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Message-ID: <1460548915-17536-6-git-send-email-tiffany.lin@mediatek.com>
Date: Wed, 13 Apr 2016 20:01:53 +0800
From: Tiffany Lin <tiffany.lin@...iatek.com>
To: Hans Verkuil <hans.verkuil@...co.com>,
<daniel.thompson@...aro.org>, Rob Herring <robh+dt@...nel.org>,
Mauro Carvalho Chehab <mchehab@....samsung.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Daniel Kurtz <djkurtz@...omium.org>,
Pawel Osciak <posciak@...omium.org>
CC: Eddie Huang <eddie.huang@...iatek.com>,
Yingjoe Chen <yingjoe.chen@...iatek.com>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-media@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <PoChun.Lin@...iatek.com>,
<Tiffany.lin@...iatek.com>, Tiffany Lin <tiffany.lin@...iatek.com>,
PC Chen <pc.chen@...iatek.com>
Subject: [PATCH 5/7] [media] vcodec: mediatek: Add Mediatek VP8 Video Decoder Driver
Add vp8 decoder driver for MT8173
Signed-off-by: PC Chen <pc.chen@...iatek.com>
Signed-off-by: Tiffany Lin <tiffany.lin@...iatek.com>
---
drivers/media/platform/mtk-vcodec/Makefile | 1 +
.../media/platform/mtk-vcodec/vdec/vdec_vp8_if.c | 630 ++++++++++++++++++++
drivers/media/platform/mtk-vcodec/vdec_drv_if.c | 3 +
3 files changed, 634 insertions(+)
create mode 100644 drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile
index 58243ed..7743c81 100644
--- a/drivers/media/platform/mtk-vcodec/Makefile
+++ b/drivers/media/platform/mtk-vcodec/Makefile
@@ -4,6 +4,7 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-dec.o \
mtk-vcodec-common.o
mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
+ vdec/vdec_vp8_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_vp8_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
new file mode 100644
index 0000000..9b6ef9d
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
@@ -0,0 +1,630 @@
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Jungchang Tsao <jungchang.tsao@...iatek.com>
+ * PC Chen <pc.chen@...iatek.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_vcodec_intr.h"
+#include "vdec_vpu_if.h"
+#include "vdec_drv_base.h"
+
+#define VP8_VP_WRAP_SZ (45 * 4096)
+#define VP8_SEGID_DRAM_ADDR 0x3c
+#define VP8_HW_DATA_ADDR 0x93C
+#define VP8_HW_DATA_VALUE 0x940
+#define VP8_BSASET 0x100
+#define VP8_BSDSET 0x104
+#define VP8_DEC_DATA_PROCESSING_LOOP 96
+
+#define VP8_RW_CKEN_SET 0x0
+#define VP8_RW_DCM_CON 0x18
+#define VP8_WO_VLD_SRST 0x108
+#define VP8_RW_MISC_SYS_SEL 0x84
+#define VP8_RW_MISC_SPEC_CON 0xC8
+#define VP8_WO_VLD_SRST 0x108
+#define VP8_RW_VP8_CTRL 0xA4
+#define VP8_RW_MISC_DCM_CON 0xEC
+#define VP8_RW_MISC_SRST 0xF4
+#define VP8_RW_MISC_FUNC_CON 0xCC
+
+#define VP8_MAX_FRM_BUFF_NUM 5
+#define VP8_HW_DATA_SZ 272
+#define VP8_DEC_DATA_SZ 300
+
+/**
+ * struct vdec_vp8_dec_info - decode misc information
+ * @vp_wrapper_dma : wrapper buffer dma
+ * @prev_y_dma : previous decoded frame buffer Y plane address
+ * @cur_y_fb_dma : current plane Y frame buffer dma
+ * @cur_c_fb_dma : current plane C frame buffer dma
+ * @bs_dma : bitstream dma
+ * @bs_sz : current plane C frame buffer dma
+ * @resolution_changed: resolution change flag
+ * @show_frame : display this frame or not
+ * @wait_key_frame : wait key frame coming
+ */
+struct vdec_vp8_dec_info {
+ uint64_t vp_wrapper_dma;
+ uint64_t prev_y_dma;
+ uint64_t cur_y_fb_dma;
+ uint64_t cur_c_fb_dma;
+ uint64_t bs_dma;
+ uint32_t bs_sz;
+ uint32_t resolution_changed;
+ uint32_t show_frame;
+ uint32_t wait_key_frame;
+};
+
+/**
+ * struct vdec_vp8_vsi - VPU shared information
+ * @dec : decoding information
+ * @pic : picture information
+ * @dec_data : decode data
+ * @segid_wrapper_work : seg id wrapper buffer
+ * @load_data : flag to indicate reload decode data
+ */
+struct vdec_vp8_vsi {
+ struct vdec_vp8_dec_info dec;
+ struct vdec_pic_info pic;
+ unsigned int dec_data[VP8_DEC_DATA_SZ];
+ unsigned int segid_wrapper_work[VP8_HW_DATA_SZ][4];
+ unsigned int load_data;
+};
+
+/**
+ * struct vdec_vp8_hw_reg_base - HW register base
+ * @sys : base address for sys
+ * @misc : base address for misc
+ * @ld : base address for ld
+ * @top : base address for top
+ * @cm : base address for cm
+ * @hwd : base address for hwd
+ * @hwb : base address for hwb
+*/
+struct vdec_vp8_hw_reg_base {
+ void __iomem *sys;
+ void __iomem *misc;
+ void __iomem *ld;
+ void __iomem *top;
+ void __iomem *cm;
+ void __iomem *hwd;
+ void __iomem *hwb;
+};
+
+/**
+ * struct vdec_vp8_vpu_inst - VPU instance for VP8 decode
+ * @wq_hd : Wait queue to wait VPU message ack
+ * @signaled : 1 - Host has received ack message from VPU, 0 - not recevie
+ * @failure : VPU execution result status
+ * @inst_addr : VPU decoder instance addr
+ */
+struct vdec_vp8_vpu_inst {
+ wait_queue_head_t wq_hd;
+ int signaled;
+ int failure;
+ unsigned int inst_addr;
+};
+
+/* frame buffer (fb) list
+ * [dec_fb_list] - decode fb are initialized to 0 and populated in
+ * [dec_use_list] - fb is set after decode and is moved to this list
+ * [dec_free_list] - fb is not needed for reference will be moved from
+ * [dec_use_list] to [dec_free_list] and
+ * once user remove fb from [dec_free_list],
+ * it is circulated back to [dec_fb_list]
+ * [disp_fb_list] - display fb are initialized to 0 and populated in
+ * [disp_rdy_list] - fb is set after decode and is moved to this list
+ * once user remove fb from [disp_rdy_list] it is
+ * circulated back to [disp_fb_list]
+ */
+
+/**
+ * struct vdec_vp8_inst - VP8 decoder instance
+ * @cur_fb : current frame buffer
+ * @dec_fb : decode frame buffer node
+ * @disp_fb : display frame buffer node
+ * @dec_fb_list : list to store decode frame buffer
+ * @dec_use_list : list to store frame buffer in use
+ * @dec_free_list : list to store free frame buffer
+ * @disp_fb_list : list to store display frame buffer
+ * @disp_rdy_list : list to store display ready frame buffer
+ * @vp_wrapper_buf : decoder working buffer
+ * @reg_base : hw register base address
+ * @frm_cnt : decode frame count
+ * @ctx : V4L2 context
+ * @dev : platform device
+ * @vpu : VPU instance for decoder
+ * @vsi : VPU share information
+ */
+struct vdec_vp8_inst {
+ struct vdec_fb *cur_fb;
+ struct vdec_fb_node dec_fb[VP8_MAX_FRM_BUFF_NUM];
+ struct vdec_fb_node disp_fb[VP8_MAX_FRM_BUFF_NUM];
+ struct list_head dec_fb_list;
+ struct list_head dec_use_list;
+ struct list_head dec_free_list;
+ struct list_head disp_fb_list;
+ struct list_head disp_rdy_list;
+ struct mtk_vcodec_mem vp_wrapper_buf;
+ struct vdec_vp8_hw_reg_base reg_base;
+ unsigned int frm_cnt;
+ struct mtk_vcodec_ctx *ctx;
+ struct vdec_vpu_inst vpu;
+ struct vdec_vp8_vsi *vsi;
+};
+
+static void get_hw_reg_base(struct vdec_vp8_inst *inst)
+{
+ inst->reg_base.top = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_TOP);
+ inst->reg_base.cm = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_CM);
+ inst->reg_base.hwd = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_HWD);
+ inst->reg_base.sys = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_SYS);
+ inst->reg_base.misc = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_MISC);
+ inst->reg_base.ld = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_LD);
+ inst->reg_base.hwb = mtk_vcodec_get_reg_addr(inst->ctx, VDEC_HWB);
+}
+
+static void write_hw_data(struct vdec_vp8_inst *inst)
+{
+ int i, j;
+ unsigned int seg_id_addr;
+ unsigned int val;
+ void __iomem *cm = inst->reg_base.cm;
+
+ seg_id_addr = readl(inst->reg_base.top + VP8_SEGID_DRAM_ADDR) >> 4;
+
+ for (i = 0; i < VP8_HW_DATA_SZ; i++) {
+ for (j = 3; j >= 0; j--) {
+ val = (1 << 16) + ((seg_id_addr + i) << 2) + j;
+ writel(val, cm + VP8_HW_DATA_ADDR);
+
+ val = inst->vsi->segid_wrapper_work[i][j];
+ writel(val, cm + VP8_HW_DATA_VALUE);
+ }
+ }
+}
+
+static void read_hw_data(struct vdec_vp8_inst *inst)
+{
+ int i, j;
+ unsigned int seg_id_addr;
+ unsigned int val;
+ void __iomem *cm = inst->reg_base.cm;
+
+ seg_id_addr = readl(inst->reg_base.top + VP8_SEGID_DRAM_ADDR) >> 4;
+
+ for (i = 0; i < VP8_HW_DATA_SZ; i++) {
+ for (j = 3; j >= 0; j--) {
+ val = ((seg_id_addr + i) << 2) + j;
+ writel(val, cm + VP8_HW_DATA_ADDR);
+
+ val = readl(cm + VP8_HW_DATA_VALUE);
+ inst->vsi->segid_wrapper_work[i][j] = val;
+ }
+ }
+}
+
+static void enable_hw_rw_dec_data(struct vdec_vp8_inst *inst)
+{
+ unsigned int reg_val = 0;
+ void __iomem *sys = inst->reg_base.sys;
+ void __iomem *misc = inst->reg_base.misc;
+ void __iomem *ld = inst->reg_base.ld;
+ void __iomem *hwb = inst->reg_base.hwb;
+ void __iomem *hwd = inst->reg_base.hwd;
+
+ writel(0x1, sys + VP8_RW_CKEN_SET);
+ writel(0x101, ld + VP8_WO_VLD_SRST);
+ writel(0x101, hwb + VP8_WO_VLD_SRST);
+
+ writel(1, sys);
+ reg_val = readl(misc + VP8_RW_MISC_SRST);
+ writel((reg_val & 0xFFFFFFFE), misc + VP8_RW_MISC_SRST);
+
+ writel(0x1, misc + VP8_RW_MISC_SYS_SEL);
+ writel(0x17F, misc + VP8_RW_MISC_SPEC_CON);
+ writel(0x71201100, misc + VP8_RW_MISC_FUNC_CON);
+ writel(0x0, ld + VP8_WO_VLD_SRST);
+ writel(0x0, hwb + VP8_WO_VLD_SRST);
+ writel(0x1, sys + VP8_RW_DCM_CON);
+ writel(0x1, misc + VP8_RW_MISC_DCM_CON);
+ writel(0x1, hwd + VP8_RW_VP8_CTRL);
+}
+
+static void store_dec_data(struct vdec_vp8_inst *inst)
+{
+ int i, j;
+ unsigned int addr = 0, val = 0;
+ void __iomem *hwd = inst->reg_base.hwd;
+ unsigned int *p = &inst->vsi->dec_data[2];
+
+ for (i = 0; i < VP8_DEC_DATA_PROCESSING_LOOP; i++) {
+ writel(addr, hwd + VP8_BSASET);
+ for (j = 0; j < 3 ; j++) {
+ val = *p++;
+ writel(val, hwd + VP8_BSDSET);
+ }
+ addr += 4;
+ }
+}
+
+static void load_dec_data(struct vdec_vp8_inst *inst)
+{
+ int i;
+ unsigned int addr = 0;
+ unsigned int *p = &inst->vsi->dec_data[2];
+ void __iomem *hwd = inst->reg_base.hwd;
+
+ for (i = 0; i < VP8_DEC_DATA_PROCESSING_LOOP; i++) {
+ writel(addr, hwd + VP8_BSASET);
+ *p++ = readl(hwd + VP8_BSDSET);
+ *p++ = readl(hwd + VP8_BSDSET);
+ *p++ = readl(hwd + VP8_BSDSET) & 0xFFFFFF;
+ addr += 4;
+ }
+}
+
+static void get_pic_info(struct vdec_vp8_inst *inst, struct vdec_pic_info *pic)
+{
+ pic->pic_w = inst->vsi->pic.pic_w;
+ pic->pic_h = inst->vsi->pic.pic_h;
+ pic->buf_w = inst->vsi->pic.buf_w;
+ pic->buf_h = inst->vsi->pic.buf_h;
+ pic->y_bs_sz = inst->vsi->pic.y_bs_sz;
+ pic->c_bs_sz = inst->vsi->pic.c_bs_sz;
+ pic->y_len_sz = inst->vsi->pic.y_len_sz;
+ pic->c_len_sz = inst->vsi->pic.c_len_sz;
+
+ 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 int vp8_dec_finish(struct vdec_vp8_inst *inst)
+{
+ struct vdec_fb_node *node;
+ uint64_t prev_y_dma = inst->vsi->dec.prev_y_dma;
+
+ mtk_vcodec_debug(inst, "prev fb base dma=%llx", prev_y_dma);
+
+ /* put last decode ok frame to dec_free_list */
+ if (0 != prev_y_dma) {
+ list_for_each_entry(node, &inst->dec_use_list, list) {
+ struct vdec_fb *fb = (struct vdec_fb *)node->fb;
+
+ if (prev_y_dma == (unsigned long)fb->base_y.dma_addr) {
+ list_move_tail(&node->list,
+ &inst->dec_free_list);
+ break;
+ }
+ }
+ }
+
+ /* dec_fb_list -> dec_use_list */
+ node = list_first_entry(&inst->dec_fb_list, struct vdec_fb_node, list);
+ node->fb = inst->cur_fb;
+ list_move_tail(&node->list, &inst->dec_use_list);
+
+ /* disp_fb_list -> disp_rdy_list */
+ if (inst->vsi->dec.show_frame) {
+ node = list_first_entry(&inst->disp_fb_list,
+ struct vdec_fb_node, list);
+ node->fb = inst->cur_fb;
+ list_move_tail(&node->list, &inst->disp_rdy_list);
+ }
+
+ return 0;
+}
+
+static void move_fb_list_use_to_free(struct vdec_vp8_inst *inst)
+{
+ struct vdec_fb_node *node, *tmp;
+
+ list_for_each_entry_safe(node, tmp, &inst->dec_use_list, list)
+ list_move_tail(&node->list, &inst->dec_free_list);
+}
+
+static void init_list(struct vdec_vp8_inst *inst)
+{
+ int i;
+
+ INIT_LIST_HEAD(&inst->dec_fb_list);
+ INIT_LIST_HEAD(&inst->dec_use_list);
+ INIT_LIST_HEAD(&inst->dec_free_list);
+ INIT_LIST_HEAD(&inst->disp_fb_list);
+ INIT_LIST_HEAD(&inst->disp_rdy_list);
+
+ for (i = 0; i < VP8_MAX_FRM_BUFF_NUM; i++) {
+ INIT_LIST_HEAD(&inst->dec_fb[i].list);
+ inst->dec_fb[i].fb = NULL;
+ list_add_tail(&inst->dec_fb[i].list, &inst->dec_fb_list);
+
+ INIT_LIST_HEAD(&inst->disp_fb[i].list);
+ inst->disp_fb[i].fb = NULL;
+ list_add_tail(&inst->disp_fb[i].list, &inst->disp_fb_list);
+ }
+}
+
+static void add_fb_to_free_list(struct vdec_vp8_inst *inst, void *fb)
+{
+ struct vdec_fb_node *node;
+
+ if (fb) {
+ node = list_first_entry(&inst->dec_fb_list,
+ struct vdec_fb_node, list);
+ node->fb = fb;
+ list_move_tail(&node->list, &inst->dec_free_list);
+ }
+}
+
+static int alloc_all_working_buf(struct vdec_vp8_inst *inst)
+{
+ int err;
+ struct mtk_vcodec_mem *mem = &inst->vp_wrapper_buf;
+
+ mem->size = VP8_VP_WRAP_SZ;
+ err = mtk_vcodec_mem_alloc(inst->ctx, mem);
+ if (err) {
+ mtk_vcodec_err(inst, "Cannot allocate vp wrapper buffer");
+ return -ENOMEM;
+ }
+
+ inst->vsi->dec.vp_wrapper_dma = (u64)mem->dma_addr;
+ return 0;
+}
+
+static void free_all_working_buf(struct vdec_vp8_inst *inst)
+{
+ struct mtk_vcodec_mem *mem = &inst->vp_wrapper_buf;
+
+ if (mem->va)
+ mtk_vcodec_mem_free(inst->ctx, mem);
+
+ inst->vsi->dec.vp_wrapper_dma = 0;
+}
+
+static int vdec_vp8_init(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec)
+{
+ struct vdec_vp8_inst *inst;
+ int err;
+
+ inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+ if (!inst)
+ return -ENOMEM;
+
+ inst->ctx = ctx;
+
+ inst->vpu.id = IPI_VDEC_VP8;
+ inst->vpu.dev = ctx->dev->vpu_plat_dev;
+ inst->vpu.ctx = ctx;
+ inst->vpu.handler = vpu_dec_ipi_handler;
+
+ err = vpu_dec_init(&inst->vpu);
+ if (err) {
+ mtk_vcodec_err(inst, "vdec_vp8 init err=%d", err);
+ goto error_free_inst;
+ }
+
+ inst->vsi = (struct vdec_vp8_vsi *)inst->vpu.vsi;
+ init_list(inst);
+ err = alloc_all_working_buf(inst);
+ if (err)
+ goto error_free_buf;
+
+ get_hw_reg_base(inst);
+ mtk_vcodec_debug(inst, "VP8 Instance >> %p", inst);
+
+ *h_vdec = (unsigned long)inst;
+ return 0;
+
+error_free_buf:
+ free_all_working_buf(inst);
+error_free_inst:
+ kfree(inst);
+ return err;
+}
+
+static int vdec_vp8_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
+ struct vdec_fb *fb, bool *res_chg)
+{
+ struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
+ struct vdec_vp8_dec_info *dec = &inst->vsi->dec;
+ struct vdec_vpu_inst *vpu = &inst->vpu;
+ unsigned char *bs_va;
+ unsigned int data;
+ int err = 0;
+ uint64_t y_fb_dma;
+ uint64_t c_fb_dma;
+
+ y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0;
+ c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0;
+
+ mtk_vcodec_debug(inst, "+ [%d] FB y_dma=%llx c_dma=%llx fb=%p",
+ inst->frm_cnt, y_fb_dma, c_fb_dma, fb);
+
+ inst->cur_fb = fb;
+
+ /* bs NULL means flush decoder */
+ if (bs == NULL) {
+ move_fb_list_use_to_free(inst);
+ return vpu_dec_reset(vpu);
+ }
+
+ bs_va = (unsigned char *)bs->va;
+ data = (*(bs_va + 9) << 24) | (*(bs_va + 8) << 16) |
+ (*(bs_va + 7) << 8) | *(bs_va + 6);
+
+ dec->bs_dma = (unsigned long)bs->dma_addr;
+ dec->bs_sz = bs->size;
+ dec->cur_y_fb_dma = y_fb_dma;
+ dec->cur_c_fb_dma = c_fb_dma;
+
+ mtk_vcodec_debug(inst, "\n + FRAME[%d] +\n", inst->frm_cnt);
+
+ write_hw_data(inst);
+ enable_hw_rw_dec_data(inst);
+ store_dec_data(inst);
+
+ err = vpu_dec_start(vpu, &data, 1);
+ if (err) {
+ add_fb_to_free_list(inst, fb);
+ if (dec->wait_key_frame) {
+ mtk_vcodec_debug(inst, "wait key frame !");
+ return 0;
+ }
+
+ goto error;
+ }
+
+ if (dec->resolution_changed) {
+ mtk_vcodec_debug(inst, "- resolution_changed -");
+ *res_chg = true;
+ add_fb_to_free_list(inst, fb);
+ return 0;
+ }
+
+ /* wait decoder done interrupt */
+ mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
+ WAIT_INTR_TIMEOUT_MS);
+
+ if (inst->vsi->load_data)
+ load_dec_data(inst);
+
+ vp8_dec_finish(inst);
+ read_hw_data(inst);
+
+ err = vpu_dec_end(vpu);
+ if (err)
+ goto error;
+
+ mtk_vcodec_debug(inst, "\n - FRAME[%d] - show=%d\n", inst->frm_cnt,
+ dec->show_frame);
+ inst->frm_cnt++;
+ *res_chg = false;
+ return 0;
+
+error:
+ mtk_vcodec_err(inst, "\n - FRAME[%d] - err=%d\n", inst->frm_cnt, err);
+ return err;
+}
+
+static void get_disp_fb(struct vdec_vp8_inst *inst, struct vdec_fb **out_fb)
+{
+ struct vdec_fb_node *node;
+ struct vdec_fb *fb;
+
+ node = list_first_entry_or_null(&inst->disp_rdy_list,
+ struct vdec_fb_node, list);
+ if (node) {
+ list_move_tail(&node->list, &inst->disp_fb_list);
+ fb = (struct vdec_fb *)node->fb;
+ fb->status |= FB_ST_DISPLAY;
+ mtk_vcodec_debug(inst, "[FB] get disp fb %p st=%d",
+ node->fb, fb->status);
+ } else {
+ fb = NULL;
+ mtk_vcodec_debug(inst, "[FB] there is no disp fb");
+ }
+
+ *out_fb = fb;
+}
+
+static void get_free_fb(struct vdec_vp8_inst *inst, struct vdec_fb **out_fb)
+{
+ struct vdec_fb_node *node;
+ struct vdec_fb *fb;
+
+ node = list_first_entry_or_null(&inst->dec_free_list,
+ struct vdec_fb_node, list);
+ if (node) {
+ list_move_tail(&node->list, &inst->dec_fb_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 {
+ fb = NULL;
+ mtk_vcodec_debug(inst, "[FB] there is no free fb");
+ }
+
+ *out_fb = fb;
+}
+
+static void get_crop_info(struct vdec_vp8_inst *inst, struct v4l2_crop *cr)
+{
+ cr->c.left = 0;
+ cr->c.top = 0;
+ cr->c.width = inst->vsi->pic.pic_w;
+ cr->c.height = inst->vsi->pic.pic_h;
+ mtk_vcodec_debug(inst, "get crop info l=%d, t=%d, w=%d, h=%d",
+ cr->c.left, cr->c.top, cr->c.width, cr->c.height);
+}
+
+static int vdec_vp8_get_param(unsigned long h_vdec,
+ enum vdec_get_param_type type, void *out)
+{
+ struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
+
+ 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_CROP_INFO:
+ get_crop_info(inst, out);
+ break;
+
+ case GET_PARAM_DPB_SIZE:
+ *((unsigned int *)out) = 4;
+ break;
+
+ default:
+ mtk_vcodec_err(inst, "invalid get parameter type=%d", type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vdec_vp8_deinit(unsigned long h_vdec)
+{
+ struct vdec_vp8_inst *inst = (struct vdec_vp8_inst *)h_vdec;
+
+ mtk_vcodec_debug_enter(inst);
+
+ vpu_dec_deinit(&inst->vpu);
+ free_all_working_buf(inst);
+ kfree(inst);
+
+ return 0;
+}
+
+static struct vdec_common_if vdec_vp8_if = {
+ vdec_vp8_init,
+ vdec_vp8_decode,
+ vdec_vp8_get_param,
+ vdec_vp8_deinit,
+};
+
+struct vdec_common_if *get_vp8_dec_comm_if(void)
+{
+ return &vdec_vp8_if;
+}
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
index 576920c..6e2f065 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
@@ -25,6 +25,7 @@
#include "mtk_vpu.h"
struct vdec_common_if *get_h264_dec_comm_if(void);
+struct vdec_common_if *get_vp8_dec_comm_if(void);
int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
{
@@ -35,6 +36,8 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
ctx->dec_if = get_h264_dec_comm_if();
break;
case V4L2_PIX_FMT_VP8:
+ ctx->dec_if = get_vp8_dec_comm_if();
+ break;
case V4L2_PIX_FMT_VP9:
default:
return -EINVAL;
--
1.7.9.5
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