[PATCH v2 8/9] [media] vcodec: mediatek: Add Mediatek VP9 Video Decoder Driver

Tiffany Lin
2016-05-12T11:25:05Z

Add vp9 decoder driver for MT8173

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
---
drivers/media/platform/mtk-vcodec/Makefile | 1 +
.../media/platform/mtk-vcodec/vdec/vdec_vp9_if.c | 947 ++++++++++++++++++++
drivers/media/platform/mtk-vcodec/vdec_drv_if.c | 3 +
3 files changed, 951 insertions(+)
create mode 100644 drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c

diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile
index 7743c81..852d969 100644
--- a/drivers/media/platform/mtk-vcodec/Makefile
+++ b/drivers/media/platform/mtk-vcodec/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-dec.o \

mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
vdec/vdec_vp8_if.o \
+ vdec/vdec_vp9_if.o \
mtk_vcodec_dec_drv.o \
vdec_drv_if.o \
vdec_vpu_if.o \
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
new file mode 100644
index 0000000..d2b36fd
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
@@ -0,0 +1,947 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
+ * Kai-Sean Yang <kai-sean.yang@mediatek.com>
+ * Tiffany Lin <tiffany.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/fs.h>
+#include <linux/slab.h>
+#include <linux/syscalls.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+
+#include "../mtk_vcodec_intr.h"
+#include "../vdec_drv_base.h"
+#include "../vdec_vpu_if.h"
+
+#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 MAX_CODED_WIDTH 4096U
+#define MAX_CODED_HEIGHT 2304U
+
+
+struct vdec_vp9_frm_hdr {
+ unsigned int width;
+ unsigned int height;
+ unsigned char show_frame;
+};
+
+struct vdec_vp9_work_buf {
+ unsigned int buf_w;
+ unsigned int buf_h;
+ struct mtk_vcodec_mem mv_buf;
+};
+
+struct vp9_input_ctx {
+ unsigned long v_fifo_sa;
+ unsigned long v_fifo_ea;
+ unsigned long p_fifo_sa;
+ unsigned long p_fifo_ea;
+ unsigned long v_frm_sa;
+ unsigned long v_frm_ea;
+ unsigned long p_frm_sa;
+ unsigned long p_frm_end;
+ unsigned int frm_sz;
+ unsigned int uncompress_sz;
+};
+
+struct vp9_dram_buf {
+ unsigned long va;
+ unsigned long pa;
+ unsigned int sz;
+ unsigned int vpua;
+};
+
+struct vp9_fb_info {
+ struct vdec_fb *fb;
+ struct vp9_dram_buf y_buf;
+ struct vp9_dram_buf c_buf;
+ struct vp9_dram_buf ufo_len_y;
+ struct vp9_dram_buf ufo_len_c;
+ unsigned int y_width;
+ unsigned int y_height;
+ unsigned int y_crop_width;
+ unsigned int y_crop_height;
+
+ unsigned int c_width;
+ unsigned int c_height;
+ unsigned int c_crop_width;
+ unsigned int c_crop_height;
+
+ unsigned int frm_num;
+};
+
+struct vp9_ref_cnt_buf {
+ struct vp9_fb_info buf;
+ unsigned int ref_cnt;
+};
+
+struct vp9_scale_factors {
+ int x_scale_fp;
+ int y_scale_fp;
+ int x_step_q4;
+ int y_step_q4;
+ unsigned int ref_scaling_en;
+};
+
+struct vp9_ref_buf {
+ struct vp9_fb_info *buf;
+ struct vp9_scale_factors scale_factors;
+ unsigned int idx;
+};
+
+struct vp9_sf_ref_fb {
+ struct vdec_fb fb;
+ int used;
+ int idx;
+};
+
+/*
+ * struct vdec_vp9_vsi - shared buffer between host and VPU firmware
+ */
+struct vdec_vp9_vsi {
+ unsigned char sf_bs_buf[VP9_SUPER_FRAME_BS_SZ];
+ struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_FRM_BUF_NUM-1];
+ int sf_next_ref_fb_idx;
+ unsigned int sf_frm_cnt;
+ unsigned int sf_frm_offset[VP9_MAX_FRM_BUF_NUM-1];
+ unsigned int sf_frm_sz[VP9_MAX_FRM_BUF_NUM-1];
+ 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;
+ unsigned int refresh_frm_flags;
+ unsigned int resolution_changed;
+
+ struct vp9_input_ctx input_ctx;
+ 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 seg_id_buf;
+ struct vp9_dram_buf tile_buf;
+ struct vp9_dram_buf count_tbl_buf;
+ struct vp9_dram_buf prob_tbl_buf;
+ struct vp9_dram_buf mv_buf;
+ struct vp9_ref_buf frm_refs[REFS_PER_FRAME];
+};
+
+struct vdec_vp9_inst {
+ struct vdec_vp9_work_buf work_buf;
+ struct vdec_vp9_frm_hdr frm_hdr;
+ 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;
+ unsigned int frm_cnt;
+ unsigned int total_frm_cnt;
+ void *ctx;
+ struct vdec_vpu_inst vpu;
+ struct vdec_vp9_vsi *vsi;
+ unsigned int show_reg;
+ 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);
+ break;
+ }
+ }
+ return fb;
+}
+
+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_vcodec_debug(inst, "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;
+
+ if ((inst->frm_hdr.width > MAX_CODED_WIDTH) ||
+ (inst->frm_hdr.height > MAX_CODED_HEIGHT)) {
+ mtk_vcodec_err(inst, "Invalid w/h %d/%d",
+ inst->frm_hdr.width,
+ inst->frm_hdr.height);
+ return -1;
+ }
+
+ 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_vcodec_err(inst, "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_vcodec_err(inst, "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_vcodec_err(inst, "Cannot allocate sf_ref_fb c_buf");
+ return -1;
+ }
+ vsi->sf_ref_fb[idx].used = 0;
+ vsi->sf_ref_fb[idx].idx = idx;
+
+ 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;
+
+ if ((vsi->pic_w > MAX_CODED_WIDTH) ||
+ (vsi->pic_h > MAX_CODED_HEIGHT)) {
+ mtk_vcodec_err(inst, "Invalid w/h %d/%d",
+ inst->frm_hdr.width,
+ inst->frm_hdr.height);
+ return false;
+ }
+
+ inst->frm_hdr.width = vsi->pic_w;
+ inst->frm_hdr.height = vsi->pic_h;
+ inst->work_buf.buf_w = vsi->buf_w;
+ inst->work_buf.buf_h = vsi->buf_h;
+
+ mtk_vcodec_debug(inst, "BUF CHG(%d): w/h/sb_w/sb_h=%d/%d/%d/%d",
+ vsi->resolution_changed,
+ inst->frm_hdr.width,
+ inst->frm_hdr.height,
+ inst->work_buf.buf_w,
+ inst->work_buf.buf_h);
+
+ mem = &inst->work_buf.mv_buf;
+
+ if (mem->va)
+ mtk_vcodec_mem_free(inst->ctx, mem);
+
+ mem->size = ((inst->work_buf.buf_w / 64) *
+ (inst->work_buf.buf_h / 64) + 2) * 36 * 16;
+
+ result = mtk_vcodec_mem_alloc(inst->ctx, mem);
+ if (result) {
+ mem->size = 0;
+ mtk_vcodec_err(inst, "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;
+
+ 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_vcodec_err(inst, "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_vcodec_err(inst, "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)) {
+ memcpy((void *)inst->cur_fb->base_y.va,
+ (void *)frm_to_show->fb->base_y.va,
+ inst->work_buf.buf_w *
+ inst->work_buf.buf_h);
+ memcpy((void *)inst->cur_fb->base_c.va,
+ (void *)frm_to_show->fb->base_c.va,
+ inst->work_buf.buf_w *
+ inst->work_buf.buf_h / 2);
+ } 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_vcodec_err(inst,
+ "inst->cur_fb->base_y.size=%lx, frm_to_show->fb.base_y.size=%lx",
+ inst->cur_fb->base_y.size,
+ frm_to_show->fb->base_y.size);
+ }
+ if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
+ if (inst->frm_hdr.show_frame)
+ vp9_add_to_fb_disp_list(inst, inst->cur_fb);
+ }
+ } else {
+ if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
+ if (inst->frm_hdr.show_frame)
+ 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 - 1)
+ 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_ctx *ctx = inst->ctx;
+
+ mtk_vcodec_wait_for_done_ctx(inst->ctx,
+ MTK_INST_IRQ_RECEIVED,
+ WAIT_INTR_TIMEOUT_MS);
+
+ 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_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_vcodec_err(inst, "Decode failed, Decode Timeout @[%d]",
+ vsi->frm_num);
+ return false;
+ }
+
+ if (vpu_dec_end(&inst->vpu)) {
+ mtk_vcodec_err(inst, "vp9_dec_vpu_end failed");
+ return false;
+ }
+ mtk_vcodec_debug(inst, "Decode Ok @%d (%d/%d)", vsi->frm_num,
+ inst->frm_hdr.width, inst->frm_hdr.height);
+ } else {
+ mtk_vcodec_debug(inst, "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_vcodec_debug(inst, "[FB] get disp fb %p st=%d",
+ node->fb, fb->status);
+ } else
+ mtk_vcodec_debug(inst, "[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_vcodec_err(inst, "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_vcodec_err(inst, "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_vcodec_err(inst, "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->work_buf.mv_buf.va;
+ inst->vsi->mv_buf.pa = (unsigned long)inst->work_buf.mv_buf.dma_addr;
+ inst->vsi->mv_buf.sz = (unsigned long)inst->work_buf.mv_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->y_bs_sz = inst->vsi->buf_sz_y_bs;
+ pic->c_bs_sz = inst->vsi->buf_sz_c_bs;
+ pic->y_len_sz = inst->vsi->buf_len_sz_y;
+ pic->c_len_sz = inst->vsi->buf_len_sz_c;
+
+ pic->pic_w = inst->frm_hdr.width;
+ pic->pic_h = inst->frm_hdr.height;
+ pic->buf_w = inst->work_buf.buf_w;
+ pic->buf_h = inst->work_buf.buf_h;
+
+ mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
+ pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
+ mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
+ pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
+}
+
+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_vcodec_debug(inst, "[FB] get free fb %p st=%d",
+ node->fb, fb->status);
+ } else {
+ mtk_vcodec_debug(inst, "[FB] there is no free fb");
+ }
+
+ *out_fb = fb;
+}
+
+static int vdec_vp9_deinit(unsigned long 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_vcodec_err(inst, "vpu_dec_deinit failed");
+
+ mem = &inst->work_buf.mv_buf;
+ if (mem->va)
+ mtk_vcodec_mem_free(inst->ctx, mem);
+
+ vp9_free_all_sf_ref_fb(inst);
+ vp9_free_inst(inst);
+
+ return ret;
+}
+
+static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec)
+{
+ struct vdec_vp9_inst *inst;
+
+ inst = vp9_alloc_inst(ctx);
+ if (!inst)
+ return -ENOMEM;
+
+ inst->frm_cnt = 0;
+ inst->total_frm_cnt = 0;
+ inst->ctx = ctx;
+
+ inst->vpu.id = IPI_VDEC_VP9;
+ inst->vpu.dev = ctx->dev->vpu_plat_dev;
+ inst->vpu.ctx = ctx;
+ inst->vpu.handler = vpu_dec_ipi_handler;
+
+ if (vpu_dec_init(&inst->vpu)) {
+ mtk_vcodec_err(inst, "vp9_dec_vpu_init failed");
+ goto err_deinit_inst;
+ }
+
+ inst->vsi = (struct vdec_vp9_vsi *)inst->vpu.vsi;
+ init_all_fb_lists(inst);
+
+ (*h_vdec) = (unsigned long)inst;
+ return 0;
+
+err_deinit_inst:
+ vp9_free_inst(inst);
+
+ return -EINVAL;
+}
+
+static int vdec_vp9_decode(unsigned long 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_vcodec_debug(inst, "[EOS]");
+ vp9_reset(inst);
+ return ret;
+ }
+
+ if (bs == NULL) {
+ mtk_vcodec_err(inst, "bs == NULL");
+ return -EINVAL;;
+ }
+
+ mtk_vcodec_debug(inst, "Input BS Size = %ld", 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 *)vsi->input_ctx.v_frm_sa,
+ (void *)(vsi->input_ctx.v_frm_sa +
+ vsi->sf_frm_offset[idx]),
+ vsi->sf_frm_sz[idx]);
+ }
+ }
+ ret = vpu_dec_start(&inst->vpu, data, 3);
+ if (ret) {
+ mtk_vcodec_err(inst, "vpu_dec_start failed");
+ goto DECODE_ERROR;
+ }
+
+ if (vsi->resolution_changed) {
+ if (!vp9_alloc_work_buf(inst)) {
+ ret = -EINVAL;
+ 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_vcodec_debug(inst, "[#pic %d]", vsi->frm_num);
+
+ /* the same as VP9_SKIP_FRAME */
+ inst->frm_hdr.show_frame = vsi->show_frame;
+
+ if (vsi->show_existing_frame)
+ mtk_vcodec_debug(inst,
+ "drv->new_fb_idx=%d, drv->frm_to_show=%d",
+ vsi->new_fb_idx, vsi->frm_to_show);
+
+ if (vsi->show_existing_frame && (vsi->frm_to_show <
+ VP9_MAX_FRM_BUF_NUM)) {
+ mtk_vcodec_err(inst,
+ "Skip Decode drv->new_fb_idx=%d, drv->frm_to_show=%d",
+ vsi->new_fb_idx, vsi->frm_to_show);
+
+ vp9_ref_cnt_fb(inst, &vsi->new_fb_idx,
+ vsi->frm_to_show);
+ ret = -EINVAL;
+ goto DECODE_ERROR;
+ }
+
+ /* 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_vcodec_err(inst, ".........VDEC_ST_RESOLUTION_CHANGED");
+
+ ret = 0;
+ goto DECODE_ERROR;
+ }
+
+ if (vp9_decode_end_proc(inst) != true) {
+ mtk_vcodec_err(inst, "vp9_decode_end_proc");
+ ret = -EINVAL;
+ goto DECODE_ERROR;
+ }
+
+ inst->total_frm_cnt++;
+ if (vp9_is_last_sub_frm(inst))
+ break;
+
+ }
+ inst->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->frm_hdr.width;
+ cr->height = inst->frm_hdr.height;
+ mtk_vcodec_debug(inst, "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(unsigned long 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_vcodec_err(inst, "not supported param type %d", type);
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static struct vdec_common_if vdec_vp9_if = {
+ vdec_vp9_init,
+ vdec_vp9_decode,
+ vdec_vp9_get_param,
+ vdec_vp9_deinit,
+};
+
+struct vdec_common_if *get_vp9_dec_comm_if(void);
+
+struct vdec_common_if *get_vp9_dec_comm_if(void)
+{
+ return &vdec_vp9_if;
+}
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
index 6e2f065..f5781d7 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
@@ -26,6 +26,7 @@

struct vdec_common_if *get_h264_dec_comm_if(void);
struct vdec_common_if *get_vp8_dec_comm_if(void);
+struct vdec_common_if *get_vp9_dec_comm_if(void);

int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
{
@@ -39,6 +40,8 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
ctx->dec_if = get_vp8_dec_comm_if();
break;
case V4L2_PIX_FMT_VP9:
+ ctx->dec_if = get_vp9_dec_comm_if();
+ break;
default:
return -EINVAL;
}
--
1.7.9.5