[media] vcodec: mediatek: Add Mediatek VP8 Video Encoder Driver

Add vp8 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>
This commit is contained in:
Tiffany Lin 2016-05-03 07:11:25 -03:00 committed by Mauro Carvalho Chehab
parent 4e855a6efa
commit 27a274db6b
5 changed files with 790 additions and 2 deletions

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@ -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\

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@ -0,0 +1,481 @@
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: 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"
#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=%zu",
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(%zu)",
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);
struct venc_common_if *get_vp8_enc_comm_if(void)
{
return &venc_vp8_if;
}

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@ -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;

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@ -0,0 +1,237 @@
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: 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 "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;
}

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@ -0,0 +1,61 @@
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: 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.
*/
#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