From patchwork Fri Dec 11 09:55:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tiffany.lin" X-Patchwork-Id: 7827811 Return-Path: X-Original-To: patchwork-linux-mediatek@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9C7C4BEEE5 for ; Fri, 11 Dec 2015 09:57:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7BEFA20585 for ; Fri, 11 Dec 2015 09:57:09 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7E76D20527 for ; Fri, 11 Dec 2015 09:57:07 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1a7KRn-00006a-0p; Fri, 11 Dec 2015 09:57:07 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1a7KR5-00085g-7X; Fri, 11 Dec 2015 09:56:32 +0000 X-Listener-Flag: 11101 Received: from mtkhts07.mediatek.inc [(172.21.101.69)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1815430216; Fri, 11 Dec 2015 17:55:56 +0800 Received: from mtkslt302.mediatek.inc (10.21.14.115) by mtkhts07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Fri, 11 Dec 2015 17:55:55 +0800 From: Tiffany Lin To: , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Mauro Carvalho Chehab , Matthias Brugger , Daniel Kurtz , Hans Verkuil , Laurent Pinchart , Sakari Ailus , Mikhail Ulyanov , Fabien Dessenne , Arnd Bergmann , Darren Etheridge , Peter Griffin , Benoit Parrot Subject: [PATCH v2 7/8] [media] vcodec: mediatek: Add Mediatek VP8 Video Encoder Driver Date: Fri, 11 Dec 2015 17:55:42 +0800 Message-ID: <1449827743-22895-8-git-send-email-tiffany.lin@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1449827743-22895-1-git-send-email-tiffany.lin@mediatek.com> References: <1449827743-22895-1-git-send-email-tiffany.lin@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151211_015623_651445_F7CB1810 X-CRM114-Status: GOOD ( 30.21 ) X-Spam-Score: -1.1 (-) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: James Liao , Eddie Huang , Daniel Hsiao , Andrew-CT Chen , Hongzhou Yang , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, PoChun.Lin@mediatek.com, Yingjoe Chen , Tiffany Lin , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add vp8 encoder driver for MT8173 Signed-off-by: Daniel Hsiao Signed-off-by: Tiffany Lin --- drivers/media/platform/mtk-vcodec/Makefile | 2 + drivers/media/platform/mtk-vcodec/venc_drv_if.c | 3 + drivers/media/platform/mtk-vcodec/vp8_enc/Makefile | 8 + .../platform/mtk-vcodec/vp8_enc/venc_vp8_if.c | 384 ++++++++++++++++++++ .../platform/mtk-vcodec/vp8_enc/venc_vp8_if.h | 141 +++++++ .../platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.c | 221 +++++++++++ .../platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.h | 28 ++ 7 files changed, 787 insertions(+) create mode 100644 drivers/media/platform/mtk-vcodec/vp8_enc/Makefile create mode 100644 drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_if.c create mode 100644 drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_if.h create mode 100644 drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.c create mode 100644 drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.h diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile index ce38689..f4ef502 100644 --- a/drivers/media/platform/mtk-vcodec/Makefile +++ b/drivers/media/platform/mtk-vcodec/Makefile @@ -5,4 +5,6 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk_vcodec_intr.o \ mtk_vcodec_enc_pm.o \ venc_drv_if.o +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += vp8_enc/ + ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c index 63e7df0..384e0d2 100644 --- a/drivers/media/platform/mtk-vcodec/venc_drv_if.c +++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c @@ -24,6 +24,7 @@ #include "mtk_vpu.h" #include "venc_drv_base.h" +#include "vp8_enc/venc_vp8_if.h" int venc_if_create(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) { @@ -34,6 +35,8 @@ int venc_if_create(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) switch (fourcc) { case V4L2_PIX_FMT_VP8: + ctx->enc_if = get_vp8_enc_comm_if(); + break; case V4L2_PIX_FMT_H264: default: goto err_out; diff --git a/drivers/media/platform/mtk-vcodec/vp8_enc/Makefile b/drivers/media/platform/mtk-vcodec/vp8_enc/Makefile new file mode 100644 index 0000000..17a0dfe --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/vp8_enc/Makefile @@ -0,0 +1,8 @@ +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += venc_vp8_if.o venc_vp8_vpu.o + +ccflags-y += \ + -I$(srctree)/include/ \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/ \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/include \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/vp8_enc \ + -I$(srctree)/drivers/media/platform/mtk-vpu diff --git a/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_if.c b/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_if.c new file mode 100644 index 0000000..5201743 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_if.c @@ -0,0 +1,384 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Daniel Hsiao + * PoChun Lin + * + * 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 +#include +#include +#include + +#include "mtk_vcodec_drv.h" +#include "mtk_vcodec_util.h" +#include "mtk_vcodec_intr.h" +#include "mtk_vcodec_enc.h" +#include "mtk_vcodec_pm.h" +#include "mtk_vpu.h" + +#include "venc_vp8_if.h" +#include "venc_vp8_vpu.h" + +#define VENC_PIC_BITSTREAM_BYTE_CNT 0x0098 +#define VENC_PIC_BITSTREAM_BYTE_CNT1 0x00e8 +#define VENC_IRQ_STATUS_ENC_FRM_INT 0x04 + +#define MAX_AC_TAG_SZ 10 + +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); + + /* Except the RC_CODEx buffers, other buffers need to be freed by AP. */ + for (i = 0; i < VENC_VP8_VPU_WORK_BUF_RC_CODE; i++) + if (inst->work_bufs[i].va != NULL) + 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->vpu_inst.drv->work_bufs; + + mtk_vcodec_debug_enter(inst); + for (i = 0; i < VENC_VP8_VPU_WORK_BUF_MAX; i++) { + /* + * Only temporal scalability mode will use RC_CODE2 & RC_CODE3 + * Each three temporal layer has its own rate control code. + */ + if ((i == VENC_VP8_VPU_WORK_BUF_RC_CODE2 || + i == VENC_VP8_VPU_WORK_BUF_RC_CODE3) && !inst->ts_mode) + 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. + */ + if (i < VENC_VP8_VPU_WORK_BUF_RC_CODE) { + 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; + } + wb[i].iova = inst->work_bufs[i].dma_addr; + } else { + inst->work_bufs[i].size = wb[i].size; + inst->work_bufs[i].va = + vpu_mapping_dm_addr(inst->dev, wb[i].vpua); + inst->work_bufs[i].dma_addr = + vpu_mapping_iommu_dm_addr(inst->dev, + wb[i].vpua); + wb[i].iova = inst->work_bufs[i].dma_addr; + } + mtk_vcodec_debug(inst, + "work_bufs[%d] va=0x%p,iova=0x%p,size=0x%lx", + 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) +{ + struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)inst->ctx; + unsigned int irq_status; + + mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED, + WAIT_INTR_TIMEOUT, true); + 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 is_key; + u32 bs_size_frm; + u32 bs_hdr_len; + unsigned int ac_tag_sz; + u8 ac_tag[MAX_AC_TAG_SZ]; + + bs_size_frm = vp8_enc_read_reg(inst, + VENC_PIC_BITSTREAM_BYTE_CNT); + bs_hdr_len = vp8_enc_read_reg(inst, + VENC_PIC_BITSTREAM_BYTE_CNT1); + + /* if a frame is key frame, is_key is 0 */ + is_key = (inst->frm_cnt % + inst->vpu_inst.drv->config.intra_period) ? 1 : 0; + *(u32 *)ac_tag = __cpu_to_le32((bs_hdr_len << 5) | 0x10 | is_key); + /* key frame */ + if (is_key == 0) { + ac_tag[3] = 0x9d; + ac_tag[4] = 0x01; + ac_tag[5] = 0x2a; + ac_tag[6] = inst->vpu_inst.drv->config.pic_w; + ac_tag[7] = inst->vpu_inst.drv->config.pic_w >> 8; + ac_tag[8] = inst->vpu_inst.drv->config.pic_h; + ac_tag[9] = inst->vpu_inst.drv->config.pic_h >> 8; + } + + if (is_key == 0) + ac_tag_sz = MAX_AC_TAG_SZ; + else + ac_tag_sz = 3; + + if (bs_buf->size <= bs_hdr_len + bs_size_frm + ac_tag_sz) { + mtk_vcodec_err(inst, "bitstream buf size is too small(%ld)", + 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_sz, + bs_buf->va, bs_size_frm); + memcpy(bs_buf->va + ac_tag_sz, + inst->work_bufs[VENC_VP8_VPU_WORK_BUF_BS_HD].va, + bs_hdr_len); + memcpy(bs_buf->va, ac_tag, ac_tag_sz); + *bs_size = bs_size_frm + bs_hdr_len + ac_tag_sz; + + 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 = vp8_enc_vpu_encode(inst, frm_buf, bs_buf); + if (ret) + return ret; + + irq_status = vp8_enc_wait_venc_done(inst); + if (irq_status != VENC_IRQ_STATUS_ENC_FRM_INT) { + mtk_vcodec_err(inst, "irq_status=%d failed", irq_status); + return -EINVAL; + } + + 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", *bs_size); + + 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->dev = mtk_vcodec_get_plat_dev(ctx); + inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_LT_SYS); + + ret = vp8_enc_vpu_init(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) { + result->msg = VENC_MESSAGE_ERR; + } else { + result->msg = VENC_MESSAGE_OK; + result->is_key_frm = ((*((unsigned char *)bs_buf->va) & + 0x01) == 0); + } + break; + + default: + mtk_vcodec_err(inst, "opt not support:%d", opt); + ret = -EINVAL; + break; + } + + 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, void *in) +{ + int ret = 0; + struct venc_vp8_inst *inst = (struct venc_vp8_inst *)handle; + struct venc_enc_prm *enc_prm; + + mtk_vcodec_debug(inst, "->type=%d", type); + + switch (type) { + case VENC_SET_PARAM_ENC: + enc_prm = in; + ret = vp8_enc_vpu_set_param(inst, type, enc_prm); + if (ret) + break; + if (inst->work_buf_allocated == 0) { + ret = vp8_enc_alloc_work_buf(inst); + if (ret) + break; + inst->work_buf_allocated = 1; + } + break; + + case VENC_SET_PARAM_FORCE_INTRA: + ret = vp8_enc_vpu_set_param(inst, type, 0); + if (ret) + break; + inst->frm_cnt = 0; + break; + + case VENC_SET_PARAM_ADJUST_BITRATE: + enc_prm = in; + ret = vp8_enc_vpu_set_param(inst, type, &enc_prm->bitrate); + break; + + case VENC_SET_PARAM_ADJUST_FRAMERATE: + enc_prm = in; + ret = vp8_enc_vpu_set_param(inst, type, &enc_prm->frm_rate); + break; + + case VENC_SET_PARAM_I_FRAME_INTERVAL: + ret = vp8_enc_vpu_set_param(inst, type, in); + if (ret) + break; + inst->frm_cnt = 0; /* reset counter */ + 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: + mtk_vcodec_err(inst, "type not support:%d", type); + ret = -EINVAL; + 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 = vp8_enc_vpu_deinit(inst); + + if (inst->work_buf_allocated) + vp8_enc_free_work_buf(inst); + + mtk_vcodec_debug_leave(inst); + kfree(inst); + + return ret; +} + +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) +{ + return &venc_vp8_if; +} diff --git a/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_if.h b/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_if.h new file mode 100644 index 0000000..5ee990c --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_if.h @@ -0,0 +1,141 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Daniel Hsiao + * PoChun Lin + * + * 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_VP8_IF_H_ +#define _VENC_VP8_IF_H_ + +#include "../venc_drv_base.h" + +/** + * 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_HD, + 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 + * @pic_h: picture height + * @buf_w: buffer width (with 16 alignment) + * @buf_h: buffer height (with 16 alignment) + * @intra_period: intra frame period + * @framerate: frame rate + * @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 intra_period; + 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_vpu_drv - 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_vpu_drv { + struct venc_vp8_vpu_config config; + struct venc_vp8_vpu_buf work_bufs[VENC_VP8_VPU_WORK_BUF_MAX]; +}; + +/* + * struct venc_vp8_vpu_inst - vp8 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 + * @id: VPU instance id + * @drv: driver structure allocated by VPU side and shared to AP side for + * control and info share + */ +struct venc_vp8_vpu_inst { + wait_queue_head_t wq_hd; + int signaled; + int failure; + unsigned int id; + struct venc_vp8_vpu_drv *drv; +}; + +/* + * 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 + * @ctx: context for v4l2 layer integration + * @dev: device 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_vp8_vpu_inst vpu_inst; + void *ctx; + struct platform_device *dev; +}; + +struct venc_common_if *get_vp8_enc_comm_if(void); + +#endif diff --git a/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.c b/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.c new file mode 100644 index 0000000..796561d --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.c @@ -0,0 +1,221 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Daniel Hsiao + * PoChun Lin + * + * 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_vp8_if.h" +#include "venc_vp8_vpu.h" +#include "venc_ipi_msg.h" + +#define VENC_VP8_WAIT_VPU_TIMEOUT_MS (2000) + +static void handle_vp8_enc_init_msg(struct venc_vp8_inst *inst, void *data) +{ + struct venc_vpu_ipi_msg_init *msg = data; + + inst->vpu_inst.id = msg->inst_id; + inst->vpu_inst.drv = (struct venc_vp8_vpu_drv *) + vpu_mapping_dm_addr(inst->dev, + msg->inst_id); +} + +static void vp8_enc_vpu_ipi_handler(void *data, unsigned int len, void *priv) +{ + struct venc_vpu_ipi_msg_common *msg = data; + struct venc_vp8_inst *inst = (struct venc_vp8_inst *)msg->venc_inst; + + mtk_vcodec_debug(inst, "->msg_id=%x status=%d", + msg->msg_id, msg->status); + + switch (msg->msg_id) { + case VPU_IPIMSG_VP8_ENC_INIT_DONE: + handle_vp8_enc_init_msg(inst, data); + break; + case VPU_IPIMSG_VP8_ENC_SET_PARAM_DONE: + case VPU_IPIMSG_VP8_ENC_ENCODE_DONE: + case VPU_IPIMSG_VP8_ENC_DEINIT_DONE: + break; + default: + mtk_vcodec_err(inst, "unknown msg id=%x", msg->msg_id); + break; + } + + inst->vpu_inst.signaled = 1; + inst->vpu_inst.failure = (msg->status != VENC_IPI_MSG_STATUS_OK); + + mtk_vcodec_debug_leave(inst); +} + +static int vp8_enc_vpu_send_msg(struct venc_vp8_inst *inst, void *msg, + int len, int wait_ack) +{ + int status; + + mtk_vcodec_debug_enter(inst); + status = vpu_ipi_send(inst->dev, IPI_VENC_VP8, (void *)msg, len); + if (status) { + mtk_vcodec_err(inst, + "vpu_ipi_send msg_id=%x len=%d failed status=%d", + *(unsigned int *)msg, len, status); + return -EINVAL; + } + mtk_vcodec_debug_leave(inst); + return 0; +} + +int vp8_enc_vpu_init(struct venc_vp8_inst *inst) +{ + int status; + struct venc_ap_ipi_msg_init out; + + mtk_vcodec_debug_enter(inst); + init_waitqueue_head(&inst->vpu_inst.wq_hd); + inst->vpu_inst.signaled = 0; + inst->vpu_inst.failure = 0; + + status = vpu_ipi_register(inst->dev, IPI_VENC_VP8, + vp8_enc_vpu_ipi_handler, + "vp8_enc", NULL); + if (status) { + mtk_vcodec_err(inst, + "vpu_ipi_register failed status=%d", status); + return -EINVAL; + } + + out.msg_id = AP_IPIMSG_VP8_ENC_INIT; + out.venc_inst = (unsigned long)inst; + if (vp8_enc_vpu_send_msg(inst, &out, sizeof(out), 1) || + inst->vpu_inst.failure) { + mtk_vcodec_err(inst, "failed"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(inst); + return 0; +} + +int vp8_enc_vpu_set_param(struct venc_vp8_inst *inst, unsigned int id, + void *param) +{ + struct venc_ap_ipi_msg_set_param out; + + mtk_vcodec_debug_enter(inst); + out.msg_id = AP_IPIMSG_VP8_ENC_SET_PARAM; + out.inst_id = inst->vpu_inst.id; + out.param_id = id; + switch (id) { + case VENC_SET_PARAM_ENC: { + struct venc_enc_prm *enc_param = (struct venc_enc_prm *)param; + + inst->vpu_inst.drv->config.input_fourcc = + enc_param->input_fourcc; + inst->vpu_inst.drv->config.bitrate = enc_param->bitrate; + inst->vpu_inst.drv->config.pic_w = enc_param->width; + inst->vpu_inst.drv->config.pic_h = enc_param->height; + inst->vpu_inst.drv->config.buf_w = enc_param->buf_width; + inst->vpu_inst.drv->config.buf_h = enc_param->buf_height; + inst->vpu_inst.drv->config.intra_period = + enc_param->intra_period; + inst->vpu_inst.drv->config.framerate = enc_param->frm_rate; + inst->vpu_inst.drv->config.ts_mode = inst->ts_mode; + 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] = *(unsigned int *)param; + break; + case VENC_SET_PARAM_ADJUST_FRAMERATE: + out.data_item = 1; + out.data[0] = *(unsigned int *)param; + break; + case VENC_SET_PARAM_I_FRAME_INTERVAL: + out.data_item = 1; + out.data[0] = *(unsigned int *)param; + break; + } + if (vp8_enc_vpu_send_msg(inst, &out, sizeof(out), 1) || + inst->vpu_inst.failure) { + mtk_vcodec_err(inst, "failed"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(inst); + return 0; +} + +int vp8_enc_vpu_encode(struct venc_vp8_inst *inst, + struct venc_frm_buf *frm_buf, + struct mtk_vcodec_mem *bs_buf) +{ + struct venc_ap_ipi_msg_enc out; + + mtk_vcodec_debug_enter(inst); + out.msg_id = AP_IPIMSG_VP8_ENC_ENCODE; + out.inst_id = inst->vpu_inst.id; + if (frm_buf) { + if ((frm_buf->fb_addr.dma_addr % 16 == 0) && + (frm_buf->fb_addr1.dma_addr % 16 == 0) && + (frm_buf->fb_addr2.dma_addr % 16 == 0)) { + out.input_addr[0] = frm_buf->fb_addr.dma_addr; + out.input_addr[1] = frm_buf->fb_addr1.dma_addr; + out.input_addr[2] = frm_buf->fb_addr2.dma_addr; + } else { + mtk_vcodec_err(inst, "dma_addr not align to 16"); + return -EINVAL; + } + } else { + out.input_addr[0] = 0; + out.input_addr[1] = 0; + out.input_addr[2] = 0; + } + if (bs_buf) { + out.bs_addr = bs_buf->dma_addr; + out.bs_size = bs_buf->size; + } else { + out.bs_addr = 0; + out.bs_size = 0; + } + + if (vp8_enc_vpu_send_msg(inst, &out, sizeof(out), 1) || + inst->vpu_inst.failure) { + mtk_vcodec_err(inst, "failed"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(inst); + return 0; +} + +int vp8_enc_vpu_deinit(struct venc_vp8_inst *inst) +{ + struct venc_ap_ipi_msg_deinit out; + + mtk_vcodec_debug_enter(inst); + out.msg_id = AP_IPIMSG_VP8_ENC_DEINIT; + out.inst_id = inst->vpu_inst.id; + if (vp8_enc_vpu_send_msg(inst, &out, sizeof(out), 1) || + inst->vpu_inst.failure) { + mtk_vcodec_err(inst, "failed"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(inst); + return 0; +} diff --git a/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.h b/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.h new file mode 100644 index 0000000..d7d79a8 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/vp8_enc/venc_vp8_vpu.h @@ -0,0 +1,28 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Daniel Hsiao + * PoChun Lin + * + * 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_VP8_VPU_H_ +#define _VENC_VP8_VPU_H_ + +int vp8_enc_vpu_init(struct venc_vp8_inst *inst); +int vp8_enc_vpu_set_param(struct venc_vp8_inst *inst, unsigned int id, + void *param); +int vp8_enc_vpu_encode(struct venc_vp8_inst *inst, + struct venc_frm_buf *frm_buf, + struct mtk_vcodec_mem *bs_buf); +int vp8_enc_vpu_deinit(struct venc_vp8_inst *inst); + +#endif