;
- spin_lock(&bus->reg_lock);
+ /* The function can be called at irq thread, so use spin_lock_irq */
+ spin_lock_irq(&bus->reg_lock);
status = snd_hdac_chip_readl(bus, INTSTS);
dev_vdbg(bus->dev, "stream irq, INTSTS status: 0x%x\n", status);
- /* Register inaccessible, ignore it.*/
- if (status == 0xffffffff)
- ret = IRQ_NONE;
+ /* if Register inaccessible, ignore it.*/
+ if (status != 0xffffffff)
+ ret = true;
- spin_unlock(&bus->reg_lock);
+ spin_unlock_irq(&bus->reg_lock);
return ret;
}
@@ -602,7 +603,8 @@ static bool hda_dsp_stream_check(struct hdac_bus *bus, u32 status)
irqreturn_t hda_dsp_stream_threaded_handler(int irq, void *context)
{
- struct hdac_bus *bus = context;
+ struct snd_sof_dev *sdev = context;
+ struct hdac_bus *bus = sof_to_bus(sdev);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
u32 rirb_status;
#endif
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 91bd88fddac7..4596239c63d8 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -499,6 +499,49 @@ static const struct sof_intel_dsp_desc
return chip_info;
}
+static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
+{
+ struct snd_sof_dev *sdev = context;
+
+ /*
+ * Get global interrupt status. It includes all hardware interrupt
+ * sources in the Intel HD Audio controller.
+ */
+ if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
+ SOF_HDA_INTSTS_GIS) {
+
+ /* disable GIE interrupt */
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
+ SOF_HDA_INTCTL,
+ SOF_HDA_INT_GLOBAL_EN,
+ 0);
+
+ return IRQ_WAKE_THREAD;
+ }
+
+ return IRQ_NONE;
+}
+
+static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
+{
+ struct snd_sof_dev *sdev = context;
+
+ /* deal with streams and controller first */
+ if (hda_dsp_check_stream_irq(sdev))
+ hda_dsp_stream_threaded_handler(irq, sdev);
+
+ if (hda_dsp_check_ipc_irq(sdev))
+ sof_ops(sdev)->irq_thread(irq, sdev);
+
+ /* enable GIE interrupt */
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
+ SOF_HDA_INTCTL,
+ SOF_HDA_INT_GLOBAL_EN,
+ SOF_HDA_INT_GLOBAL_EN);
+
+ return IRQ_HANDLED;
+}
+
int hda_dsp_probe(struct snd_sof_dev *sdev)
{
struct pci_dev *pci = to_pci_dev(sdev->dev);
@@ -603,9 +646,7 @@ int hda_dsp_probe(struct snd_sof_dev *sdev)
*/
if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
dev_info(sdev->dev, "use msi interrupt mode\n");
- hdev->irq = pci_irq_vector(pci, 0);
- /* ipc irq number is the same of hda irq */
- sdev->ipc_irq = hdev->irq;
+ sdev->ipc_irq = pci_irq_vector(pci, 0);
/* initialised to "false" by kzalloc() */
sdev->msi_enabled = true;
}
@@ -616,28 +657,17 @@ int hda_dsp_probe(struct snd_sof_dev *sdev)
* in IO-APIC mode, hda->irq and ipc_irq are using the same
* irq number of pci->irq
*/
- hdev->irq = pci->irq;
sdev->ipc_irq = pci->irq;
}
- dev_dbg(sdev->dev, "using HDA IRQ %d\n", hdev->irq);
- ret = request_threaded_irq(hdev->irq, hda_dsp_stream_interrupt,
- hda_dsp_stream_threaded_handler,
- IRQF_SHARED, "AudioHDA", bus);
- if (ret < 0) {
- dev_err(sdev->dev, "error: failed to register HDA IRQ %d\n",
- hdev->irq);
- goto free_irq_vector;
- }
-
dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
- ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_ipc_irq_handler,
- sof_ops(sdev)->irq_thread, IRQF_SHARED,
- "AudioDSP", sdev);
+ ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
+ hda_dsp_interrupt_thread,
+ IRQF_SHARED, "AudioDSP", sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
sdev->ipc_irq);
- goto free_hda_irq;
+ goto free_irq_vector;
}
pci_set_master(pci);
@@ -668,8 +698,6 @@ int hda_dsp_probe(struct snd_sof_dev *sdev)
free_ipc_irq:
free_irq(sdev->ipc_irq, sdev);
-free_hda_irq:
- free_irq(hdev->irq, bus);
free_irq_vector:
if (sdev->msi_enabled)
pci_free_irq_vectors(pci);
@@ -715,7 +743,6 @@ int hda_dsp_remove(struct snd_sof_dev *sdev)
SOF_HDA_PPCTL_GPROCEN, 0);
free_irq(sdev->ipc_irq, sdev);
- free_irq(hda->irq, bus);
if (sdev->msi_enabled)
pci_free_irq_vectors(pci);
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 18d7e72bf9b7..63df888dddb6 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -43,11 +43,14 @@
/* SOF_HDA_GCTL register bist */
#define SOF_HDA_GCTL_RESET BIT(0)
-/* SOF_HDA_INCTL and SOF_HDA_INTSTS regs */
+/* SOF_HDA_INCTL regs */
#define SOF_HDA_INT_GLOBAL_EN BIT(31)
#define SOF_HDA_INT_CTRL_EN BIT(30)
#define SOF_HDA_INT_ALL_STREAM 0xff
+/* SOF_HDA_INTSTS regs */
+#define SOF_HDA_INTSTS_GIS BIT(31)
+
#define SOF_HDA_MAX_CAPS 10
#define SOF_HDA_CAP_ID_OFF 16
#define SOF_HDA_CAP_ID_MASK GENMASK(SOF_HDA_CAP_ID_OFF + 11,\
@@ -406,8 +409,6 @@ struct sof_intel_hda_dev {
/* the maximum number of streams (playback + capture) supported */
u32 stream_max;
- int irq;
-
/* PM related */
bool l1_support_changed;/* during suspend, is L1SEN changed or not */
@@ -511,11 +512,12 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
struct snd_pcm_hw_params *params);
int hda_dsp_stream_trigger(struct snd_sof_dev *sdev,
struct hdac_ext_stream *stream, int cmd);
-irqreturn_t hda_dsp_stream_interrupt(int irq, void *context);
irqreturn_t hda_dsp_stream_threaded_handler(int irq, void *context);
int hda_dsp_stream_setup_bdl(struct snd_sof_dev *sdev,
struct snd_dma_buffer *dmab,
struct hdac_stream *stream);
+bool hda_dsp_check_ipc_irq(struct snd_sof_dev *sdev);
+bool hda_dsp_check_stream_irq(struct snd_sof_dev *sdev);
struct hdac_ext_stream *
hda_dsp_stream_get(struct snd_sof_dev *sdev, int direction);
@@ -540,7 +542,6 @@ void hda_dsp_ipc_get_reply(struct snd_sof_dev *sdev);
int hda_dsp_ipc_get_mailbox_offset(struct snd_sof_dev *sdev);
int hda_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id);
-irqreturn_t hda_dsp_ipc_irq_handler(int irq, void *context);
irqreturn_t hda_dsp_ipc_irq_thread(int irq, void *context);
int hda_dsp_ipc_cmd_done(struct snd_sof_dev *sdev, int dir);