Thanks for your patch, though perhaps it could be improved, see comment below.
Le mercredi 23 février 2022 à 11:39 +0800, Yunfei Dong a écrit :
> 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.d...@mediatek.com>
> ---
> .../media/platform/mtk-vcodec/vdec_ipi_msg.h | 36 ++++++++++++++
> .../media/platform/mtk-vcodec/vdec_vpu_if.c | 49 +++++++++++++++++++
> .../media/platform/mtk-vcodec/vdec_vpu_if.h | 15 ++++++
> 3 files changed, 100 insertions(+)
>
> diff --git a/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
> b/drivers/media/platform/mtk-vcodec/vdec_ipi_msg.h
> index bf54d6d9a857..47070be2a991 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_DEC_GET_PARAM
> + * @msg_id : AP_IPIMSG_DEC_GET_PARAM
> + * @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 {
> + u32 msg_id;
> + u32 inst_id;
> + u32 data[4];
> + u32 param_type;
> + u32 codec_type;
> +};
> +
> +/**
> + * struct vdec_vpu_ipi_get_param_ack - for VPU_IPIMSG_DEC_GET_PARAM_ACK
> + * @msg_id : VPU_IPIMSG_DEC_GET_PARAM_ACK
> + * @status : VPU execution result
> + * @ap_inst_addr : AP vcodec_vpu_inst instance address
> + * @data : picture information from SCP.
> + * @param_type : get param type
> + * @reserved : reserved param
> + */
> +struct vdec_vpu_ipi_get_param_ack {
> + u32 msg_id;
> + s32 status;
> + u64 ap_inst_addr;
> + u32 data[4];
> + u32 param_type;
> + u32 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 7210061c772f..35f4d5583084 100644
> --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
> +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
> @@ -6,6 +6,7 @@
>
> #include "mtk_vcodec_drv.h"
> #include "mtk_vcodec_util.h"
> +#include "vdec_drv_if.h"
> #include "vdec_ipi_msg.h"
> #include "vdec_vpu_if.h"
> #include "mtk_vcodec_fw.h"
> @@ -54,6 +55,26 @@ 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 GET_PARAM_PIC_INFO:
> + 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 +241,31 @@ 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 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;
> + memcpy(msg.data, data, sizeof(unsigned int) * len);
> + 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..d1feba41dd39 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;
This structure member is added in this patch, but never set or used.
> + 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
