// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: Daniel Hsiao <[email protected]>
* Kai-Sean Yang <[email protected]>
* Tiffany Lin <[email protected]>
*/
#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <linux/delay.h>
#include <linux/time.h>
#include "../../common/mtk_vcodec_intr.h"
#include "../vdec_drv_base.h"
#include "../vdec_vpu_if.h"
#define VP9_MAX_SUPER_FRAMES_NUM 8
#define VP9_SUPER_FRAME_BS_SZ 64
#define MAX_VP9_DPB_SIZE 9
#define REFS_PER_FRAME 3
#define MAX_NUM_REF_FRAMES 8
#define VP9_MAX_FRM_BUF_NUM 9
#define VP9_MAX_FRM_BUF_NODE_NUM (VP9_MAX_FRM_BUF_NUM * 2)
#define VP9_SEG_ID_SZ 0x12000
/**
* struct vp9_dram_buf - contains buffer info for vpu
* @va : cpu address
* @pa : iova address
* @sz : buffer size
* @padding : for 64 bytes alignment
*/
struct vp9_dram_buf {
unsigned long va;
unsigned long pa;
unsigned int sz;
unsigned int padding;
};
/**
* struct vp9_fb_info - contains frame buffer info
* @fb : frame buffer
* @reserved : reserved field used by vpu
*/
struct vp9_fb_info {
struct vdec_fb *fb;
unsigned int reserved[32];
};
/**
* struct vp9_ref_cnt_buf - contains reference buffer information
* @buf : referenced frame buffer
* @ref_cnt : referenced frame buffer's reference count.
* When reference count=0, remove it from reference list
*/
struct vp9_ref_cnt_buf {
struct vp9_fb_info buf;
unsigned int ref_cnt;
};
/**
* struct vp9_ref_buf - contains current frame's reference buffer information
* @buf : reference buffer
* @idx : reference buffer index to frm_bufs
* @reserved : reserved field used by vpu
*/
struct vp9_ref_buf {
struct vp9_fb_info *buf;
unsigned int idx;
unsigned int reserved[6];
};
/**
* struct vp9_sf_ref_fb - contains frame buffer info
* @fb : super frame reference frame buffer
* @used : this reference frame info entry is used
* @padding : for 64 bytes size align
*/
struct vp9_sf_ref_fb {
struct vdec_fb fb;
int used;
int padding;
};
/*
* struct vdec_vp9_vsi - shared buffer between host and VPU firmware
* AP-W/R : AP is writer/reader on this item
* VPU-W/R: VPU is write/reader on this item
* @sf_bs_buf : super frame backup buffer (AP-W, VPU-R)
* @sf_ref_fb : record super frame reference buffer information
* (AP-R/W, VPU-R/W)
* @sf_next_ref_fb_idx : next available super frame (AP-W, VPU-R)
* @sf_frm_cnt : super frame count, filled by vpu (AP-R, VPU-W)
* @sf_frm_offset : super frame offset, filled by vpu (AP-R, VPU-W)
* @sf_frm_sz : super frame size, filled by vpu (AP-R, VPU-W)
* @sf_frm_idx : current super frame (AP-R, VPU-W)
* @sf_init : inform super frame info already parsed by vpu (AP-R, VPU-W)
* @fb : capture buffer (AP-W, VPU-R)
* @bs : bs buffer (AP-W, VPU-R)
* @cur_fb : current show capture buffer (AP-R/W, VPU-R/W)
* @pic_w : picture width (AP-R, VPU-W)
* @pic_h : picture height (AP-R, VPU-W)
* @buf_w : codec width (AP-R, VPU-W)
* @buf_h : coded height (AP-R, VPU-W)
* @buf_sz_y_bs : ufo compressed y plane size (AP-R, VPU-W)
* @buf_sz_c_bs : ufo compressed cbcr plane size (AP-R, VPU-W)
* @buf_len_sz_y : size used to store y plane ufo info (AP-R, VPU-W)
* @buf_len_sz_c : size used to store cbcr plane ufo info (AP-R, VPU-W)
* @profile : profile sparsed from vpu (AP-R, VPU-W)
* @show_frame : [BIT(0)] display this frame or not (AP-R, VPU-W)
* [BIT(1)] reset segment data or not (AP-R, VPU-W)
* [BIT(2)] trig decoder hardware or not (AP-R, VPU-W)
* [BIT(3)] ask VPU to set bits(0~4) accordingly (AP-W, VPU-R)
* [BIT(4)] do not reset segment data before every frame (AP-R, VPU-W)
* @show_existing_frame : inform this frame is show existing frame
* (AP-R, VPU-W)
* @frm_to_show_idx : index to show frame (AP-R, VPU-W)
* @refresh_frm_flags : indicate when frame need to refine reference count
* (AP-R, VPU-W)
* @resolution_changed : resolution change in this frame (AP-R, VPU-W)
* @frm_bufs : maintain reference buffer info (AP-R/W, VPU-R/W)
* @ref_frm_map : maintain reference buffer map info (AP-R/W, VPU-R/W)
* @new_fb_idx : index to frm_bufs array (AP-R, VPU-W)
* @frm_num : decoded frame number, include sub-frame count (AP-R, VPU-W)
* @mv_buf : motion vector working buffer (AP-W, VPU-R)
* @frm_refs : maintain three reference buffer info (AP-R/W, VPU-R/W)
* @seg_id_buf : segmentation map working buffer (AP-W, VPU-R)
*/
struct vdec_vp9_vsi {
unsigned char sf_bs_buf[VP9_SUPER_FRAME_BS_SZ];
struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_SUPER_FRAMES_NUM];
int sf_next_ref_fb_idx;
unsigned int sf_frm_cnt;
unsigned int sf_frm_offset[VP9_MAX_SUPER_FRAMES_NUM];
unsigned int sf_frm_sz[VP9_MAX_SUPER_FRAMES_NUM];
unsigned int sf_frm_idx;
unsigned int sf_init;
struct vdec_fb fb;
struct mtk_vcodec_mem bs;
struct vdec_fb cur_fb;
unsigned int pic_w;
unsigned int pic_h;
unsigned int buf_w;
unsigned int buf_h;
unsigned int buf_sz_y_bs;
unsigned int buf_sz_c_bs;
unsigned int buf_len_sz_y;
unsigned int buf_len_sz_c;
unsigned int profile;
unsigned int show_frame;
unsigned int show_existing_frame;
unsigned int frm_to_show_idx;
unsigned int refresh_frm_flags;
unsigned int resolution_changed;
struct vp9_ref_cnt_buf frm_bufs[VP9_MAX_FRM_BUF_NUM];
int ref_frm_map[MAX_NUM_REF_FRAMES];
unsigned int new_fb_idx;
unsigned int frm_num;
struct vp9_dram_buf mv_buf;
struct vp9_ref_buf frm_refs[REFS_PER_FRAME];
struct vp9_dram_buf seg_id_buf;
};
/*
* struct vdec_vp9_inst - vp9 decode instance
* @mv_buf : working buffer for mv
* @seg_id_buf : working buffer for segmentation map
* @dec_fb : vdec_fb node to link fb to different fb_xxx_list
* @available_fb_node_list : current available vdec_fb node
* @fb_use_list : current used or referenced vdec_fb
* @fb_free_list : current available to free vdec_fb
* @fb_disp_list : current available to display vdec_fb
* @cur_fb : current frame buffer
* @ctx : current decode context
* @vpu : vpu instance information
* @vsi : shared buffer between host and VPU firmware
* @total_frm_cnt : total frame count, it do not include sub-frames in super
* frame
* @mem : instance memory information
*/
struct vdec_vp9_inst {
struct mtk_vcodec_mem mv_buf;
struct mtk_vcodec_mem seg_id_buf;
struct vdec_fb_node dec_fb[VP9_MAX_FRM_BUF_NODE_NUM];
struct list_head available_fb_node_list;
struct list_head fb_use_list;
struct list_head fb_free_list;
struct list_head fb_disp_list;
struct vdec_fb *cur_fb;
struct mtk_vcodec_dec_ctx *ctx;
struct vdec_vpu_inst vpu;
struct vdec_vp9_vsi *vsi;
unsigned int total_frm_cnt;
struct mtk_vcodec_mem mem;
};
static bool vp9_is_sf_ref_fb(struct vdec_vp9_inst *inst, struct vdec_fb *fb)
{
int i;
struct vdec_vp9_vsi *vsi = inst->vsi;
for (i = 0; i < ARRAY_SIZE(vsi->sf_ref_fb); i++) {
if (fb == &vsi->sf_ref_fb[i].fb)
return true;
}
return false;
}
static struct vdec_fb *vp9_rm_from_fb_use_list(struct vdec_vp9_inst
*inst, void *addr)
{
struct vdec_fb *fb = NULL;
struct vdec_fb_node *node;
list_for_each_entry(node, &inst->fb_use_list, list) {
fb = (struct vdec_fb *)node->fb;
if (fb->base_y.va == addr) {
list_move_tail(&node->list,
&inst->available_fb_node_list);
return fb;
}
}
return NULL;
}
static void vp9_add_to_fb_free_list(struct vdec_vp9_inst *inst,
struct vdec_fb *fb)
{
struct vdec_fb_node *node;
if (fb) {
node = list_first_entry_or_null(&inst->available_fb_node_list,
struct vdec_fb_node, list);
if (node) {
node->fb = fb;
list_move_tail(&node->list, &inst->fb_free_list);
}
} else {
mtk_vdec_debug(inst->ctx, "No free fb node");
}
}
static void vp9_free_sf_ref_fb(struct vdec_fb *fb)
{
struct vp9_sf_ref_fb *sf_ref_fb =
container_of(fb, struct vp9_sf_ref_fb, fb);
sf_ref_fb->used = 0;
}
static void vp9_ref_cnt_fb(struct vdec_vp9_inst *inst, int *idx,
int new_idx)
{
struct vdec_vp9_vsi *vsi = inst->vsi;
int ref_idx = *idx;
if (ref_idx >= 0 && vsi->frm_bufs[ref_idx].ref_cnt > 0) {
vsi->frm_bufs[ref_idx].ref_cnt--;
if (vsi->frm_bufs[ref_idx].ref_cnt == 0) {
if (!vp9_is_sf_ref_fb(inst,
vsi->frm_bufs[ref_idx].buf.fb)) {
struct vdec_fb *fb;
fb = vp9_rm_from_fb_use_list(inst,
vsi->frm_bufs[ref_idx].buf.fb->base_y.va);
vp9_add_to_fb_free_list(inst, fb);
} else
vp9_free_sf_ref_fb(
vsi->frm_bufs[ref_idx].buf.fb);
}
}
*idx = new_idx;
vsi->frm_bufs[new_idx].ref_cnt++;
}
static void vp9_free_all_sf_ref_fb(struct vdec_vp9_inst *inst)
{
int i;
struct vdec_vp9_vsi *vsi = inst->vsi;
for (i = 0; i < ARRAY_SIZE(vsi->sf_ref_fb); i++) {
if (vsi->sf_ref_fb[i].fb.base_y.va) {
mtk_vcodec_mem_free(inst->ctx,
&vsi->sf_ref_fb[i].fb.base_y);
mtk_vcodec_mem_free(inst->ctx,
&vsi->sf_ref_fb[i].fb.base_c);
vsi->sf_ref_fb[i].used = 0;
}
}
}
/* For each sub-frame except the last one, the driver will dynamically
* allocate reference buffer by calling vp9_get_sf_ref_fb()
* The last sub-frame will use the original fb provided by the
* vp9_dec_decode() interface
*/
static int vp9_get_sf_ref_fb(struct vdec_vp9_inst *inst)
{
int idx;
struct mtk_vcodec_mem *mem_basy_y;
struct mtk_vcodec_mem *mem_basy_c;
struct vdec_vp9_vsi *vsi = inst->vsi;
for (idx = 0;
idx < ARRAY_SIZE(vsi->sf_ref_fb);
idx++) {
if (vsi->sf_ref_fb[idx].fb.base_y.va &&
vsi->sf_ref_fb[idx].used == 0) {
return idx;
}
}
for (idx = 0;
idx < ARRAY_SIZE(vsi->sf_ref_fb);
idx++) {
if (vsi->sf_ref_fb[idx].fb.base_y.va == NULL)
break;
}
if (idx == ARRAY_SIZE(vsi->sf_ref_fb)) {
mtk_vdec_err(inst->ctx, "List Full");
return -1;
}
mem_basy_y = &vsi->sf_ref_fb[idx].fb.base_y;
mem_basy_y->size = vsi->buf_sz_y_bs +
vsi->buf_len_sz_y;
if (mtk_vcodec_mem_alloc(inst->ctx, mem_basy_y)) {
mtk_vdec_err(inst->ctx, "Cannot allocate sf_ref_buf y_buf");
return -1;
}
mem_basy_c = &vsi->sf_ref_fb[idx].fb.base_c;
mem_basy_c->size = vsi->buf_sz_c_bs +
vsi->buf_len_sz_c;
if (mtk_vcodec_mem_alloc(inst->ctx, mem_basy_c)) {
mtk_vdec_err(inst->ctx, "Cannot allocate sf_ref_fb c_buf");
return -1;
}
vsi->sf_ref_fb[idx].used = 0;
return idx;
}
static bool vp9_alloc_work_buf(struct vdec_vp9_inst *inst)
{
struct vdec_vp9_vsi *vsi = inst->vsi;
int result;
struct mtk_vcodec_mem *mem;
unsigned int max_pic_w;
unsigned int max_pic_h;
if (!(inst->ctx->dev->dec_capability &
VCODEC_CAPABILITY_4K_DISABLED)) {
max_pic_w = VCODEC_DEC_4K_CODED_WIDTH;
max_pic_h = VCODEC_DEC_4K_CODED_HEIGHT;
} else {
max_pic_w = MTK_VDEC_MAX_W;
max_pic_h = MTK_VDEC_MAX_H;
}
if ((vsi->pic_w > max_pic_w) ||
(vsi->pic_h > max_pic_h)) {
mtk_vdec_err(inst->ctx, "Invalid w/h %d/%d", vsi->pic_w, vsi->pic_h);
return false;
}
mtk_vdec_debug(inst->ctx, "BUF CHG(%d): w/h/sb_w/sb_h=%d/%d/%d/%d",
vsi->resolution_changed, vsi->pic_w,
vsi->pic_h, vsi->buf_w, vsi->buf_h);
mem = &inst->mv_buf;
if (mem->va)
mtk_vcodec_mem_free(inst->ctx, mem);
mem->size = ((vsi->buf_w / 64) *
(vsi->buf_h / 64) + 2) * 36 * 16;
result = mtk_vcodec_mem_alloc(inst->ctx, mem);
if (result) {
mem->size = 0;
mtk_vdec_err(inst->ctx, "Cannot allocate mv_buf");
return false;
}
/* Set the va again */
vsi->mv_buf.va = (unsigned long)mem->va;
vsi->mv_buf.pa = (unsigned long)mem->dma_addr;
vsi->mv_buf.sz = (unsigned int)mem->size;
mem = &inst->seg_id_buf;
if (mem->va)
mtk_vcodec_mem_free(inst->ctx, mem);
mem->size = VP9_SEG_ID_SZ;
result = mtk_vcodec_mem_alloc(inst->ctx, mem);
if (result) {
mem->size = 0;
mtk_vdec_err(inst->ctx, "Cannot allocate seg_id_buf");
return false;
}
/* Set the va again */
vsi->seg_id_buf.va = (unsigned long)mem->va;
vsi->seg_id_buf.pa = (unsigned long)mem->dma_addr;
vsi->seg_id_buf.sz = (unsigned int)mem->size;
vp9_free_all_sf_ref_fb(inst);
vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst);
return true;
}
static bool vp9_add_to_fb_disp_list(struct vdec_vp9_inst *inst,
struct vdec_fb *fb)
{
struct vdec_fb_node *node;
if (!fb) {
mtk_vdec_err(inst->ctx, "fb == NULL");
return false;
}
node = list_first_entry_or_null(&inst->available_fb_node_list,
struct vdec_fb_node, list);
if (node) {
node->fb = fb;
list_move_tail(&node->list, &inst->fb_disp_list);
} else {
mtk_vdec_err(inst->ctx, "No available fb node");
return false;
}
return true;
}
/* If any buffer updating is signaled it should be done here. */
static void vp9_swap_frm_bufs(struct vdec_vp9_inst *inst)
{
struct vdec_vp9_vsi *vsi = inst->vsi;
struct vp9_fb_info *frm_to_show;
int ref_index = 0, mask;
for (mask = vsi->refresh_frm_flags; mask; mask >>= 1) {
if (mask & 1)
vp9_ref_cnt_fb(inst, &vsi->ref_frm_map[ref_index],
vsi->new_fb_idx);
++ref_index;
}
frm_to_show = &vsi->frm_bufs[vsi->new_fb_idx].buf;
vsi->frm_bufs[vsi->new_fb_idx].ref_cnt--;
if (frm_to_show->fb != inst->cur_fb) {
/* This frame is show exist frame and no decode output
* copy frame data from frm_to_show to current CAPTURE
* buffer
*/
if ((frm_to_show->fb != NULL) &&
(inst->cur_fb->base_y.size >=
frm_to_show->fb->base_y.size) &&
(inst->cur_fb->base_c.size >=
frm_to_show->fb->base_c.size)) {
memcpy((void *)inst->cur_fb->base_y.va,
(void *)frm_to_show->fb->base_y.va,
frm_to_show->fb->base_y.size);
memcpy((void *)inst->cur_fb->base_c.va,
(void *)frm_to_show->fb->base_c.va,
frm_to_show->fb->base_c.size);
} else {
/* After resolution change case, current CAPTURE buffer
* may have less buffer size than frm_to_show buffer
* size
*/
if (frm_to_show->fb != NULL)
mtk_vdec_err(inst->ctx,
"base_y.size=%zu, frm_to_show: base_y.size=%zu",
inst->cur_fb->base_y.size,
frm_to_show->fb->base_y.size);
}
if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
if (vsi->show_frame & BIT(0))
vp9_add_to_fb_disp_list(inst, inst->cur_fb);
}
} else {
if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
if (vsi->show_frame & BIT(0))
vp9_add_to_fb_disp_list(inst, frm_to_show->fb);
}
}
/* when ref_cnt ==0, move this fb to fb_free_list. v4l2 driver will
* clean fb_free_list
*/
if (vsi->frm_bufs[vsi->new_fb_idx].ref_cnt == 0) {
if (!vp9_is_sf_ref_fb(
inst, vsi->frm_bufs[vsi->new_fb_idx].buf.fb)) {
struct vdec_fb *fb;
fb = vp9_rm_from_fb_use_list(inst,
vsi->frm_bufs[vsi->new_fb_idx].buf.fb->base_y.va);
vp9_add_to_fb_free_list(inst, fb);
} else {
vp9_free_sf_ref_fb(
vsi->frm_bufs[vsi->new_fb_idx].buf.fb);
}
}
/* if this super frame and it is not last sub-frame, get next fb for
* sub-frame decode
*/
if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt)
vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst);
}
static bool vp9_wait_dec_end(struct vdec_vp9_inst *inst)
{
struct mtk_vcodec_dec_ctx *ctx = inst->ctx;
mtk_vcodec_wait_for_done_ctx(inst->ctx,
MTK_INST_IRQ_RECEIVED,
WAIT_INTR_TIMEOUT_MS, 0);
if (ctx->irq_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS)
return true;
else
return false;
}
static struct vdec_vp9_inst *vp9_alloc_inst(struct mtk_vcodec_dec_ctx *ctx)
{
int result;
struct mtk_vcodec_mem mem;
struct vdec_vp9_inst *inst;
memset(&mem, 0, sizeof(mem));
mem.size = sizeof(struct vdec_vp9_inst);
result = mtk_vcodec_mem_alloc(ctx, &mem);
if (result)
return NULL;
inst = mem.va;
inst->mem = mem;
return inst;
}
static void vp9_free_inst(struct vdec_vp9_inst *inst)
{
struct mtk_vcodec_mem mem;
mem = inst->mem;
if (mem.va)
mtk_vcodec_mem_free(inst->ctx, &mem);
}
static bool vp9_decode_end_proc(struct vdec_vp9_inst *inst)
{
struct vdec_vp9_vsi *vsi = inst->vsi;
bool ret = false;
if (!vsi->show_existing_frame) {
ret = vp9_wait_dec_end(inst);
if (!ret) {
mtk_vdec_err(inst->ctx, "Decode failed, Decode Timeout @[%d]",
vsi->frm_num);
return false;
}
if (vpu_dec_end(&inst->vpu)) {
mtk_vdec_err(inst->ctx, "vp9_dec_vpu_end failed");
return false;
}
mtk_vdec_debug(inst->ctx, "Decode Ok @%d (%d/%d)", vsi->frm_num,
vsi->pic_w, vsi->pic_h);
} else {
mtk_vdec_debug(inst->ctx, "Decode Ok @%d (show_existing_frame)", vsi->frm_num);
}
vp9_swap_frm_bufs(inst);
vsi->frm_num++;
return true;
}
static bool vp9_is_last_sub_frm(struct vdec_vp9_inst *inst)
{
struct vdec_vp9_vsi *vsi = inst->vsi;
if (vsi->sf_frm_cnt <= 0 || vsi->sf_frm_idx == vsi->sf_frm_cnt)
return true;
return false;
}
static struct vdec_fb *vp9_rm_from_fb_disp_list(struct vdec_vp9_inst *inst)
{
struct vdec_fb_node *node;
struct vdec_fb *fb = NULL;
node = list_first_entry_or_null(&inst->fb_disp_list,
struct vdec_fb_node, list);
if (node) {
fb = (struct vdec_fb *)node->fb;
fb->status |= FB_ST_DISPLAY;
list_move_tail(&node->list, &inst->available_fb_node_list);
mtk_vdec_debug(inst->ctx, "[FB] get disp fb %p st=%d", node->fb, fb->status);
} else
mtk_vdec_debug(inst->ctx, "[FB] there is no disp fb");
return fb;
}
static bool vp9_add_to_fb_use_list(struct vdec_vp9_inst *inst,
struct vdec_fb *fb)
{
struct vdec_fb_node *node;
if (!fb) {
mtk_vdec_debug(inst->ctx, "fb == NULL");
return false;
}
node = list_first_entry_or_null(&inst->available_fb_node_list,
struct vdec_fb_node, list);
if (node) {
node->fb = fb;
list_move_tail(&node->list, &inst->fb_use_list);
} else {
mtk_vdec_err(inst->ctx, "No free fb node");
return false;
}
return true;
}
static void vp9_reset(struct vdec_vp9_inst *inst)
{
struct vdec_fb_node *node, *tmp;
list_for_each_entry_safe(node, tmp, &inst->fb_use_list, list)
list_move_tail(&node->list, &inst->fb_free_list);
vp9_free_all_sf_ref_fb(inst);
inst->vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst);
if (vpu_dec_reset(&inst->vpu))
mtk_vdec_err(inst->ctx, "vp9_dec_vpu_reset failed");
/* Set the va again, since vpu_dec_reset will clear mv_buf in vpu */
inst->vsi->mv_buf.va = (unsigned long)inst->mv_buf.va;
inst->vsi->mv_buf.pa = (unsigned long)inst->mv_buf.dma_addr;
inst->vsi->mv_buf.sz = (unsigned long)inst->mv_buf.size;
/* Set the va again, since vpu_dec_reset will clear seg_id_buf in vpu */
inst->vsi->seg_id_buf.va = (unsigned long)inst->seg_id_buf.va;
inst->vsi->seg_id_buf.pa = (unsigned long)inst->seg_id_buf.dma_addr;
inst->vsi->seg_id_buf.sz = (unsigned long)inst->seg_id_buf.size;
}
static void init_all_fb_lists(struct vdec_vp9_inst *inst)
{
int i;
INIT_LIST_HEAD(&inst->available_fb_node_list);
INIT_LIST_HEAD(&inst->fb_use_list);
INIT_LIST_HEAD(&inst->fb_free_list);
INIT_LIST_HEAD(&inst->fb_disp_list);
for (i = 0; i < ARRAY_SIZE(inst->dec_fb); i++) {
INIT_LIST_HEAD(&inst->dec_fb[i].list);
inst->dec_fb[i].fb = NULL;
list_add_tail(&inst->dec_fb[i].list,
&inst->available_fb_node_list);
}
}
static void get_pic_info(struct vdec_vp9_inst *inst, struct vdec_pic_info *pic)
{
pic->fb_sz[0] = inst->vsi->buf_sz_y_bs + inst->vsi->buf_len_sz_y;
pic->fb_sz[1] = inst->vsi->buf_sz_c_bs + inst->vsi->buf_len_sz_c;
pic->pic_w = inst->vsi->pic_w;
pic->pic_h = inst->vsi->pic_h;
pic->buf_w = inst->vsi->buf_w;
pic->buf_h = inst->vsi->buf_h;
mtk_vdec_debug(inst->ctx, "pic(%d, %d), buf(%d, %d)",
pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
mtk_vdec_debug(inst->ctx, "fb size: Y(%d), C(%d)", pic->fb_sz[0], pic->fb_sz[1]);
}
static void get_disp_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb)
{
*out_fb = vp9_rm_from_fb_disp_list(inst);
if (*out_fb)
(*out_fb)->status |= FB_ST_DISPLAY;
}
static void get_free_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb)
{
struct vdec_fb_node *node;
struct vdec_fb *fb = NULL;
node = list_first_entry_or_null(&inst->fb_free_list,
struct vdec_fb_node, list);
if (node) {
list_move_tail(&node->list, &inst->available_fb_node_list);
fb = (struct vdec_fb *)node->fb;
fb->status |= FB_ST_FREE;
mtk_vdec_debug(inst->ctx, "[FB] get free fb %p st=%d", node->fb, fb->status);
} else {
mtk_vdec_debug(inst->ctx, "[FB] there is no free fb");
}
*out_fb = fb;
}
static int validate_vsi_array_indexes(struct vdec_vp9_inst *inst,
struct vdec_vp9_vsi *vsi) {
if (vsi->sf_frm_idx > VP9_MAX_SUPER_FRAMES_NUM) {
mtk_vdec_err(inst->ctx, "Invalid vsi->sf_frm_idx=%u.", vsi->sf_frm_idx);
return -EIO;
}
if (vsi->frm_to_show_idx >= VP9_MAX_FRM_BUF_NUM) {
mtk_vdec_err(inst->ctx, "Invalid vsi->frm_to_show_idx=%u.", vsi->frm_to_show_idx);
return -EIO;
}
if (vsi->new_fb_idx >= VP9_MAX_FRM_BUF_NUM) {
mtk_vdec_err(inst->ctx, "Invalid vsi->new_fb_idx=%u.", vsi->new_fb_idx);
return -EIO;
}
return 0;
}
static void vdec_vp9_deinit(void *h_vdec)
{
struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
struct mtk_vcodec_mem *mem;
int ret = 0;
ret = vpu_dec_deinit(&inst->vpu);
if (ret)
mtk_vdec_err(inst->ctx, "vpu_dec_deinit failed");
mem = &inst->mv_buf;
if (mem->va)
mtk_vcodec_mem_free(inst->ctx, mem);
mem = &inst->seg_id_buf;
if (mem->va)
mtk_vcodec_mem_free(inst->ctx, mem);
vp9_free_all_sf_ref_fb(inst);
vp9_free_inst(inst);
}
static int vdec_vp9_init(struct mtk_vcodec_dec_ctx *ctx)
{
struct vdec_vp9_inst *inst;
inst = vp9_alloc_inst(ctx);
if (!inst)
return -ENOMEM;
inst->total_frm_cnt = 0;
inst->ctx = ctx;
inst->vpu.id = IPI_VDEC_VP9;
inst->vpu.ctx = ctx;
if (vpu_dec_init(&inst->vpu)) {
mtk_vdec_err(inst->ctx, "vp9_dec_vpu_init failed");
goto err_deinit_inst;
}
inst->vsi = (struct vdec_vp9_vsi *)inst->vpu.vsi;
inst->vsi->show_frame |= BIT(3);
init_all_fb_lists(inst);
ctx->drv_handle = inst;
return 0;
err_deinit_inst:
vp9_free_inst(inst);
return -EINVAL;
}
static int vdec_vp9_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
struct vdec_fb *fb, bool *res_chg)
{
int ret = 0;
struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
struct vdec_vp9_vsi *vsi = inst->vsi;
u32 data[3];
int i;
*res_chg = false;
if ((bs == NULL) && (fb == NULL)) {
mtk_vdec_debug(inst->ctx, "[EOS]");
vp9_reset(inst);
return ret;
}
if (bs == NULL) {
mtk_vdec_err(inst->ctx, "bs == NULL");
return -EINVAL;
}
mtk_vdec_debug(inst->ctx, "Input BS Size = %zu", bs->size);
while (1) {
struct vdec_fb *cur_fb = NULL;
data[0] = *((unsigned int *)bs->va);
data[1] = *((unsigned int *)(bs->va + 4));
data[2] = *((unsigned int *)(bs->va + 8));
vsi->bs = *bs;
if (fb)
vsi->fb = *fb;
if (!vsi->sf_init) {
unsigned int sf_bs_sz;
unsigned int sf_bs_off;
unsigned char *sf_bs_src;
unsigned char *sf_bs_dst;
sf_bs_sz = bs->size > VP9_SUPER_FRAME_BS_SZ ?
VP9_SUPER_FRAME_BS_SZ : bs->size;
sf_bs_off = VP9_SUPER_FRAME_BS_SZ - sf_bs_sz;
sf_bs_src = bs->va + bs->size - sf_bs_sz;
sf_bs_dst = vsi->sf_bs_buf + sf_bs_off;
memcpy(sf_bs_dst, sf_bs_src, sf_bs_sz);
} else {
if ((vsi->sf_frm_cnt > 0) &&
(vsi->sf_frm_idx < vsi->sf_frm_cnt)) {
unsigned int idx = vsi->sf_frm_idx;
memcpy((void *)bs->va,
(void *)(bs->va +
vsi->sf_frm_offset[idx]),
vsi->sf_frm_sz[idx]);
}
}
if (!(vsi->show_frame & BIT(4)))
memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
ret = vpu_dec_start(&inst->vpu, data, 3);
if (ret) {
mtk_vdec_err(inst->ctx, "vpu_dec_start failed");
goto DECODE_ERROR;
}
if (vsi->show_frame & BIT(1)) {
memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
if (vsi->show_frame & BIT(2)) {
ret = vpu_dec_start(&inst->vpu, NULL, 0);
if (ret) {
mtk_vdec_err(inst->ctx, "vpu trig decoder failed");
goto DECODE_ERROR;
}
}
}
ret = validate_vsi_array_indexes(inst, vsi);
if (ret) {
mtk_vdec_err(inst->ctx, "Invalid values from VPU.");
goto DECODE_ERROR;
}
if (vsi->resolution_changed) {
if (!vp9_alloc_work_buf(inst)) {
ret = -EIO;
goto DECODE_ERROR;
}
}
if (vsi->sf_frm_cnt > 0) {
cur_fb = &vsi->sf_ref_fb[vsi->sf_next_ref_fb_idx].fb;
if (vsi->sf_frm_idx < vsi->sf_frm_cnt)
inst->cur_fb = cur_fb;
else
inst->cur_fb = fb;
} else {
inst->cur_fb = fb;
}
vsi->frm_bufs[vsi->new_fb_idx].buf.fb = inst->cur_fb;
if (!vp9_is_sf_ref_fb(inst, inst->cur_fb))
vp9_add_to_fb_use_list(inst, inst->cur_fb);
mtk_vdec_debug(inst->ctx, "[#pic %d]", vsi->frm_num);
if (vsi->show_existing_frame)
mtk_vdec_debug(inst->ctx,
"drv->new_fb_idx=%d, drv->frm_to_show_idx=%d",
vsi->new_fb_idx, vsi->frm_to_show_idx);
if (vsi->show_existing_frame && (vsi->frm_to_show_idx <
VP9_MAX_FRM_BUF_NUM)) {
mtk_vdec_debug(inst->ctx,
"Skip Decode drv->new_fb_idx=%d, drv->frm_to_show_idx=%d",
vsi->new_fb_idx, vsi->frm_to_show_idx);
vp9_ref_cnt_fb(inst, &vsi->new_fb_idx,
vsi->frm_to_show_idx);
}
/* VPU assign the buffer pointer in its address space,
* reassign here
*/
for (i = 0; i < ARRAY_SIZE(vsi->frm_refs); i++) {
unsigned int idx = vsi->frm_refs[i].idx;
vsi->frm_refs[i].buf = &vsi->frm_bufs[idx].buf;
}
if (vsi->resolution_changed) {
*res_chg = true;
mtk_vdec_debug(inst->ctx, "VDEC_ST_RESOLUTION_CHANGED");
ret = 0;
goto DECODE_ERROR;
}
if (!vp9_decode_end_proc(inst)) {
mtk_vdec_err(inst->ctx, "vp9_decode_end_proc");
ret = -EINVAL;
goto DECODE_ERROR;
}
if (vp9_is_last_sub_frm(inst))
break;
}
inst->total_frm_cnt++;
DECODE_ERROR:
if (ret < 0)
vp9_add_to_fb_free_list(inst, fb);
return ret;
}
static void get_crop_info(struct vdec_vp9_inst *inst, struct v4l2_rect *cr)
{
cr->left = 0;
cr->top = 0;
cr->width = inst->vsi->pic_w;
cr->height = inst->vsi->pic_h;
mtk_vdec_debug(inst->ctx, "get crop info l=%d, t=%d, w=%d, h=%d\n",
cr->left, cr->top, cr->width, cr->height);
}
static int vdec_vp9_get_param(void *h_vdec, enum vdec_get_param_type type,
void *out)
{
struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
int ret = 0;
switch (type) {
case GET_PARAM_DISP_FRAME_BUFFER:
get_disp_fb(inst, out);
break;
case GET_PARAM_FREE_FRAME_BUFFER:
get_free_fb(inst, out);
break;
case GET_PARAM_PIC_INFO:
get_pic_info(inst, out);
break;
case GET_PARAM_DPB_SIZE:
*((unsigned int *)out) = MAX_VP9_DPB_SIZE;
break;
case GET_PARAM_CROP_INFO:
get_crop_info(inst, out);
break;
default:
mtk_vdec_err(inst->ctx, "not supported param type %d", type);
ret = -EINVAL;
break;
}
return ret;
}
const struct vdec_common_if vdec_vp9_if = {
.init = vdec_vp9_init,
.decode = vdec_vp9_decode,
.get_param = vdec_vp9_get_param,
.deinit = vdec_vp9_deinit,
};
Codebase Browser
linux