From patchwork Tue Aug 4 03:41:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xia Jiang X-Patchwork-Id: 256273 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MIME_BASE64_TEXT, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3166C433E4 for ; Tue, 4 Aug 2020 03:42:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C15D720792 for ; Tue, 4 Aug 2020 03:42:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="gCHA6ekU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730562AbgHDDmp (ORCPT ); Mon, 3 Aug 2020 23:42:45 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:1834 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1730472AbgHDDmZ (ORCPT ); Mon, 3 Aug 2020 23:42:25 -0400 X-UUID: 94c9d9e0ad1141c9a98e1b3c2214865d-20200804 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=SpFqqLUUkY4Ljel2CZAAEYcJIdF758VqVPZWCHKu7uw=; b=gCHA6ekUeVQvIs2VUUY35sQVdKclsFYFp4Li9/QAJTMfdzIxUvHth1NTP18CqNQLN2VzgYFY6aQqXFBB6Jaaxxq07ow/L4mwcMfOtgPGdOMrs0xZ8e+CmF+5uCueBkEalcm5Ml1fCYnj7JOuwSaqYpf9qoJJenp8VExGu77i5E0=; X-UUID: 94c9d9e0ad1141c9a98e1b3c2214865d-20200804 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 82549380; Tue, 04 Aug 2020 11:42:17 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 4 Aug 2020 11:42:15 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 4 Aug 2020 11:42:14 +0800 From: Xia Jiang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Rick Chang CC: , , , , , Marek Szyprowski , Tomasz Figa , , , , , , Xia Jiang Subject: [PATCH v11 28/28] media: platform: Add jpeg enc feature Date: Tue, 4 Aug 2020 11:41:02 +0800 Message-ID: <20200804034102.22983-29-xia.jiang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200804034102.22983-1-xia.jiang@mediatek.com> References: <20200804034102.22983-1-xia.jiang@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add mtk jpeg encode v4l2 driver based on jpeg decode, because that jpeg decode and encode have great similarities with function operation. Reviewed-by: Tomasz Figa Signed-off-by: Xia Jiang --- v11: no changes --- drivers/media/platform/mtk-jpeg/Makefile | 5 +- .../media/platform/mtk-jpeg/mtk_jpeg_core.c | 351 +++++++++++++++++- .../media/platform/mtk-jpeg/mtk_jpeg_core.h | 17 + .../media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c | 154 ++++++++ .../media/platform/mtk-jpeg/mtk_jpeg_enc_hw.h | 91 +++++ 5 files changed, 614 insertions(+), 4 deletions(-) create mode 100644 drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c create mode 100644 drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.h -- 2.18.0 diff --git a/drivers/media/platform/mtk-jpeg/Makefile b/drivers/media/platform/mtk-jpeg/Makefile index 48516dcf96e6..76c33aad0f3f 100644 --- a/drivers/media/platform/mtk-jpeg/Makefile +++ b/drivers/media/platform/mtk-jpeg/Makefile @@ -1,3 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only -mtk_jpeg-objs := mtk_jpeg_core.o mtk_jpeg_dec_hw.o mtk_jpeg_dec_parse.o +mtk_jpeg-objs := mtk_jpeg_core.o \ + mtk_jpeg_dec_hw.o \ + mtk_jpeg_dec_parse.o \ + mtk_jpeg_enc_hw.o obj-$(CONFIG_VIDEO_MEDIATEK_JPEG) += mtk_jpeg.o diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index 3d95c7f0a22d..1c7fff6a84df 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -3,6 +3,7 @@ * Copyright (c) 2016 MediaTek Inc. * Author: Ming Hsiu Tsai * Rick Chang + * Xia Jiang */ #include @@ -23,10 +24,59 @@ #include #include +#include "mtk_jpeg_enc_hw.h" #include "mtk_jpeg_dec_hw.h" #include "mtk_jpeg_core.h" #include "mtk_jpeg_dec_parse.h" +static struct mtk_jpeg_fmt mtk_jpeg_enc_formats[] = { + { + .fourcc = V4L2_PIX_FMT_JPEG, + .colplanes = 1, + .flags = MTK_JPEG_FMT_FLAG_CAPTURE, + }, + { + .fourcc = V4L2_PIX_FMT_NV12M, + .hw_format = JPEG_ENC_YUV_FORMAT_NV12, + .h_sample = {4, 4}, + .v_sample = {4, 2}, + .colplanes = 2, + .h_align = 4, + .v_align = 4, + .flags = MTK_JPEG_FMT_FLAG_OUTPUT, + }, + { + .fourcc = V4L2_PIX_FMT_NV21M, + .hw_format = JEPG_ENC_YUV_FORMAT_NV21, + .h_sample = {4, 4}, + .v_sample = {4, 2}, + .colplanes = 2, + .h_align = 4, + .v_align = 4, + .flags = MTK_JPEG_FMT_FLAG_OUTPUT, + }, + { + .fourcc = V4L2_PIX_FMT_YUYV, + .hw_format = JPEG_ENC_YUV_FORMAT_YUYV, + .h_sample = {8}, + .v_sample = {4}, + .colplanes = 1, + .h_align = 5, + .v_align = 3, + .flags = MTK_JPEG_FMT_FLAG_OUTPUT, + }, + { + .fourcc = V4L2_PIX_FMT_YVYU, + .hw_format = JPEG_ENC_YUV_FORMAT_YVYU, + .h_sample = {8}, + .v_sample = {4}, + .colplanes = 1, + .h_align = 5, + .v_align = 3, + .flags = MTK_JPEG_FMT_FLAG_OUTPUT, + }, +}; + static struct mtk_jpeg_fmt mtk_jpeg_dec_formats[] = { { .fourcc = V4L2_PIX_FMT_JPEG, @@ -53,6 +103,7 @@ static struct mtk_jpeg_fmt mtk_jpeg_dec_formats[] = { }, }; +#define MTK_JPEG_ENC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_enc_formats) #define MTK_JPEG_DEC_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_dec_formats) struct mtk_jpeg_src_buf { @@ -64,6 +115,11 @@ struct mtk_jpeg_src_buf { static int debug; module_param(debug, int, 0644); +static inline struct mtk_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl) +{ + return container_of(ctrl->handler, struct mtk_jpeg_ctx, ctrl_hdl); +} + static inline struct mtk_jpeg_ctx *mtk_jpeg_fh_to_ctx(struct v4l2_fh *fh) { return container_of(fh, struct mtk_jpeg_ctx, fh); @@ -88,6 +144,53 @@ static int mtk_jpeg_querycap(struct file *file, void *priv, return 0; } +static int vidioc_jpeg_enc_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct mtk_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); + + switch (ctrl->id) { + case V4L2_CID_JPEG_RESTART_INTERVAL: + ctx->restart_interval = ctrl->val; + break; + case V4L2_CID_JPEG_COMPRESSION_QUALITY: + ctx->enc_quality = ctrl->val; + break; + case V4L2_CID_JPEG_ACTIVE_MARKER: + ctx->enable_exif = ctrl->val & V4L2_JPEG_ACTIVE_MARKER_APP1; + break; + } + + return 0; +} + +static const struct v4l2_ctrl_ops mtk_jpeg_enc_ctrl_ops = { + .s_ctrl = vidioc_jpeg_enc_s_ctrl, +}; + +static int mtk_jpeg_enc_ctrls_setup(struct mtk_jpeg_ctx *ctx) +{ + const struct v4l2_ctrl_ops *ops = &mtk_jpeg_enc_ctrl_ops; + struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl; + + v4l2_ctrl_handler_init(handler, 3); + + v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, + 1, 0); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_COMPRESSION_QUALITY, 48, + 100, 1, 90); + v4l2_ctrl_new_std(handler, ops, V4L2_CID_JPEG_ACTIVE_MARKER, 0, + V4L2_JPEG_ACTIVE_MARKER_APP1, 0, 0); + + if (handler->error) { + v4l2_ctrl_handler_free(&ctx->ctrl_hdl); + return handler->error; + } + + v4l2_ctrl_handler_setup(&ctx->ctrl_hdl); + + return 0; +} + static int mtk_jpeg_enum_fmt(struct mtk_jpeg_fmt *mtk_jpeg_formats, int n, struct v4l2_fmtdesc *f, u32 type) { @@ -331,6 +434,8 @@ static int mtk_jpeg_s_fmt_mplane(struct mtk_jpeg_ctx *ctx, pix_mp->pixelformat, fmt_type); q_data->pix_mp.width = pix_mp->width; q_data->pix_mp.height = pix_mp->height; + q_data->enc_crop_rect.width = pix_mp->width; + q_data->enc_crop_rect.height = pix_mp->height; q_data->pix_mp.colorspace = V4L2_COLORSPACE_SRGB; q_data->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601; q_data->pix_mp.xfer_func = V4L2_XFER_FUNC_SRGB; @@ -407,6 +512,30 @@ static int mtk_jpeg_subscribe_event(struct v4l2_fh *fh, return v4l2_ctrl_subscribe_event(fh, sub); } +static int mtk_jpeg_enc_g_selection(struct file *file, void *priv, + struct v4l2_selection *s) +{ + struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv); + + if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) + return -EINVAL; + + switch (s->target) { + case V4L2_SEL_TGT_CROP: + s->r = ctx->out_q.enc_crop_rect; + case V4L2_SEL_TGT_CROP_BOUNDS: + case V4L2_SEL_TGT_CROP_DEFAULT: + s->r.width = ctx->out_q.pix_mp.width; + s->r.height = ctx->out_q.pix_mp.height; + s->r.left = 0; + s->r.top = 0; + break; + default: + return -EINVAL; + } + return 0; +} + static int mtk_jpeg_dec_g_selection(struct file *file, void *priv, struct v4l2_selection *s) { @@ -436,6 +565,56 @@ static int mtk_jpeg_dec_g_selection(struct file *file, void *priv, return 0; } +static int mtk_jpeg_enc_s_selection(struct file *file, void *priv, + struct v4l2_selection *s) +{ + struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv); + + if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) + return -EINVAL; + + switch (s->target) { + case V4L2_SEL_TGT_CROP: + s->r.left = 0; + s->r.top = 0; + s->r.width = min(s->r.width, ctx->out_q.pix_mp.width); + s->r.height = min(s->r.height, ctx->out_q.pix_mp.height); + ctx->out_q.enc_crop_rect = s->r; + break; + default: + return -EINVAL; + } + + return 0; +} + +static const struct v4l2_ioctl_ops mtk_jpeg_enc_ioctl_ops = { + .vidioc_querycap = mtk_jpeg_querycap, + .vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap, + .vidioc_enum_fmt_vid_out = mtk_jpeg_enum_fmt_vid_out, + .vidioc_try_fmt_vid_cap_mplane = mtk_jpeg_try_fmt_vid_cap_mplane, + .vidioc_try_fmt_vid_out_mplane = mtk_jpeg_try_fmt_vid_out_mplane, + .vidioc_g_fmt_vid_cap_mplane = mtk_jpeg_g_fmt_vid_mplane, + .vidioc_g_fmt_vid_out_mplane = mtk_jpeg_g_fmt_vid_mplane, + .vidioc_s_fmt_vid_cap_mplane = mtk_jpeg_s_fmt_vid_cap_mplane, + .vidioc_s_fmt_vid_out_mplane = mtk_jpeg_s_fmt_vid_out_mplane, + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_subscribe_event = mtk_jpeg_subscribe_event, + .vidioc_g_selection = mtk_jpeg_enc_g_selection, + .vidioc_s_selection = mtk_jpeg_enc_s_selection, + + .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, + .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, + .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, + + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +}; + static const struct v4l2_ioctl_ops mtk_jpeg_dec_ioctl_ops = { .vidioc_querycap = mtk_jpeg_querycap, .vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap, @@ -501,15 +680,22 @@ static int mtk_jpeg_buf_prepare(struct vb2_buffer *vb) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct mtk_jpeg_q_data *q_data = NULL; + struct v4l2_plane_pix_format plane_fmt = {}; int i; q_data = mtk_jpeg_get_q_data(ctx, vb->vb2_queue->type); if (!q_data) return -EINVAL; - for (i = 0; i < q_data->fmt->colplanes; i++) - vb2_set_plane_payload(vb, i, - q_data->pix_mp.plane_fmt[i].sizeimage); + for (i = 0; i < q_data->fmt->colplanes; i++) { + plane_fmt = q_data->pix_mp.plane_fmt[i]; + if (ctx->enable_exif && + q_data->fmt->fourcc == V4L2_PIX_FMT_JPEG) + vb2_set_plane_payload(vb, i, plane_fmt.sizeimage + + MTK_JPEG_MAX_EXIF_SIZE); + else + vb2_set_plane_payload(vb, i, plane_fmt.sizeimage); + } return 0; } @@ -572,6 +758,17 @@ static void mtk_jpeg_set_queue_data(struct mtk_jpeg_ctx *ctx, param->dec_w, param->dec_h); } +static void mtk_jpeg_enc_buf_queue(struct vb2_buffer *vb) +{ + struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + + v4l2_dbg(2, debug, &jpeg->v4l2_dev, "(%d) buf_q id=%d, vb=%p\n", + vb->vb2_queue->type, vb->index, vb); + + v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, to_vb2_v4l2_buffer(vb)); +} + static void mtk_jpeg_dec_buf_queue(struct vb2_buffer *vb) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); @@ -620,6 +817,15 @@ static struct vb2_v4l2_buffer *mtk_jpeg_buf_remove(struct mtk_jpeg_ctx *ctx, return v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); } +static void mtk_jpeg_enc_stop_streaming(struct vb2_queue *q) +{ + struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); + struct vb2_v4l2_buffer *vb; + + while ((vb = mtk_jpeg_buf_remove(ctx, q->type))) + v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR); +} + static void mtk_jpeg_dec_stop_streaming(struct vb2_queue *q) { struct mtk_jpeg_ctx *ctx = vb2_get_drv_priv(q); @@ -655,6 +861,15 @@ static const struct vb2_ops mtk_jpeg_dec_qops = { .stop_streaming = mtk_jpeg_dec_stop_streaming, }; +static const struct vb2_ops mtk_jpeg_enc_qops = { + .queue_setup = mtk_jpeg_queue_setup, + .buf_prepare = mtk_jpeg_buf_prepare, + .buf_queue = mtk_jpeg_enc_buf_queue, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, + .stop_streaming = mtk_jpeg_enc_stop_streaming, +}; + static void mtk_jpeg_set_dec_src(struct mtk_jpeg_ctx *ctx, struct vb2_buffer *src_buf, struct mtk_jpeg_bs *bs) @@ -692,6 +907,50 @@ static int mtk_jpeg_set_dec_dst(struct mtk_jpeg_ctx *ctx, return 0; } +static void mtk_jpeg_enc_device_run(void *priv) +{ + struct mtk_jpeg_ctx *ctx = priv; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; + unsigned long flags; + struct mtk_jpeg_src_buf *jpeg_src_buf; + int ret; + + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf); + + ret = pm_runtime_get_sync(jpeg->dev); + if (ret < 0) + goto enc_end; + + schedule_delayed_work(&jpeg->job_timeout_work, + msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); + + spin_lock_irqsave(&jpeg->hw_lock, flags); + + /* + * Resetting the hardware every frame is to ensure that all the + * registers are cleared. This is a hardware requirement. + */ + mtk_jpeg_enc_reset(jpeg->reg_base); + + mtk_jpeg_set_enc_src(ctx, jpeg->reg_base, &src_buf->vb2_buf); + mtk_jpeg_set_enc_dst(ctx, jpeg->reg_base, &dst_buf->vb2_buf); + mtk_jpeg_set_enc_params(ctx, jpeg->reg_base); + mtk_jpeg_enc_start(jpeg->reg_base); + spin_unlock_irqrestore(&jpeg->hw_lock, flags); + return; + +enc_end: + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_buf_done(src_buf, buf_state); + v4l2_m2m_buf_done(dst_buf, buf_state); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); +} + static void mtk_jpeg_dec_device_run(void *priv) { struct mtk_jpeg_ctx *ctx = priv; @@ -750,6 +1009,10 @@ static int mtk_jpeg_dec_job_ready(void *priv) return (ctx->state == MTK_JPEG_RUNNING) ? 1 : 0; } +static const struct v4l2_m2m_ops mtk_jpeg_enc_m2m_ops = { + .device_run = mtk_jpeg_enc_device_run, +}; + static const struct v4l2_m2m_ops mtk_jpeg_dec_m2m_ops = { .device_run = mtk_jpeg_dec_device_run, .job_ready = mtk_jpeg_dec_job_ready, @@ -810,6 +1073,54 @@ static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg) mtk_smi_larb_put(jpeg->larb); } +static irqreturn_t mtk_jpeg_enc_done(struct mtk_jpeg_dev *jpeg) +{ + struct mtk_jpeg_ctx *ctx; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; + u32 result_size; + + ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); + if (!ctx) { + v4l2_err(&jpeg->v4l2_dev, "Context is NULL\n"); + return IRQ_HANDLED; + } + + src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + + result_size = mtk_jpeg_enc_get_file_size(jpeg->reg_base); + vb2_set_plane_payload(&dst_buf->vb2_buf, 0, result_size); + + buf_state = VB2_BUF_STATE_DONE; + + v4l2_m2m_buf_done(src_buf, buf_state); + v4l2_m2m_buf_done(dst_buf, buf_state); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + pm_runtime_put(ctx->jpeg->dev); + return IRQ_HANDLED; +} + +static irqreturn_t mtk_jpeg_enc_irq(int irq, void *priv) +{ + struct mtk_jpeg_dev *jpeg = priv; + u32 irq_status; + irqreturn_t ret = IRQ_NONE; + + cancel_delayed_work(&jpeg->job_timeout_work); + + irq_status = readl(jpeg->reg_base + JPEG_ENC_INT_STS) & + JPEG_ENC_INT_STATUS_MASK_ALLIRQ; + if (irq_status) + writel(0, jpeg->reg_base + JPEG_ENC_INT_STS); + + if (!(irq_status & JPEG_ENC_INT_STATUS_DONE)) + return ret; + + ret = mtk_jpeg_enc_done(jpeg); + return ret; +} + static irqreturn_t mtk_jpeg_dec_irq(int irq, void *priv) { struct mtk_jpeg_dev *jpeg = priv; @@ -862,6 +1173,7 @@ static void mtk_jpeg_set_default_params(struct mtk_jpeg_ctx *ctx) struct mtk_jpeg_q_data *q = &ctx->out_q; struct mtk_jpeg_dev *jpeg = ctx->jpeg; + ctx->fh.ctrl_handler = &ctx->ctrl_hdl; q->pix_mp.colorspace = V4L2_COLORSPACE_SRGB; q->pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_601; q->pix_mp.quantization = V4L2_QUANTIZATION_FULL_RANGE; @@ -918,6 +1230,15 @@ static int mtk_jpeg_open(struct file *file) goto error; } + if (jpeg->variant->cap_q_default_fourcc == V4L2_PIX_FMT_JPEG) { + ret = mtk_jpeg_enc_ctrls_setup(ctx); + if (ret) { + v4l2_err(&jpeg->v4l2_dev, "Failed to setup jpeg enc controls\n"); + goto error; + } + } else { + v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 0); + } mtk_jpeg_set_default_params(ctx); mutex_unlock(&jpeg->lock); return 0; @@ -938,6 +1259,7 @@ static int mtk_jpeg_release(struct file *file) mutex_lock(&jpeg->lock); v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); + v4l2_ctrl_handler_free(&ctx->ctrl_hdl); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); kfree(ctx); @@ -959,6 +1281,10 @@ static struct clk_bulk_data mt8173_jpeg_dec_clocks[] = { { .id = "jpgdec" }, }; +static struct clk_bulk_data mtk_jpeg_clocks[] = { + { .id = "jpgenc" }, +}; + static int mtk_jpeg_clk_init(struct mtk_jpeg_dev *jpeg) { struct device_node *node; @@ -1190,6 +1516,21 @@ static const struct mtk_jpeg_variant mt8173_jpeg_drvdata = { .cap_q_default_fourcc = V4L2_PIX_FMT_YUV420M, }; +static const struct mtk_jpeg_variant mtk_jpeg_drvdata = { + .clks = mtk_jpeg_clocks, + .num_clks = ARRAY_SIZE(mtk_jpeg_clocks), + .formats = mtk_jpeg_enc_formats, + .num_formats = MTK_JPEG_ENC_NUM_FORMATS, + .qops = &mtk_jpeg_enc_qops, + .irq_handler = mtk_jpeg_enc_irq, + .hw_reset = mtk_jpeg_enc_reset, + .m2m_ops = &mtk_jpeg_enc_m2m_ops, + .dev_name = "mtk-jpeg-enc", + .ioctl_ops = &mtk_jpeg_enc_ioctl_ops, + .out_q_default_fourcc = V4L2_PIX_FMT_YUYV, + .cap_q_default_fourcc = V4L2_PIX_FMT_JPEG, +}; + static const struct of_device_id mtk_jpeg_match[] = { { .compatible = "mediatek,mt8173-jpgdec", @@ -1199,6 +1540,10 @@ static const struct of_device_id mtk_jpeg_match[] = { .compatible = "mediatek,mt2701-jpgdec", .data = &mt8173_jpeg_drvdata, }, + { + .compatible = "mediatek,mtk-jpgenc", + .data = &mtk_jpeg_drvdata, + }, {}, }; diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h index d11d366a247e..50e12baa0b63 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h @@ -3,6 +3,7 @@ * Copyright (c) 2016 MediaTek Inc. * Author: Ming Hsiu Tsai * Rick Chang + * Xia Jiang */ #ifndef _MTK_JPEG_CORE_H @@ -12,6 +13,8 @@ #include #include #include +#include +#include #define MTK_JPEG_NAME "mtk-jpeg" @@ -29,6 +32,8 @@ #define MTK_JPEG_HW_TIMEOUT_MSEC 1000 +#define MTK_JPEG_MAX_EXIF_SIZE (64 * 1024) + /** * enum mtk_jpeg_ctx_state - states of the context state machine * @MTK_JPEG_INIT: current state is initialized @@ -104,6 +109,7 @@ struct mtk_jpeg_dev { /** * struct jpeg_fmt - driver's internal color format data * @fourcc: the fourcc code, 0 if not applicable + * @hw_format: hardware format value * @h_sample: horizontal sample count of plane in 4 * 4 pixel image * @v_sample: vertical sample count of plane in 4 * 4 pixel image * @colplanes: number of color planes (1 for packed formats) @@ -113,6 +119,7 @@ struct mtk_jpeg_dev { */ struct mtk_jpeg_fmt { u32 fourcc; + u32 hw_format; int h_sample[VIDEO_MAX_PLANES]; int v_sample[VIDEO_MAX_PLANES]; int colplanes; @@ -125,10 +132,12 @@ struct mtk_jpeg_fmt { * mtk_jpeg_q_data - parameters of one queue * @fmt: driver-specific format of this queue * @pix_mp: multiplanar format + * @enc_crop_rect: jpeg encoder crop information */ struct mtk_jpeg_q_data { struct mtk_jpeg_fmt *fmt; struct v4l2_pix_format_mplane pix_mp; + struct v4l2_rect enc_crop_rect; }; /** @@ -138,6 +147,10 @@ struct mtk_jpeg_q_data { * @cap_q: destination (capture) queue queue information * @fh: V4L2 file handle * @state: state of the context + * @enable_exif: enable exif mode of jpeg encoder + * @enc_quality: jpeg encoder quality + * @restart_interval: jpeg encoder restart interval + * @ctrl_hdl: controls handler */ struct mtk_jpeg_ctx { struct mtk_jpeg_dev *jpeg; @@ -145,6 +158,10 @@ struct mtk_jpeg_ctx { struct mtk_jpeg_q_data cap_q; struct v4l2_fh fh; enum mtk_jpeg_ctx_state state; + bool enable_exif; + u8 enc_quality; + u8 restart_interval; + struct v4l2_ctrl_handler ctrl_hdl; }; #endif /* _MTK_JPEG_CORE_H */ diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c new file mode 100644 index 000000000000..1cf037bf72dd --- /dev/null +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2019 MediaTek Inc. + * Author: Xia Jiang + * + */ + +#include +#include +#include +#include + +#include "mtk_jpeg_enc_hw.h" + +static const struct mtk_jpeg_enc_qlt mtk_jpeg_enc_quality[] = { + {.quality_param = 34, .hardware_value = JPEG_ENC_QUALITY_Q34}, + {.quality_param = 39, .hardware_value = JPEG_ENC_QUALITY_Q39}, + {.quality_param = 48, .hardware_value = JPEG_ENC_QUALITY_Q48}, + {.quality_param = 60, .hardware_value = JPEG_ENC_QUALITY_Q60}, + {.quality_param = 64, .hardware_value = JPEG_ENC_QUALITY_Q64}, + {.quality_param = 68, .hardware_value = JPEG_ENC_QUALITY_Q68}, + {.quality_param = 74, .hardware_value = JPEG_ENC_QUALITY_Q74}, + {.quality_param = 80, .hardware_value = JPEG_ENC_QUALITY_Q80}, + {.quality_param = 82, .hardware_value = JPEG_ENC_QUALITY_Q82}, + {.quality_param = 84, .hardware_value = JPEG_ENC_QUALITY_Q84}, + {.quality_param = 87, .hardware_value = JPEG_ENC_QUALITY_Q87}, + {.quality_param = 90, .hardware_value = JPEG_ENC_QUALITY_Q90}, + {.quality_param = 92, .hardware_value = JPEG_ENC_QUALITY_Q92}, + {.quality_param = 95, .hardware_value = JPEG_ENC_QUALITY_Q95}, + {.quality_param = 97, .hardware_value = JPEG_ENC_QUALITY_Q97}, +}; + +void mtk_jpeg_enc_reset(void __iomem *base) +{ + writel(0, base + JPEG_ENC_RSTB); + writel(JPEG_ENC_RESET_BIT, base + JPEG_ENC_RSTB); + writel(0, base + JPEG_ENC_CODEC_SEL); +} + +u32 mtk_jpeg_enc_get_file_size(void __iomem *base) +{ + return readl(base + JPEG_ENC_DMA_ADDR0) - + readl(base + JPEG_ENC_DST_ADDR0); +} + +void mtk_jpeg_enc_start(void __iomem *base) +{ + u32 value; + + value = readl(base + JPEG_ENC_CTRL); + value |= JPEG_ENC_CTRL_INT_EN_BIT | JPEG_ENC_CTRL_ENABLE_BIT; + writel(value, base + JPEG_ENC_CTRL); +} + +void mtk_jpeg_set_enc_src(struct mtk_jpeg_ctx *ctx, void __iomem *base, + struct vb2_buffer *src_buf) +{ + int i; + dma_addr_t dma_addr; + + for (i = 0; i < src_buf->num_planes; i++) { + dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, i) + + src_buf->planes[i].data_offset; + if (!i) + writel(dma_addr, base + JPEG_ENC_SRC_LUMA_ADDR); + else + writel(dma_addr, base + JPEG_ENC_SRC_CHROMA_ADDR); + } +} + +void mtk_jpeg_set_enc_dst(struct mtk_jpeg_ctx *ctx, void __iomem *base, + struct vb2_buffer *dst_buf) +{ + dma_addr_t dma_addr; + size_t size; + u32 dma_addr_offset; + u32 dma_addr_offsetmask; + + dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); + dma_addr_offset = ctx->enable_exif ? MTK_JPEG_MAX_EXIF_SIZE : 0; + dma_addr_offsetmask = dma_addr & JPEG_ENC_DST_ADDR_OFFSET_MASK; + size = vb2_plane_size(dst_buf, 0); + + writel(dma_addr_offset & ~0xf, base + JPEG_ENC_OFFSET_ADDR); + writel(dma_addr_offsetmask & 0xf, base + JPEG_ENC_BYTE_OFFSET_MASK); + writel(dma_addr & ~0xf, base + JPEG_ENC_DST_ADDR0); + writel((dma_addr + size) & ~0xf, base + JPEG_ENC_STALL_ADDR0); +} + +void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx, void __iomem *base) +{ + u32 value; + u32 width = ctx->out_q.enc_crop_rect.width; + u32 height = ctx->out_q.enc_crop_rect.height; + u32 enc_format = ctx->out_q.fmt->fourcc; + u32 bytesperline = ctx->out_q.pix_mp.plane_fmt[0].bytesperline; + u32 blk_num; + u32 img_stride; + u32 mem_stride; + u32 i, enc_quality; + + value = width << 16 | height; + writel(value, base + JPEG_ENC_IMG_SIZE); + + if (enc_format == V4L2_PIX_FMT_NV12M || + enc_format == V4L2_PIX_FMT_NV21M) + /* + * Total 8 x 8 block number of luma and chroma. + * The number of blocks is counted from 0. + */ + blk_num = DIV_ROUND_UP(width, 16) * + DIV_ROUND_UP(height, 16) * 6 - 1; + else + blk_num = DIV_ROUND_UP(width, 16) * + DIV_ROUND_UP(height, 8) * 4 - 1; + writel(blk_num, base + JPEG_ENC_BLK_NUM); + + if (enc_format == V4L2_PIX_FMT_NV12M || + enc_format == V4L2_PIX_FMT_NV21M) { + /* 4:2:0 */ + img_stride = round_up(width, 16); + mem_stride = bytesperline; + } else { + /* 4:2:2 */ + img_stride = round_up(width * 2, 32); + mem_stride = img_stride; + } + writel(img_stride, base + JPEG_ENC_IMG_STRIDE); + writel(mem_stride, base + JPEG_ENC_STRIDE); + + enc_quality = mtk_jpeg_enc_quality[0].hardware_value; + for (i = 0; i < ARRAY_SIZE(mtk_jpeg_enc_quality); i++) { + if (ctx->enc_quality <= mtk_jpeg_enc_quality[i].quality_param) { + enc_quality = mtk_jpeg_enc_quality[i].hardware_value; + break; + } + } + writel(enc_quality, base + JPEG_ENC_QUALITY); + + value = readl(base + JPEG_ENC_CTRL); + value &= ~JPEG_ENC_CTRL_YUV_FORMAT_MASK; + value |= (ctx->out_q.fmt->hw_format & 3) << 3; + if (ctx->enable_exif) + value |= JPEG_ENC_CTRL_FILE_FORMAT_BIT; + else + value &= ~JPEG_ENC_CTRL_FILE_FORMAT_BIT; + if (ctx->restart_interval) + value |= JPEG_ENC_CTRL_RESTART_EN_BIT; + else + value &= ~JPEG_ENC_CTRL_RESTART_EN_BIT; + writel(value, base + JPEG_ENC_CTRL); + + writel(ctx->restart_interval, base + JPEG_ENC_RST_MCU_NUM); +} diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.h b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.h new file mode 100644 index 000000000000..61c60e4e58ea --- /dev/null +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2019 MediaTek Inc. + * Author: Xia Jiang + * + */ + +#ifndef _MTK_JPEG_ENC_HW_H +#define _MTK_JPEG_ENC_HW_H + +#include + +#include "mtk_jpeg_core.h" + +#define JPEG_ENC_INT_STATUS_DONE BIT(0) +#define JPEG_ENC_INT_STATUS_MASK_ALLIRQ 0x13 + +#define JPEG_ENC_DST_ADDR_OFFSET_MASK GENMASK(3, 0) + +#define JPEG_ENC_CTRL_YUV_FORMAT_MASK 0x18 +#define JPEG_ENC_CTRL_RESTART_EN_BIT BIT(10) +#define JPEG_ENC_CTRL_FILE_FORMAT_BIT BIT(5) +#define JPEG_ENC_CTRL_INT_EN_BIT BIT(2) +#define JPEG_ENC_CTRL_ENABLE_BIT BIT(0) +#define JPEG_ENC_RESET_BIT BIT(0) + +#define JPEG_ENC_YUV_FORMAT_YUYV 0 +#define JPEG_ENC_YUV_FORMAT_YVYU 1 +#define JPEG_ENC_YUV_FORMAT_NV12 2 +#define JEPG_ENC_YUV_FORMAT_NV21 3 + +#define JPEG_ENC_QUALITY_Q60 0x0 +#define JPEG_ENC_QUALITY_Q80 0x1 +#define JPEG_ENC_QUALITY_Q90 0x2 +#define JPEG_ENC_QUALITY_Q95 0x3 +#define JPEG_ENC_QUALITY_Q39 0x4 +#define JPEG_ENC_QUALITY_Q68 0x5 +#define JPEG_ENC_QUALITY_Q84 0x6 +#define JPEG_ENC_QUALITY_Q92 0x7 +#define JPEG_ENC_QUALITY_Q48 0x8 +#define JPEG_ENC_QUALITY_Q74 0xa +#define JPEG_ENC_QUALITY_Q87 0xb +#define JPEG_ENC_QUALITY_Q34 0xc +#define JPEG_ENC_QUALITY_Q64 0xe +#define JPEG_ENC_QUALITY_Q82 0xf +#define JPEG_ENC_QUALITY_Q97 0x10 + +#define JPEG_ENC_RSTB 0x100 +#define JPEG_ENC_CTRL 0x104 +#define JPEG_ENC_QUALITY 0x108 +#define JPEG_ENC_BLK_NUM 0x10C +#define JPEG_ENC_BLK_CNT 0x110 +#define JPEG_ENC_INT_STS 0x11c +#define JPEG_ENC_DST_ADDR0 0x120 +#define JPEG_ENC_DMA_ADDR0 0x124 +#define JPEG_ENC_STALL_ADDR0 0x128 +#define JPEG_ENC_OFFSET_ADDR 0x138 +#define JPEG_ENC_RST_MCU_NUM 0x150 +#define JPEG_ENC_IMG_SIZE 0x154 +#define JPEG_ENC_DEBUG_INFO0 0x160 +#define JPEG_ENC_DEBUG_INFO1 0x164 +#define JPEG_ENC_TOTAL_CYCLE 0x168 +#define JPEG_ENC_BYTE_OFFSET_MASK 0x16c +#define JPEG_ENC_SRC_LUMA_ADDR 0x170 +#define JPEG_ENC_SRC_CHROMA_ADDR 0x174 +#define JPEG_ENC_STRIDE 0x178 +#define JPEG_ENC_IMG_STRIDE 0x17c +#define JPEG_ENC_DCM_CTRL 0x300 +#define JPEG_ENC_CODEC_SEL 0x314 +#define JPEG_ENC_ULTRA_THRES 0x318 + +/** + * struct mtk_jpeg_enc_qlt - JPEG encoder quality data + * @quality_param: quality value + * @hardware_value: hardware value of quality + */ +struct mtk_jpeg_enc_qlt { + u8 quality_param; + u8 hardware_value; +}; + +void mtk_jpeg_enc_reset(void __iomem *base); +u32 mtk_jpeg_enc_get_file_size(void __iomem *base); +void mtk_jpeg_enc_start(void __iomem *enc_reg_base); +void mtk_jpeg_set_enc_src(struct mtk_jpeg_ctx *ctx, void __iomem *base, + struct vb2_buffer *src_buf); +void mtk_jpeg_set_enc_dst(struct mtk_jpeg_ctx *ctx, void __iomem *base, + struct vb2_buffer *dst_buf); +void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx, void __iomem *base); + +#endif /* _MTK_JPEG_ENC_HW_H */