From patchwork Mon Apr 25 12:30:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tiffany.lin" X-Patchwork-Id: 8927291 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 3F46DBF29F for ; Mon, 25 Apr 2016 12:32:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CA3BD20219 for ; Mon, 25 Apr 2016 12:32:21 +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 737FD201EC for ; Mon, 25 Apr 2016 12:32:16 +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 1aufgW-0003cJ-4o; Mon, 25 Apr 2016 12:32:16 +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 1auffT-0002hX-QC; Mon, 25 Apr 2016 12:31:22 +0000 Received: from mtkhts07.mediatek.inc [(172.21.101.69)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1302769599; Mon, 25 Apr 2016 20:30:41 +0800 Received: from localhost.localdomain (10.21.14.115) by mtkhts07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Mon, 25 Apr 2016 20:30:40 +0800 From: Tiffany Lin To: Hans Verkuil , , Rob Herring , Mauro Carvalho Chehab , Matthias Brugger , Daniel Kurtz , Pawel Osciak Subject: [PATCH v8 5/8] [media] vcodec: mediatek: Add Mediatek V4L2 Video Encoder Driver Date: Mon, 25 Apr 2016 20:30:35 +0800 Message-ID: <1461587438-59886-6-git-send-email-tiffany.lin@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1461587438-59886-5-git-send-email-tiffany.lin@mediatek.com> References: <1461587438-59886-1-git-send-email-tiffany.lin@mediatek.com> <1461587438-59886-2-git-send-email-tiffany.lin@mediatek.com> <1461587438-59886-3-git-send-email-tiffany.lin@mediatek.com> <1461587438-59886-4-git-send-email-tiffany.lin@mediatek.com> <1461587438-59886-5-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-20160425_053112_423496_18D19781 X-CRM114-Status: GOOD ( 23.89 ) 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: devicetree@vger.kernel.org, Tiffany Lin , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, PoChun.Lin@mediatek.com, Yingjoe Chen , Eddie Huang , 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=-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 Add v4l2 layer encoder driver for MT8173 Signed-off-by: Tiffany Lin --- drivers/media/platform/Kconfig | 16 + drivers/media/platform/Makefile | 2 + drivers/media/platform/mtk-vcodec/Makefile | 14 + drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h | 339 +++++ drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 1303 ++++++++++++++++++++ drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h | 58 + .../media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 456 +++++++ .../media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 137 ++ .../media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h | 26 + .../media/platform/mtk-vcodec/mtk_vcodec_intr.c | 56 + .../media/platform/mtk-vcodec/mtk_vcodec_intr.h | 27 + .../media/platform/mtk-vcodec/mtk_vcodec_util.c | 96 ++ .../media/platform/mtk-vcodec/mtk_vcodec_util.h | 87 ++ drivers/media/platform/mtk-vcodec/venc_drv_base.h | 62 + drivers/media/platform/mtk-vcodec/venc_drv_if.c | 107 ++ drivers/media/platform/mtk-vcodec/venc_drv_if.h | 165 +++ drivers/media/platform/mtk-vcodec/venc_ipi_msg.h | 210 ++++ 17 files changed, 3161 insertions(+) create mode 100644 drivers/media/platform/mtk-vcodec/Makefile create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h create mode 100644 drivers/media/platform/mtk-vcodec/venc_drv_base.h create mode 100644 drivers/media/platform/mtk-vcodec/venc_drv_if.c create mode 100644 drivers/media/platform/mtk-vcodec/venc_drv_if.h create mode 100644 drivers/media/platform/mtk-vcodec/venc_ipi_msg.h diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index 74c3575..13b765a 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -165,6 +165,22 @@ config VIDEO_MEDIATEK_VPU To compile this driver as a module, choose M here: the module will be called mtk-vpu. +config VIDEO_MEDIATEK_VCODEC + tristate "Mediatek Video Codec driver" + depends on VIDEO_DEV && VIDEO_V4L2 + depends on ARCH_MEDIATEK || COMPILE_TEST + select VIDEOBUF2_DMA_CONTIG + select V4L2_MEM2MEM_DEV + select VIDEO_MEDIATEK_VPU + default n + ---help--- + Mediatek video codec driver provides HW capability to + encode and decode in a range of video formats + This driver rely on VPU driver to communicate with VPU. + + To compile this driver as a module, choose M here: the + module will be called mtk-vcodec + config VIDEO_MEM2MEM_DEINTERLACE tristate "Deinterlace support" depends on VIDEO_DEV && VIDEO_V4L2 && DMA_ENGINE diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile index 2efb7b1..6e735fe 100644 --- a/drivers/media/platform/Makefile +++ b/drivers/media/platform/Makefile @@ -58,3 +58,5 @@ obj-$(CONFIG_VIDEO_XILINX) += xilinx/ ccflags-y += -I$(srctree)/drivers/media/i2c obj-$(CONFIG_VIDEO_MEDIATEK_VPU) += mtk-vpu/ + +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec/ diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile new file mode 100644 index 0000000..d04433be --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/Makefile @@ -0,0 +1,14 @@ + +obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-enc.o mtk-vcodec-common.o + + + +mtk-vcodec-enc-y := mtk_vcodec_enc.o \ + mtk_vcodec_enc_drv.o \ + mtk_vcodec_enc_pm.o \ + venc_drv_if.o \ + +mtk-vcodec-common-y := mtk_vcodec_intr.o \ + mtk_vcodec_util.o\ + +ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h new file mode 100644 index 0000000..1e09eb75 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -0,0 +1,339 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: PC Chen +* Tiffany 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 _MTK_VCODEC_DRV_H_ +#define _MTK_VCODEC_DRV_H_ + +#include +#include +#include +#include +#include +#include + +#include "mtk_vcodec_util.h" + +#define MTK_VCODEC_DRV_NAME "mtk_vcodec_drv" +#define MTK_VCODEC_ENC_NAME "mtk-vcodec-enc" +#define MTK_PLATFORM_STR "platform:mt8173" + + +#define MTK_VCODEC_MAX_PLANES 3 +#define MTK_V4L2_BENCHMARK 0 +#define WAIT_INTR_TIMEOUT_MS 1000 + +/** + * enum mtk_hw_reg_idx - MTK hw register base index + */ +enum mtk_hw_reg_idx { + VDEC_SYS, + VDEC_MISC, + VDEC_LD, + VDEC_TOP, + VDEC_CM, + VDEC_AD, + VDEC_AV, + VDEC_PP, + VDEC_HWD, + VDEC_HWQ, + VDEC_HWB, + VDEC_HWG, + NUM_MAX_VDEC_REG_BASE, + /* h264 encoder */ + VENC_SYS = NUM_MAX_VDEC_REG_BASE, + /* vp8 encoder */ + VENC_LT_SYS, + NUM_MAX_VCODEC_REG_BASE +}; + +/** + * enum mtk_instance_type - The type of an MTK Vcodec instance. + */ +enum mtk_instance_type { + MTK_INST_DECODER = 0, + MTK_INST_ENCODER = 1, +}; + +/** + * enum mtk_instance_state - The state of an MTK Vcodec instance. + * @MTK_STATE_FREE - default state when instance is created + * @MTK_STATE_INIT - vcodec instance is initialized + * @MTK_STATE_HEADER - vdec had sps/pps header parsed or venc + * had sps/pps header encoded + * @MTK_STATE_FLUSH - vdec is flushing. Only used by decoder + * @MTK_STATE_ABORT - vcodec should be aborted + */ +enum mtk_instance_state { + MTK_STATE_FREE = 0, + MTK_STATE_INIT = 1, + MTK_STATE_HEADER = 2, + MTK_STATE_FLUSH = 3, + MTK_STATE_ABORT = 4, +}; + +/** + * struct mtk_encode_param - General encoding parameters type + */ +enum mtk_encode_param { + MTK_ENCODE_PARAM_NONE = 0, + MTK_ENCODE_PARAM_BITRATE = (1 << 0), + MTK_ENCODE_PARAM_FRAMERATE = (1 << 1), + MTK_ENCODE_PARAM_INTRA_PERIOD = (1 << 2), + MTK_ENCODE_PARAM_FORCE_INTRA = (1 << 3), + MTK_ENCODE_PARAM_GOP_SIZE = (1 << 4), +}; + +enum mtk_fmt_type { + MTK_FMT_DEC = 0, + MTK_FMT_ENC = 1, + MTK_FMT_FRAME = 2, +}; + +/** + * struct mtk_video_fmt - Structure used to store information about pixelformats + */ +struct mtk_video_fmt { + u32 fourcc; + enum mtk_fmt_type type; + u32 num_planes; +}; + +/** + * struct mtk_codec_framesizes - Structure used to store information about + * framesizes + */ +struct mtk_codec_framesizes { + u32 fourcc; + struct v4l2_frmsize_stepwise stepwise; +}; + +/** + * struct mtk_q_type - Type of queue + */ +enum mtk_q_type { + MTK_Q_DATA_SRC = 0, + MTK_Q_DATA_DST = 1, +}; + +/** + * struct mtk_q_data - Structure used to store information about queue + */ +struct mtk_q_data { + unsigned int visible_width; + unsigned int visible_height; + unsigned int coded_width; + unsigned int coded_height; + enum v4l2_field field; + unsigned int bytesperline[MTK_VCODEC_MAX_PLANES]; + unsigned int sizeimage[MTK_VCODEC_MAX_PLANES]; + struct mtk_video_fmt *fmt; +}; + +/** + * struct mtk_enc_params - General encoding parameters + * @bitrate: target bitrate in bits per second + * @num_b_frame: number of b frames between p-frame + * @rc_frame: frame based rate control + * @rc_mb: macroblock based rate control + * @seq_hdr_mode: H.264 sequence header is encoded separately or joined + * with the first frame + * @intra_period: I frame period + * @gop_size: group of picture size, it's used as the intra frame period + * @framerate_num: frame rate numerator. ex: framerate_num=30 and + * framerate_denom=1 menas FPS is 30 + * @framerate_denom: frame rate denominator. ex: framerate_num=30 and + * framerate_denom=1 menas FPS is 30 + * @h264_max_qp: Max value for H.264 quantization parameter + * @h264_profile: V4L2 defined H.264 profile + * @h264_level: V4L2 defined H.264 level + * @force_intra: force/insert intra frame + */ +struct mtk_enc_params { + unsigned int bitrate; + unsigned int num_b_frame; + unsigned int rc_frame; + unsigned int rc_mb; + unsigned int seq_hdr_mode; + unsigned int intra_period; + unsigned int gop_size; + unsigned int framerate_num; + unsigned int framerate_denom; + unsigned int h264_max_qp; + unsigned int h264_profile; + unsigned int h264_level; + unsigned int force_intra; +}; + +/** + * struct mtk_vcodec_pm - Power management data structure + */ +struct mtk_vcodec_pm { + struct clk *vcodecpll; + struct clk *univpll_d2; + struct clk *clk_cci400_sel; + struct clk *vdecpll; + struct clk *vdec_sel; + struct clk *vencpll_d2; + struct clk *venc_sel; + struct clk *univpll1_d2; + struct clk *venc_lt_sel; + struct device *larbvdec; + struct device *larbvenc; + struct device *larbvenclt; + struct device *dev; + struct mtk_vcodec_dev *mtkdev; +}; + + +/** + * struct mtk_vcodec_ctx - Context (instance) private data. + * + * @type: type of the instance - decoder or encoder + * @dev: pointer to the mtk_vcodec_dev of the device + * @list: link to ctx_list of mtk_vcodec_dev + * @fh: struct v4l2_fh + * @m2m_ctx: pointer to the v4l2_m2m_ctx of the context + * @q_data: store information of input and output queue + * of the context + * @idx: index of the context that this structure describes + * @state: state of the context + * @param_change: indicate encode parameter type + * @enc_params: encoding parameters + * @enc_if: hoooked encoder driver interface + * @drv_handle: driver handle for specific decode/encode instance + * + * @int_cond: variable used by the waitqueue + * @int_type: type of the last interrupt + * @queue: waitqueue that can be used to wait for this context to + * finish + * @irq_status: irq status + * + * @ctrl_hdl: handler for v4l2 framework + * @encode_work: worker for the encoding + * + * @colorspace: enum v4l2_colorspace; supplemental to pixelformat + * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding + * @quantization: enum v4l2_quantization, colorspace quantization + * @xfer_func: enum v4l2_xfer_func, colorspace transfer function + */ +struct mtk_vcodec_ctx { + enum mtk_instance_type type; + struct mtk_vcodec_dev *dev; + struct list_head list; + + struct v4l2_fh fh; + struct v4l2_m2m_ctx *m2m_ctx; + struct mtk_q_data q_data[2]; + int idx; + enum mtk_instance_state state; + enum mtk_encode_param param_change; + struct mtk_enc_params enc_params; + + struct venc_common_if *enc_if; + unsigned long drv_handle; + + int int_cond; + int int_type; + wait_queue_head_t queue; + unsigned int irq_status; + + struct v4l2_ctrl_handler ctrl_hdl; + struct work_struct encode_work; + + enum v4l2_colorspace colorspace; + enum v4l2_ycbcr_encoding ycbcr_enc; + enum v4l2_quantization quantization; + enum v4l2_xfer_func xfer_func; +}; + +/** + * struct mtk_vcodec_dev - driver data + * @v4l2_dev: V4L2 device to register video devices for. + * @vfd_enc: Video device for encoder. + * + * @m2m_dev_enc: m2m device for encoder. + * @plat_dev: platform device + * @vpu_plat_dev: mtk vpu platform device + * @alloc_ctx: VB2 allocator context + * (for allocations without kernel mapping). + * @ctx_list: list of struct mtk_vcodec_ctx + * @irqlock: protect data access by irq handler and work thread + * @curr_ctx: The context that is waiting for codec hardware + * + * @reg_base: Mapped address of MTK Vcodec registers. + * + * @curr_max_idx: used to identify current opened instance + * @num_instances: counter of active MTK Vcodec instances + * + * @encode_workqueue: encode work queue + * + * @int_cond: used to identify interrupt condition happen + * @int_type: used to identify what kind of interrupt condition happen + * @dev_mutex: video_device lock + * @queue: waitqueue for waiting for completion of device commands + * + * @enc_irq: h264 encoder irq resource + * @enc_lt_irq: vp8 encoder irq resource + * + * @enc_mutex: encoder hardware lock. + * + * @pm: power management control + * @dec_capability: used to identify decode capability, ex: 4k + * @enc_capability: used to identify encode capability + */ +struct mtk_vcodec_dev { + struct v4l2_device v4l2_dev; + struct video_device *vfd_enc; + + struct v4l2_m2m_dev *m2m_dev_enc; + struct platform_device *plat_dev; + struct platform_device *vpu_plat_dev; + struct vb2_alloc_ctx *alloc_ctx; + struct list_head ctx_list; + spinlock_t irqlock; + struct mtk_vcodec_ctx *curr_ctx; + void __iomem *reg_base[NUM_MAX_VCODEC_REG_BASE]; + + unsigned long curr_max_idx; + int num_instances; + + struct workqueue_struct *encode_workqueue; + + int int_cond; + int int_type; + struct mutex dev_mutex; + wait_queue_head_t queue; + + int enc_irq; + int enc_lt_irq; + + struct mutex enc_mutex; + + struct mtk_vcodec_pm pm; + unsigned int dec_capability; + unsigned int enc_capability; +}; + +static inline struct mtk_vcodec_ctx *fh_to_ctx(struct v4l2_fh *fh) +{ + return container_of(fh, struct mtk_vcodec_ctx, fh); +} + +static inline struct mtk_vcodec_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl) +{ + return container_of(ctrl->handler, struct mtk_vcodec_ctx, ctrl_hdl); +} + +#endif /* _MTK_VCODEC_DRV_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c new file mode 100644 index 0000000..b974df1 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -0,0 +1,1303 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: PC Chen +* Tiffany 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_enc.h" +#include "mtk_vcodec_intr.h" +#include "mtk_vcodec_util.h" +#include "venc_drv_if.h" + +#define MTK_VENC_MIN_W 160U +#define MTK_VENC_MIN_H 128U +#define MTK_VENC_MAX_W 1920U +#define MTK_VENC_MAX_H 1088U +#define DFT_CFG_WIDTH MTK_VENC_MIN_W +#define DFT_CFG_HEIGHT MTK_VENC_MIN_H +#define MTK_MAX_CTRLS_HINT 20 +#define OUT_FMT_IDX 0 +#define CAP_FMT_IDX 4 + + +static void mtk_venc_worker(struct work_struct *work); + +static struct mtk_video_fmt mtk_video_formats[] = { + { + .fourcc = V4L2_PIX_FMT_NV12M, + .type = MTK_FMT_FRAME, + .num_planes = 2, + }, + { + .fourcc = V4L2_PIX_FMT_NV21M, + .type = MTK_FMT_FRAME, + .num_planes = 2, + }, + { + .fourcc = V4L2_PIX_FMT_YUV420M, + .type = MTK_FMT_FRAME, + .num_planes = 3, + }, + { + .fourcc = V4L2_PIX_FMT_YVU420M, + .type = MTK_FMT_FRAME, + .num_planes = 3, + }, + { + .fourcc = V4L2_PIX_FMT_H264, + .type = MTK_FMT_ENC, + .num_planes = 1, + }, + { + .fourcc = V4L2_PIX_FMT_VP8, + .type = MTK_FMT_ENC, + .num_planes = 1, + }, +}; + +#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats) + +static const struct mtk_codec_framesizes mtk_venc_framesizes[] = { + { + .fourcc = V4L2_PIX_FMT_H264, + .stepwise = { MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16, + MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16 }, + }, + { + .fourcc = V4L2_PIX_FMT_VP8, + .stepwise = { MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16, + MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16 }, + }, +}; + +#define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_venc_framesizes) + +static int vidioc_venc_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl); + struct mtk_enc_params *p = &ctx->enc_params; + int ret = 0; + + switch (ctrl->id) { + case V4L2_CID_MPEG_VIDEO_BITRATE: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_BITRATE val = %d", + ctrl->val); + p->bitrate = ctrl->val; + ctx->param_change |= MTK_ENCODE_PARAM_BITRATE; + break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_B_FRAMES val = %d", + ctrl->val); + p->num_b_frame = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE val = %d", + ctrl->val); + p->rc_frame = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_MAX_QP: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_MAX_QP val = %d", + ctrl->val); + p->h264_max_qp = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_HEADER_MODE: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_HEADER_MODE val = %d", + ctrl->val); + p->seq_hdr_mode = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE val = %d", + ctrl->val); + p->rc_mb = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_PROFILE: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_PROFILE val = %d", + ctrl->val); + p->h264_profile = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_LEVEL: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_LEVEL val = %d", + ctrl->val); + p->h264_level = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_I_PERIOD val = %d", + ctrl->val); + p->intra_period = ctrl->val; + ctx->param_change |= MTK_ENCODE_PARAM_INTRA_PERIOD; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_GOP_SIZE val = %d", + ctrl->val); + p->gop_size = ctrl->val; + ctx->param_change |= MTK_ENCODE_PARAM_GOP_SIZE; + break; + case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME: + mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME"); + p->force_intra = 1; + ctx->param_change |= MTK_ENCODE_PARAM_FORCE_INTRA; + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = { + .s_ctrl = vidioc_venc_s_ctrl, +}; + +static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue) +{ + struct mtk_video_fmt *fmt; + int i, j = 0; + + for (i = 0; i < NUM_FORMATS; ++i) { + if (output_queue && mtk_video_formats[i].type != MTK_FMT_FRAME) + continue; + if (!output_queue && mtk_video_formats[i].type != MTK_FMT_ENC) + continue; + + if (j == f->index) { + fmt = &mtk_video_formats[i]; + f->pixelformat = fmt->fourcc; + memset(f->reserved, 0, sizeof(f->reserved)); + return 0; + } + ++j; + } + + return -EINVAL; +} + +static int vidioc_enum_framesizes(struct file *file, void *fh, + struct v4l2_frmsizeenum *fsize) +{ + int i = 0; + + if (fsize->index != 0) + return -EINVAL; + + for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) { + if (fsize->pixel_format != mtk_venc_framesizes[i].fourcc) + continue; + + fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; + fsize->stepwise = mtk_venc_framesizes[i].stepwise; + return 0; + } + + return -EINVAL; +} + +static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, + struct v4l2_fmtdesc *f) +{ + return vidioc_enum_fmt(f, false); +} + +static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov, + struct v4l2_fmtdesc *f) +{ + return vidioc_enum_fmt(f, true); +} + +static int vidioc_venc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + strlcpy(cap->driver, MTK_VCODEC_ENC_NAME, sizeof(cap->driver)); + strlcpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info)); + strlcpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card)); + + return 0; +} + +static int vidioc_venc_s_parm(struct file *file, void *priv, + struct v4l2_streamparm *a) +{ + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); + + if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return -EINVAL; + + ctx->enc_params.framerate_num = + a->parm.output.timeperframe.denominator; + ctx->enc_params.framerate_denom = + a->parm.output.timeperframe.numerator; + ctx->param_change |= MTK_ENCODE_PARAM_FRAMERATE; + + return 0; +} + +static int vidioc_venc_g_parm(struct file *file, void *priv, + struct v4l2_streamparm *a) +{ + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); + + if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return -EINVAL; + + a->parm.output.timeperframe.denominator = + ctx->enc_params.framerate_num; + a->parm.output.timeperframe.numerator = + ctx->enc_params.framerate_denom; + + return 0; +} + +static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx, + enum v4l2_buf_type type) +{ + if (V4L2_TYPE_IS_OUTPUT(type)) + return &ctx->q_data[MTK_Q_DATA_SRC]; + + return &ctx->q_data[MTK_Q_DATA_DST]; +} + +static struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f) +{ + struct mtk_video_fmt *fmt; + unsigned int k; + + for (k = 0; k < NUM_FORMATS; k++) { + fmt = &mtk_video_formats[k]; + if (fmt->fourcc == f->fmt.pix.pixelformat) + return fmt; + } + + return NULL; +} + +/* V4L2 specification suggests the driver corrects the format struct if any of + * the dimensions is unsupported + */ +static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt) +{ + struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; + int i; + + pix_fmt_mp->field = V4L2_FIELD_NONE; + + if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + pix_fmt_mp->num_planes = 1; + pix_fmt_mp->plane_fmt[0].bytesperline = 0; + } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + int tmp_w, tmp_h; + + pix_fmt_mp->height = clamp(pix_fmt_mp->height, + MTK_VENC_MIN_H, + MTK_VENC_MAX_H); + pix_fmt_mp->width = clamp(pix_fmt_mp->width, + MTK_VENC_MIN_W, + MTK_VENC_MAX_W); + + /* find next closer width align 16, heign align 32, size align + * 64 rectangle + */ + tmp_w = pix_fmt_mp->width; + tmp_h = pix_fmt_mp->height; + v4l_bound_align_image(&pix_fmt_mp->width, + MTK_VENC_MIN_W, + MTK_VENC_MAX_W, 4, + &pix_fmt_mp->height, + MTK_VENC_MIN_H, + MTK_VENC_MAX_H, 5, 6); + + if (pix_fmt_mp->width < tmp_w && + (pix_fmt_mp->width + 16) <= MTK_VENC_MAX_W) + pix_fmt_mp->width += 16; + if (pix_fmt_mp->height < tmp_h && + (pix_fmt_mp->height + 32) <= MTK_VENC_MAX_H) + pix_fmt_mp->height += 32; + + mtk_v4l2_debug(0, + "before resize width=%d, height=%d, after resize width=%d, height=%d, sizeimage=%d", + tmp_w, tmp_h, pix_fmt_mp->width, + pix_fmt_mp->height, + pix_fmt_mp->width * pix_fmt_mp->height); + + pix_fmt_mp->num_planes = fmt->num_planes; + pix_fmt_mp->plane_fmt[0].sizeimage = + pix_fmt_mp->width * pix_fmt_mp->height + + ((ALIGN(pix_fmt_mp->width, 16) * 2) * 16); + pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width; + + if (pix_fmt_mp->num_planes == 2) { + pix_fmt_mp->plane_fmt[1].sizeimage = + (pix_fmt_mp->width * pix_fmt_mp->height) / 2 + + (ALIGN(pix_fmt_mp->width, 16) * 16); + pix_fmt_mp->plane_fmt[2].sizeimage = 0; + pix_fmt_mp->plane_fmt[1].bytesperline = + pix_fmt_mp->width; + pix_fmt_mp->plane_fmt[2].bytesperline = 0; + } else if (pix_fmt_mp->num_planes == 3) { + pix_fmt_mp->plane_fmt[1].sizeimage = + pix_fmt_mp->plane_fmt[2].sizeimage = + (pix_fmt_mp->width * pix_fmt_mp->height) / 4 + + ((ALIGN(pix_fmt_mp->width, 16) / 2) * 16); + pix_fmt_mp->plane_fmt[1].bytesperline = + pix_fmt_mp->plane_fmt[2].bytesperline = + pix_fmt_mp->width / 2; + } + } + + for (i = 0; i < pix_fmt_mp->num_planes; i++) + memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0, + sizeof(pix_fmt_mp->plane_fmt[0].reserved)); + + pix_fmt_mp->flags = 0; + memset(&pix_fmt_mp->reserved, 0x0, + sizeof(pix_fmt_mp->reserved)); + + return 0; +} + +static void mtk_venc_set_param(struct mtk_vcodec_ctx *ctx, + struct venc_enc_param *param) +{ + struct mtk_q_data *q_data_src = &ctx->q_data[MTK_Q_DATA_SRC]; + struct mtk_enc_params *enc_params = &ctx->enc_params; + + switch (q_data_src->fmt->fourcc) { + case V4L2_PIX_FMT_YUV420M: + param->input_yuv_fmt = VENC_YUV_FORMAT_I420; + break; + case V4L2_PIX_FMT_YVU420M: + param->input_yuv_fmt = VENC_YUV_FORMAT_YV12; + break; + case V4L2_PIX_FMT_NV12M: + param->input_yuv_fmt = VENC_YUV_FORMAT_NV12; + break; + case V4L2_PIX_FMT_NV21M: + param->input_yuv_fmt = VENC_YUV_FORMAT_NV21; + break; + default: + mtk_v4l2_err("Unsupport fourcc =%d", q_data_src->fmt->fourcc); + break; + } + param->h264_profile = enc_params->h264_profile; + param->h264_level = enc_params->h264_level; + + /* Config visible resolution */ + param->width = q_data_src->visible_width; + param->height = q_data_src->visible_height; + /* Config coded resolution */ + param->buf_width = q_data_src->coded_width; + param->buf_height = q_data_src->coded_height; + param->frm_rate = enc_params->framerate_num / + enc_params->framerate_denom; + param->intra_period = enc_params->intra_period; + param->gop_size = enc_params->gop_size; + param->bitrate = enc_params->bitrate; + + mtk_v4l2_debug(0, + "fmt 0x%x, P/L %d/%d, w/h %d/%d, buf %d/%d, fps/bps %d/%d, gop %d, i_period %d", + param->input_yuv_fmt, param->h264_profile, + param->h264_level, param->width, param->height, + param->buf_width, param->buf_height, + param->frm_rate, param->bitrate, + param->gop_size, param->intra_period); +} + +static int vidioc_venc_s_fmt_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); + struct vb2_queue *vq; + struct mtk_q_data *q_data; + int i, ret; + struct mtk_video_fmt *fmt; + + vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + if (!vq) { + mtk_v4l2_err("fail to get vq"); + return -EINVAL; + } + + if (vb2_is_busy(vq)) { + mtk_v4l2_err("queue busy"); + return -EBUSY; + } + + q_data = mtk_venc_get_q_data(ctx, f->type); + if (!q_data) { + mtk_v4l2_err("fail to get q data"); + return -EINVAL; + } + + fmt = mtk_venc_find_format(f); + if (!fmt) { + f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc; + fmt = mtk_venc_find_format(f); + } + + q_data->fmt = fmt; + ret = vidioc_try_fmt(f, q_data->fmt); + if (ret) + return ret; + + q_data->coded_width = f->fmt.pix_mp.width; + q_data->coded_height = f->fmt.pix_mp.height; + q_data->field = f->fmt.pix_mp.field; + + for (i = 0; i < f->fmt.pix_mp.num_planes; i++) { + struct v4l2_plane_pix_format *plane_fmt; + + plane_fmt = &f->fmt.pix_mp.plane_fmt[i]; + q_data->bytesperline[i] = plane_fmt->bytesperline; + q_data->sizeimage[i] = plane_fmt->sizeimage; + } + + if (ctx->state == MTK_STATE_FREE) { + ret = venc_if_init(ctx, q_data->fmt->fourcc); + if (ret) { + mtk_v4l2_err("venc_if_init failed=%d, codec type=%x", + ret, q_data->fmt->fourcc); + return -EBUSY; + } + + ctx->state = MTK_STATE_INIT; + } + + return 0; +} + +static int vidioc_venc_s_fmt_out(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); + struct vb2_queue *vq; + struct mtk_q_data *q_data; + int ret, i; + struct mtk_video_fmt *fmt; + unsigned int pitch_w_div16; + struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; + + vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + if (!vq) { + mtk_v4l2_err("fail to get vq"); + return -EINVAL; + } + + if (vb2_is_busy(vq)) { + mtk_v4l2_err("queue busy"); + return -EBUSY; + } + + q_data = mtk_venc_get_q_data(ctx, f->type); + if (!q_data) { + mtk_v4l2_err("fail to get q data"); + return -EINVAL; + } + + fmt = mtk_venc_find_format(f); + if (!fmt) { + f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc; + fmt = mtk_venc_find_format(f); + } + + pix_fmt_mp->height = clamp(pix_fmt_mp->height, + MTK_VENC_MIN_H, + MTK_VENC_MAX_H); + pix_fmt_mp->width = clamp(pix_fmt_mp->width, + MTK_VENC_MIN_W, + MTK_VENC_MAX_W); + + q_data->visible_width = f->fmt.pix_mp.width; + q_data->visible_height = f->fmt.pix_mp.height; + q_data->fmt = fmt; + ret = vidioc_try_fmt(f, q_data->fmt); + if (ret) + return ret; + + q_data->coded_width = f->fmt.pix_mp.width; + q_data->coded_height = f->fmt.pix_mp.height; + + pitch_w_div16 = DIV_ROUND_UP(q_data->visible_width, 16); + if (pitch_w_div16 % 8 != 0) { + /* Adjust returned width/height, so application could correctly + * allocate hw required memory + */ + q_data->visible_height += 32; + vidioc_try_fmt(f, q_data->fmt); + } + + q_data->field = f->fmt.pix_mp.field; + ctx->colorspace = f->fmt.pix_mp.colorspace; + ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc; + ctx->quantization = f->fmt.pix_mp.quantization; + ctx->xfer_func = f->fmt.pix_mp.xfer_func; + + for (i = 0; i < f->fmt.pix_mp.num_planes; i++) { + struct v4l2_plane_pix_format *plane_fmt; + + plane_fmt = &f->fmt.pix_mp.plane_fmt[i]; + q_data->bytesperline[i] = plane_fmt->bytesperline; + q_data->sizeimage[i] = plane_fmt->sizeimage; + } + + return 0; +} + +static int vidioc_venc_g_fmt(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); + struct vb2_queue *vq; + struct mtk_q_data *q_data; + int i; + + vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + if (!vq) + return -EINVAL; + + q_data = mtk_venc_get_q_data(ctx, f->type); + + pix->width = q_data->coded_width; + pix->height = q_data->coded_height; + pix->pixelformat = q_data->fmt->fourcc; + pix->field = q_data->field; + pix->num_planes = q_data->fmt->num_planes; + for (i = 0; i < pix->num_planes; i++) { + pix->plane_fmt[i].bytesperline = q_data->bytesperline[i]; + pix->plane_fmt[i].sizeimage = q_data->sizeimage[i]; + memset(&(pix->plane_fmt[i].reserved[0]), 0x0, + sizeof(pix->plane_fmt[i].reserved)); + } + + pix->flags = 0; + pix->colorspace = ctx->colorspace; + pix->ycbcr_enc = ctx->ycbcr_enc; + pix->quantization = ctx->quantization; + pix->xfer_func = ctx->xfer_func; + + return 0; +} + +static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct mtk_video_fmt *fmt; + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); + + fmt = mtk_venc_find_format(f); + if (!fmt) { + f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc; + fmt = mtk_venc_find_format(f); + } + f->fmt.pix_mp.colorspace = ctx->colorspace; + f->fmt.pix_mp.ycbcr_enc = ctx->ycbcr_enc; + f->fmt.pix_mp.quantization = ctx->quantization; + f->fmt.pix_mp.xfer_func = ctx->xfer_func; + + return vidioc_try_fmt(f, fmt); +} + +static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct mtk_video_fmt *fmt; + + fmt = mtk_venc_find_format(f); + if (!fmt) { + f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc; + fmt = mtk_venc_find_format(f); + } + if (!f->fmt.pix_mp.colorspace) { + f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709; + f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT; + f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT; + } + + return vidioc_try_fmt(f, fmt); +} + +static int vidioc_venc_qbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); + + if (ctx->state == MTK_STATE_ABORT) { + mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error", + ctx->idx); + return -EIO; + } + + return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); +} + +static int vidioc_venc_dqbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); + + if (ctx->state == MTK_STATE_ABORT) { + mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error", + ctx->idx); + return -EIO; + } + + return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); +} + +const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = { + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, + + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_qbuf = vidioc_venc_qbuf, + .vidioc_dqbuf = vidioc_venc_dqbuf, + + .vidioc_querycap = vidioc_venc_querycap, + .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, + .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, + .vidioc_enum_framesizes = vidioc_enum_framesizes, + + .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane, + .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane, + .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, + + .vidioc_s_parm = vidioc_venc_s_parm, + .vidioc_g_parm = vidioc_venc_g_parm, + .vidioc_s_fmt_vid_cap_mplane = vidioc_venc_s_fmt_cap, + .vidioc_s_fmt_vid_out_mplane = vidioc_venc_s_fmt_out, + + .vidioc_g_fmt_vid_cap_mplane = vidioc_venc_g_fmt, + .vidioc_g_fmt_vid_out_mplane = vidioc_venc_g_fmt, + + .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, + .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, +}; + +static int vb2ops_venc_queue_setup(struct vb2_queue *vq, + unsigned int *nbuffers, + unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) +{ + struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq); + struct mtk_q_data *q_data; + unsigned int i; + + q_data = mtk_venc_get_q_data(ctx, vq->type); + + if (q_data == NULL) + return -EINVAL; + + if (*nplanes) { + for (i = 0; i < *nplanes; i++) { + if (sizes[i] < q_data->sizeimage[i]) + return -EINVAL; + alloc_ctxs[i] = ctx->dev->alloc_ctx; + } + } else { + *nplanes = q_data->fmt->num_planes; + for (i = 0; i < *nplanes; i++) { + sizes[i] = q_data->sizeimage[i]; + alloc_ctxs[i] = ctx->dev->alloc_ctx; + } + } + + return 0; +} + +static int vb2ops_venc_buf_prepare(struct vb2_buffer *vb) +{ + struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + struct mtk_q_data *q_data; + int i; + + q_data = mtk_venc_get_q_data(ctx, vb->vb2_queue->type); + + for (i = 0; i < q_data->fmt->num_planes; i++) { + if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) { + mtk_v4l2_err("data will not fit into plane %d (%lu < %d)", + i, vb2_plane_size(vb, i), + q_data->sizeimage[i]); + return -EINVAL; + } + } + + return 0; +} + +static void vb2ops_venc_buf_queue(struct vb2_buffer *vb) +{ + struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + struct vb2_v4l2_buffer *vb2_v4l2 = + container_of(vb, struct vb2_v4l2_buffer, vb2_buf); + + struct mtk_video_enc_buf *mtk_buf = + container_of(vb2_v4l2, struct mtk_video_enc_buf, vb); + + if ((vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) && + (ctx->param_change != MTK_ENCODE_PARAM_NONE)) { + mtk_v4l2_debug(1, "[%d] Before id=%d encode parameter change %x", + ctx->idx, + mtk_buf->vb.vb2_buf.index, + ctx->param_change); + mtk_buf->param_change = ctx->param_change; + mtk_buf->enc_params = ctx->enc_params; + ctx->param_change = MTK_ENCODE_PARAM_NONE; + } + + v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb)); +} + +static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count) +{ + struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q); + struct venc_enc_param param; + int ret; + int i; + + /* Once state turn into MTK_STATE_ABORT, we need stop_streaming + * to clear it + */ + if ((ctx->state == MTK_STATE_ABORT) || (ctx->state == MTK_STATE_FREE)) { + ret = -EIO; + goto err_set_param; + } + + /* Do the initialization when both start_streaming have been called */ + if (V4L2_TYPE_IS_OUTPUT(q->type)) { + if (!vb2_start_streaming_called(&ctx->m2m_ctx->cap_q_ctx.q)) + return 0; + } else { + if (!vb2_start_streaming_called(&ctx->m2m_ctx->out_q_ctx.q)) + return 0; + } + + mtk_venc_set_param(ctx, ¶m); + ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, ¶m); + if (ret) { + mtk_v4l2_err("venc_if_set_param failed=%d", ret); + ctx->state = MTK_STATE_ABORT; + goto err_set_param; + } + ctx->param_change = MTK_ENCODE_PARAM_NONE; + + if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) && + (ctx->enc_params.seq_hdr_mode != + V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)) { + ret = venc_if_set_param(ctx, + VENC_SET_PARAM_PREPEND_HEADER, + 0); + if (ret) { + mtk_v4l2_err("venc_if_set_param failed=%d", ret); + ctx->state = MTK_STATE_ABORT; + goto err_set_param; + } + ctx->state = MTK_STATE_HEADER; + } + + return 0; + +err_set_param: + for (i = 0; i < q->num_buffers; ++i) { + if (q->bufs[i]->state == VB2_BUF_STATE_ACTIVE) { + mtk_v4l2_debug(0, "[%d] idx=%d, type=%d, %d -> VB2_BUF_STATE_QUEUED", + ctx->idx, i, q->type, + (int)q->bufs[i]->state); + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(q->bufs[i]), + VB2_BUF_STATE_QUEUED); + } + } + + return ret; +} + +static void vb2ops_venc_stop_streaming(struct vb2_queue *q) +{ + struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q); + struct vb2_buffer *src_buf, *dst_buf; + int ret; + + mtk_v4l2_debug(2, "[%d]-> type=%d", ctx->idx, q->type); + + if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) { + dst_buf->planes[0].bytesused = 0; + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), + VB2_BUF_STATE_ERROR); + } + } else { + while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf), + VB2_BUF_STATE_ERROR); + } + + if ((q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && + vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q)) || + (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && + vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q))) { + mtk_v4l2_debug(1, "[%d]-> q type %d out=%d cap=%d", + ctx->idx, q->type, + vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q), + vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q)); + return; + } + + /* Release the encoder if both streams are stopped. */ + ret = venc_if_deinit(ctx); + if (ret) + mtk_v4l2_err("venc_if_deinit failed=%d", ret); + + ctx->state = MTK_STATE_FREE; +} + +static struct vb2_ops mtk_venc_vb2_ops = { + .queue_setup = vb2ops_venc_queue_setup, + .buf_prepare = vb2ops_venc_buf_prepare, + .buf_queue = vb2ops_venc_buf_queue, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, + .start_streaming = vb2ops_venc_start_streaming, + .stop_streaming = vb2ops_venc_stop_streaming, +}; + +static int mtk_venc_encode_header(void *priv) +{ + struct mtk_vcodec_ctx *ctx = priv; + int ret; + struct vb2_buffer *dst_buf; + struct mtk_vcodec_mem bs_buf; + struct venc_done_result enc_result; + + dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); + if (!dst_buf) { + mtk_v4l2_debug(1, "No dst buffer"); + return -EINVAL; + } + + bs_buf.va = vb2_plane_vaddr(dst_buf, 0); + bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); + bs_buf.size = (size_t)dst_buf->planes[0].length; + + mtk_v4l2_debug(1, + "[%d] buf idx=%d va=0x%p dma_addr=0x%llx size=0x%lx", + ctx->idx, + dst_buf->index, bs_buf.va, + (u64)bs_buf.dma_addr, + bs_buf.size); + + ret = venc_if_encode(ctx, + VENC_START_OPT_ENCODE_SEQUENCE_HEADER, + 0, &bs_buf, &enc_result); + + if (ret) { + dst_buf->planes[0].bytesused = 0; + ctx->state = MTK_STATE_ABORT; + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), + VB2_BUF_STATE_ERROR); + mtk_v4l2_err("venc_if_encode failed=%d", ret); + return -EINVAL; + } + + ctx->state = MTK_STATE_HEADER; + dst_buf->planes[0].bytesused = enc_result.bs_size; + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), VB2_BUF_STATE_DONE); + +#if defined(DEBUG) +{ + int i; + + mtk_v4l2_debug(1, "[%d] venc_if_encode header len=%d", + ctx->idx, + enc_result.bs_size); + for (i = 0; i < enc_result.bs_size; i++) { + unsigned char *p = (unsigned char *)bs_buf.va; + + mtk_v4l2_debug(1, "[%d] buf[%d]=0x%2x", ctx->idx, i, p[i]); + } +} +#endif + return 0; +} + +static int mtk_venc_param_change(struct mtk_vcodec_ctx *ctx) +{ + struct venc_enc_param enc_prm; + struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx); + struct vb2_v4l2_buffer *vb2_v4l2 = + container_of(vb, struct vb2_v4l2_buffer, vb2_buf); + struct mtk_video_enc_buf *mtk_buf = + container_of(vb2_v4l2, struct mtk_video_enc_buf, vb); + + int ret = 0; + + memset(&enc_prm, 0, sizeof(enc_prm)); + if (mtk_buf->param_change == MTK_ENCODE_PARAM_NONE) + return 0; + + if (mtk_buf->param_change & MTK_ENCODE_PARAM_BITRATE) { + enc_prm.bitrate = mtk_buf->enc_params.bitrate; + mtk_v4l2_debug(1, "[%d] idx=%d, change param br=%d", + ctx->idx, + mtk_buf->vb.vb2_buf.index, + enc_prm.bitrate); + ret |= venc_if_set_param(ctx, + VENC_SET_PARAM_ADJUST_BITRATE, + &enc_prm); + } + if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FRAMERATE) { + enc_prm.frm_rate = mtk_buf->enc_params.framerate_num / + mtk_buf->enc_params.framerate_denom; + mtk_v4l2_debug(1, "[%d] idx=%d, change param fr=%d", + ctx->idx, + mtk_buf->vb.vb2_buf.index, + enc_prm.frm_rate); + ret |= venc_if_set_param(ctx, + VENC_SET_PARAM_ADJUST_FRAMERATE, + &enc_prm); + } + if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_GOP_SIZE) { + enc_prm.gop_size = mtk_buf->enc_params.gop_size; + mtk_v4l2_debug(1, "change param intra period=%d", + enc_prm.gop_size); + ret |= venc_if_set_param(ctx, + VENC_SET_PARAM_GOP_SIZE, + &enc_prm); + } + if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FORCE_INTRA) { + mtk_v4l2_debug(1, "[%d] idx=%d, change param force I=%d", + ctx->idx, + mtk_buf->vb.vb2_buf.index, + mtk_buf->enc_params.force_intra); + if (mtk_buf->enc_params.force_intra) + ret |= venc_if_set_param(ctx, + VENC_SET_PARAM_FORCE_INTRA, + 0); + } + + mtk_buf->param_change = MTK_ENCODE_PARAM_NONE; + + if (ret) { + ctx->state = MTK_STATE_ABORT; + mtk_v4l2_err("venc_if_set_param %d failed=%d", + mtk_buf->param_change, ret); + return -1; + } + + return 0; +} + +/* + * v4l2_m2m_streamoff() holds dev_mutex and waits mtk_venc_worker() + * to call v4l2_m2m_job_finish(). + * If mtk_venc_worker() tries to acquire dev_mutex, it will deadlock. + * So this function must not try to acquire dev->dev_mutex. + * This means v4l2 ioctls and mtk_venc_worker() can run at the same time. + * mtk_venc_worker() should be carefully implemented to avoid bugs. + */ +static void mtk_venc_worker(struct work_struct *work) +{ + struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx, + encode_work); + struct vb2_buffer *src_buf, *dst_buf; + struct venc_frm_buf frm_buf; + struct mtk_vcodec_mem bs_buf; + struct venc_done_result enc_result; + int ret, i; + struct vb2_v4l2_buffer *vb2_v4l2; + + /* check dst_buf, dst_buf may be removed in device_run + * to stored encdoe header so we need check dst_buf and + * call job_finish here to prevent recursion + */ + dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); + if (!dst_buf) { + v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx); + return; + } + + src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); + memset(&frm_buf, 0, sizeof(frm_buf)); + for (i = 0; i < src_buf->num_planes ; i++) { + frm_buf.fb_addr[i].va = vb2_plane_vaddr(src_buf, i); + frm_buf.fb_addr[i].dma_addr = + vb2_dma_contig_plane_dma_addr(src_buf, i); + frm_buf.fb_addr[i].size = + (size_t)src_buf->planes[i].length; + } + bs_buf.va = vb2_plane_vaddr(dst_buf, 0); + bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); + bs_buf.size = (size_t)dst_buf->planes[0].length; + + mtk_v4l2_debug(2, + "Framebuf VA=%p PA=%llx Size=0x%lx;VA=%p PA=0x%llx Size=0x%lx;VA=%p PA=0x%llx Size=0x%lx", + frm_buf.fb_addr[0].va, + (u64)frm_buf.fb_addr[0].dma_addr, + frm_buf.fb_addr[0].size, + frm_buf.fb_addr[1].va, + (u64)frm_buf.fb_addr[1].dma_addr, + frm_buf.fb_addr[1].size, + frm_buf.fb_addr[2].va, + (u64)frm_buf.fb_addr[2].dma_addr, + frm_buf.fb_addr[2].size); + + ret = venc_if_encode(ctx, VENC_START_OPT_ENCODE_FRAME, + &frm_buf, &bs_buf, &enc_result); + + vb2_v4l2 = container_of(dst_buf, struct vb2_v4l2_buffer, vb2_buf); + if (enc_result.is_key_frm) + vb2_v4l2->flags |= V4L2_BUF_FLAG_KEYFRAME; + + if (ret) { + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf), + VB2_BUF_STATE_ERROR); + dst_buf->planes[0].bytesused = 0; + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), + VB2_BUF_STATE_ERROR); + mtk_v4l2_err("venc_if_encode failed=%d", ret); + } else { + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf), + VB2_BUF_STATE_DONE); + dst_buf->planes[0].bytesused = enc_result.bs_size; + v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), + VB2_BUF_STATE_DONE); + mtk_v4l2_debug(2, "venc_if_encode bs size=%d", + enc_result.bs_size); + } + + v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx); + + mtk_v4l2_debug(1, "<=== src_buf[%d] dst_buf[%d] venc_if_encode ret=%d Size=%u===>", + src_buf->index, dst_buf->index, ret, + enc_result.bs_size); +} + +static void m2mops_venc_device_run(void *priv) +{ + struct mtk_vcodec_ctx *ctx = priv; + + if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) && + (ctx->state != MTK_STATE_HEADER)) { + /* encode h264 sps/pps header */ + mtk_venc_encode_header(ctx); + queue_work(ctx->dev->encode_workqueue, &ctx->encode_work); + return; + } + + mtk_venc_param_change(ctx); + queue_work(ctx->dev->encode_workqueue, &ctx->encode_work); +} + +static int m2mops_venc_job_ready(void *m2m_priv) +{ + struct mtk_vcodec_ctx *ctx = m2m_priv; + + if (ctx->state == MTK_STATE_ABORT || ctx->state == MTK_STATE_FREE) { + mtk_v4l2_debug(3, "[%d]Not ready: state=0x%x.", + ctx->idx, ctx->state); + return 0; + } + + return 1; +} + +static void m2mops_venc_job_abort(void *priv) +{ + struct mtk_vcodec_ctx *ctx = priv; + + ctx->state = MTK_STATE_ABORT; +} + +static void m2mops_venc_lock(void *m2m_priv) +{ + struct mtk_vcodec_ctx *ctx = m2m_priv; + + mutex_lock(&ctx->dev->dev_mutex); +} + +static void m2mops_venc_unlock(void *m2m_priv) +{ + struct mtk_vcodec_ctx *ctx = m2m_priv; + + mutex_unlock(&ctx->dev->dev_mutex); +} + +const struct v4l2_m2m_ops mtk_venc_m2m_ops = { + .device_run = m2mops_venc_device_run, + .job_ready = m2mops_venc_job_ready, + .job_abort = m2mops_venc_job_abort, + .lock = m2mops_venc_lock, + .unlock = m2mops_venc_unlock, +}; + +void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx) +{ + struct mtk_q_data *q_data; + + ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex; + ctx->fh.m2m_ctx = ctx->m2m_ctx; + ctx->fh.ctrl_handler = &ctx->ctrl_hdl; + INIT_WORK(&ctx->encode_work, mtk_venc_worker); + + ctx->colorspace = V4L2_COLORSPACE_REC709; + ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + ctx->quantization = V4L2_QUANTIZATION_DEFAULT; + ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT; + + q_data = &ctx->q_data[MTK_Q_DATA_SRC]; + memset(q_data, 0, sizeof(struct mtk_q_data)); + q_data->visible_width = DFT_CFG_WIDTH; + q_data->visible_height = DFT_CFG_HEIGHT; + q_data->coded_width = DFT_CFG_WIDTH; + q_data->coded_height = DFT_CFG_HEIGHT; + q_data->field = V4L2_FIELD_NONE; + + q_data->fmt = &mtk_video_formats[OUT_FMT_IDX]; + + v4l_bound_align_image(&q_data->coded_width, + MTK_VENC_MIN_W, + MTK_VENC_MAX_W, 4, + &q_data->coded_height, + MTK_VENC_MIN_H, + MTK_VENC_MAX_H, 5, 6); + + if (q_data->coded_width < DFT_CFG_WIDTH && + (q_data->coded_width + 16) <= MTK_VENC_MAX_W) + q_data->coded_width += 16; + if (q_data->coded_height < DFT_CFG_HEIGHT && + (q_data->coded_height + 32) <= MTK_VENC_MAX_H) + q_data->coded_height += 32; + + q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height; + q_data->bytesperline[0] = q_data->coded_width; + q_data->sizeimage[1] = q_data->sizeimage[0] / 2; + q_data->bytesperline[1] = q_data->coded_width; + + q_data = &ctx->q_data[MTK_Q_DATA_DST]; + memset(q_data, 0, sizeof(struct mtk_q_data)); + q_data->coded_width = DFT_CFG_WIDTH; + q_data->coded_height = DFT_CFG_HEIGHT; + q_data->fmt = &mtk_video_formats[CAP_FMT_IDX]; + q_data->field = V4L2_FIELD_NONE; + ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] = + DFT_CFG_WIDTH * DFT_CFG_HEIGHT; + ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] = 0; + +} + +int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx) +{ + const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops; + struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl; + + v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT); + + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE, + 1, 4000000, 1, 4000000); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_B_FRAMES, + 0, 2, 1, 0); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, + 0, 1, 1, 1); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP, + 0, 51, 1, 51); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_I_PERIOD, + 0, 65535, 1, 0); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE, + 0, 65535, 1, 0); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE, + 0, 1, 1, 0); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, + 0, 0, 0, 0); + v4l2_ctrl_new_std_menu(handler, ops, + V4L2_CID_MPEG_VIDEO_HEADER_MODE, + V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME, + 0, V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE); + v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH, + 0, V4L2_MPEG_VIDEO_H264_PROFILE_MAIN); + v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL, + V4L2_MPEG_VIDEO_H264_LEVEL_4_2, + 0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0); + if (handler->error) { + mtk_v4l2_err("Init control handler fail %d", + handler->error); + return handler->error; + } + + v4l2_ctrl_handler_setup(&ctx->ctrl_hdl); + + return 0; +} + +int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq, + struct vb2_queue *dst_vq) +{ + struct mtk_vcodec_ctx *ctx = priv; + int ret; + + /* Note: VB2_USERPTR works with dma-contig because mt8173 + * support iommu + * https://patchwork.kernel.org/patch/8335461/ + * https://patchwork.kernel.org/patch/7596181/ + */ + src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; + src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR; + src_vq->drv_priv = ctx; + src_vq->buf_struct_size = sizeof(struct mtk_video_enc_buf); + src_vq->ops = &mtk_venc_vb2_ops; + src_vq->mem_ops = &vb2_dma_contig_memops; + src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &ctx->dev->dev_mutex; + + ret = vb2_queue_init(src_vq); + if (ret) + return ret; + + dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; + dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR; + dst_vq->drv_priv = ctx; + dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); + dst_vq->ops = &mtk_venc_vb2_ops; + dst_vq->mem_ops = &vb2_dma_contig_memops; + dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &ctx->dev->dev_mutex; + + return vb2_queue_init(dst_vq); +} + +int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx) +{ + struct mtk_vcodec_dev *dev = ctx->dev; + + mutex_unlock(&dev->enc_mutex); + return 0; +} + +int mtk_venc_lock(struct mtk_vcodec_ctx *ctx) +{ + struct mtk_vcodec_dev *dev = ctx->dev; + + mutex_lock(&dev->enc_mutex); + return 0; +} + +void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx) +{ + venc_if_deinit(ctx); +} diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h new file mode 100644 index 0000000..d7a154a --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h @@ -0,0 +1,58 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: PC Chen +* Tiffany 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 _MTK_VCODEC_ENC_H_ +#define _MTK_VCODEC_ENC_H_ + +#include +#include + +#define MTK_VENC_IRQ_STATUS_SPS 0x1 +#define MTK_VENC_IRQ_STATUS_PPS 0x2 +#define MTK_VENC_IRQ_STATUS_FRM 0x4 +#define MTK_VENC_IRQ_STATUS_DRAM 0x8 +#define MTK_VENC_IRQ_STATUS_PAUSE 0x10 +#define MTK_VENC_IRQ_STATUS_SWITCH 0x20 + +#define MTK_VENC_IRQ_STATUS_OFFSET 0x05C +#define MTK_VENC_IRQ_ACK_OFFSET 0x060 + +/** + * struct mtk_video_enc_buf - Private data related to each VB2 buffer. + * @vb: Pointer to related VB2 buffer. + * @list: list that buffer link to + * @param_change: Types of encode parameter change before encoding this + * buffer + * @enc_params: Encode parameters changed before encode this buffer + */ +struct mtk_video_enc_buf { + struct vb2_v4l2_buffer vb; + struct list_head list; + u32 param_change; + struct mtk_enc_params enc_params; +}; + +extern const struct v4l2_ioctl_ops mtk_venc_ioctl_ops; +extern const struct v4l2_m2m_ops mtk_venc_m2m_ops; + +int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx); +int mtk_venc_lock(struct mtk_vcodec_ctx *ctx); +int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq, + struct vb2_queue *dst_vq); +void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx); +int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx); +void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx); + +#endif /* _MTK_VCODEC_ENC_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c new file mode 100644 index 0000000..29ea0f9 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -0,0 +1,456 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: PC Chen +* Tiffany 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 +#include +#include +#include +#include + +#include "mtk_vcodec_drv.h" +#include "mtk_vcodec_enc.h" +#include "mtk_vcodec_enc_pm.h" +#include "mtk_vcodec_intr.h" +#include "mtk_vcodec_util.h" +#include "mtk_vpu.h" + + +module_param(mtk_v4l2_dbg_level, int, S_IRUGO | S_IWUSR); +module_param(mtk_vcodec_dbg, bool, S_IRUGO | S_IWUSR); + + +/* Wake up context wait_queue */ +static void wake_up_ctx(struct mtk_vcodec_ctx *ctx, unsigned int reason) +{ + ctx->int_cond = 1; + ctx->int_type = reason; + wake_up_interruptible(&ctx->queue); +} + +static void clean_irq_status(unsigned int irq_status, void __iomem *addr) +{ + if (irq_status & MTK_VENC_IRQ_STATUS_PAUSE) + writel(MTK_VENC_IRQ_STATUS_PAUSE, addr); + + if (irq_status & MTK_VENC_IRQ_STATUS_SWITCH) + writel(MTK_VENC_IRQ_STATUS_SWITCH, addr); + + if (irq_status & MTK_VENC_IRQ_STATUS_DRAM) + writel(MTK_VENC_IRQ_STATUS_DRAM, addr); + + if (irq_status & MTK_VENC_IRQ_STATUS_SPS) + writel(MTK_VENC_IRQ_STATUS_SPS, addr); + + if (irq_status & MTK_VENC_IRQ_STATUS_PPS) + writel(MTK_VENC_IRQ_STATUS_PPS, addr); + + if (irq_status & MTK_VENC_IRQ_STATUS_FRM) + writel(MTK_VENC_IRQ_STATUS_FRM, addr); + +} +static irqreturn_t mtk_vcodec_enc_irq_handler(int irq, void *priv) +{ + struct mtk_vcodec_dev *dev = priv; + struct mtk_vcodec_ctx *ctx; + unsigned long flags; + void __iomem *addr; + + spin_lock_irqsave(&dev->irqlock, flags); + ctx = dev->curr_ctx; + spin_unlock_irqrestore(&dev->irqlock, flags); + + mtk_v4l2_debug(1, "idx=%d", ctx->idx); + addr = dev->reg_base[VENC_SYS] + MTK_VENC_IRQ_ACK_OFFSET; + + ctx->irq_status = readl(dev->reg_base[VENC_SYS] + + (MTK_VENC_IRQ_STATUS_OFFSET)); + + clean_irq_status(ctx->irq_status, addr); + + wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED); + return IRQ_HANDLED; +} + +static irqreturn_t mtk_vcodec_enc_lt_irq_handler(int irq, void *priv) +{ + struct mtk_vcodec_dev *dev = priv; + struct mtk_vcodec_ctx *ctx; + unsigned long flags; + void __iomem *addr; + + spin_lock_irqsave(&dev->irqlock, flags); + ctx = dev->curr_ctx; + spin_unlock_irqrestore(&dev->irqlock, flags); + + mtk_v4l2_debug(1, "idx=%d", ctx->idx); + ctx->irq_status = readl(dev->reg_base[VENC_LT_SYS] + + (MTK_VENC_IRQ_STATUS_OFFSET)); + + addr = dev->reg_base[VENC_LT_SYS] + MTK_VENC_IRQ_ACK_OFFSET; + + clean_irq_status(ctx->irq_status, addr); + + wake_up_ctx(ctx, MTK_INST_IRQ_RECEIVED); + return IRQ_HANDLED; + +} + +static void mtk_vcodec_enc_reset_handler(void *priv) +{ + struct mtk_vcodec_dev *dev = priv; + struct mtk_vcodec_ctx *ctx; + + mtk_v4l2_debug(0, "Watchdog timeout!!"); + + mutex_lock(&dev->dev_mutex); + list_for_each_entry(ctx, &dev->ctx_list, list) { + ctx->state = MTK_STATE_ABORT; + mtk_v4l2_debug(0, "[%d] Change to state MTK_STATE_ABORT", + ctx->idx); + } + mutex_unlock(&dev->dev_mutex); +} + +static int fops_vcodec_open(struct file *file) +{ + struct mtk_vcodec_dev *dev = video_drvdata(file); + struct mtk_vcodec_ctx *ctx = NULL; + int ret = 0; + + mutex_lock(&dev->dev_mutex); + + ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + if (!ctx) { + ret = -ENOMEM; + goto err_alloc; + } + + ctx->idx = dev->curr_max_idx; + v4l2_fh_init(&ctx->fh, video_devdata(file)); + file->private_data = &ctx->fh; + v4l2_fh_add(&ctx->fh); + INIT_LIST_HEAD(&ctx->list); + ctx->dev = dev; + init_waitqueue_head(&ctx->queue); + + ctx->type = MTK_INST_ENCODER; + ret = mtk_vcodec_enc_ctrls_setup(ctx); + if (ret) { + mtk_v4l2_err("Failed to setup controls() (%d)", + ret); + goto err_ctrls_setup; + } + ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev_enc, ctx, + &mtk_vcodec_enc_queue_init); + if (IS_ERR(ctx->m2m_ctx)) { + ret = PTR_ERR(ctx->m2m_ctx); + mtk_v4l2_err("Failed to v4l2_m2m_ctx_init() (%d)", + ret); + goto err_m2m_ctx_init; + } + mtk_vcodec_enc_set_default_params(ctx); + + if (v4l2_fh_is_singular(&ctx->fh)) { + /* + * vpu_load_firmware checks if it was loaded already and + * does nothing in that case + */ + ret = vpu_load_firmware(dev->vpu_plat_dev); + if (ret < 0) { + /* + * Return 0 if downloading firmware successfully, + * otherwise it is failed + */ + mtk_v4l2_err("vpu_load_firmware failed!"); + goto err_load_fw; + } + + dev->enc_capability = + vpu_get_venc_hw_capa(dev->vpu_plat_dev); + mtk_v4l2_debug(0, "encoder capability %x", dev->enc_capability); + } + + mtk_v4l2_debug(2, "Create instance [%d]@%p m2m_ctx=%p ", + ctx->idx, ctx, ctx->m2m_ctx); + dev->curr_max_idx = (dev->curr_max_idx + 1) & 0xffffffffffffffff; + dev->num_instances++; + list_add(&ctx->list, &dev->ctx_list); + + mutex_unlock(&dev->dev_mutex); + mtk_v4l2_debug(0, "%s encoder [%d]", dev_name(&dev->plat_dev->dev), + ctx->idx); + return ret; + + /* Deinit when failure occurred */ +err_load_fw: + v4l2_m2m_ctx_release(ctx->m2m_ctx); +err_m2m_ctx_init: + v4l2_ctrl_handler_free(&ctx->ctrl_hdl); +err_ctrls_setup: + v4l2_fh_del(&ctx->fh); + v4l2_fh_exit(&ctx->fh); + kfree(ctx); +err_alloc: + mutex_unlock(&dev->dev_mutex); + + return ret; +} + +static int fops_vcodec_release(struct file *file) +{ + struct mtk_vcodec_dev *dev = video_drvdata(file); + struct mtk_vcodec_ctx *ctx = fh_to_ctx(file->private_data); + + mtk_v4l2_debug(1, "[%d] encoder", ctx->idx); + mutex_lock(&dev->dev_mutex); + + mtk_vcodec_enc_release(ctx); + v4l2_fh_del(&ctx->fh); + v4l2_fh_exit(&ctx->fh); + v4l2_ctrl_handler_free(&ctx->ctrl_hdl); + v4l2_m2m_ctx_release(ctx->m2m_ctx); + + list_del_init(&ctx->list); + dev->num_instances--; + kfree(ctx); + mutex_unlock(&dev->dev_mutex); + return 0; +} + +static const struct v4l2_file_operations mtk_vcodec_fops = { + .owner = THIS_MODULE, + .open = fops_vcodec_open, + .release = fops_vcodec_release, + .poll = v4l2_m2m_fop_poll, + .unlocked_ioctl = video_ioctl2, + .mmap = v4l2_m2m_fop_mmap, +}; + +static int mtk_vcodec_probe(struct platform_device *pdev) +{ + struct mtk_vcodec_dev *dev; + struct video_device *vfd_enc; + struct resource *res; + int i, j, ret; + DEFINE_DMA_ATTRS(attrs); + + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + INIT_LIST_HEAD(&dev->ctx_list); + dev->plat_dev = pdev; + + dev->vpu_plat_dev = vpu_get_plat_device(dev->plat_dev); + if (dev->vpu_plat_dev == NULL) { + mtk_v4l2_err("[VPU] vpu device in not ready"); + return -EPROBE_DEFER; + } + + vpu_wdt_reg_handler(dev->vpu_plat_dev, mtk_vcodec_enc_reset_handler, + dev, VPU_RST_ENC); + + ret = mtk_vcodec_init_enc_pm(dev); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to get mt vcodec clock source!"); + return ret; + } + + for (i = VENC_SYS, j = 0; i < NUM_MAX_VCODEC_REG_BASE; i++, j++) { + res = platform_get_resource(pdev, IORESOURCE_MEM, j); + if (res == NULL) { + dev_err(&pdev->dev, "get memory resource failed."); + ret = -ENXIO; + goto err_res; + } + dev->reg_base[i] = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(dev->reg_base[i])) { + dev_err(&pdev->dev, + "devm_ioremap_resource %d failed.", i); + ret = PTR_ERR(dev->reg_base[i]); + goto err_res; + } + mtk_v4l2_debug(2, "reg[%d] base=0x%p", i, dev->reg_base[i]); + } + + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (res == NULL) { + dev_err(&pdev->dev, "failed to get irq resource"); + ret = -ENOENT; + goto err_res; + } + + dev->enc_irq = platform_get_irq(pdev, 0); + ret = devm_request_irq(&pdev->dev, dev->enc_irq, + mtk_vcodec_enc_irq_handler, + 0, pdev->name, dev); + if (ret) { + dev_err(&pdev->dev, "Failed to install dev->enc_irq %d (%d)", + dev->enc_irq, + ret); + ret = -EINVAL; + goto err_res; + } + + dev->enc_lt_irq = platform_get_irq(pdev, 1); + ret = devm_request_irq(&pdev->dev, + dev->enc_lt_irq, mtk_vcodec_enc_lt_irq_handler, + 0, pdev->name, dev); + if (ret) { + dev_err(&pdev->dev, + "Failed to install dev->enc_lt_irq %d (%d)", + dev->enc_lt_irq, ret); + ret = -EINVAL; + goto err_res; + } + + disable_irq(dev->enc_irq); + disable_irq(dev->enc_lt_irq); /* VENC_LT */ + mutex_init(&dev->enc_mutex); + mutex_init(&dev->dev_mutex); + spin_lock_init(&dev->irqlock); + + snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s", + "[MTK_V4L2_VENC]"); + + ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); + if (ret) { + mtk_v4l2_err("v4l2_device_register err=%d", ret); + goto err_res; + } + + init_waitqueue_head(&dev->queue); + + /* allocate video device for encoder and register it */ + vfd_enc = video_device_alloc(); + if (!vfd_enc) { + mtk_v4l2_err("Failed to allocate video device"); + ret = -ENOMEM; + goto err_enc_alloc; + } + vfd_enc->fops = &mtk_vcodec_fops; + vfd_enc->ioctl_ops = &mtk_venc_ioctl_ops; + vfd_enc->release = video_device_release; + vfd_enc->lock = &dev->dev_mutex; + vfd_enc->v4l2_dev = &dev->v4l2_dev; + vfd_enc->vfl_dir = VFL_DIR_M2M; + vfd_enc->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | + V4L2_CAP_STREAMING; + + snprintf(vfd_enc->name, sizeof(vfd_enc->name), "%s", + MTK_VCODEC_ENC_NAME); + video_set_drvdata(vfd_enc, dev); + dev->vfd_enc = vfd_enc; + platform_set_drvdata(pdev, dev); + + dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); + if (IS_ERR(dev->alloc_ctx)) { + dev->alloc_ctx = NULL; + mtk_v4l2_err("Failed to alloc vb2 dma context 0"); + ret = PTR_ERR(dev->alloc_ctx); + goto err_vb2_ctx_init; + } + + dev->m2m_dev_enc = v4l2_m2m_init(&mtk_venc_m2m_ops); + if (IS_ERR(dev->m2m_dev_enc)) { + mtk_v4l2_err("Failed to init mem2mem enc device"); + ret = PTR_ERR(dev->m2m_dev_enc); + goto err_enc_mem_init; + } + + dev->encode_workqueue = + alloc_ordered_workqueue(MTK_VCODEC_ENC_NAME, + WQ_MEM_RECLAIM | + WQ_FREEZABLE); + if (!dev->encode_workqueue) { + mtk_v4l2_err("Failed to create encode workqueue"); + ret = -EINVAL; + goto err_event_workq; + } + + ret = video_register_device(vfd_enc, VFL_TYPE_GRABBER, 1); + if (ret) { + mtk_v4l2_err("Failed to register video device"); + goto err_enc_reg; + } + + /* Avoid the iommu eat big hunks */ + dma_set_attr(DMA_ATTR_ALLOC_SINGLE_PAGES, &attrs); + + mtk_v4l2_debug(0, "encoder registered as /dev/video%d", + vfd_enc->num); + + return 0; + +err_enc_reg: + destroy_workqueue(dev->encode_workqueue); +err_event_workq: + v4l2_m2m_release(dev->m2m_dev_enc); +err_enc_mem_init: + vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); +err_vb2_ctx_init: + video_unregister_device(vfd_enc); +err_enc_alloc: + v4l2_device_unregister(&dev->v4l2_dev); +err_res: + mtk_vcodec_release_enc_pm(dev); + return ret; +} + +static const struct of_device_id mtk_vcodec_enc_match[] = { + {.compatible = "mediatek,mt8173-vcodec-enc",}, + {}, +}; +MODULE_DEVICE_TABLE(of, mtk_vcodec_enc_match); + +static int mtk_vcodec_enc_remove(struct platform_device *pdev) +{ + struct mtk_vcodec_dev *dev = platform_get_drvdata(pdev); + + mtk_v4l2_debug_enter(); + flush_workqueue(dev->encode_workqueue); + destroy_workqueue(dev->encode_workqueue); + if (dev->m2m_dev_enc) + v4l2_m2m_release(dev->m2m_dev_enc); + if (dev->alloc_ctx) + vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); + + if (dev->vfd_enc) + video_unregister_device(dev->vfd_enc); + + v4l2_device_unregister(&dev->v4l2_dev); + mtk_vcodec_release_enc_pm(dev); + return 0; +} + +static struct platform_driver mtk_vcodec_enc_driver = { + .probe = mtk_vcodec_probe, + .remove = mtk_vcodec_enc_remove, + .driver = { + .name = MTK_VCODEC_ENC_NAME, + .owner = THIS_MODULE, + .of_match_table = mtk_vcodec_enc_match, + }, +}; + +module_platform_driver(mtk_vcodec_enc_driver); + + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Mediatek video codec V4L2 encoder driver"); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c new file mode 100644 index 0000000..2379e97 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c @@ -0,0 +1,137 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: Tiffany 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 + +#include "mtk_vcodec_enc_pm.h" +#include "mtk_vcodec_util.h" +#include "mtk_vpu.h" + + +int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) +{ + struct device_node *node; + struct platform_device *pdev; + struct device *dev; + struct mtk_vcodec_pm *pm; + int ret = 0; + + pdev = mtkdev->plat_dev; + pm = &mtkdev->pm; + memset(pm, 0, sizeof(struct mtk_vcodec_pm)); + pm->mtkdev = mtkdev; + pm->dev = &pdev->dev; + dev = &pdev->dev; + + node = of_parse_phandle(dev->of_node, "mediatek,larb", 0); + if (!node) { + mtk_v4l2_err("no mediatek,larb found"); + return -1; + } + pdev = of_find_device_by_node(node); + if (!pdev) { + mtk_v4l2_err("no mediatek,larb device found"); + return -1; + } + pm->larbvenc = &pdev->dev; + + node = of_parse_phandle(dev->of_node, "mediatek,larb", 1); + if (!node) { + mtk_v4l2_err("no mediatek,larb found"); + return -1; + } + + pdev = of_find_device_by_node(node); + if (!pdev) { + mtk_v4l2_err("no mediatek,larb device found"); + return -1; + } + + pm->larbvenclt = &pdev->dev; + pdev = mtkdev->plat_dev; + pm->dev = &pdev->dev; + + pm->vencpll_d2 = devm_clk_get(&pdev->dev, "venc_sel_src"); + if (pm->vencpll_d2 == NULL) { + mtk_v4l2_err("devm_clk_get vencpll_d2 fail"); + ret = -1; + } + + pm->venc_sel = devm_clk_get(&pdev->dev, "venc_sel"); + if (pm->venc_sel == NULL) { + mtk_v4l2_err("devm_clk_get venc_sel fail"); + ret = -1; + } + + pm->univpll1_d2 = devm_clk_get(&pdev->dev, "venc_lt_sel_src"); + if (pm->univpll1_d2 == NULL) { + mtk_v4l2_err("devm_clk_get univpll1_d2 fail"); + ret = -1; + } + + pm->venc_lt_sel = devm_clk_get(&pdev->dev, "venc_lt_sel"); + if (pm->venc_lt_sel == NULL) { + mtk_v4l2_err("devm_clk_get venc_lt_sel fail"); + ret = -1; + } + + return ret; +} + +void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *mtkdev) +{ +} + + +void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm) +{ + int ret; + + ret = clk_prepare_enable(pm->venc_sel); + if (ret) + mtk_v4l2_err("clk_prepare_enable fail %d", ret); + + ret = clk_set_parent(pm->venc_sel, pm->vencpll_d2); + if (ret) + mtk_v4l2_err("clk_set_parent fail %d", ret); + + ret = clk_prepare_enable(pm->venc_lt_sel); + if (ret) + mtk_v4l2_err("clk_prepare_enable fail %d", ret); + + ret = clk_set_parent(pm->venc_lt_sel, pm->univpll1_d2); + if (ret) + mtk_v4l2_err("clk_set_parent fail %d", ret); + + ret = mtk_smi_larb_get(pm->larbvenc); + if (ret) + mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret); + + ret = mtk_smi_larb_get(pm->larbvenclt); + if (ret) + mtk_v4l2_err("mtk_smi_larb_get larb4 fail %d", ret); + +} + +void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm) +{ + mtk_smi_larb_put(pm->larbvenc); + mtk_smi_larb_put(pm->larbvenclt); + clk_disable_unprepare(pm->venc_lt_sel); + clk_disable_unprepare(pm->venc_sel); +} diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h new file mode 100644 index 0000000..f321671 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h @@ -0,0 +1,26 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: Tiffany 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 _MTK_VCODEC_ENC_PM_H_ +#define _MTK_VCODEC_ENC_PM_H_ + +#include "mtk_vcodec_drv.h" + +int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *dev); +void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *dev); + +void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm); +void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm); + +#endif /* _MTK_VCODEC_ENC_PM_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c new file mode 100644 index 0000000..a69fff5 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.c @@ -0,0 +1,56 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: Tiffany 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 "mtk_vcodec_drv.h" +#include "mtk_vcodec_intr.h" +#include "mtk_vcodec_util.h" + + +int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int command, + unsigned int timeout_ms) +{ + wait_queue_head_t *waitqueue; + long timeout_jiff, ret; + int status = 0; + + waitqueue = (wait_queue_head_t *)&ctx->queue; + timeout_jiff = msecs_to_jiffies(timeout_ms); + + ret = wait_event_interruptible_timeout(*waitqueue, + (ctx->int_cond && + (ctx->int_type == command)), + timeout_jiff); + + if (!ret) { + status = -1; /* timeout */ + mtk_v4l2_err("[%d] cmd=%d, ctx->type=%d, wait_event_interruptible_timeout time=%ums out %d %d!", + ctx->idx, ctx->type, command, timeout_ms, + ctx->int_cond, ctx->int_type); + } else if (-ERESTARTSYS == ret) { + mtk_v4l2_err("[%d] cmd=%d, ctx->type=%d, wait_event_interruptible_timeout interrupted by a signal %d %d", + ctx->idx, ctx->type, command, ctx->int_cond, + ctx->int_type); + status = -1; + } + + ctx->int_cond = 0; + ctx->int_type = 0; + + return status; +} +EXPORT_SYMBOL(mtk_vcodec_wait_for_done_ctx); + diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h new file mode 100644 index 0000000..33e890f --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h @@ -0,0 +1,27 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: Tiffany 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 _MTK_VCODEC_INTR_H_ +#define _MTK_VCODEC_INTR_H_ + +#define MTK_INST_IRQ_RECEIVED 0x1 +#define MTK_INST_WORK_THREAD_ABORT_DONE 0x2 + +struct mtk_vcodec_ctx; + +/* timeout is ms */ +int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *data, int command, + unsigned int timeout_ms); + +#endif /* _MTK_VCODEC_INTR_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c new file mode 100644 index 0000000..2a9711c --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c @@ -0,0 +1,96 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: PC Chen +* Tiffany 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 "mtk_vcodec_drv.h" +#include "mtk_vcodec_util.h" +#include "mtk_vpu.h" + +/* For encoder, this will enable logs in h264_enc/ and vp8_enc/*/ +bool mtk_vcodec_dbg; +EXPORT_SYMBOL(mtk_vcodec_dbg); + +/* The log level of v4l2 encoder or decoder driver. + * That is, files under mtk-vcodec/. + */ +int mtk_v4l2_dbg_level; +EXPORT_SYMBOL(mtk_v4l2_dbg_level); + +void __iomem *mtk_vcodec_get_reg_addr(struct mtk_vcodec_ctx *data, + unsigned int reg_idx) +{ + struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data; + + if (!data || reg_idx >= NUM_MAX_VCODEC_REG_BASE) { + mtk_v4l2_err("Invalid arguments, reg_idx=%d", reg_idx); + return NULL; + } + return ctx->dev->reg_base[reg_idx]; +} +EXPORT_SYMBOL(mtk_vcodec_get_reg_addr); + +int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data, + struct mtk_vcodec_mem *mem) +{ + unsigned long size = mem->size; + struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data; + struct device *dev = &ctx->dev->plat_dev->dev; + + mem->va = dma_alloc_coherent(dev, size, &mem->dma_addr, GFP_KERNEL); + + if (!mem->va) { + mtk_v4l2_err("%s dma_alloc size=%ld failed!", dev_name(dev), + size); + return -ENOMEM; + } + + memset(mem->va, 0, size); + + mtk_v4l2_debug(3, "[%d] - va = %p", ctx->idx, mem->va); + mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->idx, + (unsigned long)mem->dma_addr); + mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->idx, size); + + return 0; +} +EXPORT_SYMBOL(mtk_vcodec_mem_alloc); + +void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data, + struct mtk_vcodec_mem *mem) +{ + unsigned long size = mem->size; + struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data; + struct device *dev = &ctx->dev->plat_dev->dev; + + if (!mem->va) { + mtk_v4l2_err("%s dma_free size=%ld failed!", dev_name(dev), + size); + return; + } + + dma_free_coherent(dev, size, mem->va, mem->dma_addr); + mem->va = NULL; + mem->dma_addr = 0; + mem->size = 0; + + mtk_v4l2_debug(3, "[%d] - va = %p", ctx->idx, mem->va); + mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->idx, + (unsigned long)mem->dma_addr); + mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->idx, size); +} +EXPORT_SYMBOL(mtk_vcodec_mem_free); + + diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h new file mode 100644 index 0000000..a3a073f --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h @@ -0,0 +1,87 @@ +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: PC Chen +* Tiffany 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 _MTK_VCODEC_UTIL_H_ +#define _MTK_VCODEC_UTIL_H_ + +#include +#include + +struct mtk_vcodec_mem { + size_t size; + void *va; + dma_addr_t dma_addr; +}; + +struct mtk_vcodec_ctx; + +extern int mtk_v4l2_dbg_level; +extern bool mtk_vcodec_dbg; + +#define DEBUG 1 + +#if defined(DEBUG) + +#define mtk_v4l2_debug(level, fmt, args...) \ + do { \ + if (mtk_v4l2_dbg_level >= level) \ + pr_info("[MTK_V4L2] level=%d %s(),%d: " fmt "\n",\ + level, __func__, __LINE__, ##args); \ + } while (0) + +#define mtk_v4l2_err(fmt, args...) \ + pr_err("[MTK_V4L2][ERROR] %s:%d: " fmt "\n", __func__, __LINE__, \ + ##args) + + +#define mtk_v4l2_debug_enter() mtk_v4l2_debug(3, "+") +#define mtk_v4l2_debug_leave() mtk_v4l2_debug(3, "-") + +#define mtk_vcodec_debug(h, fmt, args...) \ + do { \ + if (mtk_vcodec_dbg) \ + pr_info("[MTK_VCODEC][%d]: %s() " fmt "\n", \ + ((struct mtk_vcodec_ctx *)h->ctx)->idx, \ + __func__, ##args); \ + } while (0) + +#define mtk_vcodec_err(h, fmt, args...) \ + pr_err("[MTK_VCODEC][ERROR][%d]: %s() " fmt "\n", \ + ((struct mtk_vcodec_ctx *)h->ctx)->idx, __func__, ##args) + +#define mtk_vcodec_debug_enter(h) mtk_vcodec_debug(h, "+") +#define mtk_vcodec_debug_leave(h) mtk_vcodec_debug(h, "-") + +#else + +#define mtk_v4l2_debug(level, fmt, args...) +#define mtk_v4l2_err(fmt, args...) +#define mtk_v4l2_debug_enter() +#define mtk_v4l2_debug_leave() + +#define mtk_vcodec_debug(h, fmt, args...) +#define mtk_vcodec_err(h, fmt, args...) +#define mtk_vcodec_debug_enter(h) +#define mtk_vcodec_debug_leave(h) + +#endif + +void __iomem *mtk_vcodec_get_reg_addr(struct mtk_vcodec_ctx *data, + unsigned int reg_idx); +int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data, + struct mtk_vcodec_mem *mem); +void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data, + struct mtk_vcodec_mem *mem); +#endif /* _MTK_VCODEC_UTIL_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_base.h b/drivers/media/platform/mtk-vcodec/venc_drv_base.h new file mode 100644 index 0000000..441589a --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/venc_drv_base.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Daniel Hsiao + * Jungchang Tsao + * Tiffany 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_DRV_BASE_ +#define _VENC_DRV_BASE_ + +#include "mtk_vcodec_drv.h" + +#include "venc_drv_if.h" + +struct venc_common_if { + /** + * (*init)() - initialize driver + * @ctx: [in] mtk v4l2 context + * @handle: [out] driver handle + */ + int (*init)(struct mtk_vcodec_ctx *ctx, unsigned long *handle); + + /** + * (*encode)() - trigger encode + * @handle: [in] driver handle + * @opt: [in] encode option + * @frm_buf: [in] frame buffer to store input frame + * @bs_buf: [in] bitstream buffer to store output bitstream + * @result: [out] encode result + */ + int (*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); + + /** + * (*set_param)() - set driver's parameter + * @handle: [in] driver handle + * @type: [in] parameter type + * @in: [in] buffer to store the parameter + */ + int (*set_param)(unsigned long handle, enum venc_set_param_type type, + struct venc_enc_param *in); + + /** + * (*deinit)() - deinitialize driver. + * @handle: [in] driver handle + */ + int (*deinit)(unsigned long handle); +}; + +#endif diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c new file mode 100644 index 0000000..e53b437 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Daniel Hsiao + * Jungchang Tsao + * Tiffany 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 "venc_drv_if.h" +#include "mtk_vcodec_enc.h" +#include "mtk_vcodec_enc_pm.h" +#include "mtk_vpu.h" + +#include "venc_drv_base.h" + +int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) +{ + int ret = 0; + + switch (fourcc) { + case V4L2_PIX_FMT_VP8: + case V4L2_PIX_FMT_H264: + default: + return -EINVAL; + } + + mtk_venc_lock(ctx); + mtk_vcodec_enc_clock_on(&ctx->dev->pm); + ret = ctx->enc_if->init(ctx, (unsigned long *)&ctx->drv_handle); + mtk_vcodec_enc_clock_off(&ctx->dev->pm); + mtk_venc_unlock(ctx); + + return ret; +} + +int venc_if_set_param(struct mtk_vcodec_ctx *ctx, + enum venc_set_param_type type, struct venc_enc_param *in) +{ + int ret = 0; + + mtk_venc_lock(ctx); + mtk_vcodec_enc_clock_on(&ctx->dev->pm); + ret = ctx->enc_if->set_param(ctx->drv_handle, type, in); + mtk_vcodec_enc_clock_off(&ctx->dev->pm); + mtk_venc_unlock(ctx); + + return ret; +} + +int venc_if_encode(struct mtk_vcodec_ctx *ctx, + 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; + unsigned long flags; + + mtk_venc_lock(ctx); + + spin_lock_irqsave(&ctx->dev->irqlock, flags); + ctx->dev->curr_ctx = ctx; + spin_unlock_irqrestore(&ctx->dev->irqlock, flags); + + mtk_vcodec_enc_clock_on(&ctx->dev->pm); + ret = ctx->enc_if->encode(ctx->drv_handle, opt, frm_buf, + bs_buf, result); + mtk_vcodec_enc_clock_off(&ctx->dev->pm); + + spin_lock_irqsave(&ctx->dev->irqlock, flags); + ctx->dev->curr_ctx = NULL; + spin_unlock_irqrestore(&ctx->dev->irqlock, flags); + + mtk_venc_unlock(ctx); + return ret; +} + +int venc_if_deinit(struct mtk_vcodec_ctx *ctx) +{ + int ret = 0; + + if (ctx->drv_handle == 0) + return 0; + + mtk_venc_lock(ctx); + mtk_vcodec_enc_clock_on(&ctx->dev->pm); + ret = ctx->enc_if->deinit(ctx->drv_handle); + mtk_vcodec_enc_clock_off(&ctx->dev->pm); + mtk_venc_unlock(ctx); + + ctx->drv_handle = 0; + + return ret; +} + diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.h b/drivers/media/platform/mtk-vcodec/venc_drv_if.h new file mode 100644 index 0000000..652e156 --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.h @@ -0,0 +1,165 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Daniel Hsiao + * Jungchang Tsao + * Tiffany 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_DRV_IF_H_ +#define _VENC_DRV_IF_H_ + +#include "mtk_vcodec_drv.h" +#include "mtk_vcodec_util.h" + +/* + * enum venc_yuv_fmt - The type of input yuv format + * (VPU related: If you change the order, you must also update the VPU codes.) + * @VENC_YUV_FORMAT_I420: I420 YUV format + * @VENC_YUV_FORMAT_YV12: YV12 YUV format + * @VENC_YUV_FORMAT_NV12: NV12 YUV format + * @VENC_YUV_FORMAT_NV21: NV21 YUV format + */ +enum venc_yuv_fmt { + VENC_YUV_FORMAT_I420 = 3, + VENC_YUV_FORMAT_YV12 = 5, + VENC_YUV_FORMAT_NV12 = 6, + VENC_YUV_FORMAT_NV21 = 7, +}; + +/* + * enum venc_start_opt - encode frame option used in venc_if_encode() + * @VENC_START_OPT_ENCODE_SEQUENCE_HEADER: encode SPS/PPS for H264 + * @VENC_START_OPT_ENCODE_FRAME: encode normal frame + */ +enum venc_start_opt { + VENC_START_OPT_ENCODE_SEQUENCE_HEADER, + VENC_START_OPT_ENCODE_FRAME, +}; + +/* + * enum venc_set_param_type - The type of set parameter used in + * venc_if_set_param() + * (VPU related: If you change the order, you must also update the VPU codes.) + * @VENC_SET_PARAM_ENC: set encoder parameters + * @VENC_SET_PARAM_FORCE_INTRA: force an intra frame + * @VENC_SET_PARAM_ADJUST_BITRATE: adjust bitrate (in bps) + * @VENC_SET_PARAM_ADJUST_FRAMERATE: set frame rate + * @VENC_SET_PARAM_GOP_SIZE: set IDR interval + * @VENC_SET_PARAM_INTRA_PERIOD: set I frame interval + * @VENC_SET_PARAM_SKIP_FRAME: set H264 skip one frame + * @VENC_SET_PARAM_PREPEND_HEADER: set H264 prepend SPS/PPS before IDR + * @VENC_SET_PARAM_TS_MODE: set VP8 temporal scalability mode + */ +enum venc_set_param_type { + VENC_SET_PARAM_ENC, + VENC_SET_PARAM_FORCE_INTRA, + VENC_SET_PARAM_ADJUST_BITRATE, + VENC_SET_PARAM_ADJUST_FRAMERATE, + VENC_SET_PARAM_GOP_SIZE, + VENC_SET_PARAM_INTRA_PERIOD, + VENC_SET_PARAM_SKIP_FRAME, + VENC_SET_PARAM_PREPEND_HEADER, + VENC_SET_PARAM_TS_MODE, +}; + +/* + * struct venc_enc_prm - encoder settings for VENC_SET_PARAM_ENC used in + * venc_if_set_param() + * @input_fourcc: input yuv format + * @h264_profile: V4L2 defined H.264 profile + * @h264_level: V4L2 defined H.264 level + * @width: image width + * @height: image height + * @buf_width: buffer width + * @buf_height: buffer height + * @frm_rate: frame rate in fps + * @intra_period: intra frame period + * @bitrate: target bitrate in bps + * @gop_size: group of picture size + * @sizeimage: image size for each plane + */ +struct venc_enc_param { + enum venc_yuv_fmt input_yuv_fmt; + unsigned int h264_profile; + unsigned int h264_level; + unsigned int width; + unsigned int height; + unsigned int buf_width; + unsigned int buf_height; + unsigned int frm_rate; + unsigned int intra_period; + unsigned int bitrate; + unsigned int gop_size; + unsigned int sizeimage[MTK_VCODEC_MAX_PLANES]; +}; + +/* + * struct venc_frm_buf - frame buffer information used in venc_if_encode() + * @fb_addr: plane frame buffer addresses + */ +struct venc_frm_buf { + struct mtk_vcodec_mem fb_addr[MTK_VCODEC_MAX_PLANES]; +}; + +/* + * struct venc_done_result - This is return information used in venc_if_encode() + * @bs_size: output bitstream size + * @is_key_frm: output is key frame or not + */ +struct venc_done_result { + unsigned int bs_size; + bool is_key_frm; +}; + +/* + * venc_if_init - Create the driver handle + * @ctx: device context + * @fourcc: encoder input format + * Return: 0 if creating handle successfully, otherwise it is failed. + */ +int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc); + +/* + * venc_if_deinit - Release the driver handle + * @ctx: device context + * Return: 0 if releasing handle successfully, otherwise it is failed. + */ +int venc_if_deinit(struct mtk_vcodec_ctx *ctx); + +/* + * venc_if_set_param - Set parameter to driver + * @ctx: device context + * @type: parameter type + * @in: input parameter + * Return: 0 if setting param successfully, otherwise it is failed. + */ +int venc_if_set_param(struct mtk_vcodec_ctx *ctx, + enum venc_set_param_type type, + struct venc_enc_param *in); + +/* + * venc_if_encode - Encode one frame + * @ctx: device context + * @opt: encode frame option + * @frm_buf: input frame buffer information + * @bs_buf: output bitstream buffer infomraiton + * @result: encode result + * Return: 0 if encoding frame successfully, otherwise it is failed. + */ +int venc_if_encode(struct mtk_vcodec_ctx *ctx, + enum venc_start_opt opt, + struct venc_frm_buf *frm_buf, + struct mtk_vcodec_mem *bs_buf, + struct venc_done_result *result); + +#endif /* _VENC_DRV_IF_H_ */ diff --git a/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h b/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h new file mode 100644 index 0000000..4c869cb --- /dev/null +++ b/drivers/media/platform/mtk-vcodec/venc_ipi_msg.h @@ -0,0 +1,210 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Jungchang Tsao + * Daniel Hsiao + * Tiffany 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_IPI_MSG_H_ +#define _VENC_IPI_MSG_H_ + +#define AP_IPIMSG_VENC_BASE 0xC000 +#define VPU_IPIMSG_VENC_BASE 0xD000 + +/** + * enum venc_ipi_msg_id - message id between AP and VPU + * (ipi stands for inter-processor interrupt) + * @AP_IPIMSG_ENC_XXX: AP to VPU cmd message id + * @VPU_IPIMSG_ENC_XXX_DONE: VPU ack AP cmd message id + */ +enum venc_ipi_msg_id { + AP_IPIMSG_ENC_INIT = AP_IPIMSG_VENC_BASE, + AP_IPIMSG_ENC_SET_PARAM, + AP_IPIMSG_ENC_ENCODE, + AP_IPIMSG_ENC_DEINIT, + + VPU_IPIMSG_ENC_INIT_DONE = VPU_IPIMSG_VENC_BASE, + VPU_IPIMSG_ENC_SET_PARAM_DONE, + VPU_IPIMSG_ENC_ENCODE_DONE, + VPU_IPIMSG_ENC_DEINIT_DONE, +}; + +/** + * struct venc_ap_ipi_msg_init - AP to VPU init cmd structure + * @msg_id: message id (AP_IPIMSG_XXX_ENC_INIT) + * @reserved: reserved for future use. vpu is running in 32bit. Without + * this reserved field, if kernel run in 64bit. this struct size + * will be different between kernel and vpu + * @venc_inst: AP encoder instance + * (struct venc_vp8_inst/venc_h264_inst *) + */ +struct venc_ap_ipi_msg_init { + uint32_t msg_id; + uint32_t reserved; + uint64_t venc_inst; +}; + +/** + * struct venc_ap_ipi_msg_set_param - AP to VPU set_param cmd structure + * @msg_id: message id (AP_IPIMSG_XXX_ENC_SET_PARAM) + * @vpu_inst_addr: VPU encoder instance addr + * (struct venc_vp8_vsi/venc_h264_vsi *) + * @param_id: parameter id (venc_set_param_type) + * @data_item: number of items in the data array + * @data[8]: data array to store the set parameters + */ +struct venc_ap_ipi_msg_set_param { + uint32_t msg_id; + uint32_t vpu_inst_addr; + uint32_t param_id; + uint32_t data_item; + uint32_t data[8]; +}; + +/** + * struct venc_ap_ipi_msg_enc - AP to VPU enc cmd structure + * @msg_id: message id (AP_IPIMSG_XXX_ENC_ENCODE) + * @vpu_inst_addr: VPU encoder instance addr + * (struct venc_vp8_vsi/venc_h264_vsi *) + * @bs_mode: bitstream mode for h264 + * (H264_BS_MODE_SPS/H264_BS_MODE_PPS/H264_BS_MODE_FRAME) + * @input_addr: pointer to input image buffer plane + * @bs_addr: pointer to output bit stream buffer + * @bs_size: bit stream buffer size + */ +struct venc_ap_ipi_msg_enc { + uint32_t msg_id; + uint32_t vpu_inst_addr; + uint32_t bs_mode; + uint32_t input_addr[3]; + uint32_t bs_addr; + uint32_t bs_size; +}; + +/** + * struct venc_ap_ipi_msg_deinit - AP to VPU deinit cmd structure + * @msg_id: message id (AP_IPIMSG_XXX_ENC_DEINIT) + * @vpu_inst_addr: VPU encoder instance addr + * (struct venc_vp8_vsi/venc_h264_vsi *) + */ +struct venc_ap_ipi_msg_deinit { + uint32_t msg_id; + uint32_t vpu_inst_addr; +}; + +/** + * enum venc_ipi_msg_status - VPU ack AP cmd status + */ +enum venc_ipi_msg_status { + VENC_IPI_MSG_STATUS_OK, + VENC_IPI_MSG_STATUS_FAIL, +}; + +/** + * struct venc_vpu_ipi_msg_common - VPU ack AP cmd common structure + * @msg_id: message id (VPU_IPIMSG_XXX_DONE) + * @status: cmd status (venc_ipi_msg_status) + * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *) + */ +struct venc_vpu_ipi_msg_common { + uint32_t msg_id; + uint32_t status; + uint64_t venc_inst; +}; + +/** + * struct venc_vpu_ipi_msg_init - VPU ack AP init cmd structure + * @msg_id: message id (VPU_IPIMSG_XXX_ENC_SET_PARAM_DONE) + * @status: cmd status (venc_ipi_msg_status) + * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *) + * @vpu_inst_addr: VPU encoder instance addr + * (struct venc_vp8_vsi/venc_h264_vsi *) + * @reserved: reserved for future use. vpu is running in 32bit. Without + * this reserved field, if kernel run in 64bit. this struct size + * will be different between kernel and vpu + */ +struct venc_vpu_ipi_msg_init { + uint32_t msg_id; + uint32_t status; + uint64_t venc_inst; + uint32_t vpu_inst_addr; + uint32_t reserved; +}; + +/** + * struct venc_vpu_ipi_msg_set_param - VPU ack AP set_param cmd structure + * @msg_id: message id (VPU_IPIMSG_XXX_ENC_SET_PARAM_DONE) + * @status: cmd status (venc_ipi_msg_status) + * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *) + * @param_id: parameter id (venc_set_param_type) + * @data_item: number of items in the data array + * @data[6]: data array to store the return result + */ +struct venc_vpu_ipi_msg_set_param { + uint32_t msg_id; + uint32_t status; + uint64_t venc_inst; + uint32_t param_id; + uint32_t data_item; + uint32_t data[6]; +}; + +/** + * enum venc_ipi_msg_enc_state - Type of encode state + * VEN_IPI_MSG_ENC_STATE_FRAME: one frame being encoded + * VEN_IPI_MSG_ENC_STATE_PART: bit stream buffer full + * VEN_IPI_MSG_ENC_STATE_SKIP: encoded skip frame + * VEN_IPI_MSG_ENC_STATE_ERROR: encounter error + */ +enum venc_ipi_msg_enc_state { + VEN_IPI_MSG_ENC_STATE_FRAME, + VEN_IPI_MSG_ENC_STATE_PART, + VEN_IPI_MSG_ENC_STATE_SKIP, + VEN_IPI_MSG_ENC_STATE_ERROR, +}; + +/** + * struct venc_vpu_ipi_msg_enc - VPU ack AP enc cmd structure + * @msg_id: message id (VPU_IPIMSG_XXX_ENC_ENCODE_DONE) + * @status: cmd status (venc_ipi_msg_status) + * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *) + * @state: encode state (venc_ipi_msg_enc_state) + * @is_key_frm: whether the encoded frame is key frame + * @bs_size: encoded bitstream size + * @reserved: reserved for future use. vpu is running in 32bit. Without + * this reserved field, if kernel run in 64bit. this struct size + * will be different between kernel and vpu + */ +struct venc_vpu_ipi_msg_enc { + uint32_t msg_id; + uint32_t status; + uint64_t venc_inst; + uint32_t state; + uint32_t is_key_frm; + uint32_t bs_size; + uint32_t reserved; +}; + +/** + * struct venc_vpu_ipi_msg_deinit - VPU ack AP deinit cmd structure + * @msg_id: message id (VPU_IPIMSG_XXX_ENC_DEINIT_DONE) + * @status: cmd status (venc_ipi_msg_status) + * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *) + */ +struct venc_vpu_ipi_msg_deinit { + uint32_t msg_id; + uint32_t status; + uint64_t venc_inst; +}; + +#endif /* _VENC_IPI_MSG_H_ */