From patchwork Tue Mar 29 11:32:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tiffany.lin" X-Patchwork-Id: 8686241 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6E4A69F3D1 for ; Tue, 29 Mar 2016 11:37:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 24CC7201C0 for ; Tue, 29 Mar 2016 11:37:45 +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 DBD0920259 for ; Tue, 29 Mar 2016 11:37:42 +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 1akruu-00016B-DJ; Tue, 29 Mar 2016 11:34:36 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1akrt7-0007xw-PT; Tue, 29 Mar 2016 11:33:06 +0000 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 331066335; Tue, 29 Mar 2016 19:32:14 +0800 Received: from localhost.localdomain (10.21.14.115) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Tue, 29 Mar 2016 19:32:13 +0800 From: Tiffany Lin To: Hans Verkuil , , Rob Herring , Mauro Carvalho Chehab , Matthias Brugger , Daniel Kurtz , Pawel Osciak Subject: [PATCH v6 7/8] [media] vcodec: mediatek: Add Mediatek H264 Video Encoder Driver Date: Tue, 29 Mar 2016 19:32:09 +0800 Message-ID: <1459251130-53774-8-git-send-email-tiffany.lin@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1459251130-53774-7-git-send-email-tiffany.lin@mediatek.com> References: <1459251130-53774-1-git-send-email-tiffany.lin@mediatek.com> <1459251130-53774-2-git-send-email-tiffany.lin@mediatek.com> <1459251130-53774-3-git-send-email-tiffany.lin@mediatek.com> <1459251130-53774-4-git-send-email-tiffany.lin@mediatek.com> <1459251130-53774-5-git-send-email-tiffany.lin@mediatek.com> <1459251130-53774-6-git-send-email-tiffany.lin@mediatek.com> <1459251130-53774-7-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-20160329_043246_840837_AE604789 X-CRM114-Status: GOOD ( 25.73 ) X-Spam-Score: -1.1 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Tiffany Lin , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, PoChun Lin , Yingjoe Chen , Eddie Huang , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 From: PoChun Lin Add h264 encoder driver for MT8173 Signed-off-by: pochun.lin Signed-off-by: Tiffany Lin --- drivers/media/platform/mtk-vcodec/Makefile | 1 - .../media/platform/mtk-vcodec/h264_enc/Makefile | 6 + .../platform/mtk-vcodec/h264_enc/venc_h264_if.c | 488 ++++++++++++++++++++ .../platform/mtk-vcodec/h264_enc/venc_h264_if.h | 168 +++++++ .../platform/mtk-vcodec/h264_enc/venc_h264_vpu.c | 323 +++++++++++++ .../platform/mtk-vcodec/h264_enc/venc_h264_vpu.h | 31 ++ drivers/media/platform/mtk-vcodec/venc_drv_if.c | 4 +- 7 files changed, 1019 insertions(+), 2 deletions(-) create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/Makefile create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c create mode 100644 drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.h diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile index 30edfd7..3b54880 100644 --- a/drivers/media/platform/mtk-vcodec/Makefile +++ b/drivers/media/platform/mtk-vcodec/Makefile @@ -11,5 +11,4 @@ mtk-vcodec-enc-y := h264_enc/venc_h264_if.o \ mtk-vcodec-common-y := mtk_vcodec_intr.o \ mtk_vcodec_util.o\ - ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/Makefile b/drivers/media/platform/mtk-vcodec/h264_enc/Makefile new file mode 100644 index 0000000..765b45f --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/Makefile @@ -0,0 +1,6 @@ +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += venc_h264_if.o venc_h264_vpu.o + +ccflags-y += \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/ \ + -I$(srctree)/drivers/media/platform/mtk-vcodec/h264_enc \ + -I$(srctree)/drivers/media/platform/mtk-vpu diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c new file mode 100644 index 0000000..9fc2953 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.c @@ -0,0 +1,488 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Jungchang Tsao + * 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 "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 "mtk_vpu.h" + +#include "venc_h264_if.h" +#include "venc_h264_vpu.h" + +static const char h264_filler_marker[] = {0x0, 0x0, 0x0, 0x1, 0xc}; + +#define H264_FILLER_MARKER_SIZE ARRAY_SIZE(h264_filler_marker) +#define VENC_PIC_BITSTREAM_BYTE_CNT 0x0098 + +static inline void h264_write_reg(struct venc_h264_inst *inst, u32 addr, + u32 val) +{ + writel(val, inst->hw_base + addr); +} + +static inline u32 h264_read_reg(struct venc_h264_inst *inst, u32 addr) +{ + return readl(inst->hw_base + addr); +} + +static void h264_enc_free_work_buf(struct venc_h264_inst *inst) +{ + int i; + + mtk_vcodec_debug_enter(inst); + + /* Except the SKIP_FRAME buffers, + * other buffers need to be freed by AP. + */ + for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) { + if (i != VENC_H264_VPU_WORK_BUF_SKIP_FRAME) + mtk_vcodec_mem_free(inst->ctx, &inst->work_bufs[i]); + } + + mtk_vcodec_mem_free(inst->ctx, &inst->pps_buf); + + mtk_vcodec_debug_leave(inst); +} + +static int h264_enc_alloc_work_buf(struct venc_h264_inst *inst) +{ + int i; + int ret = 0; + struct venc_h264_vpu_buf *wb = inst->vpu_inst.vsi->work_bufs; + + mtk_vcodec_debug_enter(inst); + + for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) { + /* + * 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. There + * are two exceptions: + * (1) RC_CODE buffer, it's pre-allocated in the VPU side, 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 for reg setting in VPU side. + * (2) SKIP_FRAME buffer, it's pre-allocated in the VPU side, + * and save the VPU addr in the 'vpua' field. The AP will + * translate the VPU addr to the corresponding AP side virtual + * address and do some memcpy access to move to bitstream buffer + * assigned by v4l2 layer. + */ + inst->work_bufs[i].size = wb[i].size; + if (i == VENC_H264_VPU_WORK_BUF_SKIP_FRAME) { + inst->work_bufs[i].va = vpu_mapping_dm_addr( + inst->dev, wb[i].vpua); + inst->work_bufs[i].dma_addr = 0; + } else { + ret = mtk_vcodec_mem_alloc(inst->ctx, + &inst->work_bufs[i]); + if (ret) { + mtk_vcodec_err(inst, + "cannot allocate buf %d", i); + goto err_alloc; + } + /* + * This RC_CODE is pre-allocated by VPU and saved in VPU + * addr. So we need use memcpy to copy RC_CODE from VPU + * addr into IO virtual addr in 'iova' field for reg + * setting in VPU side. + */ + if (i == VENC_H264_VPU_WORK_BUF_RC_CODE) { + void *tmp_va; + + tmp_va = vpu_mapping_dm_addr(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_buf[%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); + } + + /* the pps_buf is used by AP side only */ + inst->pps_buf.size = 128; + ret = mtk_vcodec_mem_alloc(inst->ctx, &inst->pps_buf); + if (ret) { + mtk_vcodec_err(inst, "cannot allocate pps_buf"); + goto err_alloc; + } + + mtk_vcodec_debug_leave(inst); + + return ret; + +err_alloc: + h264_enc_free_work_buf(inst); + + return ret; +} + +static unsigned int h264_enc_wait_venc_done(struct venc_h264_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, "irq_status %x <-", irq_status); + } + return irq_status; +} + +static int h264_encode_sps(struct venc_h264_inst *inst, + struct mtk_vcodec_mem *bs_buf, + unsigned int *bs_size) +{ + int ret = 0; + unsigned int irq_status; + + mtk_vcodec_debug_enter(inst); + + ret = h264_enc_vpu_encode(inst, H264_BS_MODE_SPS, NULL, + bs_buf, bs_size); + if (ret) + return ret; + + irq_status = h264_enc_wait_venc_done(inst); + if (irq_status != MTK_VENC_IRQ_STATUS_SPS) { + mtk_vcodec_err(inst, "expect irq status %d", + MTK_VENC_IRQ_STATUS_SPS); + return -EINVAL; + } + + *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT); + mtk_vcodec_debug(inst, "bs size %d <-", *bs_size); + + return ret; +} + +static int h264_encode_pps(struct venc_h264_inst *inst, + struct mtk_vcodec_mem *bs_buf, + unsigned int *bs_size) +{ + int ret = 0; + unsigned int irq_status; + + mtk_vcodec_debug_enter(inst); + + ret = h264_enc_vpu_encode(inst, H264_BS_MODE_PPS, NULL, + bs_buf, bs_size); + if (ret) + return ret; + + irq_status = h264_enc_wait_venc_done(inst); + if (irq_status != MTK_VENC_IRQ_STATUS_PPS) { + mtk_vcodec_err(inst, "expect irq status %d", + MTK_VENC_IRQ_STATUS_PPS); + return -EINVAL; + } + + *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT); + mtk_vcodec_debug(inst, "bs size %d <-", *bs_size); + + return ret; +} + +static int h264_encode_header(struct venc_h264_inst *inst, + struct mtk_vcodec_mem *bs_buf, + unsigned int *bs_size) +{ + int ret = 0; + unsigned int bs_size_sps; + unsigned int bs_size_pps; + + ret = h264_encode_sps(inst, bs_buf, &bs_size_sps); + if (ret) + return ret; + + ret = h264_encode_pps(inst, &inst->pps_buf, &bs_size_pps); + if (ret) + return ret; + + memcpy(bs_buf->va + bs_size_sps, inst->pps_buf.va, bs_size_pps); + *bs_size = bs_size_sps + bs_size_pps; + + return ret; +} + +static int h264_encode_frame(struct venc_h264_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_enter(inst); + + ret = h264_enc_vpu_encode(inst, H264_BS_MODE_FRAME, frm_buf, + bs_buf, bs_size); + if (ret) + return ret; + + /* + * skip frame case: The skip frame buffer is composed by vpu side only, + * it does not trigger the hw, so skip the wait interrupt operation. + */ + if (!inst->vpu_inst.wait_int) { + ++inst->frm_cnt; + return ret; + } + + irq_status = h264_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; + } + + *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT); + + ++inst->frm_cnt; + mtk_vcodec_debug(inst, "frm %d bs size %d key_frm %d <-", + inst->frm_cnt, + *bs_size, inst->is_key_frm); + + return ret; +} + +static void h264_encode_filler(struct venc_h264_inst *inst, void *buf, + int size) +{ + unsigned char *p = buf; + + if (size < H264_FILLER_MARKER_SIZE) { + mtk_vcodec_err(inst, "filler size too small %d", size); + return; + } + + memcpy(p, h264_filler_marker, ARRAY_SIZE(h264_filler_marker)); + size -= H264_FILLER_MARKER_SIZE; + p += H264_FILLER_MARKER_SIZE; + memset(p, 0xff, size); +} + +static int h264_enc_init(struct mtk_vcodec_ctx *ctx, unsigned long *handle) +{ + int ret = 0; + struct venc_h264_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_SYS); + + mtk_vcodec_debug_enter(inst); + + ret = h264_enc_vpu_init(inst); + + mtk_vcodec_debug_leave(inst); + + if (ret) + kfree(inst); + else + (*handle) = (unsigned long)inst; + + return ret; +} + +static int h264_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_h264_inst *inst = (struct venc_h264_inst *)handle; + struct mtk_vcodec_ctx *ctx = inst->ctx; + + mtk_vcodec_debug(inst, "opt %d ->", opt); + + enable_irq(ctx->dev->enc_irq); + + switch (opt) { + case VENC_START_OPT_ENCODE_SEQUENCE_HEADER: { + unsigned int bs_size_hdr; + + ret = h264_encode_header(inst, bs_buf, &bs_size_hdr); + if (ret) + goto encode_err; + + result->bs_size = bs_size_hdr; + result->is_key_frm = false; + break; + } + + case VENC_START_OPT_ENCODE_FRAME: { + int hdr_sz; + int hdr_sz_ext; + int filler_sz = 0; + const int bs_alignment = 128; + struct mtk_vcodec_mem tmp_bs_buf; + unsigned int bs_size_hdr; + unsigned int bs_size_frm; + + if (!inst->prepend_hdr) { + ret = h264_encode_frame(inst, frm_buf, bs_buf, + &result->bs_size); + if (ret) + goto encode_err; + result->is_key_frm = inst->is_key_frm; + break; + } + + mtk_vcodec_debug(inst, "h264_encode_frame prepend SPS/PPS"); + + ret = h264_encode_header(inst, bs_buf, &bs_size_hdr); + if (ret) + goto encode_err; + + hdr_sz = bs_size_hdr; + hdr_sz_ext = (hdr_sz & (bs_alignment - 1)); + if (hdr_sz_ext) { + filler_sz = bs_alignment - hdr_sz_ext; + if (hdr_sz_ext + H264_FILLER_MARKER_SIZE > bs_alignment) + filler_sz += bs_alignment; + h264_encode_filler(inst, bs_buf->va + hdr_sz, + filler_sz); + } + + tmp_bs_buf.va = bs_buf->va + hdr_sz + filler_sz; + tmp_bs_buf.dma_addr = bs_buf->dma_addr + hdr_sz + filler_sz; + tmp_bs_buf.size = bs_buf->size - (hdr_sz + filler_sz); + + ret = h264_encode_frame(inst, frm_buf, &tmp_bs_buf, + &bs_size_frm); + if (ret) + goto encode_err; + + result->bs_size = hdr_sz + filler_sz + bs_size_frm; + + mtk_vcodec_debug(inst, "hdr %d filler %d frame %d bs %d", + hdr_sz, filler_sz, bs_size_frm, + result->bs_size); + + inst->prepend_hdr = 0; + result->is_key_frm = inst->is_key_frm; + break; + } + + default: + mtk_vcodec_err(inst, "venc_start_opt %d not supported", opt); + ret = -EINVAL; + break; + } + +encode_err: + + disable_irq(ctx->dev->enc_irq); + mtk_vcodec_debug(inst, "opt %d <-", opt); + + return ret; +} + +static int h264_enc_set_param(unsigned long handle, + enum venc_set_param_type type, + struct venc_enc_prm *enc_prm) +{ + int i; + int ret = 0; + struct venc_h264_inst *inst = (struct venc_h264_inst *)handle; + + mtk_vcodec_debug(inst, "->type=%d", type); + + switch (type) { + case VENC_SET_PARAM_ENC: + ret = h264_enc_vpu_set_param(inst, type, enc_prm); + if (ret) + break; + if (inst->work_buf_allocated) { + h264_enc_free_work_buf(inst); + inst->work_buf_allocated = false; + } + ret = h264_enc_alloc_work_buf(inst); + if (ret) + break; + inst->work_buf_allocated = true; + for (i = 0; i < MTK_VCODEC_MAX_PLANES; i++) { + enc_prm->sizeimage[i] = + inst->vpu_inst.vsi->sizeimage[i]; + mtk_vcodec_debug(inst, "sizeimage[%d] size=0x%x", i, + enc_prm->sizeimage[i]); + } + break; + + case VENC_SET_PARAM_PREPEND_HEADER: + inst->prepend_hdr = 1; + mtk_vcodec_debug(inst, "set prepend header mode"); + break; + + default: + ret = h264_enc_vpu_set_param(inst, type, enc_prm); + break; + } + + mtk_vcodec_debug_leave(inst); + + return ret; +} + +static int h264_enc_deinit(unsigned long handle) +{ + int ret = 0; + struct venc_h264_inst *inst = (struct venc_h264_inst *)handle; + + mtk_vcodec_debug_enter(inst); + + ret = h264_enc_vpu_deinit(inst); + + if (inst->work_buf_allocated) + h264_enc_free_work_buf(inst); + + mtk_vcodec_debug_leave(inst); + kfree(inst); + + return ret; +} + +static struct venc_common_if venc_h264_if = { + h264_enc_init, + h264_enc_encode, + h264_enc_set_param, + h264_enc_deinit, +}; + +struct venc_common_if *get_h264_enc_comm_if(void) +{ + return &venc_h264_if; +} diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h new file mode 100644 index 0000000..422eaca --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_if.h @@ -0,0 +1,168 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Jungchang Tsao + * 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_H264_IF_H_ +#define _VENC_H264_IF_H_ + +#include "venc_drv_base.h" + +/** + * enum venc_h264_vpu_work_buf - h264 encoder buffer index + */ +enum venc_h264_vpu_work_buf { + VENC_H264_VPU_WORK_BUF_RC_INFO, + VENC_H264_VPU_WORK_BUF_RC_CODE, + VENC_H264_VPU_WORK_BUF_REC_LUMA, + VENC_H264_VPU_WORK_BUF_REC_CHROMA, + VENC_H264_VPU_WORK_BUF_REF_LUMA, + VENC_H264_VPU_WORK_BUF_REF_CHROMA, + VENC_H264_VPU_WORK_BUF_MV_INFO_1, + VENC_H264_VPU_WORK_BUF_MV_INFO_2, + VENC_H264_VPU_WORK_BUF_SKIP_FRAME, + VENC_H264_VPU_WORK_BUF_MAX, +}; + +/** + * enum venc_h264_bs_mode - for bs_mode argument in h264_enc_vpu_encode + */ +enum venc_h264_bs_mode { + H264_BS_MODE_SPS, + H264_BS_MODE_PPS, + H264_BS_MODE_FRAME, +}; + +/* + * struct venc_h264_vpu_config - Structure for h264 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. Buffer size is stream resolution in pixels aligned to + * hardware requirements. + * @buf_h: buffer height + * @gop_size: group of picture size (idr frame) + * @intra_period: intra frame period + * @framerate: frame rate in fps + * @profile: as specified in standard + * @level: as specified in standard + * @wfd: WFD mode 1:on, 0:off + */ +struct venc_h264_vpu_config { + u32 input_fourcc; + u32 bitrate; + u32 pic_w; + u32 pic_h; + u32 buf_w; + u32 buf_h; + u32 gop_size; + u32 intra_period; + u32 framerate; + u32 profile; + u32 level; + u32 wfd; +}; + +/* + * struct venc_h264_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_h264_vpu_buf { + u32 align; + u32 iova; + u32 vpua; + u32 size; +}; + +/* + * struct venc_h264_vsi - Structure for VPU driver control and info share + * This structure is allocated in VPU side and shared to AP side. + * @config: h264 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_h264_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. + * @sizeimage: image size for each plane + */ +struct venc_h264_vsi { + struct venc_h264_vpu_config config; + struct venc_h264_vpu_buf work_bufs[VENC_H264_VPU_WORK_BUF_MAX]; + unsigned int sizeimage[MTK_VCODEC_MAX_PLANES]; +}; + +/* + * struct venc_h264_vpu_inst - h264 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 + * @wait_int: flag to wait interrupt done (0: for skip frame case, 1: normal + * case) + * @id: VPU instance id + * @vsi: driver structure allocated by VPU side and shared to AP side for + * control and info share + */ +struct venc_h264_vpu_inst { + wait_queue_head_t wq_hd; + int signaled; + int failure; + int state; + int bs_size; + int wait_int; + unsigned int id; + struct venc_h264_vsi *vsi; +}; + +/* + * struct venc_h264_inst - h264 encoder AP driver instance + * @hw_base: h264 encoder hardware register base + * @work_bufs: working buffer + * @pps_buf: buffer to store the pps bitstream + * @work_buf_allocated: working buffer allocated flag + * @frm_cnt: encoded frame count + * @prepend_hdr: when the v4l2 layer send VENC_SET_PARAM_PREPEND_HEADER cmd + * through h264_enc_set_param interface, it will set this flag and prepend the + * sps/pps in h264_enc_encode function. + * @is_key_frm: key frame flag + * @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_h264_inst { + void __iomem *hw_base; + struct mtk_vcodec_mem work_bufs[VENC_H264_VPU_WORK_BUF_MAX]; + struct mtk_vcodec_mem pps_buf; + bool work_buf_allocated; + unsigned int frm_cnt; + unsigned int prepend_hdr; + unsigned int is_key_frm; + struct venc_h264_vpu_inst vpu_inst; + void *ctx; + struct platform_device *dev; +}; + +struct venc_common_if *get_h264_enc_comm_if(void); + +#endif diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c new file mode 100644 index 0000000..4f61262 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.c @@ -0,0 +1,323 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Jungchang Tsao + * 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_h264_if.h" +#include "venc_h264_vpu.h" +#include "venc_ipi_msg.h" + +static unsigned int h264_get_profile(struct venc_h264_inst *inst, + unsigned int profile) +{ + switch (profile) { + case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE: + return 66; + case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN: + return 77; + case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH: + return 100; + case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE: + mtk_vcodec_err(inst, "unsupported CONSTRAINED_BASELINE"); + return 0; + case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED: + mtk_vcodec_err(inst, "unsupported EXTENDED"); + return 0; + default: + mtk_vcodec_debug(inst, "unsupported profile %d", profile); + return 100; + } +} + +static unsigned int h264_get_level(struct venc_h264_inst *inst, + unsigned int level) +{ + switch (level) { + case V4L2_MPEG_VIDEO_H264_LEVEL_1B: + mtk_vcodec_err(inst, "unsupported 1B"); + return 0; + case V4L2_MPEG_VIDEO_H264_LEVEL_1_0: + return 10; + case V4L2_MPEG_VIDEO_H264_LEVEL_1_1: + return 11; + case V4L2_MPEG_VIDEO_H264_LEVEL_1_2: + return 12; + case V4L2_MPEG_VIDEO_H264_LEVEL_1_3: + return 13; + case V4L2_MPEG_VIDEO_H264_LEVEL_2_0: + return 20; + case V4L2_MPEG_VIDEO_H264_LEVEL_2_1: + return 21; + case V4L2_MPEG_VIDEO_H264_LEVEL_2_2: + return 22; + case V4L2_MPEG_VIDEO_H264_LEVEL_3_0: + return 30; + case V4L2_MPEG_VIDEO_H264_LEVEL_3_1: + return 31; + case V4L2_MPEG_VIDEO_H264_LEVEL_3_2: + return 32; + case V4L2_MPEG_VIDEO_H264_LEVEL_4_0: + return 40; + case V4L2_MPEG_VIDEO_H264_LEVEL_4_1: + return 41; + default: + mtk_vcodec_debug(inst, "unsupported level %d", level); + return 31; + } +} + +static void handle_h264_enc_init_msg(struct venc_h264_inst *inst, void *data) +{ + struct venc_vpu_ipi_msg_init *msg = data; + + inst->vpu_inst.id = msg->vpu_inst_addr; + inst->vpu_inst.vsi = (struct venc_h264_vsi *)vpu_mapping_dm_addr( + inst->dev, msg->vpu_inst_addr); +} + +static void handle_h264_enc_encode_msg(struct venc_h264_inst *inst, void *data) +{ + struct venc_vpu_ipi_msg_enc *msg = data; + + inst->vpu_inst.state = msg->state; + inst->vpu_inst.bs_size = msg->bs_size; + inst->is_key_frm = msg->is_key_frm; +} + +static void h264_enc_vpu_ipi_handler(void *data, unsigned int len, void *priv) +{ + struct venc_vpu_ipi_msg_common *msg = data; + struct venc_h264_inst *inst = (struct venc_h264_inst *)msg->venc_inst; + + mtk_vcodec_debug(inst, "msg_id %x inst %p status %d", + msg->msg_id, inst, msg->status); + + switch (msg->msg_id) { + case VPU_IPIMSG_ENC_INIT_DONE: + handle_h264_enc_init_msg(inst, data); + break; + case VPU_IPIMSG_ENC_SET_PARAM_DONE: + break; + case VPU_IPIMSG_ENC_ENCODE_DONE: + handle_h264_enc_encode_msg(inst, data); + break; + case VPU_IPIMSG_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 h264_enc_vpu_send_msg(struct venc_h264_inst *inst, void *msg, + int len) +{ + int status; + + mtk_vcodec_debug_enter(inst); + + status = vpu_ipi_send(inst->dev, IPI_VENC_H264, msg, len); + if (status) { + uint32_t msg_id = *(uint32_t *)msg; + + mtk_vcodec_err(inst, "vpu_ipi_send msg_id %x len %d fail %d", + msg_id, len, status); + return -EINVAL; + } + if (inst->vpu_inst.failure) + return -EINVAL; + + mtk_vcodec_debug_leave(inst); + + return 0; +} + +int h264_enc_vpu_init(struct venc_h264_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_H264, + h264_enc_vpu_ipi_handler, + "h264_enc", NULL); + if (status) { + mtk_vcodec_err(inst, "vpu_ipi_register fail %d", status); + return -EINVAL; + } + + out.msg_id = AP_IPIMSG_ENC_INIT; + out.venc_inst = (unsigned long)inst; + if (h264_enc_vpu_send_msg(inst, &out, sizeof(out))) { + mtk_vcodec_err(inst, "AP_IPIMSG_ENC_INIT fail"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(inst); + + return 0; +} + +int h264_enc_vpu_set_param(struct venc_h264_inst *inst, + enum venc_set_param_type id, + struct venc_enc_prm *enc_param) +{ + struct venc_ap_ipi_msg_set_param out; + + mtk_vcodec_debug(inst, "id %d ->", id); + + out.msg_id = AP_IPIMSG_ENC_SET_PARAM; + out.vpu_inst_addr = inst->vpu_inst.id; + out.param_id = id; + switch (id) { + case VENC_SET_PARAM_ENC: { + inst->vpu_inst.vsi->config.input_fourcc = + enc_param->input_fourcc; + inst->vpu_inst.vsi->config.bitrate = enc_param->bitrate; + inst->vpu_inst.vsi->config.pic_w = enc_param->width; + inst->vpu_inst.vsi->config.pic_h = enc_param->height; + inst->vpu_inst.vsi->config.buf_w = enc_param->buf_width; + inst->vpu_inst.vsi->config.buf_h = enc_param->buf_height; + inst->vpu_inst.vsi->config.gop_size = enc_param->gop_size; + inst->vpu_inst.vsi->config.intra_period = + enc_param->intra_period; + inst->vpu_inst.vsi->config.framerate = enc_param->frm_rate; + inst->vpu_inst.vsi->config.profile = + h264_get_profile(inst, enc_param->h264_profile); + inst->vpu_inst.vsi->config.level = + h264_get_level(inst, enc_param->h264_level); + inst->vpu_inst.vsi->config.wfd = 0; + 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(inst, "id %d not supported", id); + return -EINVAL; + } + if (h264_enc_vpu_send_msg(inst, &out, sizeof(out))) { + mtk_vcodec_err(inst, + "AP_IPIMSG_ENC_SET_PARAM %d fail", id); + return -EINVAL; + } + + mtk_vcodec_debug(inst, "id %d <-", id); + + return 0; +} + +int h264_enc_vpu_encode(struct venc_h264_inst *inst, 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(inst, "bs_mode %d ->", bs_mode); + + memset(&out, 0, sizeof(out)); + out.msg_id = AP_IPIMSG_ENC_ENCODE; + out.vpu_inst_addr = inst->vpu_inst.id; + 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(inst, "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 (h264_enc_vpu_send_msg(inst, &out, sizeof(out))) { + mtk_vcodec_err(inst, "AP_IPIMSG_ENC_ENCODE %d fail", + bs_mode); + return -EINVAL; + } + + mtk_vcodec_debug(inst, "state %d size %d key_frm %d", + inst->vpu_inst.state, inst->vpu_inst.bs_size, + inst->is_key_frm); + + inst->vpu_inst.wait_int = 1; + if (inst->vpu_inst.state == VEN_IPI_MSG_ENC_STATE_SKIP) { + *bs_size = inst->vpu_inst.bs_size; + memcpy(bs_buf->va, + inst->work_bufs[VENC_H264_VPU_WORK_BUF_SKIP_FRAME].va, + *bs_size); + inst->vpu_inst.wait_int = 0; + } + + mtk_vcodec_debug(inst, "bs_mode %d <-", bs_mode); + + return 0; +} + +int h264_enc_vpu_deinit(struct venc_h264_inst *inst) +{ + struct venc_ap_ipi_msg_deinit out; + + mtk_vcodec_debug_enter(inst); + + out.msg_id = AP_IPIMSG_ENC_DEINIT; + out.vpu_inst_addr = inst->vpu_inst.id; + if (h264_enc_vpu_send_msg(inst, &out, sizeof(out))) { + mtk_vcodec_err(inst, "AP_IPIMSG_ENC_DEINIT fail"); + return -EINVAL; + } + + mtk_vcodec_debug_leave(inst); + + return 0; +} diff --git a/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.h b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.h new file mode 100644 index 0000000..c1f3738 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/h264_enc/venc_h264_vpu.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Jungchang Tsao + * 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_H264_VPU_H_ +#define _VENC_H264_VPU_H_ + +int h264_enc_vpu_init(struct venc_h264_inst *inst); +int h264_enc_vpu_set_param(struct venc_h264_inst *inst, + enum venc_set_param_type id, + struct venc_enc_prm *param); +int h264_enc_vpu_encode(struct venc_h264_inst *inst, unsigned int bs_mode, + struct venc_frm_buf *frm_buf, + struct mtk_vcodec_mem *bs_buf, + unsigned int *bs_size); +int h264_enc_vpu_deinit(struct venc_h264_inst *inst); + +#endif diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c index 89213ed..c0c67b5 100644 --- a/drivers/media/platform/mtk-vcodec/venc_drv_if.c +++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c @@ -26,7 +26,7 @@ #include "venc_drv_base.h" #include "vp8_enc/venc_vp8_if.h" - +#include "h264_enc/venc_h264_if.h" int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) { @@ -37,6 +37,8 @@ int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) ctx->enc_if = get_vp8_enc_comm_if(); break; case V4L2_PIX_FMT_H264: + ctx->enc_if = get_h264_enc_comm_if(); + break; default: return -EINVAL; }