[media] vcodec: mediatek: Add Mediatek VP8 Video Encoder Driver (27a274db) · Commits · e / devices / android_kernel_teracube_2e

drivers/media/platform/mtk-vcodec/Makefile

+5 −1

Original line number	Diff line number	Diff line


		obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-enc.o mtk-vcodec-common.o



		mtk-vcodec-enc-y := mtk_vcodec_enc.o \
		mtk-vcodec-enc-y := venc/venc_vp8_if.o \
		venc/venc_h264_if.o \
		mtk_vcodec_enc.o \
		mtk_vcodec_enc_drv.o \
		mtk_vcodec_enc_pm.o \
		venc_drv_if.o \
		venc_vpu_if.o \

		mtk-vcodec-common-y := mtk_vcodec_intr.o \
		mtk_vcodec_util.o\

drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c

0 → 100644

+481 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2016 MediaTek Inc.
		* Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
		* PoChun Lin <pochun.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/interrupt.h>
		#include <linux/kernel.h>
		#include <linux/slab.h>

		#include "../mtk_vcodec_drv.h"
		#include "../mtk_vcodec_util.h"
		#include "../mtk_vcodec_intr.h"
		#include "../mtk_vcodec_enc.h"
		#include "../mtk_vcodec_enc_pm.h"
		#include "../venc_drv_base.h"
		#include "../venc_ipi_msg.h"
		#include "../venc_vpu_if.h"
		#include "mtk_vpu.h"

		#define VENC_BITSTREAM_FRAME_SIZE 0x0098
		#define VENC_BITSTREAM_HEADER_LEN 0x00e8

		/* This ac_tag is vp8 frame tag. */
		#define MAX_AC_TAG_SIZE 10

		/**
		* enum venc_vp8_vpu_work_buf - vp8 encoder buffer index
		*/
		enum venc_vp8_vpu_work_buf {
		VENC_VP8_VPU_WORK_BUF_LUMA,
		VENC_VP8_VPU_WORK_BUF_LUMA2,
		VENC_VP8_VPU_WORK_BUF_LUMA3,
		VENC_VP8_VPU_WORK_BUF_CHROMA,
		VENC_VP8_VPU_WORK_BUF_CHROMA2,
		VENC_VP8_VPU_WORK_BUF_CHROMA3,
		VENC_VP8_VPU_WORK_BUF_MV_INFO,
		VENC_VP8_VPU_WORK_BUF_BS_HEADER,
		VENC_VP8_VPU_WORK_BUF_PROB_BUF,
		VENC_VP8_VPU_WORK_BUF_RC_INFO,
		VENC_VP8_VPU_WORK_BUF_RC_CODE,
		VENC_VP8_VPU_WORK_BUF_RC_CODE2,
		VENC_VP8_VPU_WORK_BUF_RC_CODE3,
		VENC_VP8_VPU_WORK_BUF_MAX,
		};

		/*
		* struct venc_vp8_vpu_config - Structure for vp8 encoder configuration
		* @input_fourcc: input fourcc
		* @bitrate: target bitrate (in bps)
		* @pic_w: picture width. Picture size is visible stream resolution, in pixels,
		* to be used for display purposes; must be smaller or equal to buffer
		* size.
		* @pic_h: picture height
		* @buf_w: buffer width (with 16 alignment). Buffer size is stream resolution
		* in pixels aligned to hardware requirements.
		* @buf_h: buffer height (with 16 alignment)
		* @gop_size: group of picture size (key frame)
		* @framerate: frame rate in fps
		* @ts_mode: temporal scalability mode (0: disable, 1: enable)
		* support three temporal layers - 0: 7.5fps 1: 7.5fps 2: 15fps.
		*/
		struct venc_vp8_vpu_config {
		u32 input_fourcc;
		u32 bitrate;
		u32 pic_w;
		u32 pic_h;
		u32 buf_w;
		u32 buf_h;
		u32 gop_size;
		u32 framerate;
		u32 ts_mode;
		};

		/*
		* struct venc_vp8_vpu_buf -Structure for buffer information
		* @align: buffer alignment (in bytes)
		* @iova: IO virtual address
		* @vpua: VPU side memory addr which is used by RC_CODE
		* @size: buffer size (in bytes)
		*/
		struct venc_vp8_vpu_buf {
		u32 align;
		u32 iova;
		u32 vpua;
		u32 size;
		};

		/*
		* struct venc_vp8_vsi - Structure for VPU driver control and info share
		* This structure is allocated in VPU side and shared to AP side.
		* @config: vp8 encoder configuration
		* @work_bufs: working buffer information in VPU side
		* The work_bufs here is for storing the 'size' info shared to AP side.
		* The similar item in struct venc_vp8_inst is for memory allocation
		* in AP side. The AP driver will copy the 'size' from here to the one in
		* struct mtk_vcodec_mem, then invoke mtk_vcodec_mem_alloc to allocate
		* the buffer. After that, bypass the 'dma_addr' to the 'iova' field here for
		* register setting in VPU side.
		*/
		struct venc_vp8_vsi {
		struct venc_vp8_vpu_config config;
		struct venc_vp8_vpu_buf work_bufs[VENC_VP8_VPU_WORK_BUF_MAX];
		};

		/*
		* struct venc_vp8_inst - vp8 encoder AP driver instance
		* @hw_base: vp8 encoder hardware register base
		* @work_bufs: working buffer
		* @work_buf_allocated: working buffer allocated flag
		* @frm_cnt: encoded frame count, it's used for I-frame judgement and
		* reset when force intra cmd received.
		* @ts_mode: temporal scalability mode (0: disable, 1: enable)
		* support three temporal layers - 0: 7.5fps 1: 7.5fps 2: 15fps.
		* @vpu_inst: VPU instance to exchange information between AP and VPU
		* @vsi: driver structure allocated by VPU side and shared to AP side for
		* control and info share
		* @ctx: context for v4l2 layer integration
		*/
		struct venc_vp8_inst {
		void __iomem *hw_base;
		struct mtk_vcodec_mem work_bufs[VENC_VP8_VPU_WORK_BUF_MAX];
		bool work_buf_allocated;
		unsigned int frm_cnt;
		unsigned int ts_mode;
		struct venc_vpu_inst vpu_inst;
		struct venc_vp8_vsi *vsi;
		struct mtk_vcodec_ctx *ctx;
		};

		static inline void vp8_enc_write_reg(struct venc_vp8_inst *inst, u32 addr,
		u32 val)
		{
		writel(val, inst->hw_base + addr);
		}

		static inline u32 vp8_enc_read_reg(struct venc_vp8_inst *inst, u32 addr)
		{
		return readl(inst->hw_base + addr);
		}

		static void vp8_enc_free_work_buf(struct venc_vp8_inst *inst)
		{
		int i;

		mtk_vcodec_debug_enter(inst);

		/* Buffers need to be freed by AP. */
		for (i = 0; i < VENC_VP8_VPU_WORK_BUF_MAX; i++) {
		if ((inst->work_bufs[i].size == 0))
		continue;
		mtk_vcodec_mem_free(inst->ctx, &inst->work_bufs[i]);
		}

		mtk_vcodec_debug_leave(inst);
		}

		static int vp8_enc_alloc_work_buf(struct venc_vp8_inst *inst)
		{
		int i;
		int ret = 0;
		struct venc_vp8_vpu_buf *wb = inst->vsi->work_bufs;

		mtk_vcodec_debug_enter(inst);

		for (i = 0; i < VENC_VP8_VPU_WORK_BUF_MAX; i++) {
		if ((wb[i].size == 0))
		continue;
		/*
		* 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. For the
		* RC_CODEx buffers, they are pre-allocated in the VPU side
		* because they are inside VPU SRAM, 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.
		*/
		inst->work_bufs[i].size = wb[i].size;
		ret = mtk_vcodec_mem_alloc(inst->ctx, &inst->work_bufs[i]);
		if (ret) {
		mtk_vcodec_err(inst,
		"cannot alloc work_bufs[%d]", i);
		goto err_alloc;
		}
		/*
		* This RC_CODEx is pre-allocated by VPU and saved in VPU addr.
		* So we need use memcpy to copy RC_CODEx from VPU addr into IO
		* virtual addr in 'iova' field for reg setting in VPU side.
		*/
		if (i == VENC_VP8_VPU_WORK_BUF_RC_CODE \|\|
		i == VENC_VP8_VPU_WORK_BUF_RC_CODE2 \|\|
		i == VENC_VP8_VPU_WORK_BUF_RC_CODE3) {
		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_bufs[%d] va=0x%p,iova=0x%p,size=%zu",
		i, inst->work_bufs[i].va,
		(void *)inst->work_bufs[i].dma_addr,
		inst->work_bufs[i].size);
		}

		mtk_vcodec_debug_leave(inst);

		return ret;

		err_alloc:
		vp8_enc_free_work_buf(inst);

		return ret;
		}

		static unsigned int vp8_enc_wait_venc_done(struct venc_vp8_inst *inst)
		{
		unsigned int irq_status = 0;
		struct mtk_vcodec_ctx ctx = (struct mtk_vcodec_ctx )inst->ctx;

		if (!mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
		WAIT_INTR_TIMEOUT_MS)) {
		irq_status = ctx->irq_status;
		mtk_vcodec_debug(inst, "isr return %x", irq_status);
		}
		return irq_status;
		}

		/*
		* Compose ac_tag, bitstream header and bitstream payload into
		* one bitstream buffer.
		*/
		static int vp8_enc_compose_one_frame(struct venc_vp8_inst *inst,
		struct mtk_vcodec_mem *bs_buf,
		unsigned int *bs_size)
		{
		unsigned int not_key;
		u32 bs_frm_size;
		u32 bs_hdr_len;
		unsigned int ac_tag_size;
		u8 ac_tag[MAX_AC_TAG_SIZE];

		bs_frm_size = vp8_enc_read_reg(inst, VENC_BITSTREAM_FRAME_SIZE);
		bs_hdr_len = vp8_enc_read_reg(inst, VENC_BITSTREAM_HEADER_LEN);

		/* if a frame is key frame, not_key is 0 */
		not_key = !inst->vpu_inst.is_key_frm;
		(u32 )ac_tag = __cpu_to_le32((bs_hdr_len << 5) \| 0x10 \| not_key);
		/* key frame */
		if (not_key == 0) {
		ac_tag_size = MAX_AC_TAG_SIZE;
		ac_tag[3] = 0x9d;
		ac_tag[4] = 0x01;
		ac_tag[5] = 0x2a;
		ac_tag[6] = inst->vsi->config.pic_w;
		ac_tag[7] = inst->vsi->config.pic_w >> 8;
		ac_tag[8] = inst->vsi->config.pic_h;
		ac_tag[9] = inst->vsi->config.pic_h >> 8;
		} else {
		ac_tag_size = 3;
		}

		if (bs_buf->size < bs_hdr_len + bs_frm_size + ac_tag_size) {
		mtk_vcodec_err(inst, "bitstream buf size is too small(%zu)",
		bs_buf->size);
		return -EINVAL;
		}

		/*
		* (1) The vp8 bitstream header and body are generated by the HW vp8
		* encoder separately at the same time. We cannot know the bitstream
		* header length in advance.
		* (2) From the vp8 spec, there is no stuffing byte allowed between the
		* ac tag, bitstream header and bitstream body.
		*/
		memmove(bs_buf->va + bs_hdr_len + ac_tag_size,
		bs_buf->va, bs_frm_size);
		memcpy(bs_buf->va + ac_tag_size,
		inst->work_bufs[VENC_VP8_VPU_WORK_BUF_BS_HEADER].va,
		bs_hdr_len);
		memcpy(bs_buf->va, ac_tag, ac_tag_size);
		*bs_size = bs_frm_size + bs_hdr_len + ac_tag_size;

		return 0;
		}

		static int vp8_enc_encode_frame(struct venc_vp8_inst *inst,
		struct venc_frm_buf *frm_buf,
		struct mtk_vcodec_mem *bs_buf,
		unsigned int *bs_size)
		{
		int ret = 0;
		unsigned int irq_status;

		mtk_vcodec_debug(inst, "->frm_cnt=%d", inst->frm_cnt);

		ret = vpu_enc_encode(&inst->vpu_inst, 0, frm_buf, bs_buf, bs_size);
		if (ret)
		return ret;

		irq_status = vp8_enc_wait_venc_done(inst);
		if (irq_status != MTK_VENC_IRQ_STATUS_FRM) {
		mtk_vcodec_err(inst, "irq_status=%d failed", irq_status);
		return -EIO;
		}

		if (vp8_enc_compose_one_frame(inst, bs_buf, bs_size)) {
		mtk_vcodec_err(inst, "vp8_enc_compose_one_frame failed");
		return -EINVAL;
		}

		inst->frm_cnt++;
		mtk_vcodec_debug(inst, "<-size=%d key_frm=%d", *bs_size,
		inst->vpu_inst.is_key_frm);

		return ret;
		}

		static int vp8_enc_init(struct mtk_vcodec_ctx ctx, unsigned long handle)
		{
		int ret = 0;
		struct venc_vp8_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_VP8;
		inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_LT_SYS);

		mtk_vcodec_debug_enter(inst);

		ret = vpu_enc_init(&inst->vpu_inst);

		inst->vsi = (struct venc_vp8_vsi *)inst->vpu_inst.vsi;

		mtk_vcodec_debug_leave(inst);

		if (ret)
		kfree(inst);
		else
		(*handle) = (unsigned long)inst;

		return ret;
		}

		static int vp8_enc_encode(unsigned long handle,
		enum venc_start_opt opt,
		struct venc_frm_buf *frm_buf,
		struct mtk_vcodec_mem *bs_buf,
		struct venc_done_result *result)
		{
		int ret = 0;
		struct venc_vp8_inst inst = (struct venc_vp8_inst )handle;
		struct mtk_vcodec_ctx *ctx = inst->ctx;

		mtk_vcodec_debug_enter(inst);

		enable_irq(ctx->dev->enc_lt_irq);

		switch (opt) {
		case VENC_START_OPT_ENCODE_FRAME:
		ret = vp8_enc_encode_frame(inst, frm_buf, bs_buf,
		&result->bs_size);
		if (ret)
		goto encode_err;
		result->is_key_frm = inst->vpu_inst.is_key_frm;
		break;

		default:
		mtk_vcodec_err(inst, "opt not support:%d", opt);
		ret = -EINVAL;
		break;
		}

		encode_err:

		disable_irq(ctx->dev->enc_lt_irq);
		mtk_vcodec_debug_leave(inst);

		return ret;
		}

		static int vp8_enc_set_param(unsigned long handle,
		enum venc_set_param_type type,
		struct venc_enc_param *enc_prm)
		{
		int ret = 0;
		struct venc_vp8_inst inst = (struct venc_vp8_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.ts_mode = inst->ts_mode;
		ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
		if (ret)
		break;
		if (inst->work_buf_allocated) {
		vp8_enc_free_work_buf(inst);
		inst->work_buf_allocated = false;
		}
		ret = vp8_enc_alloc_work_buf(inst);
		if (ret)
		break;
		inst->work_buf_allocated = true;
		break;

		/*
		* VENC_SET_PARAM_TS_MODE must be called before VENC_SET_PARAM_ENC
		*/
		case VENC_SET_PARAM_TS_MODE:
		inst->ts_mode = 1;
		mtk_vcodec_debug(inst, "set ts_mode");
		break;

		default:
		ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
		break;
		}

		mtk_vcodec_debug_leave(inst);

		return ret;
		}

		static int vp8_enc_deinit(unsigned long handle)
		{
		int ret = 0;
		struct venc_vp8_inst inst = (struct venc_vp8_inst )handle;

		mtk_vcodec_debug_enter(inst);

		ret = vpu_enc_deinit(&inst->vpu_inst);

		if (inst->work_buf_allocated)
		vp8_enc_free_work_buf(inst);

		mtk_vcodec_debug_leave(inst);
		kfree(inst);

		return ret;
		}

		static struct venc_common_if venc_vp8_if = {
		vp8_enc_init,
		vp8_enc_encode,
		vp8_enc_set_param,
		vp8_enc_deinit,
		};

		struct venc_common_if *get_vp8_enc_comm_if(void);

		struct venc_common_if *get_vp8_enc_comm_if(void)
		{
		return &venc_vp8_if;
		}

drivers/media/platform/mtk-vcodec/venc_drv_if.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -19,12 +19,15 @@
		#include <linux/kernel.h>
		#include <linux/slab.h>

		#include "venc_drv_base.h"
		#include "venc_drv_if.h"

		#include "mtk_vcodec_enc.h"
		#include "mtk_vcodec_enc_pm.h"
		#include "mtk_vpu.h"

		#include "venc_drv_base.h"

		struct venc_common_if *get_vp8_enc_comm_if(void);

		int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
		{
		@@ -32,6 +35,8 @@ int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)

		switch (fourcc) {
		case V4L2_PIX_FMT_VP8:
		ctx->enc_if = get_vp8_enc_comm_if();
		break;
		case V4L2_PIX_FMT_H264:
		default:
		return -EINVAL;

drivers/media/platform/mtk-vcodec/venc_vpu_if.c

0 → 100644

+237 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2016 MediaTek Inc.
		* Author: PoChun Lin <pochun.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 "mtk_vpu.h"
		#include "venc_ipi_msg.h"
		#include "venc_vpu_if.h"

		static void handle_enc_init_msg(struct venc_vpu_inst vpu, void data)
		{
		struct venc_vpu_ipi_msg_init *msg = data;

		vpu->inst_addr = msg->vpu_inst_addr;
		vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr);
		}

		static void handle_enc_encode_msg(struct venc_vpu_inst vpu, void data)
		{
		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 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 )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 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) {
		uint32_t msg_id = (uint32_t )msg;

		mtk_vcodec_err(vpu, "vpu_ipi_send msg_id %x len %d fail %d",
		msg_id, 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;
		}

		int vpu_enc_set_param(struct venc_vpu_inst *vpu,
		enum venc_set_param_type id,
		struct venc_enc_param *enc_param)
		{
		struct venc_ap_ipi_msg_set_param out;

		mtk_vcodec_debug(vpu, "id %d ->", id);

		memset(&out, 0, sizeof(out));
		out.msg_id = AP_IPIMSG_ENC_SET_PARAM;
		out.vpu_inst_addr = vpu->inst_addr;
		out.param_id = id;
		switch (id) {
		case VENC_SET_PARAM_ENC:
		out.data_item = 0;
		break;
		case VENC_SET_PARAM_FORCE_INTRA:
		out.data_item = 0;
		break;
		case VENC_SET_PARAM_ADJUST_BITRATE:
		out.data_item = 1;
		out.data[0] = enc_param->bitrate;
		break;
		case VENC_SET_PARAM_ADJUST_FRAMERATE:
		out.data_item = 1;
		out.data[0] = enc_param->frm_rate;
		break;
		case VENC_SET_PARAM_GOP_SIZE:
		out.data_item = 1;
		out.data[0] = enc_param->gop_size;
		break;
		case VENC_SET_PARAM_INTRA_PERIOD:
		out.data_item = 1;
		out.data[0] = enc_param->intra_period;
		break;
		case VENC_SET_PARAM_SKIP_FRAME:
		out.data_item = 0;
		break;
		default:
		mtk_vcodec_err(vpu, "id %d not supported", id);
		return -EINVAL;
		}
		if (vpu_enc_send_msg(vpu, &out, sizeof(out))) {
		mtk_vcodec_err(vpu,
		"AP_IPIMSG_ENC_SET_PARAM %d fail", id);
		return -EINVAL;
		}

		mtk_vcodec_debug(vpu, "id %d <-", id);

		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,
		unsigned int *bs_size)
		{
		struct venc_ap_ipi_msg_enc out;

		mtk_vcodec_debug(vpu, "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_vcodec_err(vpu, "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 (vpu_enc_send_msg(vpu, &out, sizeof(out))) {
		mtk_vcodec_err(vpu, "AP_IPIMSG_ENC_ENCODE %d fail",
		bs_mode);
		return -EINVAL;
		}

		mtk_vcodec_debug(vpu, "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;

		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;
		}

drivers/media/platform/mtk-vcodec/venc_vpu_if.h

0 → 100644

+61 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2016 MediaTek Inc.
		* Author: PoChun Lin <pochun.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.
		*/

		#ifndef _VENC_VPU_IF_H_
		#define _VENC_VPU_IF_H_

		#include "mtk_vpu.h"
		#include "venc_drv_if.h"

		/*
		* struct venc_vpu_inst - encoder VPU driver instance
		* @wq_hd: wait queue used for vpu cmd trigger then wait vpu interrupt done
		* @signaled: flag used for checking vpu interrupt done
		* @failure: flag to show vpu cmd succeeds or not
		* @state: enum venc_ipi_msg_enc_state
		* @bs_size: bitstream size for skip frame case usage
		* @is_key_frm: key frame flag
		* @inst_addr: VPU instance addr
		* @vsi: driver structure allocated by VPU side and shared to AP side for
		* control and info share
		* @id: the id of inter-processor interrupt
		* @ctx: context for v4l2 layer integration
		* @dev: device for v4l2 layer integration
		*/
		struct venc_vpu_inst {
		wait_queue_head_t wq_hd;
		int signaled;
		int failure;
		int state;
		int bs_size;
		int is_key_frm;
		unsigned int inst_addr;
		void *vsi;
		enum ipi_id id;
		struct mtk_vcodec_ctx *ctx;
		struct platform_device *dev;
		};

		int vpu_enc_init(struct venc_vpu_inst *vpu);
		int vpu_enc_set_param(struct venc_vpu_inst *vpu,
		enum venc_set_param_type id,
		struct venc_enc_param *param);
		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,
		unsigned int *bs_size);
		int vpu_enc_deinit(struct venc_vpu_inst *vpu);

		#endif