diff options
Diffstat (limited to 'drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.h')
| -rw-r--r-- | drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.h b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.h new file mode 100644 index 0000000000..fbb3f34a73 --- /dev/null +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.h @@ -0,0 +1,120 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: PC Chen <pc.chen@mediatek.com> + */ + +#ifndef _VDEC_VPU_IF_H_ +#define _VDEC_VPU_IF_H_ + +struct mtk_vcodec_dec_ctx; + +/** + * struct vdec_vpu_inst - VPU instance for video codec + * @id : ipi msg id for each decoder + * @core_id : core id used to separate different hardware + * @vsi : driver structure allocated by VPU side and shared to AP side + * for control and info share + * @failure : VPU execution result status, 0: success, others: fail + * @inst_addr : VPU decoder instance address + * @fw_abi_version : ABI version of the firmware. + * @inst_id : if fw_abi_version >= 2, contains the instance ID to be given + * in place of inst_addr in messages. + * @signaled : 1 - Host has received ack message from VPU, 0 - not received + * @ctx : context for v4l2 layer integration + * @dev : platform device of VPU + * @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; + int core_id; + void *vsi; + int32_t failure; + uint32_t inst_addr; + uint32_t fw_abi_version; + uint32_t inst_id; + unsigned int signaled; + struct mtk_vcodec_dec_ctx *ctx; + wait_queue_head_t wq; + mtk_vcodec_ipi_handler handler; + unsigned int codec_type; + unsigned int capture_type; + unsigned int fb_sz[2]; +}; + +/** + * vpu_dec_init - init decoder instance and allocate required resource in VPU. + * + * @vpu: instance for vdec_vpu_inst + */ +int vpu_dec_init(struct vdec_vpu_inst *vpu); + +/** + * vpu_dec_start - start decoding, basically the function will be invoked once + * every frame. + * + * @vpu : instance for vdec_vpu_inst + * @data: meta data to pass bitstream info to VPU decoder + * @len : meta data length + */ +int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len); + +/** + * vpu_dec_end - end decoding, basically the function will be invoked once + * when HW decoding done interrupt received successfully. The + * decoder in VPU will continue to do reference frame management + * and check if there is a new decoded frame available to display. + * + * @vpu : instance for vdec_vpu_inst + */ +int vpu_dec_end(struct vdec_vpu_inst *vpu); + +/** + * vpu_dec_deinit - deinit decoder instance and resource freed in VPU. + * + * @vpu: instance for vdec_vpu_inst + */ +int vpu_dec_deinit(struct vdec_vpu_inst *vpu); + +/** + * vpu_dec_reset - reset decoder, use for flush decoder when end of stream or + * seek. Remainig non displayed frame will be pushed to display. + * + * @vpu: instance for vdec_vpu_inst + */ +int vpu_dec_reset(struct vdec_vpu_inst *vpu); + +/** + * vpu_dec_core - core start decoding, basically the function will be invoked once + * every frame. + * + * @vpu : instance for vdec_vpu_inst + */ +int vpu_dec_core(struct vdec_vpu_inst *vpu); + +/** + * vpu_dec_core_end - core end decoding, basically the function will be invoked once + * when core HW decoding done and receive interrupt successfully. The + * decoder in VPU will updata hardware information and deinit hardware + * and check if there is a new decoded frame available to display. + * + * @vpu : instance for vdec_vpu_inst + */ +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 |