[media] vcodec: mediatek: Add Mediatek H264 Video Encoder Driver
authorTiffany Lin <tiffany.lin@mediatek.com>
Tue, 3 May 2016 10:11:26 +0000 (07:11 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 8 Jul 2016 17:12:51 +0000 (14:12 -0300)
Add h264 encoder driver for MT8173

Signed-off-by: PoChun Lin <pochun.lin@mediatek.com>
Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/platform/mtk-vcodec/Makefile
drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c [new file with mode: 0644]
drivers/media/platform/mtk-vcodec/venc_drv_if.c

index bf73a45..dc5cb00 100644 (file)
@@ -12,6 +12,7 @@ mtk-vcodec-enc-y := venc/venc_vp8_if.o \
                venc_drv_if.o \
                venc_vpu_if.o \
 
+
 mtk-vcodec-common-y := mtk_vcodec_intr.o \
                mtk_vcodec_util.o\
 
diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
new file mode 100644 (file)
index 0000000..f4e18bb
--- /dev/null
@@ -0,0 +1,679 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Jungchang Tsao <jungchang.tsao@mediatek.com>
+ *         Daniel Hsiao <daniel.hsiao@mediatek.com>
+ *         PoChun Lin <pochun.lin@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include "../mtk_vcodec_drv.h"
+#include "../mtk_vcodec_util.h"
+#include "../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"
+#include "mtk_vpu.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_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
+ * @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
+ * @align: buffer alignment (in bytes)
+ * @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 align;
+       u32 iova;
+       u32 vpua;
+       u32 size;
+};
+
+/*
+ * struct venc_h264_vsi - Structure for VPU driver control and info share
+ * 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_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
+ * @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 prepend_hdr;
+       struct venc_vpu_inst vpu_inst;
+       struct venc_h264_vsi *vsi;
+       struct mtk_vcodec_ctx *ctx;
+};
+
+static inline void h264_write_reg(struct venc_h264_inst *inst, u32 addr,
+                                 u32 val)
+{
+       writel(val, inst->hw_base + addr);
+}
+
+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_vcodec_err(inst, "unsupported CONSTRAINED_BASELINE");
+               return 0;
+       case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED:
+               mtk_vcodec_err(inst, "unsupported EXTENDED");
+               return 0;
+       default:
+               mtk_vcodec_debug(inst, "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_vcodec_err(inst, "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;
+       default:
+               mtk_vcodec_debug(inst, "unsupported level %d", level);
+               return 31;
+       }
+}
+
+static void h264_enc_free_work_buf(struct venc_h264_inst *inst)
+{
+       int i;
+
+       mtk_vcodec_debug_enter(inst);
+
+       /* 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);
+
+       mtk_vcodec_debug_leave(inst);
+}
+
+static int h264_enc_alloc_work_buf(struct venc_h264_inst *inst)
+{
+       int i;
+       int ret = 0;
+       struct venc_h264_vpu_buf *wb = inst->vsi->work_bufs;
+
+       mtk_vcodec_debug_enter(inst);
+
+       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.
+                */
+               inst->work_bufs[i].size = wb[i].size;
+               if (i == VENC_H264_VPU_WORK_BUF_SKIP_FRAME) {
+                       inst->work_bufs[i].va = vpu_mapping_dm_addr(
+                               inst->vpu_inst.dev, wb[i].vpua);
+                       inst->work_bufs[i].dma_addr = 0;
+               } else {
+                       ret = mtk_vcodec_mem_alloc(inst->ctx,
+                                                  &inst->work_bufs[i]);
+                       if (ret) {
+                               mtk_vcodec_err(inst,
+                                              "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) {
+                               void *tmp_va;
+
+                               tmp_va = vpu_mapping_dm_addr(inst->vpu_inst.dev,
+                                                            wb[i].vpua);
+                               memcpy(inst->work_bufs[i].va, tmp_va,
+                                      wb[i].size);
+                       }
+               }
+               wb[i].iova = inst->work_bufs[i].dma_addr;
+
+               mtk_vcodec_debug(inst,
+                                "work_buf[%d] va=0x%p iova=0x%p size=%zu",
+                                i, inst->work_bufs[i].va,
+                                (void *)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_vcodec_err(inst, "cannot allocate pps_buf");
+               goto err_alloc;
+       }
+
+       mtk_vcodec_debug_leave(inst);
+
+       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_ctx *ctx = (struct mtk_vcodec_ctx *)inst->ctx;
+
+       if (!mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
+                                         WAIT_INTR_TIMEOUT_MS)) {
+               irq_status = ctx->irq_status;
+               mtk_vcodec_debug(inst, "irq_status %x <-", irq_status);
+       }
+       return irq_status;
+}
+
+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;
+
+       mtk_vcodec_debug_enter(inst);
+
+       ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_SPS, NULL,
+                            bs_buf, bs_size);
+       if (ret)
+               return ret;
+
+       irq_status = h264_enc_wait_venc_done(inst);
+       if (irq_status != MTK_VENC_IRQ_STATUS_SPS) {
+               mtk_vcodec_err(inst, "expect irq status %d",
+                              MTK_VENC_IRQ_STATUS_SPS);
+               return -EINVAL;
+       }
+
+       *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
+       mtk_vcodec_debug(inst, "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;
+
+       mtk_vcodec_debug_enter(inst);
+
+       ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_PPS, NULL,
+                            bs_buf, bs_size);
+       if (ret)
+               return ret;
+
+       irq_status = h264_enc_wait_venc_done(inst);
+       if (irq_status != MTK_VENC_IRQ_STATUS_PPS) {
+               mtk_vcodec_err(inst, "expect irq status %d",
+                              MTK_VENC_IRQ_STATUS_PPS);
+               return -EINVAL;
+       }
+
+       *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
+       mtk_vcodec_debug(inst, "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 irq_status;
+
+       mtk_vcodec_debug_enter(inst);
+
+       ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_FRAME, frm_buf,
+                            bs_buf, bs_size);
+       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;
+               return ret;
+       }
+
+       irq_status = h264_enc_wait_venc_done(inst);
+       if (irq_status != MTK_VENC_IRQ_STATUS_FRM) {
+               mtk_vcodec_err(inst, "irq_status=%d failed", irq_status);
+               return -EIO;
+       }
+
+       *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
+
+       ++inst->frm_cnt;
+       mtk_vcodec_debug(inst, "frm %d bs_size %d key_frm %d <-",
+                        inst->frm_cnt, *bs_size, inst->vpu_inst.is_key_frm);
+
+       return ret;
+}
+
+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_vcodec_err(inst, "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_ctx *ctx, unsigned long *handle)
+{
+       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.dev = ctx->dev->vpu_plat_dev;
+       inst->vpu_inst.id = IPI_VENC_H264;
+       inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_SYS);
+
+       mtk_vcodec_debug_enter(inst);
+
+       ret = vpu_enc_init(&inst->vpu_inst);
+
+       inst->vsi = (struct venc_h264_vsi *)inst->vpu_inst.vsi;
+
+       mtk_vcodec_debug_leave(inst);
+
+       if (ret)
+               kfree(inst);
+       else
+               (*handle) = (unsigned long)inst;
+
+       return ret;
+}
+
+static int h264_enc_encode(unsigned long 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_ctx *ctx = inst->ctx;
+
+       mtk_vcodec_debug(inst, "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_vcodec_debug(inst, "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_vcodec_debug(inst, "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_vcodec_err(inst, "venc_start_opt %d not supported", opt);
+               ret = -EINVAL;
+               break;
+       }
+
+encode_err:
+
+       disable_irq(ctx->dev->enc_irq);
+       mtk_vcodec_debug(inst, "opt %d <-", opt);
+
+       return ret;
+}
+
+static int h264_enc_set_param(unsigned long 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;
+
+       mtk_vcodec_debug(inst, "->type=%d", type);
+
+       switch (type) {
+       case VENC_SET_PARAM_ENC:
+               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;
+               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);
+               if (ret)
+                       break;
+               inst->work_buf_allocated = true;
+               break;
+
+       case VENC_SET_PARAM_PREPEND_HEADER:
+               inst->prepend_hdr = 1;
+               mtk_vcodec_debug(inst, "set prepend header mode");
+               break;
+
+       default:
+               ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
+               break;
+       }
+
+       mtk_vcodec_debug_leave(inst);
+
+       return ret;
+}
+
+static int h264_enc_deinit(unsigned long handle)
+{
+       int ret = 0;
+       struct venc_h264_inst *inst = (struct venc_h264_inst *)handle;
+
+       mtk_vcodec_debug_enter(inst);
+
+       ret = vpu_enc_deinit(&inst->vpu_inst);
+
+       if (inst->work_buf_allocated)
+               h264_enc_free_work_buf(inst);
+
+       mtk_vcodec_debug_leave(inst);
+       kfree(inst);
+
+       return ret;
+}
+
+static struct venc_common_if venc_h264_if = {
+       h264_enc_init,
+       h264_enc_encode,
+       h264_enc_set_param,
+       h264_enc_deinit,
+};
+
+struct venc_common_if *get_h264_enc_comm_if(void);
+
+struct venc_common_if *get_h264_enc_comm_if(void)
+{
+       return &venc_h264_if;
+}
index 77c39d2..c4c83e7 100644 (file)
@@ -26,7 +26,7 @@
 #include "mtk_vcodec_enc_pm.h"
 #include "mtk_vpu.h"
 
-
+struct venc_common_if *get_h264_enc_comm_if(void);
 struct venc_common_if *get_vp8_enc_comm_if(void);
 
 int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
@@ -38,6 +38,8 @@ int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
                ctx->enc_if = get_vp8_enc_comm_if();
                break;
        case V4L2_PIX_FMT_H264:
+               ctx->enc_if = get_h264_enc_comm_if();
+               break;
        default:
                return -EINVAL;
        }