[PATCH v8 6/8] [media] vcodec: mediatek: Add Mediatek VP8 Video Encoder Driver
Tiffany Lin
tiffany.lin at mediatek.com
Mon Apr 25 05:30:36 PDT 2016
Add vp8 encoder driver for MT8173
Signed-off-by: PoChun Lin <pochun.lin at mediatek.com>
Signed-off-by: Tiffany Lin <tiffany.lin at mediatek.com>
---
drivers/media/platform/mtk-vcodec/Makefile | 6 +-
.../media/platform/mtk-vcodec/venc/venc_vp8_if.c | 479 ++++++++++++++++++++
drivers/media/platform/mtk-vcodec/venc_drv_if.c | 7 +-
drivers/media/platform/mtk-vcodec/venc_vpu_if.c | 237 ++++++++++
drivers/media/platform/mtk-vcodec/venc_vpu_if.h | 61 +++
5 files changed, 788 insertions(+), 2 deletions(-)
create mode 100644 drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
create mode 100644 drivers/media/platform/mtk-vcodec/venc_vpu_if.c
create mode 100644 drivers/media/platform/mtk-vcodec/venc_vpu_if.h
diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile
index d04433be..bf73a45 100644
--- a/drivers/media/platform/mtk-vcodec/Makefile
+++ b/drivers/media/platform/mtk-vcodec/Makefile
@@ -1,12 +1,16 @@
+
obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-enc.o mtk-vcodec-common.o
-mtk-vcodec-enc-y := mtk_vcodec_enc.o \
+mtk-vcodec-enc-y := venc/venc_vp8_if.o \
+ venc/venc_h264_if.o \
+ mtk_vcodec_enc.o \
mtk_vcodec_enc_drv.o \
mtk_vcodec_enc_pm.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_vp8_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
new file mode 100644
index 0000000..ac6d4ac
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
@@ -0,0 +1,479 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Daniel Hsiao <daniel.hsiao at mediatek.com>
+ * PoChun Lin <pochun.lin at 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"
+
+#define VENC_BITSTREAM_FRAME_SIZE 0x0098
+#define VENC_BITSTREAM_HEADER_LEN 0x00e8
+
+/* This ac_tag is vp8 frame tag. */
+#define MAX_AC_TAG_SIZE 10
+
+/**
+ * enum venc_vp8_vpu_work_buf - vp8 encoder buffer index
+ */
+enum venc_vp8_vpu_work_buf {
+ VENC_VP8_VPU_WORK_BUF_LUMA,
+ VENC_VP8_VPU_WORK_BUF_LUMA2,
+ VENC_VP8_VPU_WORK_BUF_LUMA3,
+ VENC_VP8_VPU_WORK_BUF_CHROMA,
+ VENC_VP8_VPU_WORK_BUF_CHROMA2,
+ VENC_VP8_VPU_WORK_BUF_CHROMA3,
+ VENC_VP8_VPU_WORK_BUF_MV_INFO,
+ VENC_VP8_VPU_WORK_BUF_BS_HEADER,
+ VENC_VP8_VPU_WORK_BUF_PROB_BUF,
+ VENC_VP8_VPU_WORK_BUF_RC_INFO,
+ VENC_VP8_VPU_WORK_BUF_RC_CODE,
+ VENC_VP8_VPU_WORK_BUF_RC_CODE2,
+ VENC_VP8_VPU_WORK_BUF_RC_CODE3,
+ VENC_VP8_VPU_WORK_BUF_MAX,
+};
+
+/*
+ * struct venc_vp8_vpu_config - Structure for vp8 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 (with 16 alignment). Buffer size is stream resolution
+ * in pixels aligned to hardware requirements.
+ * @buf_h: buffer height (with 16 alignment)
+ * @gop_size: group of picture size (key frame)
+ * @framerate: frame rate in fps
+ * @ts_mode: temporal scalability mode (0: disable, 1: enable)
+ * support three temporal layers - 0: 7.5fps 1: 7.5fps 2: 15fps.
+ */
+struct venc_vp8_vpu_config {
+ u32 input_fourcc;
+ u32 bitrate;
+ u32 pic_w;
+ u32 pic_h;
+ u32 buf_w;
+ u32 buf_h;
+ u32 gop_size;
+ u32 framerate;
+ u32 ts_mode;
+};
+
+/*
+ * struct venc_vp8_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_vp8_vpu_buf {
+ u32 align;
+ u32 iova;
+ u32 vpua;
+ u32 size;
+};
+
+/*
+ * struct venc_vp8_vsi - Structure for VPU driver control and info share
+ * This structure is allocated in VPU side and shared to AP side.
+ * @config: vp8 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_vp8_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_vp8_vsi {
+ struct venc_vp8_vpu_config config;
+ struct venc_vp8_vpu_buf work_bufs[VENC_VP8_VPU_WORK_BUF_MAX];
+};
+
+/*
+ * struct venc_vp8_inst - vp8 encoder AP driver instance
+ * @hw_base: vp8 encoder hardware register base
+ * @work_bufs: working buffer
+ * @work_buf_allocated: working buffer allocated flag
+ * @frm_cnt: encoded frame count, it's used for I-frame judgement and
+ * reset when force intra cmd received.
+ * @ts_mode: temporal scalability mode (0: disable, 1: enable)
+ * support three temporal layers - 0: 7.5fps 1: 7.5fps 2: 15fps.
+ * @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_vp8_inst {
+ void __iomem *hw_base;
+ struct mtk_vcodec_mem work_bufs[VENC_VP8_VPU_WORK_BUF_MAX];
+ bool work_buf_allocated;
+ unsigned int frm_cnt;
+ unsigned int ts_mode;
+ struct venc_vpu_inst vpu_inst;
+ struct venc_vp8_vsi *vsi;
+ struct mtk_vcodec_ctx *ctx;
+};
+
+static inline void vp8_enc_write_reg(struct venc_vp8_inst *inst, u32 addr,
+ u32 val)
+{
+ writel(val, inst->hw_base + addr);
+}
+
+static inline u32 vp8_enc_read_reg(struct venc_vp8_inst *inst, u32 addr)
+{
+ return readl(inst->hw_base + addr);
+}
+
+static void vp8_enc_free_work_buf(struct venc_vp8_inst *inst)
+{
+ int i;
+
+ mtk_vcodec_debug_enter(inst);
+
+ /* Buffers need to be freed by AP. */
+ for (i = 0; i < VENC_VP8_VPU_WORK_BUF_MAX; i++) {
+ if ((inst->work_bufs[i].size == 0))
+ continue;
+ mtk_vcodec_mem_free(inst->ctx, &inst->work_bufs[i]);
+ }
+
+ mtk_vcodec_debug_leave(inst);
+}
+
+static int vp8_enc_alloc_work_buf(struct venc_vp8_inst *inst)
+{
+ int i;
+ int ret = 0;
+ struct venc_vp8_vpu_buf *wb = inst->vsi->work_bufs;
+
+ mtk_vcodec_debug_enter(inst);
+
+ for (i = 0; i < VENC_VP8_VPU_WORK_BUF_MAX; i++) {
+ if ((wb[i].size == 0))
+ continue;
+ /*
+ * 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. For the
+ * RC_CODEx buffers, they are pre-allocated in the VPU side
+ * because they are inside VPU SRAM, 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.
+ */
+ inst->work_bufs[i].size = wb[i].size;
+ ret = mtk_vcodec_mem_alloc(inst->ctx, &inst->work_bufs[i]);
+ if (ret) {
+ mtk_vcodec_err(inst,
+ "cannot alloc work_bufs[%d]", i);
+ goto err_alloc;
+ }
+ /*
+ * This RC_CODEx is pre-allocated by VPU and saved in VPU addr.
+ * So we need use memcpy to copy RC_CODEx from VPU addr into IO
+ * virtual addr in 'iova' field for reg setting in VPU side.
+ */
+ if (i == VENC_VP8_VPU_WORK_BUF_RC_CODE ||
+ i == VENC_VP8_VPU_WORK_BUF_RC_CODE2 ||
+ i == VENC_VP8_VPU_WORK_BUF_RC_CODE3) {
+ 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_bufs[%d] va=0x%p,iova=0x%p,size=0x%lx",
+ i, inst->work_bufs[i].va,
+ (void *)inst->work_bufs[i].dma_addr,
+ inst->work_bufs[i].size);
+ }
+
+ mtk_vcodec_debug_leave(inst);
+
+ return ret;
+
+err_alloc:
+ vp8_enc_free_work_buf(inst);
+
+ return ret;
+}
+
+static unsigned int vp8_enc_wait_venc_done(struct venc_vp8_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, "isr return %x", irq_status);
+ }
+ return irq_status;
+}
+
+/*
+ * Compose ac_tag, bitstream header and bitstream payload into
+ * one bitstream buffer.
+ */
+static int vp8_enc_compose_one_frame(struct venc_vp8_inst *inst,
+ struct mtk_vcodec_mem *bs_buf,
+ unsigned int *bs_size)
+{
+ unsigned int not_key;
+ u32 bs_frm_size;
+ u32 bs_hdr_len;
+ unsigned int ac_tag_size;
+ u8 ac_tag[MAX_AC_TAG_SIZE];
+
+ bs_frm_size = vp8_enc_read_reg(inst, VENC_BITSTREAM_FRAME_SIZE);
+ bs_hdr_len = vp8_enc_read_reg(inst, VENC_BITSTREAM_HEADER_LEN);
+
+ /* if a frame is key frame, not_key is 0 */
+ not_key = !inst->vpu_inst.is_key_frm;
+ *(u32 *)ac_tag = __cpu_to_le32((bs_hdr_len << 5) | 0x10 | not_key);
+ /* key frame */
+ if (not_key == 0) {
+ ac_tag_size = MAX_AC_TAG_SIZE;
+ ac_tag[3] = 0x9d;
+ ac_tag[4] = 0x01;
+ ac_tag[5] = 0x2a;
+ ac_tag[6] = inst->vsi->config.pic_w;
+ ac_tag[7] = inst->vsi->config.pic_w >> 8;
+ ac_tag[8] = inst->vsi->config.pic_h;
+ ac_tag[9] = inst->vsi->config.pic_h >> 8;
+ } else {
+ ac_tag_size = 3;
+ }
+
+ if (bs_buf->size < bs_hdr_len + bs_frm_size + ac_tag_size) {
+ mtk_vcodec_err(inst, "bitstream buf size is too small(%ld)",
+ bs_buf->size);
+ return -EINVAL;
+ }
+
+ /*
+ * (1) The vp8 bitstream header and body are generated by the HW vp8
+ * encoder separately at the same time. We cannot know the bitstream
+ * header length in advance.
+ * (2) From the vp8 spec, there is no stuffing byte allowed between the
+ * ac tag, bitstream header and bitstream body.
+ */
+ memmove(bs_buf->va + bs_hdr_len + ac_tag_size,
+ bs_buf->va, bs_frm_size);
+ memcpy(bs_buf->va + ac_tag_size,
+ inst->work_bufs[VENC_VP8_VPU_WORK_BUF_BS_HEADER].va,
+ bs_hdr_len);
+ memcpy(bs_buf->va, ac_tag, ac_tag_size);
+ *bs_size = bs_frm_size + bs_hdr_len + ac_tag_size;
+
+ return 0;
+}
+
+static int vp8_enc_encode_frame(struct venc_vp8_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(inst, "->frm_cnt=%d", inst->frm_cnt);
+
+ ret = vpu_enc_encode(&inst->vpu_inst, 0, frm_buf, bs_buf, bs_size);
+ if (ret)
+ return ret;
+
+ irq_status = vp8_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;
+ }
+
+ if (vp8_enc_compose_one_frame(inst, bs_buf, bs_size)) {
+ mtk_vcodec_err(inst, "vp8_enc_compose_one_frame failed");
+ return -EINVAL;
+ }
+
+ inst->frm_cnt++;
+ mtk_vcodec_debug(inst, "<-size=%d key_frm=%d", *bs_size,
+ inst->vpu_inst.is_key_frm);
+
+ return ret;
+}
+
+static int vp8_enc_init(struct mtk_vcodec_ctx *ctx, unsigned long *handle)
+{
+ int ret = 0;
+ struct venc_vp8_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_VP8;
+ inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_LT_SYS);
+
+ mtk_vcodec_debug_enter(inst);
+
+ ret = vpu_enc_init(&inst->vpu_inst);
+
+ inst->vsi = (struct venc_vp8_vsi *)inst->vpu_inst.vsi;
+
+ mtk_vcodec_debug_leave(inst);
+
+ if (ret)
+ kfree(inst);
+ else
+ (*handle) = (unsigned long)inst;
+
+ return ret;
+}
+
+static int vp8_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_vp8_inst *inst = (struct venc_vp8_inst *)handle;
+ struct mtk_vcodec_ctx *ctx = inst->ctx;
+
+ mtk_vcodec_debug_enter(inst);
+
+ enable_irq(ctx->dev->enc_lt_irq);
+
+ switch (opt) {
+ case VENC_START_OPT_ENCODE_FRAME:
+ ret = vp8_enc_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;
+
+ default:
+ mtk_vcodec_err(inst, "opt not support:%d", opt);
+ ret = -EINVAL;
+ break;
+ }
+
+encode_err:
+
+ disable_irq(ctx->dev->enc_lt_irq);
+ mtk_vcodec_debug_leave(inst);
+
+ return ret;
+}
+
+static int vp8_enc_set_param(unsigned long handle,
+ enum venc_set_param_type type,
+ struct venc_enc_param *enc_prm)
+{
+ int ret = 0;
+ struct venc_vp8_inst *inst = (struct venc_vp8_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.ts_mode = inst->ts_mode;
+ ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
+ if (ret)
+ break;
+ if (inst->work_buf_allocated) {
+ vp8_enc_free_work_buf(inst);
+ inst->work_buf_allocated = false;
+ }
+ ret = vp8_enc_alloc_work_buf(inst);
+ if (ret)
+ break;
+ inst->work_buf_allocated = true;
+ break;
+
+ /*
+ * VENC_SET_PARAM_TS_MODE must be called before VENC_SET_PARAM_ENC
+ */
+ case VENC_SET_PARAM_TS_MODE:
+ inst->ts_mode = 1;
+ mtk_vcodec_debug(inst, "set ts_mode");
+ break;
+
+ default:
+ ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
+ break;
+ }
+
+ mtk_vcodec_debug_leave(inst);
+
+ return ret;
+}
+
+static int vp8_enc_deinit(unsigned long handle)
+{
+ int ret = 0;
+ struct venc_vp8_inst *inst = (struct venc_vp8_inst *)handle;
+
+ mtk_vcodec_debug_enter(inst);
+
+ ret = vpu_enc_deinit(&inst->vpu_inst);
+
+ if (inst->work_buf_allocated)
+ vp8_enc_free_work_buf(inst);
+
+ mtk_vcodec_debug_leave(inst);
+ kfree(inst);
+
+ return ret;
+}
+
+static struct venc_common_if venc_vp8_if = {
+ vp8_enc_init,
+ vp8_enc_encode,
+ vp8_enc_set_param,
+ vp8_enc_deinit,
+};
+
+struct venc_common_if *get_vp8_enc_comm_if(void)
+{
+ return &venc_vp8_if;
+}
diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
index e53b437..0ac6e49 100644
--- a/drivers/media/platform/mtk-vcodec/venc_drv_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
@@ -19,12 +19,15 @@
#include <linux/kernel.h>
#include <linux/slab.h>
+#include "venc_drv_base.h"
#include "venc_drv_if.h"
+
#include "mtk_vcodec_enc.h"
#include "mtk_vcodec_enc_pm.h"
#include "mtk_vpu.h"
-#include "venc_drv_base.h"
+
+struct venc_common_if *get_vp8_enc_comm_if(void);
int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
{
@@ -32,6 +35,8 @@ int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
switch (fourcc) {
case V4L2_PIX_FMT_VP8:
+ ctx->enc_if = get_vp8_enc_comm_if();
+ break;
case V4L2_PIX_FMT_H264:
default:
return -EINVAL;
diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
new file mode 100644
index 0000000..b92c6d2
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PoChun Lin <pochun.lin at 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 "mtk_vpu.h"
+#include "venc_ipi_msg.h"
+#include "venc_vpu_if.h"
+
+static void handle_enc_init_msg(struct venc_vpu_inst *vpu, void *data)
+{
+ struct venc_vpu_ipi_msg_init *msg = data;
+
+ vpu->inst_addr = msg->vpu_inst_addr;
+ vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr);
+}
+
+static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, void *data)
+{
+ struct venc_vpu_ipi_msg_enc *msg = data;
+
+ vpu->state = msg->state;
+ vpu->bs_size = msg->bs_size;
+ vpu->is_key_frm = msg->is_key_frm;
+}
+
+static void vpu_enc_ipi_handler(void *data, unsigned int len, void *priv)
+{
+ struct venc_vpu_ipi_msg_common *msg = data;
+ struct venc_vpu_inst *vpu = (struct venc_vpu_inst *)msg->venc_inst;
+
+ mtk_vcodec_debug(vpu, "msg_id %x inst %p status %d",
+ msg->msg_id, vpu, msg->status);
+
+ switch (msg->msg_id) {
+ case VPU_IPIMSG_ENC_INIT_DONE:
+ handle_enc_init_msg(vpu, data);
+ break;
+ case VPU_IPIMSG_ENC_SET_PARAM_DONE:
+ break;
+ case VPU_IPIMSG_ENC_ENCODE_DONE:
+ handle_enc_encode_msg(vpu, data);
+ break;
+ case VPU_IPIMSG_ENC_DEINIT_DONE:
+ break;
+ default:
+ mtk_vcodec_err(vpu, "unknown msg id %x", msg->msg_id);
+ break;
+ }
+
+ vpu->signaled = 1;
+ vpu->failure = (msg->status != VENC_IPI_MSG_STATUS_OK);
+
+ mtk_vcodec_debug_leave(vpu);
+}
+
+static int vpu_enc_send_msg(struct venc_vpu_inst *vpu, void *msg,
+ int len)
+{
+ int status;
+
+ mtk_vcodec_debug_enter(vpu);
+
+ if (!vpu->dev) {
+ mtk_vcodec_err(vpu, "inst dev is NULL");
+ return -EINVAL;
+ }
+
+ status = vpu_ipi_send(vpu->dev, vpu->id, msg, len);
+ if (status) {
+ uint32_t msg_id = *(uint32_t *)msg;
+
+ mtk_vcodec_err(vpu, "vpu_ipi_send msg_id %x len %d fail %d",
+ msg_id, len, status);
+ return -EINVAL;
+ }
+ if (vpu->failure)
+ return -EINVAL;
+
+ mtk_vcodec_debug_leave(vpu);
+
+ return 0;
+}
+
+int vpu_enc_init(struct venc_vpu_inst *vpu)
+{
+ int status;
+ struct venc_ap_ipi_msg_init out;
+
+ mtk_vcodec_debug_enter(vpu);
+
+ init_waitqueue_head(&vpu->wq_hd);
+ vpu->signaled = 0;
+ vpu->failure = 0;
+
+ status = vpu_ipi_register(vpu->dev, vpu->id, vpu_enc_ipi_handler,
+ NULL, NULL);
+ if (status) {
+ mtk_vcodec_err(vpu, "vpu_ipi_register fail %d", status);
+ return -EINVAL;
+ }
+
+ memset(&out, 0, sizeof(out));
+ out.msg_id = AP_IPIMSG_ENC_INIT;
+ out.venc_inst = (unsigned long)vpu;
+ if (vpu_enc_send_msg(vpu, &out, sizeof(out))) {
+ mtk_vcodec_err(vpu, "AP_IPIMSG_ENC_INIT fail");
+ return -EINVAL;
+ }
+
+ mtk_vcodec_debug_leave(vpu);
+
+ return 0;
+}
+
+int vpu_enc_set_param(struct venc_vpu_inst *vpu,
+ enum venc_set_param_type id,
+ struct venc_enc_param *enc_param)
+{
+ struct venc_ap_ipi_msg_set_param out;
+
+ mtk_vcodec_debug(vpu, "id %d ->", id);
+
+ memset(&out, 0, sizeof(out));
+ out.msg_id = AP_IPIMSG_ENC_SET_PARAM;
+ out.vpu_inst_addr = vpu->inst_addr;
+ out.param_id = id;
+ switch (id) {
+ case VENC_SET_PARAM_ENC:
+ out.data_item = 0;
+ break;
+ case VENC_SET_PARAM_FORCE_INTRA:
+ out.data_item = 0;
+ break;
+ case VENC_SET_PARAM_ADJUST_BITRATE:
+ out.data_item = 1;
+ out.data[0] = enc_param->bitrate;
+ break;
+ case VENC_SET_PARAM_ADJUST_FRAMERATE:
+ out.data_item = 1;
+ out.data[0] = enc_param->frm_rate;
+ break;
+ case VENC_SET_PARAM_GOP_SIZE:
+ out.data_item = 1;
+ out.data[0] = enc_param->gop_size;
+ break;
+ case VENC_SET_PARAM_INTRA_PERIOD:
+ out.data_item = 1;
+ out.data[0] = enc_param->intra_period;
+ break;
+ case VENC_SET_PARAM_SKIP_FRAME:
+ out.data_item = 0;
+ break;
+ default:
+ mtk_vcodec_err(vpu, "id %d not supported", id);
+ return -EINVAL;
+ }
+ if (vpu_enc_send_msg(vpu, &out, sizeof(out))) {
+ mtk_vcodec_err(vpu,
+ "AP_IPIMSG_ENC_SET_PARAM %d fail", id);
+ return -EINVAL;
+ }
+
+ mtk_vcodec_debug(vpu, "id %d <-", id);
+
+ return 0;
+}
+
+int vpu_enc_encode(struct venc_vpu_inst *vpu, unsigned int bs_mode,
+ struct venc_frm_buf *frm_buf,
+ struct mtk_vcodec_mem *bs_buf,
+ unsigned int *bs_size)
+{
+ struct venc_ap_ipi_msg_enc out;
+
+ mtk_vcodec_debug(vpu, "bs_mode %d ->", bs_mode);
+
+ memset(&out, 0, sizeof(out));
+ out.msg_id = AP_IPIMSG_ENC_ENCODE;
+ out.vpu_inst_addr = vpu->inst_addr;
+ out.bs_mode = bs_mode;
+ if (frm_buf) {
+ if ((frm_buf->fb_addr[0].dma_addr % 16 == 0) &&
+ (frm_buf->fb_addr[1].dma_addr % 16 == 0) &&
+ (frm_buf->fb_addr[2].dma_addr % 16 == 0)) {
+ out.input_addr[0] = frm_buf->fb_addr[0].dma_addr;
+ out.input_addr[1] = frm_buf->fb_addr[1].dma_addr;
+ out.input_addr[2] = frm_buf->fb_addr[2].dma_addr;
+ } else {
+ mtk_vcodec_err(vpu, "dma_addr not align to 16");
+ return -EINVAL;
+ }
+ }
+ if (bs_buf) {
+ out.bs_addr = bs_buf->dma_addr;
+ out.bs_size = bs_buf->size;
+ }
+ if (vpu_enc_send_msg(vpu, &out, sizeof(out))) {
+ mtk_vcodec_err(vpu, "AP_IPIMSG_ENC_ENCODE %d fail",
+ bs_mode);
+ return -EINVAL;
+ }
+
+ mtk_vcodec_debug(vpu, "bs_mode %d state %d size %d key_frm %d <-",
+ bs_mode, vpu->state, vpu->bs_size, vpu->is_key_frm);
+
+ return 0;
+}
+
+int vpu_enc_deinit(struct venc_vpu_inst *vpu)
+{
+ struct venc_ap_ipi_msg_deinit out;
+
+ mtk_vcodec_debug_enter(vpu);
+
+ memset(&out, 0, sizeof(out));
+ out.msg_id = AP_IPIMSG_ENC_DEINIT;
+ out.vpu_inst_addr = vpu->inst_addr;
+ if (vpu_enc_send_msg(vpu, &out, sizeof(out))) {
+ mtk_vcodec_err(vpu, "AP_IPIMSG_ENC_DEINIT fail");
+ return -EINVAL;
+ }
+
+ mtk_vcodec_debug_leave(vpu);
+
+ return 0;
+}
diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.h b/drivers/media/platform/mtk-vcodec/venc_vpu_if.h
new file mode 100644
index 0000000..215d1e0
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PoChun Lin <pochun.lin at 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.
+ */
+
+#ifndef _VENC_VPU_IF_H_
+#define _VENC_VPU_IF_H_
+
+#include "mtk_vpu.h"
+#include "venc_drv_if.h"
+
+/*
+ * struct venc_vpu_inst - encoder VPU driver instance
+ * @wq_hd: wait queue used for vpu cmd trigger then wait vpu interrupt done
+ * @signaled: flag used for checking vpu interrupt done
+ * @failure: flag to show vpu cmd succeeds or not
+ * @state: enum venc_ipi_msg_enc_state
+ * @bs_size: bitstream size for skip frame case usage
+ * @is_key_frm: key frame flag
+ * @inst_addr: VPU instance addr
+ * @vsi: driver structure allocated by VPU side and shared to AP side for
+ * control and info share
+ * @id: the id of inter-processor interrupt
+ * @ctx: context for v4l2 layer integration
+ * @dev: device for v4l2 layer integration
+ */
+struct venc_vpu_inst {
+ wait_queue_head_t wq_hd;
+ int signaled;
+ int failure;
+ int state;
+ int bs_size;
+ int is_key_frm;
+ unsigned int inst_addr;
+ void *vsi;
+ enum ipi_id id;
+ struct mtk_vcodec_ctx *ctx;
+ struct platform_device *dev;
+};
+
+int vpu_enc_init(struct venc_vpu_inst *vpu);
+int vpu_enc_set_param(struct venc_vpu_inst *vpu,
+ enum venc_set_param_type id,
+ struct venc_enc_param *param);
+int vpu_enc_encode(struct venc_vpu_inst *vpu, unsigned int bs_mode,
+ struct venc_frm_buf *frm_buf,
+ struct mtk_vcodec_mem *bs_buf,
+ unsigned int *bs_size);
+int vpu_enc_deinit(struct venc_vpu_inst *vpu);
+
+#endif
--
1.7.9.5
More information about the Linux-mediatek
mailing list