[PATCH v2 1/9] [media] VPU: mediatek: Add decode support

Tiffany Lin
2016-05-12T11:24:41Z

From: Andrew-CT Chen <andrew-ct.chen@mediatek.com>

VPU driver add decode support

Signed-off-by: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
---
drivers/media/platform/mtk-vpu/mtk_vpu.c | 12 ++++++++++++
drivers/media/platform/mtk-vpu/mtk_vpu.h | 27 +++++++++++++++++++++++++++
2 files changed, 39 insertions(+)

diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c
index b60d02c..ca23b1f 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.c
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c
@@ -134,6 +134,8 @@ struct vpu_wdt {
*
* @signaled: the signal of vpu initialization completed
* @fw_ver: VPU firmware version
+ * @dec_capability: decoder capability which is not used for now and
+ * the value is reserved for future use
* @enc_capability: encoder capability which is not used for now and
* the value is reserved for future use
* @wq: wait queue for VPU initialization status
@@ -141,6 +143,7 @@ struct vpu_wdt {
struct vpu_run {
u32 signaled;
char fw_ver[VPU_FW_VER_LEN];
+ unsigned int dec_capability;
unsigned int enc_capability;
wait_queue_head_t wq;
};
@@ -415,6 +418,14 @@ int vpu_wdt_reg_handler(struct platform_device *pdev,
}
EXPORT_SYMBOL_GPL(vpu_wdt_reg_handler);

+unsigned int vpu_get_vdec_hw_capa(struct platform_device *pdev)
+{
+ struct mtk_vpu *vpu = platform_get_drvdata(pdev);
+
+ return vpu->run.dec_capability;
+}
+EXPORT_SYMBOL_GPL(vpu_get_vdec_hw_capa);
+
unsigned int vpu_get_venc_hw_capa(struct platform_device *pdev)
{
struct mtk_vpu *vpu = platform_get_drvdata(pdev);
@@ -600,6 +611,7 @@ static void vpu_init_ipi_handler(void *data, unsigned int len, void *priv)

vpu->run.signaled = run->signaled;
strncpy(vpu->run.fw_ver, run->fw_ver, VPU_FW_VER_LEN);
+ vpu->run.dec_capability = run->dec_capability;
vpu->run.enc_capability = run->enc_capability;
wake_up_interruptible(&vpu->run.wq);
}
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.h b/drivers/media/platform/mtk-vpu/mtk_vpu.h
index 5ab37f0..f457479 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.h
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.h
@@ -37,6 +37,18 @@ typedef void (*ipi_handler_t) (void *data,
command to VPU.
For other IPI below, AP should send the request
to VPU to trigger the interrupt.
+ * @IPI_VDEC_H264: The interrupt from vpu is to notify kernel to
+ handle H264 vidoe decoder job, and vice versa.
+ Decode output format is always MT21 no matter what
+ the input format is.
+ * @IPI_VDEC_VP8: The interrupt from is to notify kernel to
+ handle VP8 video decoder job, and vice versa.
+ Decode output format is always MT21 no matter what
+ the input format is.
+ * @IPI_VDEC_VP9: The interrupt from vpu is to notify kernel to
+ handle VP9 video decoder job, and vice versa.
+ Decode output format is always MT21 no matter what
+ the input format is.
* @IPI_VENC_H264: The interrupt from vpu is to notify kernel to
handle H264 video encoder job, and vice versa.
* @IPI_VENC_VP8: The interrupt fro vpu is to notify kernel to
@@ -46,6 +58,9 @@ typedef void (*ipi_handler_t) (void *data,

enum ipi_id {
IPI_VPU_INIT = 0,
+ IPI_VDEC_H264,
+ IPI_VDEC_VP8,
+ IPI_VDEC_VP9,
IPI_VENC_H264,
IPI_VENC_VP8,
IPI_MAX,
@@ -55,10 +70,12 @@ enum ipi_id {
* enum rst_id - reset id to register reset function for VPU watchdog timeout
*
* @VPU_RST_ENC: encoder reset id
+ * @VPU_RST_DEC: decoder reset id
* @VPU_RST_MAX: maximum reset id
*/
enum rst_id {
VPU_RST_ENC,
+ VPU_RST_DEC,
VPU_RST_MAX,
};

@@ -125,6 +142,16 @@ struct platform_device *vpu_get_plat_device(struct platform_device *pdev);
int vpu_wdt_reg_handler(struct platform_device *pdev,
void vpu_wdt_reset_func(void *),
void *priv, enum rst_id id);
+
+/**
+ * vpu_get_vdec_hw_capa - get video decoder hardware capability
+ *
+ * @pdev: VPU platform device
+ *
+ * Return: video decoder hardware capability
+ **/
+unsigned int vpu_get_vdec_hw_capa(struct platform_device *pdev);
+
/**
* vpu_get_venc_hw_capa - get video encoder hardware capability
*
--
1.7.9.5