[PATCH 1/6 v3] drm/amd/amdgpu: Added asic_type as ACP DMA driver platform data

[Alex Deucher]

From: Vijendar Mukunda <Vijendar.Mukunda at amd.com>

asic_type information is passed to ACP DMA Driver as platform data.

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---

v2: Removed asic_type local variable and directly passing asic_type
instance to ACP DMA driver as platform data.
v3: Add R-b, resend.

drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 2 ++
 sound/soc/amd/acp-pcm-dma.c             | 8 ++------
 sound/soc/amd/acp.h                     | 7 +++++++
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
index a52795d..ebca223 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
@@ -371,6 +371,8 @@ static int acp_hw_init(void *handle)
 	adev->acp.acp_cell[0].name = "acp_audio_dma";
 	adev->acp.acp_cell[0].num_resources = 4;
 	adev->acp.acp_cell[0].resources = &adev->acp.acp_res[0];
+	adev->acp.acp_cell[0].platform_data = &adev->asic_type;
+	adev->acp.acp_cell[0].pdata_size = sizeof(adev->asic_type);
 
 	adev->acp.acp_cell[1].name = "designware-i2s";
 	adev->acp.acp_cell[1].num_resources = 1;
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index 08b1399..dcbf997 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -73,12 +73,6 @@ static const struct snd_pcm_hardware acp_pcm_hardware_capture = {
 	.periods_max = CAPTURE_MAX_NUM_PERIODS,
 };
 
-struct audio_drv_data {
-	struct snd_pcm_substream *play_stream;
-	struct snd_pcm_substream *capture_stream;
-	void __iomem *acp_mmio;
-};
-
 static u32 acp_reg_read(void __iomem *acp_mmio, u32 reg)
 {
 	return readl(acp_mmio + (reg * 4));
@@ -916,6 +910,7 @@ static int acp_audio_probe(struct platform_device *pdev)
 	int status;
 	struct audio_drv_data *audio_drv_data;
 	struct resource *res;
+	const u32 *pdata = pdev->dev.platform_data;
 
 	audio_drv_data = devm_kzalloc(&pdev->dev, sizeof(struct audio_drv_data),
 					GFP_KERNEL);
@@ -932,6 +927,7 @@ static int acp_audio_probe(struct platform_device *pdev)
 
 	audio_drv_data->play_stream = NULL;
 	audio_drv_data->capture_stream = NULL;
+	audio_drv_data->asic_type =  *pdata;
 
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!res) {
diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h
index 330832e..28cf914 100644
--- a/sound/soc/amd/acp.h
+++ b/sound/soc/amd/acp.h
@@ -84,6 +84,13 @@ struct audio_substream_data {
 	void __iomem *acp_mmio;
 };
 
+struct audio_drv_data {
+	struct snd_pcm_substream *play_stream;
+	struct snd_pcm_substream *capture_stream;
+	void __iomem *acp_mmio;
+	u32 asic_type;
+};
+
 enum {
 	ACP_TILE_P1 = 0,
 	ACP_TILE_P2,
-- 
2.5.5