// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: PoChun Lin <[email protected]>
*/
#include "mtk_vcodec_enc_drv.h"
#include "venc_ipi_msg.h"
#include "venc_vpu_if.h"
static void handle_enc_init_msg(struct venc_vpu_inst *vpu, const void *data)
{
const struct venc_vpu_ipi_msg_init *msg = data;
vpu->inst_addr = msg->vpu_inst_addr;
vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
msg->vpu_inst_addr);
/* Firmware version field value is unspecified on MT8173. */
if (mtk_vcodec_fw_get_type(vpu->ctx->dev->fw_handler) == VPU)
return;
/* Check firmware version. */
mtk_venc_debug(vpu->ctx, "firmware version: 0x%x\n", msg->venc_abi_version);
switch (msg->venc_abi_version) {
case 1:
break;
default:
mtk_venc_err(vpu->ctx, "unhandled firmware version 0x%x\n",
msg->venc_abi_version);
vpu->failure = 1;
break;
}
}
static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, const void *data)
{
const 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 bool vpu_enc_check_ap_inst(struct mtk_vcodec_enc_dev *enc_dev, struct venc_vpu_inst *vpu)
{
struct mtk_vcodec_enc_ctx *ctx;
int ret = false;
mutex_lock(&enc_dev->dev_ctx_lock);
list_for_each_entry(ctx, &enc_dev->ctx_list, list) {
if (!IS_ERR_OR_NULL(ctx) && ctx->vpu_inst == vpu) {
ret = true;
break;
}
}
mutex_unlock(&enc_dev->dev_ctx_lock);
return ret;
}
static void vpu_enc_ipi_handler(void *data, unsigned int len, void *priv)
{
struct mtk_vcodec_enc_dev *enc_dev;
const struct venc_vpu_ipi_msg_common *msg = data;
struct venc_vpu_inst *vpu;
enc_dev = (struct mtk_vcodec_enc_dev *)priv;
vpu = (struct venc_vpu_inst *)(unsigned long)msg->venc_inst;
if (!priv || !vpu) {
pr_err(MTK_DBG_V4L2_STR "venc_inst is NULL, did the SCP hang or crash?");
return;
}
mtk_venc_debug(vpu->ctx, "msg_id %x inst %p status %d", msg->msg_id, vpu, msg->status);
if (!vpu_enc_check_ap_inst(enc_dev, vpu) || msg->msg_id < VPU_IPIMSG_ENC_INIT_DONE ||
msg->msg_id > VPU_IPIMSG_ENC_DEINIT_DONE) {
mtk_v4l2_venc_err(vpu->ctx, "venc msg id not correctly => 0x%x", msg->msg_id);
vpu->failure = -EINVAL;
goto error;
}
vpu->failure = (msg->status != VENC_IPI_MSG_STATUS_OK);
if (vpu->failure) {
mtk_venc_err(vpu->ctx, "vpu enc status failure %d", vpu->failure);
goto error;
}
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_venc_err(vpu->ctx, "unknown msg id %x", msg->msg_id);
break;
}
error:
vpu->signaled = 1;
}
static int vpu_enc_send_msg(struct venc_vpu_inst *vpu, void *msg,
int len)
{
int status;
if (!vpu->ctx->dev->fw_handler) {
mtk_venc_err(vpu->ctx, "inst dev is NULL");
return -EINVAL;
}
status = mtk_vcodec_fw_ipi_send(vpu->ctx->dev->fw_handler, vpu->id, msg,
len, 2000);
if (status) {
mtk_venc_err(vpu->ctx, "vpu_ipi_send msg_id %x len %d fail %d",
*(uint32_t *)msg, len, status);
return -EINVAL;
}
if (vpu->failure)
return -EINVAL;
return 0;
}
int vpu_enc_init(struct venc_vpu_inst *vpu)
{
int status;
struct venc_ap_ipi_msg_init out;
init_waitqueue_head(&vpu->wq_hd);
vpu->signaled = 0;
vpu->failure = 0;
vpu->ctx->vpu_inst = vpu;
status = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id,
vpu_enc_ipi_handler, "venc",
vpu->ctx->dev);
if (status) {
mtk_venc_err(vpu->ctx, "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_venc_err(vpu->ctx, "AP_IPIMSG_ENC_INIT fail");
return -EINVAL;
}
if (IS_ERR_OR_NULL(vpu->vsi)) {
mtk_venc_err(vpu->ctx, "invalid venc vsi");
return -EINVAL;
}
return 0;
}
static unsigned int venc_enc_param_crop_right(struct venc_vpu_inst *vpu,
struct venc_enc_param *enc_prm)
{
unsigned int img_crop_right = enc_prm->buf_width - enc_prm->width;
return img_crop_right % 16;
}
static unsigned int venc_enc_param_crop_bottom(struct venc_enc_param *enc_prm)
{
return round_up(enc_prm->height, 16) - enc_prm->height;
}
static unsigned int venc_enc_param_num_mb(struct venc_enc_param *enc_prm)
{
return DIV_ROUND_UP(enc_prm->width, 16) *
DIV_ROUND_UP(enc_prm->height, 16);
}
int vpu_enc_set_param(struct venc_vpu_inst *vpu,
enum venc_set_param_type id,
struct venc_enc_param *enc_param)
{
const bool is_ext = MTK_ENC_CTX_IS_EXT(vpu->ctx);
size_t msg_size = is_ext ?
sizeof(struct venc_ap_ipi_msg_set_param_ext) :
sizeof(struct venc_ap_ipi_msg_set_param);
struct venc_ap_ipi_msg_set_param_ext out;
mtk_venc_debug(vpu->ctx, "id %d ->", id);
memset(&out, 0, sizeof(out));
out.base.msg_id = AP_IPIMSG_ENC_SET_PARAM;
out.base.vpu_inst_addr = vpu->inst_addr;
out.base.param_id = id;
switch (id) {
case VENC_SET_PARAM_ENC:
if (is_ext) {
out.base.data_item = 3;
out.base.data[0] =
venc_enc_param_crop_right(vpu, enc_param);
out.base.data[1] =
venc_enc_param_crop_bottom(enc_param);
out.base.data[2] = venc_enc_param_num_mb(enc_param);
} else {
out.base.data_item = 0;
}
break;
case VENC_SET_PARAM_FORCE_INTRA:
out.base.data_item = 0;
break;
case VENC_SET_PARAM_ADJUST_BITRATE:
out.base.data_item = 1;
out.base.data[0] = enc_param->bitrate;
break;
case VENC_SET_PARAM_ADJUST_FRAMERATE:
out.base.data_item = 1;
out.base.data[0] = enc_param->frm_rate;
break;
case VENC_SET_PARAM_GOP_SIZE:
out.base.data_item = 1;
out.base.data[0] = enc_param->gop_size;
break;
case VENC_SET_PARAM_INTRA_PERIOD:
out.base.data_item = 1;
out.base.data[0] = enc_param->intra_period;
break;
case VENC_SET_PARAM_SKIP_FRAME:
out.base.data_item = 0;
break;
default:
mtk_venc_err(vpu->ctx, "id %d not supported", id);
return -EINVAL;
}
if (vpu_enc_send_msg(vpu, &out, msg_size)) {
mtk_venc_err(vpu->ctx, "AP_IPIMSG_ENC_SET_PARAM %d fail", id);
return -EINVAL;
}
mtk_venc_debug(vpu->ctx, "id %d <-", id);
return 0;
}
static int vpu_enc_encode_32bits(struct venc_vpu_inst *vpu,
unsigned int bs_mode,
struct venc_frm_buf *frm_buf,
struct mtk_vcodec_mem *bs_buf,
struct venc_frame_info *frame_info)
{
const bool is_ext = MTK_ENC_CTX_IS_EXT(vpu->ctx);
size_t msg_size = is_ext ?
sizeof(struct venc_ap_ipi_msg_enc_ext) :
sizeof(struct venc_ap_ipi_msg_enc);
struct venc_ap_ipi_msg_enc_ext out;
mtk_venc_debug(vpu->ctx, "bs_mode %d ->", bs_mode);
memset(&out, 0, sizeof(out));
out.base.msg_id = AP_IPIMSG_ENC_ENCODE;
out.base.vpu_inst_addr = vpu->inst_addr;
out.base.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.base.input_addr[0] = frm_buf->fb_addr[0].dma_addr;
out.base.input_addr[1] = frm_buf->fb_addr[1].dma_addr;
out.base.input_addr[2] = frm_buf->fb_addr[2].dma_addr;
} else {
mtk_venc_err(vpu->ctx, "dma_addr not align to 16");
return -EINVAL;
}
}
if (bs_buf) {
out.base.bs_addr = bs_buf->dma_addr;
out.base.bs_size = bs_buf->size;
}
if (is_ext && frame_info) {
out.data_item = 3;
out.data[0] = frame_info->frm_count;
out.data[1] = frame_info->skip_frm_count;
out.data[2] = frame_info->frm_type;
}
if (vpu_enc_send_msg(vpu, &out, msg_size)) {
mtk_venc_err(vpu->ctx, "AP_IPIMSG_ENC_ENCODE %d fail", bs_mode);
return -EINVAL;
}
return 0;
}
static int vpu_enc_encode_34bits(struct venc_vpu_inst *vpu,
unsigned int bs_mode,
struct venc_frm_buf *frm_buf,
struct mtk_vcodec_mem *bs_buf,
struct venc_frame_info *frame_info)
{
struct venc_ap_ipi_msg_enc_ext_34 out;
size_t msg_size = sizeof(struct venc_ap_ipi_msg_enc_ext_34);
mtk_venc_debug(vpu->ctx, "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_venc_err(vpu->ctx, "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 (frame_info) {
out.data_item = 3;
out.data[0] = frame_info->frm_count;
out.data[1] = frame_info->skip_frm_count;
out.data[2] = frame_info->frm_type;
}
if (vpu_enc_send_msg(vpu, &out, msg_size)) {
mtk_venc_err(vpu->ctx, "AP_IPIMSG_ENC_ENCODE %d fail", bs_mode);
return -EINVAL;
}
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,
struct venc_frame_info *frame_info)
{
int ret;
if (MTK_ENC_IOVA_IS_34BIT(vpu->ctx))
ret = vpu_enc_encode_34bits(vpu, bs_mode,
frm_buf, bs_buf, frame_info);
else
ret = vpu_enc_encode_32bits(vpu, bs_mode,
frm_buf, bs_buf, frame_info);
if (ret)
return ret;
mtk_venc_debug(vpu->ctx, "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;
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_venc_err(vpu->ctx, "AP_IPIMSG_ENC_DEINIT fail");
return -EINVAL;
}
return 0;
}