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Subject[PATCH v2, 03/12] media: mtk-vcodec: get capture queue buffer size from scp
Date
From: Yunfei Dong <yunfei.dong@mediatek.corp-partner.google.com>

Different capture buffer format has different buffer size, need to get
real buffer size according to buffer type from scp.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
.../platform/mtk-vcodec/mtk_vcodec_dec.c | 2 +
.../platform/mtk-vcodec/mtk_vcodec_drv.h | 2 +
.../media/platform/mtk-vcodec/vdec_ipi_msg.h | 36 +++++++++++++
.../media/platform/mtk-vcodec/vdec_vpu_if.c | 51 +++++++++++++++++++
.../media/platform/mtk-vcodec/vdec_vpu_if.h | 15 ++++++
5 files changed, 106 insertions(+)

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
index 130ecef2e766..87891ebd7246 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
@@ -466,6 +466,8 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
}
ctx->state = MTK_STATE_INIT;
}
+ } else {
+ ctx->capture_fourcc = fmt->fourcc;
}

/*
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index a23a7646437c..95e07cf2cd3e 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -277,6 +277,7 @@ struct vdec_pic_info {
* to be used with encoder and stateful decoder.
* @is_flushing: set to true if flushing is in progress.
* @current_codec: current set input codec, in V4L2 pixel format
+ * @capture_fourcc: capture queue type in V4L2 pixel format
*
* @colorspace: enum v4l2_colorspace; supplemental to pixelformat
* @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
@@ -322,6 +323,7 @@ struct mtk_vcodec_ctx {
bool is_flushing;

u32 current_codec;
+ u32 capture_fourcc;

enum v4l2_colorspace colorspace;
enum v4l2_ycbcr_encoding ycbcr_enc;
diff --git a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
index 5daca8d52ebb..d00e555cf27a 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
+++ b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
@@ -20,6 +20,7 @@ enum vdec_ipi_msgid {
AP_IPIMSG_DEC_RESET = 0xA004,
AP_IPIMSG_DEC_CORE = 0xA005,
AP_IPIMSG_DEC_CORE_END = 0xA006,
+ AP_IPIMSG_DEC_GET_PARAM = 0xA007,

VPU_IPIMSG_DEC_INIT_ACK = 0xB000,
VPU_IPIMSG_DEC_START_ACK = 0xB001,
@@ -28,6 +29,7 @@ enum vdec_ipi_msgid {
VPU_IPIMSG_DEC_RESET_ACK = 0xB004,
VPU_IPIMSG_DEC_CORE_ACK = 0xB005,
VPU_IPIMSG_DEC_CORE_END_ACK = 0xB006,
+ VPU_IPIMSG_DEC_GET_PARAM_ACK = 0xB007,
};

/**
@@ -114,4 +116,38 @@ struct vdec_vpu_ipi_init_ack {
uint32_t inst_id;
};

+/**
+ * struct vdec_ap_ipi_get_param - for AP_IPIMSG_SET_PARAM
+ * @msg_id : AP_IPIMSG_DEC_START
+ * @inst_id : instance ID. Used if the ABI version >= 2.
+ * @data : picture information
+ * @param_type : get param type
+ * @codec_type : Codec fourcc
+ */
+struct vdec_ap_ipi_get_param {
+ uint32_t msg_id;
+ uint32_t inst_id;
+ uint32_t data[4];
+ uint32_t param_type;
+ uint32_t codec_type;
+};
+
+
+/**
+ * struct vdec_vpu_ipi_init_ack - for VPU_IPIMSG_DEC_INIT_ACK
+ * @msg_id : VPU_IPIMSG_DEC_INIT_ACK
+ * @status : VPU exeuction result
+ * @ap_inst_addr : AP vcodec_vpu_inst instance address
+ * @data : picture information from SCP.
+ * @param_type : get param type
+ */
+struct vdec_vpu_ipi_get_param_ack {
+ uint32_t msg_id;
+ int32_t status;
+ uint64_t ap_inst_addr;
+ uint32_t data[4];
+ uint32_t param_type;
+ uint32_t reserved;
+};
+
#endif
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
index 21f6d9c5a371..6f9bcc2b0bb9 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
@@ -54,6 +54,27 @@ static void handle_init_ack_msg(const struct vdec_vpu_ipi_init_ack *msg)
}
}

+static void handle_get_param_msg_ack(
+ const struct vdec_vpu_ipi_get_param_ack *msg)
+{
+ struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *)
+ (unsigned long)msg->ap_inst_addr;
+
+ mtk_vcodec_debug(vpu, "+ ap_inst_addr = 0x%llx", msg->ap_inst_addr);
+
+ /* param_type is enum vdec_get_param_type */
+ switch(msg->param_type) {
+ case 2:
+ vpu->fb_sz[0] = msg->data[0];
+ vpu->fb_sz[1] = msg->data[1];
+ break;
+ default:
+ mtk_vcodec_err(vpu, "invalid get param type=%d", msg->param_type);
+ vpu->failure = 1;
+ break;
+ }
+}
+
/*
* vpu_dec_ipi_handler - Handler for VPU ipi message.
*
@@ -89,6 +110,9 @@ static void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv)
case VPU_IPIMSG_DEC_CORE_END_ACK:
break;

+ case VPU_IPIMSG_DEC_GET_PARAM_ACK:
+ handle_get_param_msg_ack(data);
+ break;
default:
mtk_vcodec_err(vpu, "invalid msg=%X", msg->msg_id);
break;
@@ -217,6 +241,33 @@ int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len)
return err;
}

+int vpu_dec_get_param(struct vdec_vpu_inst *vpu, uint32_t *data,
+ unsigned int len, unsigned int param_type)
+{
+ struct vdec_ap_ipi_get_param msg;
+ int i;
+ int err;
+
+ mtk_vcodec_debug_enter(vpu);
+
+ if (len > ARRAY_SIZE(msg.data)) {
+ mtk_vcodec_err(vpu, "invalid len = %d\n", len);
+ return -EINVAL;
+ }
+
+ memset(&msg, 0, sizeof(msg));
+ msg.msg_id = AP_IPIMSG_DEC_GET_PARAM;
+ msg.inst_id = vpu->inst_id;
+ for (i = 0; i < len; i++)
+ msg.data[i] = data[i];
+ msg.param_type = param_type;
+ msg.codec_type = vpu->codec_type;
+
+ err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg));
+ mtk_vcodec_debug(vpu, "- ret=%d", err);
+ return err;
+}
+
int vpu_dec_core(struct vdec_vpu_inst *vpu)
{
return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_CORE);
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
index 4cb3c7f5a3ad..963f8d4877b7 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
+++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
@@ -28,6 +28,8 @@ struct mtk_vcodec_ctx;
* @wq : wait queue to wait VPU message ack
* @handler : ipi handler for each decoder
* @codec_type : use codec type to separate different codecs
+ * @capture_type : used capture type to separate different capture format
+ * @fb_sz : frame buffer size of each plane
*/
struct vdec_vpu_inst {
int id;
@@ -42,6 +44,8 @@ struct vdec_vpu_inst {
wait_queue_head_t wq;
mtk_vcodec_ipi_handler handler;
unsigned int codec_type;
+ unsigned int capture_type;
+ unsigned int fb_sz[2];
};

/**
@@ -104,4 +108,15 @@ int vpu_dec_core(struct vdec_vpu_inst *vpu);
*/
int vpu_dec_core_end(struct vdec_vpu_inst *vpu);

+/**
+ * vpu_dec_get_param - get param from scp
+ *
+ * @vpu : instance for vdec_vpu_inst
+ * @data: meta data to pass bitstream info to VPU decoder
+ * @len : meta data length
+ * @param_type : get param type
+ */
+int vpu_dec_get_param(struct vdec_vpu_inst *vpu, uint32_t *data,
+ unsigned int len, unsigned int param_type);
+
#endif
--
2.25.1
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