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Signed-off-by: kyrie wu Signed-off-by: irui wang --- .../platform/mediatek/jpeg/mtk_jpeg_core.c | 196 ++++++++++++++++++ .../platform/mediatek/jpeg/mtk_jpeg_core.h | 11 + .../platform/mediatek/jpeg/mtk_jpeg_dec_hw.c | 39 ++-- 3 files changed, 234 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index e60363e38a90..1d8e065a2067 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1102,6 +1102,180 @@ static void mtk_jpeg_multicore_enc_device_run(void *priv) queue_work(jpeg->workqueue, &ctx->jpeg_work); } +static int mtk_jpegdec_get_hw(struct mtk_jpeg_ctx *ctx) +{ + struct mtk_jpegdec_comp_dev *comp_jpeg; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + unsigned long flags; + int hw_id = -1; + int i; + + spin_lock_irqsave(&jpeg->hw_lock, flags); + for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) { + comp_jpeg = jpeg->dec_hw_dev[i]; + if (comp_jpeg->hw_state == MTK_JPEG_HW_IDLE) { + hw_id = i; + comp_jpeg->hw_state = MTK_JPEG_HW_BUSY; + break; + } + } + spin_unlock_irqrestore(&jpeg->hw_lock, flags); + + return hw_id; +} + +static int mtk_jpegdec_put_hw(struct mtk_jpeg_dev *jpeg, int hw_id) +{ + unsigned long flags; + + spin_lock_irqsave(&jpeg->hw_lock, flags); + jpeg->dec_hw_dev[hw_id]->hw_state = + MTK_JPEG_HW_IDLE; + spin_unlock_irqrestore(&jpeg->hw_lock, flags); + + return 0; +} + +static int mtk_jpegdec_set_hw_param(struct mtk_jpeg_ctx *ctx, + int hw_id, + struct vb2_v4l2_buffer *src_buf, + struct vb2_v4l2_buffer *dst_buf) +{ + struct mtk_jpegdec_comp_dev *jpeg = + ctx->jpeg->dec_hw_dev[hw_id]; + + jpeg->hw_param.curr_ctx = ctx; + jpeg->hw_param.src_buffer = src_buf; + jpeg->hw_param.dst_buffer = dst_buf; + + return 0; +} + +static void mtk_jpegdec_worker(struct work_struct *work) +{ + struct mtk_jpeg_ctx *ctx = container_of(work, struct mtk_jpeg_ctx, + jpeg_work); + struct mtk_jpegdec_comp_dev *comp_jpeg[MTK_JPEGDEC_HW_MAX]; + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR; + struct mtk_jpeg_src_buf *jpeg_src_buf, *jpeg_dst_buf; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + int ret, i, hw_id = 0; + struct mtk_jpeg_bs bs; + struct mtk_jpeg_fb fb; + unsigned long flags; + + for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) + comp_jpeg[i] = jpeg->dec_hw_dev[i]; + i = 0; + +retry_select: + hw_id = mtk_jpegdec_get_hw(ctx); + if (hw_id < 0) { + ret = wait_event_interruptible_timeout(jpeg->dec_hw_wq, + atomic_read(&jpeg->dechw_rdy) > 0, + MTK_JPEG_HW_TIMEOUT_MSEC); + if (ret != 0 || (i++ > MTK_JPEG_MAX_RETRY_TIME)) { + dev_err(jpeg->dev, "%s : %d, all HW are busy\n", + __func__, __LINE__); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + return; + } + + goto retry_select; + } + + atomic_dec(&jpeg->dechw_rdy); + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + if (!src_buf) + goto getbuf_fail; + + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + if (!dst_buf) + goto getbuf_fail; + + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + + v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); + jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf); + jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf); + + if (mtk_jpeg_check_resolution_change(ctx, + &jpeg_src_buf->dec_param)) { + mtk_jpeg_queue_src_chg_event(ctx); + ctx->state = MTK_JPEG_SOURCE_CHANGE; + goto dec_end; + } + + jpeg_src_buf->curr_ctx = ctx; + jpeg_src_buf->frame_num = ctx->total_frame_num; + jpeg_dst_buf->curr_ctx = ctx; + jpeg_dst_buf->frame_num = ctx->total_frame_num; + ctx->total_frame_num++; + + mtk_jpegdec_set_hw_param(ctx, hw_id, src_buf, dst_buf); + ret = pm_runtime_get_sync(comp_jpeg[hw_id]->dev); + if (ret < 0) { + dev_err(jpeg->dev, "%s : %d, pm_runtime_get_sync fail !!!\n", + __func__, __LINE__); + goto dec_end; + } + + ret = clk_prepare_enable(comp_jpeg[hw_id]->jdec_clk.clks->clk); + if (ret) { + dev_err(jpeg->dev, "%s : %d, jpegdec clk_prepare_enable fail\n", + __func__, __LINE__); + goto clk_end; + } + + schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work, + msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC)); + + mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs); + if (mtk_jpeg_set_dec_dst(ctx, + &jpeg_src_buf->dec_param, + &dst_buf->vb2_buf, &fb)) { + dev_err(jpeg->dev, "%s : %d, mtk_jpeg_set_dec_dst fail\n", + __func__, __LINE__); + goto setdst_end; + } + + spin_lock_irqsave(&comp_jpeg[hw_id]->hw_lock, flags); + mtk_jpeg_dec_reset(comp_jpeg[hw_id]->reg_base); + mtk_jpeg_dec_set_config(jpeg->reg_base, + &jpeg_src_buf->dec_param, + &bs, + &fb); + mtk_jpeg_dec_start(comp_jpeg[hw_id]->reg_base); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags); + + return; + +setdst_end: + clk_disable_unprepare(comp_jpeg[hw_id]->jdec_clk.clks->clk); +clk_end: + pm_runtime_put(comp_jpeg[hw_id]->dev); +dec_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); +getbuf_fail: + atomic_inc(&jpeg->dechw_rdy); + mtk_jpegdec_put_hw(jpeg, hw_id); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); +} + +static void mtk_jpeg_multicore_dec_device_run(void *priv) +{ + struct mtk_jpeg_ctx *ctx = priv; + struct mtk_jpeg_dev *jpeg = ctx->jpeg; + + queue_work(jpeg->workqueue, &ctx->jpeg_work); +} + static void mtk_jpeg_dec_device_run(void *priv) { struct mtk_jpeg_ctx *ctx = priv; @@ -1168,6 +1342,10 @@ static const struct v4l2_m2m_ops mtk_jpeg_multicore_enc_m2m_ops = { .device_run = mtk_jpeg_multicore_enc_device_run, }; +static const struct v4l2_m2m_ops mtk_jpeg_multicore_dec_m2m_ops = { + .device_run = mtk_jpeg_multicore_dec_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, @@ -1371,6 +1549,9 @@ static int mtk_jpeg_open(struct file *file) if (jpeg->is_jpgenc_multihw) INIT_WORK(&ctx->jpeg_work, mtk_jpegenc_worker); + if (jpeg->is_jpgdec_multihw) + INIT_WORK(&ctx->jpeg_work, mtk_jpegdec_worker); + INIT_LIST_HEAD(&ctx->dst_done_queue); spin_lock_init(&ctx->done_queue_lock); v4l2_fh_init(&ctx->fh, vfd); @@ -1678,6 +1859,17 @@ static struct mtk_jpeg_variant mtk8195_jpegenc_drvdata = { .cap_q_default_fourcc = V4L2_PIX_FMT_JPEG, }; +static const struct mtk_jpeg_variant mtk8195_jpegdec_drvdata = { + .formats = mtk_jpeg_dec_formats, + .num_formats = MTK_JPEG_DEC_NUM_FORMATS, + .qops = &mtk_jpeg_dec_qops, + .m2m_ops = &mtk_jpeg_multicore_dec_m2m_ops, + .dev_name = "mtk-jpeg-dec", + .ioctl_ops = &mtk_jpeg_dec_ioctl_ops, + .out_q_default_fourcc = V4L2_PIX_FMT_JPEG, + .cap_q_default_fourcc = V4L2_PIX_FMT_YUV420M, +}; + #if defined(CONFIG_OF) static const struct of_device_id mtk_jpeg_match[] = { { @@ -1696,6 +1888,10 @@ static const struct of_device_id mtk_jpeg_match[] = { .compatible = "mediatek,mt8195-jpgenc", .data = &mtk8195_jpegenc_drvdata, }, + { + .compatible = "mediatek,mt8195-jpgdec", + .data = &mtk8195_jpegdec_drvdata, + }, {}, }; diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h index 391c4ec25b2c..0713b8d14356 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -167,6 +167,8 @@ struct mtk_jpegenc_comp_dev { * @jpegdec_irq: jpeg decode irq num * @job_timeout_work: decode timeout workqueue * @hw_param: jpeg decode hw parameters + * @hw_state: record hw state + * @hw_lock: spinlock protecting hw */ struct mtk_jpegdec_comp_dev { struct device *dev; @@ -177,6 +179,9 @@ struct mtk_jpegdec_comp_dev { int jpegdec_irq; struct delayed_work job_timeout_work; struct mtk_jpeg_hw_param hw_param; + enum mtk_jpeg_hw_state hw_state; + /* spinlock protecting the hw device resource */ + spinlock_t hw_lock; }; /** @@ -200,6 +205,9 @@ struct mtk_jpegdec_comp_dev { * @reg_decbase: jpg decode register base addr * @dec_hw_dev: jpg decode hardware device * @is_jpgdec_multihw: the flag of dec multi-hw core + * @dec_hw_wq: jpg decode wait queue + * @dec_workqueue: jpg decode work queue + * @dechw_rdy: jpg decode hw ready flag */ struct mtk_jpeg_dev { struct mutex lock; @@ -223,6 +231,9 @@ struct mtk_jpeg_dev { void __iomem *reg_decbase[MTK_JPEGDEC_HW_MAX]; struct mtk_jpegdec_comp_dev *dec_hw_dev[MTK_JPEGDEC_HW_MAX]; bool is_jpgdec_multihw; + wait_queue_head_t dec_hw_wq; + struct workqueue_struct *dec_workqueue; + atomic_t dechw_rdy; }; /** diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c index d65cc0a3b663..f7e3013234d3 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c @@ -446,6 +446,7 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work) struct mtk_jpegdec_comp_dev *cjpeg = container_of(work, struct mtk_jpegdec_comp_dev, job_timeout_work.work); + struct mtk_jpeg_dev *master_jpeg = cjpeg->master_dev; struct vb2_v4l2_buffer *src_buf, *dst_buf; src_buf = cjpeg->hw_param.src_buffer; @@ -455,6 +456,9 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work) mtk_jpeg_dec_reset(cjpeg->reg_base); clk_disable_unprepare(cjpeg->jdec_clk.clks->clk); pm_runtime_put(cjpeg->dev); + cjpeg->hw_state = MTK_JPEG_HW_IDLE; + atomic_inc(&master_jpeg->dechw_rdy); + wake_up(&master_jpeg->dec_hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); v4l2_m2m_buf_done(dst_buf, buf_state); } @@ -474,22 +478,19 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) cancel_delayed_work(&jpeg->job_timeout_work); + ctx = jpeg->hw_param.curr_ctx; + src_buf = jpeg->hw_param.src_buffer; + dst_buf = jpeg->hw_param.dst_buffer; + v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); + irq_status = mtk_jpeg_dec_get_int_status(jpeg->reg_base); dec_irq_ret = mtk_jpeg_dec_enum_result(irq_status); if (dec_irq_ret >= MTK_JPEG_DEC_RESULT_UNDERFLOW) mtk_jpeg_dec_reset(jpeg->reg_base); - if (dec_irq_ret != MTK_JPEG_DEC_RESULT_EOF_DONE) - return IRQ_NONE; - ctx = v4l2_m2m_get_curr_priv(master_jpeg->m2m_dev); - if (!ctx) { - dev_err(jpeg->dev, "Context is NULL\n"); - return IRQ_HANDLED; - } + if (dec_irq_ret != MTK_JPEG_DEC_RESULT_EOF_DONE) + dev_warn(jpeg->dev, "Jpg Dec occurs unknown Err."); - src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); - dst_buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); - v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true); jpeg_src_buf = container_of(src_buf, struct mtk_jpeg_src_buf, b); @@ -498,11 +499,14 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) jpeg_src_buf->dec_param.comp_size[i]); 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(master_jpeg->m2m_dev, ctx->fh.m2m_ctx); pm_runtime_put(ctx->jpeg->dev); + clk_disable_unprepare(jpeg->jdec_clk.clks->clk); + + jpeg->hw_state = MTK_JPEG_HW_IDLE; + wake_up(&master_jpeg->dec_hw_wq); + atomic_inc(&master_jpeg->dechw_rdy); return IRQ_HANDLED; } @@ -557,8 +561,19 @@ static int mtk_jpegdec_hw_probe(struct platform_device *pdev) master_dev->is_jpgdec_multihw = true; for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) master_dev->dec_hw_dev[i] = NULL; + + init_waitqueue_head(&master_dev->dec_hw_wq); + master_dev->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, + WQ_MEM_RECLAIM + | WQ_FREEZABLE); + if (!master_dev->workqueue) + return -EINVAL; } + atomic_set(&master_dev->dechw_rdy, MTK_JPEGDEC_HW_MAX); + spin_lock_init(&dev->hw_lock); + dev->hw_state = MTK_JPEG_HW_IDLE; + INIT_DELAYED_WORK(&dev->job_timeout_work, mtk_jpegdec_timeout_work);