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) {
mtk_vcodec_err(vpu, "vpu_ipi_send msg_id %x len %d fail %d",
*(uint32_t *)msg, 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;
}
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 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 *)(unsigned long)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 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;
}
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;
}
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=%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_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;
}
