[Sound-open-firmware] [RFC PATCH 1/6] platform: dma: consolidate dmac initialization
Ranjani Sridharan
ranjani.sridharan at linux.intel.com
Tue Jun 5 06:23:15 CEST 2018
This patch proposes to create a DMAC initialization routine in
dma.c where it can access the platform DMAC definitions.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
---
src/include/sof/dma.h | 3 +++
src/platform/apollolake/dma.c | 9 +++++++++
src/platform/apollolake/platform.c | 21 +--------------------
src/platform/baytrail/dma.c | 9 +++++++++
src/platform/baytrail/platform.c | 22 +---------------------
src/platform/cannonlake/dma.c | 9 +++++++++
src/platform/cannonlake/platform.c | 21 +--------------------
src/platform/haswell/dma.c | 9 +++++++++
src/platform/haswell/platform.c | 16 +---------------
9 files changed, 43 insertions(+), 76 deletions(-)
diff --git a/src/include/sof/dma.h b/src/include/sof/dma.h
index 7ba1298..80ca880 100644
--- a/src/include/sof/dma.h
+++ b/src/include/sof/dma.h
@@ -140,6 +140,9 @@ struct dma_int {
struct dma *dma_get(int dmac_id);
+/* initialize all platform DMAC's */
+void dmac_init(void);
+
#define dma_set_drvdata(dma, data) \
dma->private = data
#define dma_get_drvdata(dma) \
diff --git a/src/platform/apollolake/dma.c b/src/platform/apollolake/dma.c
index 90dde96..001bb67 100644
--- a/src/platform/apollolake/dma.c
+++ b/src/platform/apollolake/dma.c
@@ -181,3 +181,12 @@ struct dma *dma_get(int dmac_id)
return NULL;
}
+
+/* Initialize all platform DMAC's */
+void dmac_init(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dma); i++)
+ dma_probe(&dma[i]);
+}
diff --git a/src/platform/apollolake/platform.c b/src/platform/apollolake/platform.c
index 0b26ae5..589c77e 100644
--- a/src/platform/apollolake/platform.c
+++ b/src/platform/apollolake/platform.c
@@ -186,7 +186,6 @@ static void platform_memory_windows_init(void)
int platform_init(struct sof *sof)
{
- struct dma *dmac;
struct dai *ssp;
struct dai *dmic0;
int i;
@@ -244,25 +243,7 @@ int platform_init(struct sof *sof)
/* init DMACs */
trace_point(TRACE_BOOT_PLATFORM_DMA);
- dmac = dma_get(DMA_GP_LP_DMAC0);
- if (dmac == NULL)
- return -ENODEV;
- dma_probe(dmac);
-
- dmac = dma_get(DMA_GP_LP_DMAC1);
- if (dmac == NULL)
- return -ENODEV;
- dma_probe(dmac);
-
- dmac = dma_get(DMA_HOST_OUT_DMAC);
- if (dmac == NULL)
- return -ENODEV;
- dma_probe(dmac);
-
- dmac = dma_get(DMA_HOST_IN_DMAC);
- if (dmac == NULL)
- return -ENODEV;
- dma_probe(dmac);
+ dmac_init();
/* init SSP ports */
trace_point(TRACE_BOOT_PLATFORM_SSP);
diff --git a/src/platform/baytrail/dma.c b/src/platform/baytrail/dma.c
index 53602f5..5a0b650 100644
--- a/src/platform/baytrail/dma.c
+++ b/src/platform/baytrail/dma.c
@@ -186,3 +186,12 @@ struct dma *dma_get(int dmac_id)
return NULL;
}
+
+/* Initialize all platform DMAC's */
+void dmac_init(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dma); i++)
+ dma_probe(&dma[i]);
+}
diff --git a/src/platform/baytrail/platform.c b/src/platform/baytrail/platform.c
index 562fabf..50acda9 100644
--- a/src/platform/baytrail/platform.c
+++ b/src/platform/baytrail/platform.c
@@ -290,15 +290,10 @@ void platform_interrupt_unmask(uint32_t irq, uint32_t mask)
int platform_init(struct sof *sof)
{
#if defined CONFIG_BAYTRAIL
- struct dma *dmac0;
- struct dma *dmac1;
struct dai *ssp0;
struct dai *ssp1;
struct dai *ssp2;
#elif defined CONFIG_CHERRYTRAIL
- struct dma *dmac0;
- struct dma *dmac1;
- struct dma *dmac2;
struct dai *ssp0;
struct dai *ssp1;
struct dai *ssp2;
@@ -356,22 +351,7 @@ int platform_init(struct sof *sof)
/* init DMACs */
trace_point(TRACE_BOOT_PLATFORM_DMA);
- dmac0 = dma_get(DMA_ID_DMAC0);
- if (dmac0 == NULL)
- return -ENODEV;
- dma_probe(dmac0);
-
- dmac1 = dma_get(DMA_ID_DMAC1);
- if (dmac1 == NULL)
- return -ENODEV;
- dma_probe(dmac1);
-
-#if defined CONFIG_CHERRYTRAIL
- dmac2 = dma_get(DMA_ID_DMAC1);
- if (dmac2 == NULL)
- return -ENODEV;
- dma_probe(dmac2);
-#endif
+ dmac_init();
/* mask SSP 0 - 2 interrupts */
shim_write(SHIM_PIMR, shim_read(SHIM_PIMR) | 0x00000038);
diff --git a/src/platform/cannonlake/dma.c b/src/platform/cannonlake/dma.c
index 3f9d6cb..9031c17 100644
--- a/src/platform/cannonlake/dma.c
+++ b/src/platform/cannonlake/dma.c
@@ -182,3 +182,12 @@ struct dma *dma_get(int dmac_id)
return NULL;
}
+
+/* Initialize all platform DMAC's */
+void dmac_init(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dma); i++)
+ dma_probe(&dma[i]);
+}
diff --git a/src/platform/cannonlake/platform.c b/src/platform/cannonlake/platform.c
index 2e85088..3ca48e5 100644
--- a/src/platform/cannonlake/platform.c
+++ b/src/platform/cannonlake/platform.c
@@ -208,7 +208,6 @@ static struct timer platform_ext_timer = {
int platform_init(struct sof *sof)
{
- struct dma *dmac;
struct dai *ssp;
struct dai *dmic0;
int i;
@@ -261,25 +260,7 @@ int platform_init(struct sof *sof)
/* init DMACs */
trace_point(TRACE_BOOT_PLATFORM_DMA);
- dmac = dma_get(DMA_GP_LP_DMAC0);
- if (!dmac)
- return -ENODEV;
- dma_probe(dmac);
-
- dmac = dma_get(DMA_GP_LP_DMAC1);
- if (!dmac)
- return -ENODEV;
- dma_probe(dmac);
-
- dmac = dma_get(DMA_HOST_OUT_DMAC);
- if (!dmac)
- return -ENODEV;
- dma_probe(dmac);
-
- dmac = dma_get(DMA_HOST_IN_DMAC);
- if (!dmac)
- return -ENODEV;
- dma_probe(dmac);
+ dmac_init();
/* init SSP ports */
trace_point(TRACE_BOOT_PLATFORM_SSP);
diff --git a/src/platform/haswell/dma.c b/src/platform/haswell/dma.c
index 42df546..5d1e308 100644
--- a/src/platform/haswell/dma.c
+++ b/src/platform/haswell/dma.c
@@ -135,3 +135,12 @@ struct dma *dma_get(int dmac_id)
return NULL;
}
}
+
+/* Initialize all platform DMAC's */
+void dmac_init(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dma); i++)
+ dma_probe(&dma[i]);
+}
diff --git a/src/platform/haswell/platform.c b/src/platform/haswell/platform.c
index 81ce67a..8ffb370 100644
--- a/src/platform/haswell/platform.c
+++ b/src/platform/haswell/platform.c
@@ -240,8 +240,6 @@ static void platform_init_shim(void)
int platform_init(struct sof *sof)
{
- struct dma *dmac0;
- struct dma *dmac1;
struct dai *ssp0;
struct dai *ssp1;
@@ -280,19 +278,7 @@ int platform_init(struct sof *sof)
/* init DMACs */
trace_point(TRACE_BOOT_PLATFORM_DMA);
- dmac0 = dma_get(DMA_ID_DMAC0);
- if (dmac0 == NULL)
- return -ENODEV;
- dma_probe(dmac0);
-
- /* clear the masks for dsp of the dmac*/
- io_reg_update_bits(SHIM_BASE + SHIM_IMRD,
- SHIM_IMRD_DMAC0, 0);
-
- dmac1 = dma_get(DMA_ID_DMAC1);
- if (dmac1 == NULL)
- return -ENODEV;
- dma_probe(dmac1);
+ dmac_init();
/* clear the masks for dsp of the dmac*/
io_reg_update_bits(SHIM_BASE + SHIM_IMRD,
--
2.17.0
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