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path: root/drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c
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Diffstat (limited to 'drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c')
-rw-r--r--drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c814
1 files changed, 814 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c b/drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c
new file mode 100644
index 000000000000..a68dac72c4e4
--- /dev/null
+++ b/drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c
@@ -0,0 +1,814 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Jungchang Tsao <jungchang.tsao@mediatek.com>
+ * Daniel Hsiao <daniel.hsiao@mediatek.com>
+ * PoChun Lin <pochun.lin@mediatek.com>
+ */
+
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include "../mtk_vcodec_enc_drv.h"
+#include "../../common/mtk_vcodec_intr.h"
+#include "../mtk_vcodec_enc.h"
+#include "../mtk_vcodec_enc_pm.h"
+#include "../venc_drv_base.h"
+#include "../venc_ipi_msg.h"
+#include "../venc_vpu_if.h"
+
+static const char h264_filler_marker[] = {0x0, 0x0, 0x0, 0x1, 0xc};
+
+#define H264_FILLER_MARKER_SIZE ARRAY_SIZE(h264_filler_marker)
+#define VENC_PIC_BITSTREAM_BYTE_CNT 0x0098
+
+/*
+ * enum venc_h264_frame_type - h264 encoder output bitstream frame type
+ */
+enum venc_h264_frame_type {
+ VENC_H264_IDR_FRM,
+ VENC_H264_I_FRM,
+ VENC_H264_P_FRM,
+ VENC_H264_B_FRM,
+};
+
+/*
+ * enum venc_h264_vpu_work_buf - h264 encoder buffer index
+ */
+enum venc_h264_vpu_work_buf {
+ VENC_H264_VPU_WORK_BUF_RC_INFO,
+ VENC_H264_VPU_WORK_BUF_RC_CODE,
+ VENC_H264_VPU_WORK_BUF_REC_LUMA,
+ VENC_H264_VPU_WORK_BUF_REC_CHROMA,
+ VENC_H264_VPU_WORK_BUF_REF_LUMA,
+ VENC_H264_VPU_WORK_BUF_REF_CHROMA,
+ VENC_H264_VPU_WORK_BUF_MV_INFO_1,
+ VENC_H264_VPU_WORK_BUF_MV_INFO_2,
+ VENC_H264_VPU_WORK_BUF_SKIP_FRAME,
+ VENC_H264_VPU_WORK_BUF_MAX,
+};
+
+/*
+ * enum venc_h264_bs_mode - for bs_mode argument in h264_enc_vpu_encode
+ */
+enum venc_h264_bs_mode {
+ H264_BS_MODE_SPS,
+ H264_BS_MODE_PPS,
+ H264_BS_MODE_FRAME,
+};
+
+/*
+ * struct venc_h264_vpu_config - Structure for h264 encoder configuration
+ * AP-W/R : AP is writer/reader on this item
+ * VPU-W/R: VPU is write/reader on this item
+ * @input_fourcc: input fourcc
+ * @bitrate: target bitrate (in bps)
+ * @pic_w: picture width. Picture size is visible stream resolution, in pixels,
+ * to be used for display purposes; must be smaller or equal to buffer
+ * size.
+ * @pic_h: picture height
+ * @buf_w: buffer width. Buffer size is stream resolution in pixels aligned to
+ * hardware requirements.
+ * @buf_h: buffer height
+ * @gop_size: group of picture size (idr frame)
+ * @intra_period: intra frame period
+ * @framerate: frame rate in fps
+ * @profile: as specified in standard
+ * @level: as specified in standard
+ * @wfd: WFD mode 1:on, 0:off
+ */
+struct venc_h264_vpu_config {
+ u32 input_fourcc;
+ u32 bitrate;
+ u32 pic_w;
+ u32 pic_h;
+ u32 buf_w;
+ u32 buf_h;
+ u32 gop_size;
+ u32 intra_period;
+ u32 framerate;
+ u32 profile;
+ u32 level;
+ u32 wfd;
+};
+
+/*
+ * struct venc_h264_vpu_buf - Structure for buffer information
+ * AP-W/R : AP is writer/reader on this item
+ * VPU-W/R: VPU is write/reader on this item
+ * @iova: IO virtual address
+ * @vpua: VPU side memory addr which is used by RC_CODE
+ * @size: buffer size (in bytes)
+ */
+struct venc_h264_vpu_buf {
+ u32 iova;
+ u32 vpua;
+ u32 size;
+};
+
+/*
+ * struct venc_h264_vsi - Structure for VPU driver control and info share
+ * AP-W/R : AP is writer/reader on this item
+ * VPU-W/R: VPU is write/reader on this item
+ * This structure is allocated in VPU side and shared to AP side.
+ * @config: h264 encoder configuration
+ * @work_bufs: working buffer information in VPU side
+ * The work_bufs here is for storing the 'size' info shared to AP side.
+ * The similar item in struct venc_h264_inst is for memory allocation
+ * in AP side. The AP driver will copy the 'size' from here to the one in
+ * struct mtk_vcodec_mem, then invoke mtk_vcodec_mem_alloc to allocate
+ * the buffer. After that, bypass the 'dma_addr' to the 'iova' field here for
+ * register setting in VPU side.
+ */
+struct venc_h264_vsi {
+ struct venc_h264_vpu_config config;
+ struct venc_h264_vpu_buf work_bufs[VENC_H264_VPU_WORK_BUF_MAX];
+};
+
+/**
+ * struct venc_h264_vpu_config_ext - Structure for h264 encoder configuration
+ * AP-W/R : AP is writer/reader on this item
+ * VPU-W/R: VPU is write/reader on this item
+ * @input_fourcc: input fourcc
+ * @bitrate: target bitrate (in bps)
+ * @pic_w: picture width. Picture size is visible stream resolution, in pixels,
+ * to be used for display purposes; must be smaller or equal to buffer
+ * size.
+ * @pic_h: picture height
+ * @buf_w: buffer width. Buffer size is stream resolution in pixels aligned to
+ * hardware requirements.
+ * @buf_h: buffer height
+ * @gop_size: group of picture size (idr frame)
+ * @intra_period: intra frame period
+ * @framerate: frame rate in fps
+ * @profile: as specified in standard
+ * @level: as specified in standard
+ * @wfd: WFD mode 1:on, 0:off
+ * @max_qp: max quant parameter
+ * @min_qp: min quant parameter
+ * @reserved: reserved configs
+ */
+struct venc_h264_vpu_config_ext {
+ u32 input_fourcc;
+ u32 bitrate;
+ u32 pic_w;
+ u32 pic_h;
+ u32 buf_w;
+ u32 buf_h;
+ u32 gop_size;
+ u32 intra_period;
+ u32 framerate;
+ u32 profile;
+ u32 level;
+ u32 wfd;
+ u32 max_qp;
+ u32 min_qp;
+ u32 reserved[8];
+};
+
+/**
+ * struct venc_h264_vpu_buf_34 - Structure for 34-bit buffer information
+ * AP-W/R : AP is writer/reader on this item
+ * VPU-W/R: VPU is write/reader on this item
+ * @iova: 34-bit IO virtual address
+ * @vpua: VPU side memory addr which is used by RC_CODE
+ * @size: buffer size (in bytes)
+ */
+struct venc_h264_vpu_buf_34 {
+ u64 iova;
+ u32 vpua;
+ u32 size;
+};
+
+/**
+ * struct venc_h264_vsi_34 - Structure for VPU driver control and info share
+ * Used for 34-bit iova sharing
+ * @config: h264 encoder configuration
+ * @work_bufs: working buffer information in VPU side
+ */
+struct venc_h264_vsi_34 {
+ struct venc_h264_vpu_config_ext config;
+ struct venc_h264_vpu_buf_34 work_bufs[VENC_H264_VPU_WORK_BUF_MAX];
+};
+
+/*
+ * struct venc_h264_inst - h264 encoder AP driver instance
+ * @hw_base: h264 encoder hardware register base
+ * @work_bufs: working buffer
+ * @pps_buf: buffer to store the pps bitstream
+ * @work_buf_allocated: working buffer allocated flag
+ * @frm_cnt: encoded frame count
+ * @prepend_hdr: when the v4l2 layer send VENC_SET_PARAM_PREPEND_HEADER cmd
+ * through h264_enc_set_param interface, it will set this flag and prepend the
+ * sps/pps in h264_enc_encode function.
+ * @vpu_inst: VPU instance to exchange information between AP and VPU
+ * @vsi: driver structure allocated by VPU side and shared to AP side for
+ * control and info share
+ * @vsi_34: driver structure allocated by VPU side and shared to AP side for
+ * control and info share, used for 34-bit iova sharing.
+ * @ctx: context for v4l2 layer integration
+ */
+struct venc_h264_inst {
+ void __iomem *hw_base;
+ struct mtk_vcodec_mem work_bufs[VENC_H264_VPU_WORK_BUF_MAX];
+ struct mtk_vcodec_mem pps_buf;
+ bool work_buf_allocated;
+ unsigned int frm_cnt;
+ unsigned int skip_frm_cnt;
+ unsigned int prepend_hdr;
+ struct venc_vpu_inst vpu_inst;
+ struct venc_h264_vsi *vsi;
+ struct venc_h264_vsi_34 *vsi_34;
+ struct mtk_vcodec_enc_ctx *ctx;
+};
+
+static inline u32 h264_read_reg(struct venc_h264_inst *inst, u32 addr)
+{
+ return readl(inst->hw_base + addr);
+}
+
+static unsigned int h264_get_profile(struct venc_h264_inst *inst,
+ unsigned int profile)
+{
+ switch (profile) {
+ case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
+ return 66;
+ case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
+ return 77;
+ case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
+ return 100;
+ case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
+ mtk_venc_err(inst->ctx, "unsupported CONSTRAINED_BASELINE");
+ return 0;
+ case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED:
+ mtk_venc_err(inst->ctx, "unsupported EXTENDED");
+ return 0;
+ default:
+ mtk_venc_debug(inst->ctx, "unsupported profile %d", profile);
+ return 100;
+ }
+}
+
+static unsigned int h264_get_level(struct venc_h264_inst *inst,
+ unsigned int level)
+{
+ switch (level) {
+ case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
+ mtk_venc_err(inst->ctx, "unsupported 1B");
+ return 0;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
+ return 10;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
+ return 11;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
+ return 12;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
+ return 13;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
+ return 20;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
+ return 21;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
+ return 22;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
+ return 30;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
+ return 31;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
+ return 32;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
+ return 40;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
+ return 41;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
+ return 42;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
+ return 50;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
+ return 51;
+ default:
+ mtk_venc_debug(inst->ctx, "unsupported level %d", level);
+ return 31;
+ }
+}
+
+static void h264_enc_free_work_buf(struct venc_h264_inst *inst)
+{
+ int i;
+
+ /* Except the SKIP_FRAME buffers,
+ * other buffers need to be freed by AP.
+ */
+ for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) {
+ if (i != VENC_H264_VPU_WORK_BUF_SKIP_FRAME)
+ mtk_vcodec_mem_free(inst->ctx, &inst->work_bufs[i]);
+ }
+
+ mtk_vcodec_mem_free(inst->ctx, &inst->pps_buf);
+}
+
+static int h264_enc_alloc_work_buf(struct venc_h264_inst *inst, bool is_34bit)
+{
+ struct venc_h264_vpu_buf *wb = NULL;
+ struct venc_h264_vpu_buf_34 *wb_34 = NULL;
+ int i;
+ u32 vpua, wb_size;
+ int ret = 0;
+
+ if (is_34bit)
+ wb_34 = inst->vsi_34->work_bufs;
+ else
+ wb = inst->vsi->work_bufs;
+
+ for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) {
+ /*
+ * This 'wb' structure is set by VPU side and shared to AP for
+ * buffer allocation and IO virtual addr mapping. For most of
+ * the buffers, AP will allocate the buffer according to 'size'
+ * field and store the IO virtual addr in 'iova' field. There
+ * are two exceptions:
+ * (1) RC_CODE buffer, it's pre-allocated in the VPU side, and
+ * save the VPU addr in the 'vpua' field. The AP will translate
+ * the VPU addr to the corresponding IO virtual addr and store
+ * in 'iova' field for reg setting in VPU side.
+ * (2) SKIP_FRAME buffer, it's pre-allocated in the VPU side,
+ * and save the VPU addr in the 'vpua' field. The AP will
+ * translate the VPU addr to the corresponding AP side virtual
+ * address and do some memcpy access to move to bitstream buffer
+ * assigned by v4l2 layer.
+ */
+ if (is_34bit) {
+ inst->work_bufs[i].size = wb_34[i].size;
+ vpua = wb_34[i].vpua;
+ wb_size = wb_34[i].size;
+ } else {
+ inst->work_bufs[i].size = wb[i].size;
+ vpua = wb[i].vpua;
+ wb_size = wb[i].size;
+ }
+
+ if (i == VENC_H264_VPU_WORK_BUF_SKIP_FRAME) {
+ struct mtk_vcodec_fw *handler;
+
+ handler = inst->vpu_inst.ctx->dev->fw_handler;
+ inst->work_bufs[i].va =
+ mtk_vcodec_fw_map_dm_addr(handler, vpua);
+ inst->work_bufs[i].dma_addr = 0;
+ } else {
+ ret = mtk_vcodec_mem_alloc(inst->ctx,
+ &inst->work_bufs[i]);
+ if (ret) {
+ mtk_venc_err(inst->ctx, "cannot allocate buf %d", i);
+ goto err_alloc;
+ }
+ /*
+ * This RC_CODE is pre-allocated by VPU and saved in VPU
+ * addr. So we need use memcpy to copy RC_CODE from VPU
+ * addr into IO virtual addr in 'iova' field for reg
+ * setting in VPU side.
+ */
+ if (i == VENC_H264_VPU_WORK_BUF_RC_CODE) {
+ struct mtk_vcodec_fw *handler;
+ void *tmp_va;
+
+ handler = inst->vpu_inst.ctx->dev->fw_handler;
+ tmp_va = mtk_vcodec_fw_map_dm_addr(handler,
+ vpua);
+ memcpy(inst->work_bufs[i].va, tmp_va, wb_size);
+ }
+ }
+ if (is_34bit)
+ wb_34[i].iova = inst->work_bufs[i].dma_addr;
+ else
+ wb[i].iova = inst->work_bufs[i].dma_addr;
+
+ mtk_venc_debug(inst->ctx, "work_buf[%d] va=0x%p iova=%pad size=%zu",
+ i, inst->work_bufs[i].va,
+ &inst->work_bufs[i].dma_addr,
+ inst->work_bufs[i].size);
+ }
+
+ /* the pps_buf is used by AP side only */
+ inst->pps_buf.size = 128;
+ ret = mtk_vcodec_mem_alloc(inst->ctx, &inst->pps_buf);
+ if (ret) {
+ mtk_venc_err(inst->ctx, "cannot allocate pps_buf");
+ goto err_alloc;
+ }
+
+ return ret;
+
+err_alloc:
+ h264_enc_free_work_buf(inst);
+
+ return ret;
+}
+
+static unsigned int h264_enc_wait_venc_done(struct venc_h264_inst *inst)
+{
+ unsigned int irq_status = 0;
+ struct mtk_vcodec_enc_ctx *ctx = (struct mtk_vcodec_enc_ctx *)inst->ctx;
+
+ if (!mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
+ WAIT_INTR_TIMEOUT_MS, 0)) {
+ irq_status = ctx->irq_status;
+ mtk_venc_debug(ctx, "irq_status %x <-", irq_status);
+ }
+ return irq_status;
+}
+
+static int h264_frame_type(unsigned int frm_cnt, unsigned int gop_size,
+ unsigned int intra_period)
+{
+ if ((gop_size != 0 && (frm_cnt % gop_size) == 0) ||
+ (frm_cnt == 0 && gop_size == 0)) {
+ /* IDR frame */
+ return VENC_H264_IDR_FRM;
+ } else if ((intra_period != 0 && (frm_cnt % intra_period) == 0) ||
+ (frm_cnt == 0 && intra_period == 0)) {
+ /* I frame */
+ return VENC_H264_I_FRM;
+ } else {
+ return VENC_H264_P_FRM; /* Note: B frames are not supported */
+ }
+}
+
+static int h264_encode_sps(struct venc_h264_inst *inst,
+ struct mtk_vcodec_mem *bs_buf,
+ unsigned int *bs_size)
+{
+ int ret = 0;
+ unsigned int irq_status;
+
+ ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_SPS, NULL, bs_buf, NULL);
+ if (ret)
+ return ret;
+
+ irq_status = h264_enc_wait_venc_done(inst);
+ if (irq_status != MTK_VENC_IRQ_STATUS_SPS) {
+ mtk_venc_err(inst->ctx, "expect irq status %d", MTK_VENC_IRQ_STATUS_SPS);
+ return -EINVAL;
+ }
+
+ *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
+ mtk_venc_debug(inst->ctx, "bs size %d <-", *bs_size);
+
+ return ret;
+}
+
+static int h264_encode_pps(struct venc_h264_inst *inst,
+ struct mtk_vcodec_mem *bs_buf,
+ unsigned int *bs_size)
+{
+ int ret = 0;
+ unsigned int irq_status;
+
+ ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_PPS, NULL, bs_buf, NULL);
+ if (ret)
+ return ret;
+
+ irq_status = h264_enc_wait_venc_done(inst);
+ if (irq_status != MTK_VENC_IRQ_STATUS_PPS) {
+ mtk_venc_err(inst->ctx, "expect irq status %d", MTK_VENC_IRQ_STATUS_PPS);
+ return -EINVAL;
+ }
+
+ *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
+ mtk_venc_debug(inst->ctx, "bs size %d <-", *bs_size);
+
+ return ret;
+}
+
+static int h264_encode_header(struct venc_h264_inst *inst,
+ struct mtk_vcodec_mem *bs_buf,
+ unsigned int *bs_size)
+{
+ int ret = 0;
+ unsigned int bs_size_sps;
+ unsigned int bs_size_pps;
+
+ ret = h264_encode_sps(inst, bs_buf, &bs_size_sps);
+ if (ret)
+ return ret;
+
+ ret = h264_encode_pps(inst, &inst->pps_buf, &bs_size_pps);
+ if (ret)
+ return ret;
+
+ memcpy(bs_buf->va + bs_size_sps, inst->pps_buf.va, bs_size_pps);
+ *bs_size = bs_size_sps + bs_size_pps;
+
+ return ret;
+}
+
+static int h264_encode_frame(struct venc_h264_inst *inst,
+ struct venc_frm_buf *frm_buf,
+ struct mtk_vcodec_mem *bs_buf,
+ unsigned int *bs_size)
+{
+ int ret = 0;
+ unsigned int gop_size;
+ unsigned int intra_period;
+ unsigned int irq_status;
+ struct venc_frame_info frame_info;
+ struct mtk_vcodec_enc_ctx *ctx = inst->ctx;
+
+ mtk_venc_debug(ctx, "frm_cnt = %d\n ", inst->frm_cnt);
+
+ if (MTK_ENC_IOVA_IS_34BIT(ctx)) {
+ gop_size = inst->vsi_34->config.gop_size;
+ intra_period = inst->vsi_34->config.intra_period;
+ } else {
+ gop_size = inst->vsi->config.gop_size;
+ intra_period = inst->vsi->config.intra_period;
+ }
+ frame_info.frm_count = inst->frm_cnt;
+ frame_info.skip_frm_count = inst->skip_frm_cnt;
+ frame_info.frm_type = h264_frame_type(inst->frm_cnt, gop_size,
+ intra_period);
+ mtk_venc_debug(ctx, "frm_count = %d,skip_frm_count =%d,frm_type=%d.\n",
+ frame_info.frm_count, frame_info.skip_frm_count,
+ frame_info.frm_type);
+
+ ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_FRAME,
+ frm_buf, bs_buf, &frame_info);
+ if (ret)
+ return ret;
+
+ /*
+ * skip frame case: The skip frame buffer is composed by vpu side only,
+ * it does not trigger the hw, so skip the wait interrupt operation.
+ */
+ if (inst->vpu_inst.state == VEN_IPI_MSG_ENC_STATE_SKIP) {
+ *bs_size = inst->vpu_inst.bs_size;
+ memcpy(bs_buf->va,
+ inst->work_bufs[VENC_H264_VPU_WORK_BUF_SKIP_FRAME].va,
+ *bs_size);
+ ++inst->frm_cnt;
+ ++inst->skip_frm_cnt;
+ return 0;
+ }
+
+ irq_status = h264_enc_wait_venc_done(inst);
+ if (irq_status != MTK_VENC_IRQ_STATUS_FRM) {
+ mtk_venc_err(ctx, "irq_status=%d failed", irq_status);
+ return -EIO;
+ }
+
+ *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
+
+ ++inst->frm_cnt;
+ mtk_venc_debug(ctx, "frm %d bs_size %d key_frm %d <-",
+ inst->frm_cnt, *bs_size, inst->vpu_inst.is_key_frm);
+
+ return 0;
+}
+
+static void h264_encode_filler(struct venc_h264_inst *inst, void *buf,
+ int size)
+{
+ unsigned char *p = buf;
+
+ if (size < H264_FILLER_MARKER_SIZE) {
+ mtk_venc_err(inst->ctx, "filler size too small %d", size);
+ return;
+ }
+
+ memcpy(p, h264_filler_marker, ARRAY_SIZE(h264_filler_marker));
+ size -= H264_FILLER_MARKER_SIZE;
+ p += H264_FILLER_MARKER_SIZE;
+ memset(p, 0xff, size);
+}
+
+static int h264_enc_init(struct mtk_vcodec_enc_ctx *ctx)
+{
+ const bool is_ext = MTK_ENC_CTX_IS_EXT(ctx);
+ int ret = 0;
+ struct venc_h264_inst *inst;
+
+ inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+ if (!inst)
+ return -ENOMEM;
+
+ inst->ctx = ctx;
+ inst->vpu_inst.ctx = ctx;
+ inst->vpu_inst.id = is_ext ? SCP_IPI_VENC_H264 : IPI_VENC_H264;
+ inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx->dev->reg_base, VENC_SYS);
+
+ ret = vpu_enc_init(&inst->vpu_inst);
+
+ if (MTK_ENC_IOVA_IS_34BIT(ctx))
+ inst->vsi_34 = (struct venc_h264_vsi_34 *)inst->vpu_inst.vsi;
+ else
+ inst->vsi = (struct venc_h264_vsi *)inst->vpu_inst.vsi;
+
+ if (ret)
+ kfree(inst);
+ else
+ ctx->drv_handle = inst;
+
+ return ret;
+}
+
+static int h264_enc_encode(void *handle,
+ enum venc_start_opt opt,
+ struct venc_frm_buf *frm_buf,
+ struct mtk_vcodec_mem *bs_buf,
+ struct venc_done_result *result)
+{
+ int ret = 0;
+ struct venc_h264_inst *inst = (struct venc_h264_inst *)handle;
+ struct mtk_vcodec_enc_ctx *ctx = inst->ctx;
+
+ mtk_venc_debug(ctx, "opt %d ->", opt);
+
+ enable_irq(ctx->dev->enc_irq);
+
+ switch (opt) {
+ case VENC_START_OPT_ENCODE_SEQUENCE_HEADER: {
+ unsigned int bs_size_hdr;
+
+ ret = h264_encode_header(inst, bs_buf, &bs_size_hdr);
+ if (ret)
+ goto encode_err;
+
+ result->bs_size = bs_size_hdr;
+ result->is_key_frm = false;
+ break;
+ }
+
+ case VENC_START_OPT_ENCODE_FRAME: {
+ int hdr_sz;
+ int hdr_sz_ext;
+ int filler_sz = 0;
+ const int bs_alignment = 128;
+ struct mtk_vcodec_mem tmp_bs_buf;
+ unsigned int bs_size_hdr;
+ unsigned int bs_size_frm;
+
+ if (!inst->prepend_hdr) {
+ ret = h264_encode_frame(inst, frm_buf, bs_buf,
+ &result->bs_size);
+ if (ret)
+ goto encode_err;
+ result->is_key_frm = inst->vpu_inst.is_key_frm;
+ break;
+ }
+
+ mtk_venc_debug(ctx, "h264_encode_frame prepend SPS/PPS");
+
+ ret = h264_encode_header(inst, bs_buf, &bs_size_hdr);
+ if (ret)
+ goto encode_err;
+
+ hdr_sz = bs_size_hdr;
+ hdr_sz_ext = (hdr_sz & (bs_alignment - 1));
+ if (hdr_sz_ext) {
+ filler_sz = bs_alignment - hdr_sz_ext;
+ if (hdr_sz_ext + H264_FILLER_MARKER_SIZE > bs_alignment)
+ filler_sz += bs_alignment;
+ h264_encode_filler(inst, bs_buf->va + hdr_sz,
+ filler_sz);
+ }
+
+ tmp_bs_buf.va = bs_buf->va + hdr_sz + filler_sz;
+ tmp_bs_buf.dma_addr = bs_buf->dma_addr + hdr_sz + filler_sz;
+ tmp_bs_buf.size = bs_buf->size - (hdr_sz + filler_sz);
+
+ ret = h264_encode_frame(inst, frm_buf, &tmp_bs_buf,
+ &bs_size_frm);
+ if (ret)
+ goto encode_err;
+
+ result->bs_size = hdr_sz + filler_sz + bs_size_frm;
+
+ mtk_venc_debug(ctx, "hdr %d filler %d frame %d bs %d",
+ hdr_sz, filler_sz, bs_size_frm, result->bs_size);
+
+ inst->prepend_hdr = 0;
+ result->is_key_frm = inst->vpu_inst.is_key_frm;
+ break;
+ }
+
+ default:
+ mtk_venc_err(ctx, "venc_start_opt %d not supported", opt);
+ ret = -EINVAL;
+ break;
+ }
+
+encode_err:
+
+ disable_irq(ctx->dev->enc_irq);
+ mtk_venc_debug(ctx, "opt %d <-", opt);
+
+ return ret;
+}
+
+static void h264_enc_set_vsi_configs(struct venc_h264_inst *inst,
+ struct venc_enc_param *enc_prm)
+{
+ inst->vsi->config.input_fourcc = enc_prm->input_yuv_fmt;
+ inst->vsi->config.bitrate = enc_prm->bitrate;
+ inst->vsi->config.pic_w = enc_prm->width;
+ inst->vsi->config.pic_h = enc_prm->height;
+ inst->vsi->config.buf_w = enc_prm->buf_width;
+ inst->vsi->config.buf_h = enc_prm->buf_height;
+ inst->vsi->config.gop_size = enc_prm->gop_size;
+ inst->vsi->config.framerate = enc_prm->frm_rate;
+ inst->vsi->config.intra_period = enc_prm->intra_period;
+ inst->vsi->config.profile =
+ h264_get_profile(inst, enc_prm->h264_profile);
+ inst->vsi->config.level =
+ h264_get_level(inst, enc_prm->h264_level);
+ inst->vsi->config.wfd = 0;
+}
+
+static void h264_enc_set_vsi_34_configs(struct venc_h264_inst *inst,
+ struct venc_enc_param *enc_prm)
+{
+ inst->vsi_34->config.input_fourcc = enc_prm->input_yuv_fmt;
+ inst->vsi_34->config.bitrate = enc_prm->bitrate;
+ inst->vsi_34->config.pic_w = enc_prm->width;
+ inst->vsi_34->config.pic_h = enc_prm->height;
+ inst->vsi_34->config.buf_w = enc_prm->buf_width;
+ inst->vsi_34->config.buf_h = enc_prm->buf_height;
+ inst->vsi_34->config.gop_size = enc_prm->gop_size;
+ inst->vsi_34->config.framerate = enc_prm->frm_rate;
+ inst->vsi_34->config.intra_period = enc_prm->intra_period;
+ inst->vsi_34->config.profile =
+ h264_get_profile(inst, enc_prm->h264_profile);
+ inst->vsi_34->config.level =
+ h264_get_level(inst, enc_prm->h264_level);
+ inst->vsi_34->config.wfd = 0;
+}
+
+static int h264_enc_set_param(void *handle,
+ enum venc_set_param_type type,
+ struct venc_enc_param *enc_prm)
+{
+ int ret = 0;
+ struct venc_h264_inst *inst = (struct venc_h264_inst *)handle;
+ struct mtk_vcodec_enc_ctx *ctx = inst->ctx;
+ const bool is_34bit = MTK_ENC_IOVA_IS_34BIT(ctx);
+
+ mtk_venc_debug(ctx, "->type=%d", type);
+
+ switch (type) {
+ case VENC_SET_PARAM_ENC:
+ if (is_34bit)
+ h264_enc_set_vsi_34_configs(inst, enc_prm);
+ else
+ h264_enc_set_vsi_configs(inst, enc_prm);
+ ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
+ if (ret)
+ break;
+ if (inst->work_buf_allocated) {
+ h264_enc_free_work_buf(inst);
+ inst->work_buf_allocated = false;
+ }
+ ret = h264_enc_alloc_work_buf(inst, is_34bit);
+ if (ret)
+ break;
+ inst->work_buf_allocated = true;
+ break;
+
+ case VENC_SET_PARAM_PREPEND_HEADER:
+ inst->prepend_hdr = 1;
+ mtk_venc_debug(ctx, "set prepend header mode");
+ break;
+ case VENC_SET_PARAM_FORCE_INTRA:
+ case VENC_SET_PARAM_GOP_SIZE:
+ case VENC_SET_PARAM_INTRA_PERIOD:
+ inst->frm_cnt = 0;
+ inst->skip_frm_cnt = 0;
+ fallthrough;
+ default:
+ ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
+ break;
+ }
+
+ return ret;
+}
+
+static int h264_enc_deinit(void *handle)
+{
+ int ret = 0;
+ struct venc_h264_inst *inst = (struct venc_h264_inst *)handle;
+
+ ret = vpu_enc_deinit(&inst->vpu_inst);
+
+ if (inst->work_buf_allocated)
+ h264_enc_free_work_buf(inst);
+
+ kfree(inst);
+
+ return ret;
+}
+
+const struct venc_common_if venc_h264_if = {
+ .init = h264_enc_init,
+ .encode = h264_enc_encode,
+ .set_param = h264_enc_set_param,
+ .deinit = h264_enc_deinit,
+};