[PATCH v1, 12/12] media: mtk-vcodec: Add h264 slice api driver for mt8192
Yunfei Dong
yunfei.dong at mediatek.com
Tue Dec 14 22:59:26 PST 2021
From: Yunfei Dong <yunfei.dong at mediatek.corp-partner.google.com>
Adds h264 lat and core driver for mt8192.
Signed-off-by: Yunfei Dong <yunfei.dong at mediatek.com>
---
drivers/media/platform/mtk-vcodec/Makefile | 1 +
.../mtk-vcodec/vdec/vdec_h264_req_lat_if.c | 620 ++++++++++++++++++
.../media/platform/mtk-vcodec/vdec_drv_if.c | 8 +-
.../media/platform/mtk-vcodec/vdec_drv_if.h | 1 +
include/linux/remoteproc/mtk_scp.h | 2 +
5 files changed, 631 insertions(+), 1 deletion(-)
create mode 100644 drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_lat_if.c
diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile
index 3f41d748eee5..1777d7606f0d 100644
--- a/drivers/media/platform/mtk-vcodec/Makefile
+++ b/drivers/media/platform/mtk-vcodec/Makefile
@@ -10,6 +10,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
vdec/vdec_vp9_if.o \
vdec/vdec_h264_req_if.o \
vdec/vdec_h264_req_common.o \
+ vdec/vdec_h264_req_lat_if.o \
mtk_vcodec_dec_drv.o \
vdec_drv_if.o \
vdec_vpu_if.o \
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_lat_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_lat_if.c
new file mode 100644
index 000000000000..403d7df00e1d
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_lat_if.c
@@ -0,0 +1,620 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Author: Yunfei Dong <yunfei.dong at mediatek.com>
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <media/v4l2-h264.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "../mtk_vcodec_util.h"
+#include "../mtk_vcodec_dec.h"
+#include "../mtk_vcodec_intr.h"
+#include "../vdec_drv_base.h"
+#include "../vdec_drv_if.h"
+#include "../vdec_vpu_if.h"
+#include "vdec_h264_req_common.h"
+
+/**
+ * enum vdec_h264_core_dec_err_type - core decode error type
+ */
+enum vdec_h264_core_dec_err_type {
+ TRANS_BUFFER_FULL = 1,
+ SLICE_HEADER_FULL,
+};
+
+/**
+ * struct vdec_h264_slice_lat_dec_param - parameters for decode current frame
+ * @sps : h264 sps syntax parameters
+ * @pps : h264 pps syntax parameters
+ * @slice_header: h264 slice header syntax parameters
+ * @scaling_matrix : h264 scaling list parameters
+ * @decode_params : decoder parameters of each frame used for hardware decode
+ * @h264_dpb_info : dpb reference list
+ */
+struct vdec_h264_slice_lat_dec_param {
+ struct mtk_h264_sps_param sps;
+ struct mtk_h264_pps_param pps;
+ struct mtk_h264_slice_hd_param slice_header;
+ struct slice_api_h264_scaling_matrix scaling_matrix;
+ struct slice_api_h264_decode_param decode_params;
+ struct mtk_h264_dpb_info h264_dpb_info[V4L2_H264_NUM_DPB_ENTRIES];
+};
+
+/**
+ * struct vdec_h264_slice_info - decode information
+ * @nal_info : nal info of current picture
+ * @timeout : Decode timeout: 1 timeout, 0 no timeount
+ * @bs_buf_size : bitstream size
+ * @bs_buf_addr : bitstream buffer dma address
+ * @y_fb_dma : Y frame buffer dma address
+ * @c_fb_dma : C frame buffer dma address
+ * @vdec_fb_va : VDEC frame buffer struct virtual address
+ * @crc : Used to check whether hardware's status is right
+ */
+struct vdec_h264_slice_info {
+ uint16_t nal_info;
+ uint16_t timeout;
+ uint32_t bs_buf_size;
+ uint64_t bs_buf_addr;
+ uint64_t y_fb_dma;
+ uint64_t c_fb_dma;
+ uint64_t vdec_fb_va;
+ uint32_t crc[8];
+};
+
+/**
+ * struct vdec_h264_slice_vsi - shared memory for decode information exchange
+ * between VPU and Host. The memory is allocated by VPU then mapping to
+ * Host in vdec_h264_slice_init() and freed in vdec_h264_slice_deinit()
+ * by VPU. AP-W/R : AP is writer/reader on this item. VPU-W/R: VPU is
+ * write/reader on this item.
+ * @wdma_err_addr : wdma error dma address
+ * @wdma_start_addr : wdma start dma address
+ * @wdma_end_addr : wdma end dma address
+ * @slice_bc_start_addr : slice bc start dma address
+ * @slice_bc_end_addr : slice bc end dma address
+ * @row_info_start_addr : row info start dma address
+ * @row_info_end_addr : row info end dma address
+ * @trans_start : trans start dma address
+ * @trans_end : trans end dma address
+ * @wdma_end_addr_offset: wdma end address offset
+ * @mv_buf_dma : HW working motion vector buffer
+ * dma address (AP-W, VPU-R)
+ * @dec : decode information (AP-R, VPU-W)
+ * @h264_slice_params : decode parameters for hw used
+ */
+struct vdec_h264_slice_vsi {
+ /* LAT dec addr */
+ uint64_t wdma_err_addr;
+ uint64_t wdma_start_addr;
+ uint64_t wdma_end_addr;
+ uint64_t slice_bc_start_addr;
+ uint64_t slice_bc_end_addr;
+ uint64_t row_info_start_addr;
+ uint64_t row_info_end_addr;
+ uint64_t trans_start;
+ uint64_t trans_end;
+ uint64_t wdma_end_addr_offset;
+
+ uint64_t mv_buf_dma[H264_MAX_MV_NUM];
+ struct vdec_h264_slice_info dec;
+ struct vdec_h264_slice_lat_dec_param h264_slice_params;
+};
+
+/**
+ * struct vdec_h264_slice_share_info - shared information used to exchange
+ * message between lat and core
+ * @sps : sequence header information from user space
+ * @dec_params : decoder params from user space
+ * @h264_slice_params : decoder params used for hardware
+ * @trans_start : trans start dma address
+ * @trans_end : trans end dma address
+ * @nal_info : nal info of current picture
+ */
+struct vdec_h264_slice_share_info {
+ struct v4l2_ctrl_h264_sps sps;
+ struct v4l2_ctrl_h264_decode_params dec_params;
+ struct vdec_h264_slice_lat_dec_param h264_slice_params;
+ uint64_t trans_start;
+ uint64_t trans_end;
+ uint16_t nal_info;
+};
+
+/**
+ * struct vdec_h264_slice_inst - h264 decoder instance
+ * @num_nalu : how many nalus be decoded
+ * @ctx : point to mtk_vcodec_ctx
+ * @pred_buf : HW working predication buffer
+ * @mv_buf : HW working motion vector buffer
+ * @vpu : VPU instance
+ * @vsi : vsi used for lat
+ * @vsi_core : vsi used for core
+ * @resolution_changed : resolution changed
+ * @realloc_mv_buf : reallocate mv buffer
+ * @cap_num_planes : number of capture queue plane
+ */
+struct vdec_h264_slice_inst {
+ unsigned int num_nalu;
+ struct mtk_vcodec_ctx *ctx;
+ struct mtk_vcodec_mem pred_buf;
+ struct mtk_vcodec_mem mv_buf[H264_MAX_MV_NUM];
+ struct vdec_vpu_inst vpu;
+ struct vdec_h264_slice_vsi *vsi;
+ struct vdec_h264_slice_vsi *vsi_core;
+
+ unsigned int resolution_changed;
+ unsigned int realloc_mv_buf;
+ unsigned int cap_num_planes;
+
+ struct v4l2_h264_dpb_entry dpb[16];
+};
+
+static void vdec_h264_slice_fill_decode_parameters(
+ struct vdec_h264_slice_inst *inst,
+ struct vdec_h264_slice_share_info *share_info)
+{
+ struct vdec_h264_slice_lat_dec_param *slice_param =
+ &inst->vsi->h264_slice_params;
+ const struct v4l2_ctrl_h264_decode_params *dec_params =
+ mtk_vdec_h264_get_ctrl_ptr(inst->ctx,
+ V4L2_CID_STATELESS_H264_DECODE_PARAMS);
+ const struct v4l2_ctrl_h264_scaling_matrix *src_matrix =
+ mtk_vdec_h264_get_ctrl_ptr(inst->ctx,
+ V4L2_CID_STATELESS_H264_SCALING_MATRIX);
+ const struct v4l2_ctrl_h264_sps *sps =
+ mtk_vdec_h264_get_ctrl_ptr(inst->ctx,
+ V4L2_CID_STATELESS_H264_SPS);
+ const struct v4l2_ctrl_h264_pps *pps =
+ mtk_vdec_h264_get_ctrl_ptr(inst->ctx,
+ V4L2_CID_STATELESS_H264_PPS);
+
+ mtk_vdec_h264_copy_sps_params(&slice_param->sps,sps);
+ mtk_vdec_h264_copy_pps_params(&slice_param->pps, pps);
+ mtk_vdec_h264_copy_scaling_matrix(
+ &slice_param->scaling_matrix, src_matrix);
+
+ memcpy(&share_info->sps, sps, sizeof(*sps));
+ memcpy(&share_info->dec_params, dec_params, sizeof(*dec_params));
+}
+
+/*
+ * The firmware expects unused reflist entries to have the value 0x20.
+ */
+static void fixup_ref_list(u8 *ref_list, size_t num_valid)
+{
+ memset(&ref_list[num_valid], 0x20, 32 - num_valid);
+}
+
+static void vdec_h264_slice_fill_decode_reflist(
+ struct vdec_h264_slice_inst *inst,
+ struct vdec_h264_slice_lat_dec_param *slice_param,
+ struct vdec_h264_slice_share_info *share_info)
+{
+ struct v4l2_ctrl_h264_decode_params *dec_params = &share_info->dec_params;
+ struct v4l2_ctrl_h264_sps *sps = &share_info->sps;
+ struct v4l2_h264_reflist_builder reflist_builder;
+ u8 *p0_reflist = slice_param->decode_params.ref_pic_list_p0;
+ u8 *b0_reflist = slice_param->decode_params.ref_pic_list_b0;
+ u8 *b1_reflist = slice_param->decode_params.ref_pic_list_b1;
+
+ mtk_vdec_h264_update_dpb(dec_params, inst->dpb);
+
+ mtk_vdec_h264_copy_decode_params(&slice_param->decode_params, dec_params,
+ inst->dpb);
+ mtk_vdec_h264_fill_dpb_info(inst->ctx, &slice_param->decode_params,
+ slice_param->h264_dpb_info);
+
+ mtk_v4l2_debug(3, "cur poc = %d\n", dec_params->bottom_field_order_cnt);
+ /* Build the reference lists */
+ v4l2_h264_init_reflist_builder(&reflist_builder, dec_params, sps,
+ inst->dpb);
+ v4l2_h264_build_p_ref_list(&reflist_builder, p0_reflist);
+ v4l2_h264_build_b_ref_lists(&reflist_builder, b0_reflist, b1_reflist);
+
+ /* Adapt the built lists to the firmware's expectations */
+ fixup_ref_list(p0_reflist, reflist_builder.num_valid);
+ fixup_ref_list(b0_reflist, reflist_builder.num_valid);
+ fixup_ref_list(b1_reflist, reflist_builder.num_valid);
+}
+
+static int vdec_h264_slice_alloc_mv_buf(struct vdec_h264_slice_inst *inst,
+ struct vdec_pic_info *pic)
+{
+ int i;
+ int err;
+ struct mtk_vcodec_mem *mem;
+ unsigned int buf_sz = mtk_vdec_h264_get_mv_buf_size(
+ pic->buf_w, pic->buf_h);
+
+ mtk_v4l2_debug(3, "size = 0x%x", buf_sz);
+ for (i = 0; i < H264_MAX_MV_NUM; i++) {
+ mem = &inst->mv_buf[i];
+ if (mem->va)
+ mtk_vcodec_mem_free(inst->ctx, mem);
+ mem->size = buf_sz;
+ err = mtk_vcodec_mem_alloc(inst->ctx, mem);
+ if (err) {
+ mtk_vcodec_err(inst, "failed to allocate mv buf");
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static void vdec_h264_slice_free_mv_buf(struct vdec_h264_slice_inst *inst)
+{
+ int i;
+ struct mtk_vcodec_mem *mem;
+
+ for (i = 0; i < H264_MAX_MV_NUM; i++) {
+ mem = &inst->mv_buf[i];
+ if (mem->va)
+ mtk_vcodec_mem_free(inst->ctx, mem);
+ }
+}
+
+static void vdec_h264_slice_get_pic_info(struct vdec_h264_slice_inst *inst)
+{
+ struct mtk_vcodec_ctx *ctx = inst->ctx;
+ unsigned int data[3];
+
+ data[0] = ctx->picinfo.pic_w;
+ data[1] = ctx->picinfo.pic_h;
+ data[2] = ctx->capture_fourcc;
+ vpu_dec_get_param(&inst->vpu, data, 3, GET_PARAM_PIC_INFO);
+
+ ctx->picinfo.buf_w = ALIGN(ctx->picinfo.pic_w, 64);
+ ctx->picinfo.buf_h = ALIGN(ctx->picinfo.pic_h, 64);
+ ctx->picinfo.fb_sz[0] = inst->vpu.fb_sz[0];
+ ctx->picinfo.fb_sz[1] = inst->vpu.fb_sz[1];
+ inst->cap_num_planes =
+ ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
+
+ mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
+ ctx->picinfo.pic_w, ctx->picinfo.pic_h,
+ ctx->picinfo.buf_w, ctx->picinfo.buf_h);
+ mtk_vcodec_debug(inst, "Y/C(%d, %d)", ctx->picinfo.fb_sz[0],
+ ctx->picinfo.fb_sz[1]);
+
+ if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
+ (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h)) {
+ inst->resolution_changed = true;
+ if ((ctx->last_decoded_picinfo.buf_w != ctx->picinfo.buf_w) ||
+ (ctx->last_decoded_picinfo.buf_h != ctx->picinfo.buf_h))
+ inst->realloc_mv_buf = true;
+
+ mtk_v4l2_debug(1, "resChg: (%d %d) : old(%d, %d) -> new(%d, %d)",
+ inst->resolution_changed,
+ inst->realloc_mv_buf,
+ ctx->last_decoded_picinfo.pic_w,
+ ctx->last_decoded_picinfo.pic_h,
+ ctx->picinfo.pic_w, ctx->picinfo.pic_h);
+ }
+}
+
+static void vdec_h264_slice_get_crop_info(struct vdec_h264_slice_inst *inst,
+ struct v4l2_rect *cr)
+{
+ cr->left = 0;
+ cr->top = 0;
+ cr->width = inst->ctx->picinfo.pic_w;
+ cr->height = inst->ctx->picinfo.pic_h;
+
+ mtk_vcodec_debug(inst, "l=%d, t=%d, w=%d, h=%d",
+ cr->left, cr->top, cr->width, cr->height);
+}
+
+static int vdec_h264_slice_init(struct mtk_vcodec_ctx *ctx)
+{
+ struct vdec_h264_slice_inst *inst;
+ int err, vsi_size;
+
+ inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+ if (!inst)
+ return -ENOMEM;
+
+ inst->ctx = ctx;
+
+ inst->vpu.id = SCP_IPI_VDEC_LAT;
+ inst->vpu.core_id = SCP_IPI_VDEC_CORE;
+ inst->vpu.ctx = ctx;
+ inst->vpu.codec_type = ctx->current_codec;
+ inst->vpu.capture_type = ctx->capture_fourcc;
+
+ err = vpu_dec_init(&inst->vpu);
+ if (err) {
+ mtk_vcodec_err(inst, "vdec_h264 init err=%d", err);
+ goto error_free_inst;
+ }
+
+ vsi_size = round_up(sizeof(struct vdec_h264_slice_vsi), 64);
+ inst->vsi = inst->vpu.vsi;
+ inst->vsi_core =
+ (struct vdec_h264_slice_vsi *)(((char *)inst->vpu.vsi) + vsi_size);
+ inst->resolution_changed = true;
+ inst->realloc_mv_buf = true;
+
+ mtk_vcodec_debug(inst, "lat struct size = %d,%d,%d,%d vsi: %d\n",
+ (int)sizeof(struct mtk_h264_sps_param),
+ (int)sizeof(struct mtk_h264_pps_param),
+ (int)sizeof(struct vdec_h264_slice_lat_dec_param),
+ (int)sizeof(struct mtk_h264_dpb_info),
+ vsi_size);
+ mtk_vcodec_debug(inst, "lat H264 instance >> %p, codec_type = 0x%x",
+ inst, inst->vpu.codec_type);
+
+ ctx->drv_handle = inst;
+ return 0;
+
+error_free_inst:
+ kfree(inst);
+ return err;
+}
+
+static void vdec_h264_slice_deinit(void *h_vdec)
+{
+ struct vdec_h264_slice_inst *inst = h_vdec;
+
+ mtk_vcodec_debug_enter(inst);
+
+ vpu_dec_deinit(&inst->vpu);
+ vdec_h264_slice_free_mv_buf(inst);
+ vdec_msg_queue_deinit(&inst->ctx->msg_queue, inst->ctx);
+
+ kfree(inst);
+}
+
+static int vdec_h264_slice_core_decode(struct vdec_lat_buf *lat_buf)
+{
+ struct vdec_fb *fb;
+ uint64_t vdec_fb_va;
+ uint64_t y_fb_dma, c_fb_dma;
+ int err, timeout, i, dec_err;
+ struct vdec_vpu_inst *vpu;
+ struct mtk_vcodec_ctx *ctx = lat_buf->ctx;
+ struct vdec_h264_slice_inst *inst = ctx->drv_handle;
+ struct vb2_v4l2_buffer *vb2_v4l2;
+ struct vdec_h264_slice_share_info *share_info = lat_buf->private_data;
+ struct mtk_vcodec_mem *mem;
+
+ mtk_vcodec_debug(inst, "[h264-core] vdec_h264 core decode");
+ memcpy(&inst->vsi_core->h264_slice_params, &share_info->h264_slice_params,
+ sizeof(share_info->h264_slice_params));
+ fb = ctx->dev->vdec_pdata->get_cap_buffer(ctx);
+ vpu = &inst->vpu;
+ vdec_fb_va = (unsigned long)fb;
+ y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0;
+
+ if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1)
+ c_fb_dma =
+ y_fb_dma + inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h;
+ else
+ c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
+
+ mtk_vcodec_debug(inst, "[h264-core] y/c addr = 0x%llx 0x%llx", y_fb_dma,
+ c_fb_dma);
+
+ inst->vsi_core->dec.y_fb_dma = y_fb_dma;
+ inst->vsi_core->dec.c_fb_dma = c_fb_dma;
+ inst->vsi_core->dec.vdec_fb_va = vdec_fb_va;
+ inst->vsi_core->dec.nal_info = share_info->nal_info;
+ inst->vsi_core->wdma_start_addr =
+ lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
+ inst->vsi_core->wdma_end_addr =
+ lat_buf->ctx->msg_queue.wdma_addr.dma_addr +
+ lat_buf->ctx->msg_queue.wdma_addr.size;
+ inst->vsi_core->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr;
+ inst->vsi_core->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr;
+ inst->vsi_core->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr +
+ lat_buf->slice_bc_addr.size;
+ inst->vsi_core->trans_start = share_info->trans_start;
+ inst->vsi_core->trans_end = share_info->trans_end;
+ for (i = 0; i < H264_MAX_MV_NUM; i++) {
+ mem = &inst->mv_buf[i];
+ inst->vsi_core->mv_buf_dma[i] = mem->dma_addr;
+ }
+
+ vb2_v4l2 = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+ vb2_v4l2->vb2_buf.timestamp = lat_buf->ts_info.vb2_buf.timestamp;
+ vb2_v4l2->timecode = lat_buf->ts_info.timecode;
+ vb2_v4l2->field = lat_buf->ts_info.field;
+ vb2_v4l2->flags = lat_buf->ts_info.flags;
+ vb2_v4l2->vb2_buf.copied_timestamp =
+ lat_buf->ts_info.vb2_buf.copied_timestamp;
+
+ vdec_h264_slice_fill_decode_reflist(inst,
+ &inst->vsi_core->h264_slice_params, share_info);
+
+ err = vpu_dec_core(vpu);
+ if (err) {
+ dec_err = 1;
+ mtk_vcodec_err(inst, "core decode err=%d", err);
+ goto vdec_dec_end;
+ } else {
+ dec_err = 0;
+ }
+
+ /* wait decoder done interrupt */
+ timeout = mtk_vcodec_wait_for_done_ctx(
+ inst->ctx, MTK_INST_IRQ_RECEIVED,
+ WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
+ if (timeout)
+ mtk_vcodec_err(inst, "core decode timeout: pic_%d",
+ ctx->decoded_frame_cnt);
+ inst->vsi_core->dec.timeout = !!timeout;
+
+ vpu_dec_core_end(vpu);
+ mtk_vcodec_debug(inst, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
+ ctx->decoded_frame_cnt,
+ inst->vsi_core->dec.crc[0], inst->vsi_core->dec.crc[1],
+ inst->vsi_core->dec.crc[2], inst->vsi_core->dec.crc[3],
+ inst->vsi_core->dec.crc[4], inst->vsi_core->dec.crc[5],
+ inst->vsi_core->dec.crc[6], inst->vsi_core->dec.crc[7]);
+vdec_dec_end:
+ vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue,
+ inst->vsi_core->trans_end);
+ ctx->dev->vdec_pdata->cap_to_disp(ctx, fb, dec_err);
+ mtk_vcodec_debug(inst, "core decode done err=%d", err);
+ ctx->decoded_frame_cnt++;
+
+ return 0;
+}
+
+static int vdec_h264_slice_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
+ struct vdec_fb *fb, bool *res_chg)
+{
+ struct vdec_h264_slice_inst *inst = h_vdec;
+ struct vdec_vpu_inst *vpu = &inst->vpu;
+ struct mtk_video_dec_buf *src_buf_info;
+ int nal_start_idx, err, timeout = 0, i;
+ unsigned int nal_type, data[2];
+ struct vdec_lat_buf *lat_buf;
+ struct vdec_h264_slice_share_info *share_info;
+ unsigned char *buf;
+ struct mtk_vcodec_mem *mem;
+
+ mtk_vcodec_debug(inst, "+ [%d] ", ++inst->num_nalu);
+
+ if (vdec_msg_queue_init(&inst->ctx->msg_queue, inst->ctx,
+ vdec_h264_slice_core_decode, sizeof(*share_info)))
+ return -ENOMEM;
+
+ /* bs NULL means flush decoder */
+ if (!bs) {
+ vdec_msg_queue_wait_lat_buf_full(&inst->ctx->msg_queue);
+ return vpu_dec_reset(vpu);
+ }
+
+ lat_buf = vdec_msg_queue_dqbuf(&inst->ctx->msg_queue.lat_ctx);
+ if (!lat_buf) {
+ mtk_vcodec_err(inst, "failed to get lat buffer");
+ return -EINVAL;
+ }
+ share_info = lat_buf->private_data;
+ src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer);
+
+ buf = (unsigned char *)bs->va;
+ nal_start_idx = mtk_vdec_h264_find_start_code(buf, bs->size);
+ if (nal_start_idx < 0) {
+ err = -EINVAL;
+ goto err_free_fb_out;
+ }
+
+ inst->vsi->dec.nal_info = buf[nal_start_idx];
+ nal_type = NAL_TYPE(buf[nal_start_idx]);
+ mtk_vcodec_debug(inst, "\n + NALU[%d] type %d +\n", inst->num_nalu,
+ nal_type);
+
+ inst->vsi->dec.bs_buf_addr = (uint64_t)bs->dma_addr;
+ inst->vsi->dec.bs_buf_size = bs->size;
+
+ v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb,
+ &lat_buf->ts_info, true);
+
+ vdec_h264_slice_fill_decode_parameters(inst, share_info);
+ *res_chg = inst->resolution_changed;
+ if (inst->resolution_changed) {
+ mtk_vcodec_debug(inst, "- resolution changed -");
+ if (inst->realloc_mv_buf) {
+ err = vdec_h264_slice_alloc_mv_buf(inst, &inst->ctx->picinfo);
+ inst->realloc_mv_buf = false;
+ if (err)
+ goto err_free_fb_out;
+ }
+ inst->resolution_changed = false;
+ }
+ for (i = 0; i < H264_MAX_MV_NUM; i++) {
+ mem = &inst->mv_buf[i];
+ inst->vsi->mv_buf_dma[i] = mem->dma_addr;
+ }
+ inst->vsi->wdma_start_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
+ inst->vsi->wdma_end_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr +
+ lat_buf->ctx->msg_queue.wdma_addr.size;
+ inst->vsi->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr;
+ inst->vsi->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr;
+ inst->vsi->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr +
+ lat_buf->slice_bc_addr.size;
+
+ inst->vsi->trans_end = inst->ctx->msg_queue.wdma_rptr_addr;
+ inst->vsi->trans_start = inst->ctx->msg_queue.wdma_wptr_addr;
+ mtk_vcodec_debug(inst, "lat:trans(0x%llx 0x%llx)err:0x%llx",
+ inst->vsi->wdma_start_addr,
+ inst->vsi->wdma_end_addr,
+ inst->vsi->wdma_err_addr);
+
+ mtk_vcodec_debug(inst, "slice(0x%llx 0x%llx) rprt((0x%llx 0x%llx))",
+ inst->vsi->slice_bc_start_addr,
+ inst->vsi->slice_bc_end_addr,
+ inst->vsi->trans_start,
+ inst->vsi->trans_end);
+ err = vpu_dec_start(vpu, data, 2);
+ if (err) {
+ mtk_vcodec_debug(inst, "lat decode err: %d", err);
+ goto err_free_fb_out;
+ }
+
+ if (nal_type == NAL_NON_IDR_SLICE || nal_type == NAL_IDR_SLICE) {
+ /* wait decoder done interrupt */
+ timeout = mtk_vcodec_wait_for_done_ctx(
+ inst->ctx, MTK_INST_IRQ_RECEIVED,
+ WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
+ inst->vsi->dec.timeout = !!timeout;
+ }
+ err = vpu_dec_end(vpu);
+ if (err == SLICE_HEADER_FULL || timeout || err == TRANS_BUFFER_FULL) {
+ err = -EINVAL;
+ goto err_free_fb_out;
+ }
+
+ share_info->trans_end = inst->ctx->msg_queue.wdma_addr.dma_addr +
+ inst->vsi->wdma_end_addr_offset;
+ share_info->trans_start = inst->ctx->msg_queue.wdma_wptr_addr;
+ share_info->nal_info = inst->vsi->dec.nal_info;
+ vdec_msg_queue_update_ube_wptr(&lat_buf->ctx->msg_queue,
+ share_info->trans_end);
+
+ memcpy(&share_info->h264_slice_params, &inst->vsi->h264_slice_params,
+ sizeof(share_info->h264_slice_params));
+ vdec_msg_queue_qbuf(&inst->ctx->dev->msg_queue_core_ctx, lat_buf);
+ mtk_vcodec_debug(inst, "- NALU[%d] type=%d -\n", inst->num_nalu,
+ nal_type);
+ return 0;
+
+err_free_fb_out:
+ mtk_vcodec_err(inst, "- NALU[%d] err=%d -\n", inst->num_nalu, err);
+ return err;
+}
+
+static int vdec_h264_slice_get_param(void *h_vdec,
+ enum vdec_get_param_type type, void *out)
+{
+ struct vdec_h264_slice_inst *inst = h_vdec;
+
+ switch (type) {
+ case GET_PARAM_PIC_INFO:
+ vdec_h264_slice_get_pic_info(inst);
+ break;
+ case GET_PARAM_DPB_SIZE:
+ *(unsigned int *)out = 6;
+ break;
+ case GET_PARAM_CROP_INFO:
+ vdec_h264_slice_get_crop_info(inst, out);
+ break;
+ default:
+ mtk_vcodec_err(inst, "invalid get parameter type=%d", type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+const struct vdec_common_if vdec_h264_slice_lat_if = {
+ .init = vdec_h264_slice_init,
+ .decode = vdec_h264_slice_decode,
+ .get_param = vdec_h264_slice_get_param,
+ .deinit = vdec_h264_slice_deinit,
+};
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
index c93dd0ea3537..c17a7815e1bb 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
@@ -20,7 +20,13 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
switch (fourcc) {
case V4L2_PIX_FMT_H264_SLICE:
- ctx->dec_if = &vdec_h264_slice_if;
+ if (ctx->dev->vdec_pdata->hw_arch == MTK_VDEC_PURE_SINGLE_CORE) {
+ ctx->dec_if = &vdec_h264_slice_if;
+ ctx->hw_id = MTK_VDEC_CORE;
+ } else {
+ ctx->dec_if = &vdec_h264_slice_lat_if;
+ ctx->hw_id = MTK_VDEC_LAT0;
+ }
break;
case V4L2_PIX_FMT_H264:
ctx->dec_if = &vdec_h264_if;
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.h b/drivers/media/platform/mtk-vcodec/vdec_drv_if.h
index d467e8af4a84..6ce848e74167 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.h
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.h
@@ -56,6 +56,7 @@ struct vdec_fb_node {
extern const struct vdec_common_if vdec_h264_if;
extern const struct vdec_common_if vdec_h264_slice_if;
+extern const struct vdec_common_if vdec_h264_slice_lat_if;
extern const struct vdec_common_if vdec_vp8_if;
extern const struct vdec_common_if vdec_vp9_if;
diff --git a/include/linux/remoteproc/mtk_scp.h b/include/linux/remoteproc/mtk_scp.h
index b47416f7aeb8..a32ffd736e7b 100644
--- a/include/linux/remoteproc/mtk_scp.h
+++ b/include/linux/remoteproc/mtk_scp.h
@@ -41,6 +41,8 @@ enum scp_ipi_id {
SCP_IPI_ISP_FRAME,
SCP_IPI_FD_CMD,
SCP_IPI_CROS_HOST_CMD,
+ SCP_IPI_VDEC_LAT,
+ SPC_IPI_VDEC_CORE,
SCP_IPI_NS_SERVICE = 0xFF,
SCP_IPI_MAX = 0x100,
};
--
2.25.1
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