[PATCH 2/3] media: mtk-jpegenc: use component framework to manage jpg HW
Dafna Hirschfeld
dafna.hirschfeld at collabora.com
Tue Jun 29 00:33:12 PDT 2021
Hi kyrie.wu,
It seems that this patch is not rebased on top of media_tree repo. So it will be difficutl to apply.
Also, I sent a bug fix a while ago '[PATCH] media: mtk-jpeg: fix setting plane paylod'
Could you please review it?
Thanks,
Dafna
On 23.06.21 09:05, kyrie.wu wrote:
> Mtk jpeg encoder has several hardware, one HW may register a device
> node; use component framework to manage jpg HW device node,
> in this case, one device node could represent all jpg HW.
>
> Signed-off-by: kyrie.wu <kyrie.wu at mediatek.com>
> ---
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 467 ++++++++++++++++++----
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h | 80 +++-
> drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c | 209 ++++++++++
> 3 files changed, 670 insertions(+), 86 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> index 88a23bc..c84815a 100644
> --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> @@ -23,6 +23,7 @@
> #include <media/videobuf2-core.h>
> #include <media/videobuf2-dma-contig.h>
> #include <soc/mediatek/smi.h>
> +#include <linux/component.h>
>
> #include "mtk_jpeg_enc_hw.h"
> #include "mtk_jpeg_dec_hw.h"
> @@ -106,10 +107,45 @@ 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)
>
> +/*
> + * mtk_jpeg_enc_param: General jpeg encoding parameters
> + * @enc_w: image width
> + * @enc_h: image height
> + * @enable_exif: EXIF enable for jpeg encode mode
> + * @enc_quality: destination image quality in encode mode
> + * @enc_format: input image format
> + * @restart_interval: JPEG restart interval for JPEG encoding
> + * @img_stride: jpeg encoder image stride
> + * @mem_stride: jpeg encoder memory stride
> + * @total_encdu: total 8x8 block number
> + */
> +struct mtk_jpeg_enc_param {
> + u32 enc_w;
> + u32 enc_h;
> + u32 enable_exif;
> + u32 enc_quality;
> + u32 enc_format;
> + u32 restart_interval;
> + u32 img_stride;
> + u32 mem_stride;
> + u32 total_encdu;
> +};
> +
> struct mtk_jpeg_src_buf {
> struct vb2_v4l2_buffer b;
> struct list_head list;
> + u32 frame_num;
> + u32 bs_size;
> + int flags;
> struct mtk_jpeg_dec_param dec_param;
> +
> + struct mtk_jpeg_enc_param enc_param;
> + struct mtk_jpeg_ctx *curr_ctx;
> +};
> +
> +enum {
> + MTK_JPEG_BUF_FLAGS_INIT = 0,
> + MTK_JPEG_BUF_FLAGS_LAST_FRAME = 1,
> };
>
> static int debug;
> @@ -1053,8 +1089,32 @@ static int mtk_jpeg_queue_init(void *priv, struct vb2_queue *src_vq,
>
> static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg)
> {
> - int ret;
> -
> + struct mtk_jpeg_dev *comp_dev;
> + struct mtk_jpegenc_pm *pm;
> + struct mtk_jpegenc_clk *jpegclk;
> + struct mtk_jpegenc_clk_info *clk_info;
> + int ret, i;
> +
> + if (jpeg->variant->is_encoder) {
> + for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) {
> + comp_dev = jpeg->hw_dev[i];
> + if (!comp_dev) {
> + pr_err("Failed to get hw dev\n");
> + return;
> + }
> +
> + pm = &comp_dev->pm;
> + jpegclk = &pm->venc_clk;
> + clk_info = jpegclk->clk_info;
> + ret = clk_prepare_enable(clk_info->jpegenc_clk);
> + if (ret) {
> + pr_err("jpegenc clk_prepare_enable %d %s fail\n",
> + i, jpegclk->clk_info->clk_name);
> + return;
> + }
> + }
> + return;
> + }
> ret = mtk_smi_larb_get(jpeg->larb);
> if (ret)
> dev_err(jpeg->dev, "mtk_smi_larb_get larbvdec fail %d\n", ret);
> @@ -1067,59 +1127,30 @@ static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg)
>
> static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg)
> {
> + struct mtk_jpeg_dev *comp_dev;
> + struct mtk_jpegenc_pm *pm;
> + struct mtk_jpegenc_clk *jpegclk;
> + int i;
> +
> + if (jpeg->variant->is_encoder) {
> + for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) {
> + comp_dev = jpeg->hw_dev[i];
> + if (!comp_dev) {
> + pr_err("Failed to get hw dev\n");
> + return;
> + }
> +
> + pm = &comp_dev->pm;
> + jpegclk = &pm->venc_clk;
> + clk_disable_unprepare(jpegclk->clk_info->jpegenc_clk);
> + }
> + return;
> + }
> clk_bulk_disable_unprepare(jpeg->variant->num_clks,
> jpeg->variant->clks);
> 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;
> @@ -1313,6 +1344,138 @@ static int mtk_jpeg_clk_init(struct mtk_jpeg_dev *jpeg)
> return 0;
> }
>
> +void mtk_jpeg_put_buf(struct mtk_jpeg_dev *jpeg)
> +{
> + struct mtk_jpeg_ctx *ctx = NULL;
> + struct vb2_v4l2_buffer *dst_buffer = NULL;
> + struct list_head *temp_entry = NULL;
> + struct list_head *pos = NULL;
> + struct mtk_jpeg_src_buf *dst_done_buf = NULL, *tmp_dst_done_buf = NULL;
> + unsigned long flags;
> +
> + ctx = jpeg->hw_param.curr_ctx;
> + if (!ctx) {
> + pr_err("%s : %d, comp_jpeg ctx fail !!!\n", __func__, __LINE__);
> + return;
> + }
> +
> + dst_buffer = jpeg->hw_param.dst_buffer;
> + if (!dst_buffer) {
> + pr_err("%s : %d, comp_jpeg dst_buffer fail !!!\n",
> + __func__, __LINE__);
> + return;
> + }
> +
> + dst_done_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buffer->vb2_buf);
> +
> + spin_lock_irqsave(&ctx->done_queue_lock, flags);
> + list_add_tail(&dst_done_buf->list, &ctx->dst_done_queue);
> + while (!list_empty(&ctx->dst_done_queue) &&
> + (pos != &ctx->dst_done_queue)) {
> + list_for_each_prev_safe(pos, temp_entry,
> + (&ctx->dst_done_queue)) {
> + tmp_dst_done_buf = list_entry(pos,
> + struct mtk_jpeg_src_buf,
> + list);
> + if (tmp_dst_done_buf->frame_num ==
> + ctx->last_done_frame_num) {
> + list_del(&tmp_dst_done_buf->list);
> + v4l2_m2m_buf_done(&tmp_dst_done_buf->b,
> + VB2_BUF_STATE_DONE);
> + ctx->last_done_frame_num++;
> + }
> + }
> + }
> + spin_unlock_irqrestore(&ctx->done_queue_lock, flags);
> +}
> +
> +irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv)
> +{
> + struct mtk_jpeg_dev *jpeg = priv;
> + struct mtk_jpeg_ctx *ctx;
> + struct mtk_jpeg_dev *master_jpeg;
> + struct vb2_v4l2_buffer *src_buf, *dst_buf;
> + struct mtk_jpeg_src_buf *jpeg_dst_buf;
> +
> + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
> + u32 result_size;
> + u32 irq_status;
> +
> + cancel_delayed_work(&jpeg->job_timeout_work);
> +
> + src_buf = jpeg->hw_param.src_buffer;
> + dst_buf = jpeg->hw_param.dst_buffer;
> + ctx = jpeg->hw_param.curr_ctx;
> + master_jpeg = ctx->jpeg;
> + jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf);
> + irq_status = readl(jpeg->reg_base[MTK_JPEGENC_HW0] + JPEG_ENC_INT_STS) &
> + JPEG_ENC_INT_STATUS_MASK_ALLIRQ;
> + if (irq_status)
> + writel(0, jpeg->reg_base[MTK_JPEGENC_HW0] + JPEG_ENC_INT_STS);
> + if (!(irq_status & JPEG_ENC_INT_STATUS_DONE)) {
> + pr_err("%s : %d, jpeg encode failed\n", __func__, __LINE__);
> + goto irq_end;
> + }
> +
> + result_size = mtk_jpeg_enc_get_file_size(jpeg->reg_base[0]);
> + vb2_set_plane_payload(&dst_buf->vb2_buf, 0, result_size);
> +
> + buf_state = VB2_BUF_STATE_DONE;
> +
> +irq_end:
> + v4l2_m2m_buf_done(src_buf, buf_state);
> + mtk_jpeg_put_buf(jpeg);
> + pm_runtime_put(jpeg->pm.dev);
> + clk_disable_unprepare(jpeg->pm.venc_clk.clk_info->jpegenc_clk);
> + if (ctx->fh.m2m_ctx &&
> + (!list_empty(&ctx->fh.m2m_ctx->out_q_ctx.rdy_queue) ||
> + !list_empty(&ctx->fh.m2m_ctx->cap_q_ctx.rdy_queue))) {
> + queue_work(master_jpeg->workqueue, &ctx->jpeg_work);
> + }
> +
> + jpeg->hw_state = MTK_JPEG_HW_IDLE;
> + wake_up(&master_jpeg->hw_wq);
> + atomic_inc(&jpeg->hw_rdy);
> + return IRQ_HANDLED;
> +}
> +
> +void mtk_jpegenc_timeout_work(struct work_struct *work)
> +{
> + struct mtk_jpeg_dev *jpeg = container_of(work, struct mtk_jpeg_dev,
> + job_timeout_work.work);
> + struct mtk_jpeg_ctx *ctx = NULL;
> + struct mtk_jpeg_dev *master_jpeg;
> + struct vb2_v4l2_buffer *src_buf, *dst_buf;
> + struct mtk_jpeg_src_buf *jpeg_src_buf, *jpeg_dst_buf;
> + enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
> +
> + src_buf = jpeg->hw_param.src_buffer;
> + dst_buf = jpeg->hw_param.dst_buffer;
> + ctx = jpeg->hw_param.curr_ctx;
> + if (!ctx) {
> + v4l2_err(&jpeg->v4l2_dev, "Context is NULL\n");
> + return;
> + }
> +
> + master_jpeg = ctx->jpeg;
> + if (!master_jpeg) {
> + v4l2_err(&jpeg->v4l2_dev, "master_jpeg is NULL\n");
> + return;
> + }
> +
> + jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf);
> + jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf);
> +
> + mtk_jpeg_enc_reset(jpeg->reg_base[MTK_JPEGENC_HW0]);
> + pm_runtime_put(jpeg->pm.dev);
> + clk_disable_unprepare(jpeg->pm.venc_clk.clk_info->jpegenc_clk);
> + jpeg->hw_state = MTK_JPEG_HW_IDLE;
> + atomic_inc(&jpeg->hw_rdy);
> + wake_up(&master_jpeg->hw_wq);
> + v4l2_m2m_buf_done(src_buf, buf_state);
> + mtk_jpeg_put_buf(jpeg);
> +}
> +
> static void mtk_jpeg_job_timeout_work(struct work_struct *work)
> {
> struct mtk_jpeg_dev *jpeg = container_of(work, struct mtk_jpeg_dev,
> @@ -1338,12 +1501,99 @@ static inline void mtk_jpeg_clk_release(struct mtk_jpeg_dev *jpeg)
> put_device(jpeg->larb);
> }
>
> +static const struct of_device_id mtk_jpegenc_drv_ids[] = {
> + {
> + .compatible = "mediatek,mt8195-jpgenc0",
> + .data = (void *)MTK_JPEGENC_HW0,
> + },
> + {
> + .compatible = "mediatek,mt8195-jpgenc1",
> + .data = (void *)MTK_JPEGENC_HW1,
> + },
> + {},
> +};
> +
> +static inline int mtk_vdec_compare_of(struct device *dev, void *data)
> +{
> + return dev->of_node == data;
> +}
> +
> +static inline void mtk_vdec_release_of(struct device *dev, void *data)
> +{
> + of_node_put(data);
> +}
> +
> +static inline int mtk_jpegenc_bind(struct device *dev)
> +{
> + struct mtk_jpeg_dev *data = dev_get_drvdata(dev);
> +
> + return component_bind_all(dev, data);
> +}
> +
> +static inline void mtk_jpegenc_unbind(struct device *dev)
> +{
> + struct mtk_jpeg_dev *data = dev_get_drvdata(dev);
> +
> + component_unbind_all(dev, data);
> +}
> +
> +static const struct component_master_ops mtk_jpegenc_ops = {
> + .bind = mtk_jpegenc_bind,
> + .unbind = mtk_jpegenc_unbind,
> +};
> +
> +struct component_match *mtk_jpegenc_match_add(struct mtk_jpeg_dev *jpeg)
> +{
> + struct device *dev = jpeg->dev;
> + struct component_match *match = NULL;
> + int i;
> + char compatible[128] = {0};
> +
> + for (i = 0; i < ARRAY_SIZE(mtk_jpegenc_drv_ids); i++) {
> + struct device_node *comp_node;
> + enum mtk_jpegenc_hw_id comp_idx;
> + const struct of_device_id *of_id;
> +
> + memcpy(compatible, mtk_jpegenc_drv_ids[i].compatible,
> + sizeof(mtk_jpegenc_drv_ids[i].compatible));
> +
> + comp_node = of_find_compatible_node(NULL, NULL,
> + compatible);
> + if (!comp_node)
> + continue;
> +
> + if (!of_device_is_available(comp_node)) {
> + of_node_put(comp_node);
> + v4l2_err(&jpeg->v4l2_dev, "Fail to get jpeg enc HW node\n");
> + continue;
> + }
> +
> + of_id = of_match_node(mtk_jpegenc_drv_ids, comp_node);
> + if (!of_id) {
> + v4l2_err(&jpeg->v4l2_dev, "Failed to get match node\n");
> + return ERR_PTR(-EINVAL);
> + }
> +
> + comp_idx = (enum mtk_jpegenc_hw_id)of_id->data;
> + v4l2_info(&jpeg->v4l2_dev, "Get component:hw_id(%d),jpeg_dev(0x%p),comp_node(0x%p)\n",
> + comp_idx, jpeg, comp_node);
> +
> + jpeg->component_node[comp_idx] = comp_node;
> +
> + component_match_add_release(dev, &match, mtk_vdec_release_of,
> + mtk_vdec_compare_of, comp_node);
> + }
> +
> + return match;
> +}
> +
> static int mtk_jpeg_probe(struct platform_device *pdev)
> {
> struct mtk_jpeg_dev *jpeg;
> struct resource *res;
> int jpeg_irq;
> int ret;
> + struct component_match *match;
>
> jpeg = devm_kzalloc(&pdev->dev, sizeof(*jpeg), GFP_KERNEL);
> if (!jpeg)
> @@ -1355,31 +1605,47 @@ static int mtk_jpeg_probe(struct platform_device *pdev)
> jpeg->variant = of_device_get_match_data(jpeg->dev);
> INIT_DELAYED_WORK(&jpeg->job_timeout_work, mtk_jpeg_job_timeout_work);
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - jpeg->reg_base = devm_ioremap_resource(&pdev->dev, res);
> - if (IS_ERR(jpeg->reg_base)) {
> - ret = PTR_ERR(jpeg->reg_base);
> - return ret;
> - }
> + if (!jpeg->variant->is_encoder) {
> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + jpeg->reg_base[MTK_JPEGENC_HW0] =
> + devm_ioremap_resource(&pdev->dev, res);
> + if (IS_ERR(jpeg->reg_base[MTK_JPEGENC_HW0])) {
> + ret = PTR_ERR(jpeg->reg_base[MTK_JPEGENC_HW0]);
> + return ret;
> + }
>
> - jpeg_irq = platform_get_irq(pdev, 0);
> - if (jpeg_irq < 0) {
> - dev_err(&pdev->dev, "Failed to get jpeg_irq %d.\n", jpeg_irq);
> - return jpeg_irq;
> - }
> + jpeg_irq = platform_get_irq(pdev, 0);
> + if (jpeg_irq < 0) {
> + dev_err(&pdev->dev, "Failed to get jpeg_irq %d.\n",
> + jpeg_irq);
> + return jpeg_irq;
> + }
>
> - ret = devm_request_irq(&pdev->dev, jpeg_irq,
> - jpeg->variant->irq_handler, 0, pdev->name, jpeg);
> - if (ret) {
> - dev_err(&pdev->dev, "Failed to request jpeg_irq %d (%d)\n",
> - jpeg_irq, ret);
> - goto err_req_irq;
> - }
> + ret = devm_request_irq(&pdev->dev, jpeg_irq,
> + jpeg->variant->irq_handler,
> + 0, pdev->name, jpeg);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to request jpeg_irq %d (%d)\n",
> + jpeg_irq, ret);
> + goto err_req_irq;
> + }
>
> - ret = mtk_jpeg_clk_init(jpeg);
> - if (ret) {
> - dev_err(&pdev->dev, "Failed to init clk, err %d\n", ret);
> - goto err_clk_init;
> + ret = mtk_jpeg_clk_init(jpeg);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to init clk\n");
> + goto err_clk_init;
> + }
> + } else {
> + init_waitqueue_head(&jpeg->hw_wq);
> +
> + jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME,
> + WQ_MEM_RECLAIM |
> + WQ_FREEZABLE);
> + if (!jpeg->workqueue) {
> + dev_err(&pdev->dev, "Failed to create jpeg workqueue!\n");
> + ret = -EINVAL;
> + goto err_alloc_workqueue;
> + }
> }
>
> ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev);
> @@ -1390,7 +1656,6 @@ static int mtk_jpeg_probe(struct platform_device *pdev)
> }
>
> jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops);
> -
> if (IS_ERR(jpeg->m2m_dev)) {
> v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n");
> ret = PTR_ERR(jpeg->m2m_dev);
> @@ -1422,13 +1687,26 @@ static int mtk_jpeg_probe(struct platform_device *pdev)
>
> video_set_drvdata(jpeg->vdev, jpeg);
> v4l2_info(&jpeg->v4l2_dev,
> - "%s device registered as /dev/video%d (%d,%d)\n",
> - jpeg->variant->dev_name, jpeg->vdev->num,
> - VIDEO_MAJOR, jpeg->vdev->minor);
> + "%s device registered as /dev/video%d (%d,%d)\n",
> + jpeg->variant->dev_name, jpeg->vdev->num,
> + VIDEO_MAJOR, jpeg->vdev->minor);
>
> platform_set_drvdata(pdev, jpeg);
>
> - pm_runtime_enable(&pdev->dev);
> + if (jpeg->variant->is_encoder) {
> + match = mtk_jpegenc_match_add(jpeg);
> + if (IS_ERR_OR_NULL(match))
> + goto err_vfd_jpeg_register;
> +
> + video_set_drvdata(jpeg->vdev, jpeg);
> + platform_set_drvdata(pdev, jpeg);
> + ret = component_master_add_with_match(&pdev->dev,
> + &mtk_jpegenc_ops, match);
> + if (ret < 0)
> + goto err_vfd_jpeg_register;
> + } else {
> + pm_runtime_enable(&pdev->dev);
> + }
>
> return 0;
>
> @@ -1446,6 +1724,8 @@ static int mtk_jpeg_probe(struct platform_device *pdev)
>
> err_clk_init:
>
> +err_alloc_workqueue:
> +
> err_req_irq:
>
> return ret;
> @@ -1461,6 +1741,8 @@ static int mtk_jpeg_remove(struct platform_device *pdev)
> v4l2_m2m_release(jpeg->m2m_dev);
> v4l2_device_unregister(&jpeg->v4l2_dev);
> mtk_jpeg_clk_release(jpeg);
> + flush_workqueue(jpeg->workqueue);
> + destroy_workqueue(jpeg->workqueue);
>
> return 0;
> }
> @@ -1524,13 +1806,13 @@ 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 = {
> +static const struct mtk_jpeg_variant mtk_jpegenc_drvdata = {
> + .is_encoder = true,
> .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",
> @@ -1540,6 +1822,9 @@ static const struct mtk_jpeg_variant mtk_jpeg_drvdata = {
> };
>
> static const struct of_device_id mtk_jpeg_match[] = {
> + { .compatible = "mediatek,mt8195-jpgenc",
> + .data = &mtk_jpegenc_drvdata,
> + },
> {
> .compatible = "mediatek,mt8173-jpgdec",
> .data = &mt8173_jpeg_drvdata,
> @@ -1548,10 +1833,6 @@ 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,
> - },
> {},
> };
>
> @@ -1567,7 +1848,25 @@ static struct platform_driver mtk_jpeg_driver = {
> },
> };
>
> -module_platform_driver(mtk_jpeg_driver);
> +static struct platform_driver * const mtk_jpeg_source_drivers[] = {
> + &mtk_jpegenc_hw_driver,
> + &mtk_jpeg_driver,
> +};
> +
> +static int __init mtk_jpeg_init(void)
> +{
> + return platform_register_drivers(mtk_jpeg_source_drivers,
> + ARRAY_SIZE(mtk_jpeg_source_drivers));
> +}
> +
> +static void __exit mtk_jpeg_exit(void)
> +{
> + platform_unregister_drivers(mtk_jpeg_source_drivers,
> + ARRAY_SIZE(mtk_jpeg_source_drivers));
> +}
> +
> +module_init(mtk_jpeg_init);
> +module_exit(mtk_jpeg_exit);
>
> MODULE_DESCRIPTION("MediaTek JPEG codec driver");
> MODULE_LICENSE("GPL v2");
> diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
> index 595f7f1..d4259f9 100644
> --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
> +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
> @@ -60,6 +60,7 @@ enum mtk_jpeg_ctx_state {
> * @cap_q_default_fourcc: capture queue default fourcc
> */
> struct mtk_jpeg_variant {
> + bool is_encoder;
> struct clk_bulk_data *clks;
> int num_clks;
> struct mtk_jpeg_fmt *formats;
> @@ -74,6 +75,52 @@ struct mtk_jpeg_variant {
> u32 cap_q_default_fourcc;
> };
>
> +struct mtk_jpeg_hw_param {
> + struct vb2_v4l2_buffer *src_buffer;
> + struct vb2_v4l2_buffer *dst_buffer;
> + struct mtk_jpeg_ctx *curr_ctx;
> +};
> +
> +enum mtk_jpeg_hw_state {
> + MTK_JPEG_HW_IDLE = 0,
> + MTK_JPEG_HW_BUSY = 1,
> +};
> +
> +enum mtk_jpegenc_hw_id {
> + MTK_JPEGENC_HW0,
> + MTK_JPEGENC_HW1,
> + MTK_JPEGENC_HW_MAX,
> +};
> +
> +/** * enum mtk_hw_idx - MTK hw index */
> +enum mtk_jpeghw_idx {
> + JPEGENC_HW0,
> + JPEGENC_HW1,
> + JPEGDEC_HW0,
> + JPEGDEC_HW1,
> + JPEGDEC_HW2,
> + NUM_MAX_JPEG_HW,
> +};
> +
> +/** * struct mtk_jpegenc_clk_info - Structure used to store clock name */
> +struct mtk_jpegenc_clk_info {
> + const char *clk_name;
> + struct clk *jpegenc_clk;
> +};
> +
> +/* struct mtk_vcodec_clk - Structure used to store vcodec clock information */
> +struct mtk_jpegenc_clk {
> + struct mtk_jpegenc_clk_info *clk_info;
> + int clk_num;
> +};
> +
> +/** * struct mtk_vcodec_pm - Power management data structure */
> +struct mtk_jpegenc_pm {
> + struct mtk_jpegenc_clk venc_clk;
> + struct device *dev;
> + struct mtk_jpeg_dev *mtkdev;
> +};
> +
> /**
> * struct mtk_jpeg_dev - JPEG IP abstraction
> * @lock: the mutex protecting this structure
> @@ -88,6 +135,8 @@ struct mtk_jpeg_variant {
> * @larb: SMI device
> * @job_timeout_work: IRQ timeout structure
> * @variant: driver variant to be used
> + * @irqlock: spinlock protecting for irq
> + * @dev_mutex: the mutex protecting for device
> */
> struct mtk_jpeg_dev {
> struct mutex lock;
> @@ -98,12 +147,29 @@ struct mtk_jpeg_dev {
> struct v4l2_m2m_dev *m2m_dev;
> void *alloc_ctx;
> struct video_device *vdev;
> - void __iomem *reg_base;
> struct device *larb;
> - struct delayed_work job_timeout_work;
> const struct mtk_jpeg_variant *variant;
> +
> + struct clk *clk_jpeg;
> + struct delayed_work job_timeout_work;
> + struct platform_device *plat_dev;
> + spinlock_t irqlock; /* spinlock protecting for irq */
> + struct mutex dev_mutex; /* the mutex protecting for device */
> + void __iomem *reg_base[NUM_MAX_JPEG_HW];
> + int jpegenc_irq;
> + struct mtk_jpeg_dev *hw_dev[NUM_MAX_JPEG_HW];
> + struct device_node *component_node[NUM_MAX_JPEG_HW];
> + int comp_idx;
> + struct mtk_jpegenc_pm pm;
> + struct mtk_jpeg_ctx *curr_ctx;
> + enum mtk_jpeg_hw_state hw_state;
> + struct mtk_jpeg_hw_param hw_param;
> + wait_queue_head_t hw_wq;
> + atomic_t hw_rdy;
> };
>
> +extern struct platform_driver mtk_jpegenc_hw_driver;
> +
> /**
> * struct mtk_jpeg_fmt - driver's internal color format data
> * @fourcc: the fourcc code, 0 if not applicable
> @@ -149,6 +215,7 @@ struct mtk_jpeg_q_data {
> * @enc_quality: jpeg encoder quality
> * @restart_interval: jpeg encoder restart interval
> * @ctrl_hdl: controls handler
> + * @done_queue_lock: spinlock protecting for buffer done queue
> */
> struct mtk_jpeg_ctx {
> struct mtk_jpeg_dev *jpeg;
> @@ -160,6 +227,15 @@ struct mtk_jpeg_ctx {
> u8 enc_quality;
> u8 restart_interval;
> struct v4l2_ctrl_handler ctrl_hdl;
> +
> + struct list_head dst_done_queue;
> + spinlock_t done_queue_lock; /* spinlock protecting done queue */
> + u32 total_frame_num;
> + u32 last_done_frame_num;
> + struct work_struct jpeg_work;
> };
>
> +void mtk_jpegenc_timeout_work(struct work_struct *work);
> +irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv);
> +
> #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
> index 1cf037b..d44101e 100644
> --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c
> +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c
> @@ -9,8 +9,20 @@
> #include <linux/kernel.h>
> #include <media/videobuf2-core.h>
> #include <media/videobuf2-dma-contig.h>
> +#include <linux/interrupt.h>
> +#include <linux/irq.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
> +#include <linux/slab.h>
> +#include <linux/component.h>
> +#include <linux/clk.h>
> +#include <linux/pm_runtime.h>
> +
>
> #include "mtk_jpeg_enc_hw.h"
> +#include "mtk_jpeg_core.h"
> +
>
> static const struct mtk_jpeg_enc_qlt mtk_jpeg_enc_quality[] = {
> {.quality_param = 34, .hardware_value = JPEG_ENC_QUALITY_Q34},
> @@ -30,6 +42,99 @@ static const struct mtk_jpeg_enc_qlt mtk_jpeg_enc_quality[] = {
> {.quality_param = 97, .hardware_value = JPEG_ENC_QUALITY_Q97},
> };
>
> +typedef irqreturn_t (*jpegenc_irq_handler)(int irq, void *priv);
> +
> +static int mtk_jpegenc_hw_bind(struct device *dev,
> + struct device *master, void *data)
> +{
> + struct mtk_jpeg_dev *comp_priv = dev_get_drvdata(dev);
> + struct mtk_jpeg_dev *master_priv = data;
> + int i;
> +
> + for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) {
> + if (dev->of_node != master_priv->component_node[i])
> + continue;
> + master_priv->hw_dev[i] = comp_priv;
> + comp_priv->comp_idx = i;
> + master_priv->reg_base[i] = comp_priv->reg_base[MTK_JPEGENC_HW0];
> + break;
> + }
> + if (i == MTK_JPEGENC_HW_MAX) {
> + dev_err(dev, "Failed to get component node\n");
> + return -EINVAL;
> + }
> + return 0;
> +}
> +
> +static void mtk_jpegenc_hw_unbind(struct device *dev,
> + struct device *master, void *data)
> +{
> + struct mtk_jpeg_dev *comp_priv = dev_get_drvdata(dev);
> +
> + comp_priv->reg_base[MTK_JPEGENC_HW0] = 0;
> +}
> +
> +static const struct component_ops mtk_jpegenc_hw_component_ops = {
> + .bind = mtk_jpegenc_hw_bind,
> + .unbind = mtk_jpegenc_hw_unbind,
> +};
> +
> +int mtk_jpegenc_init_pm(struct mtk_jpeg_dev *mtkdev)
> +{
> + struct platform_device *pdev;
> + struct mtk_jpegenc_pm *pm;
> + struct mtk_jpegenc_clk *jpegenc_clk;
> + struct mtk_jpegenc_clk_info *clk_info;
> + int i = 0, ret = 0;
> +
> + pdev = mtkdev->plat_dev;
> + pm = &mtkdev->pm;
> + pm->mtkdev = mtkdev;
> +
> + jpegenc_clk = &pm->venc_clk;
> + pm->dev = &pdev->dev;
> + jpegenc_clk->clk_num =
> + of_property_count_strings(pdev->dev.of_node, "clock-names");
> + if (jpegenc_clk->clk_num > 0) {
> + jpegenc_clk->clk_info = devm_kcalloc(&pdev->dev,
> + jpegenc_clk->clk_num,
> + sizeof(*clk_info),
> + GFP_KERNEL);
> + if (!jpegenc_clk->clk_info)
> + return -ENOMEM;
> + } else {
> + pr_err("Failed to get jpegenc clock count\n");
> + return -EINVAL;
> + }
> +
> + for (i = 0; i < jpegenc_clk->clk_num; i++) {
> + clk_info = &jpegenc_clk->clk_info[i];
> + ret = of_property_read_string_index(pdev->dev.of_node,
> + "clock-names", i,
> + &clk_info->clk_name);
> + if (ret) {
> + pr_err("Failed to get jpegenc clock name id = %d", i);
> + return ret;
> + }
> +
> + clk_info->jpegenc_clk = devm_clk_get(&pdev->dev,
> + clk_info->clk_name);
> + if (IS_ERR(clk_info->jpegenc_clk)) {
> + pr_err("devm_clk_get (%d)%s fail",
> + i, clk_info->clk_name);
> + return PTR_ERR(clk_info->jpegenc_clk);
> + }
> + }
> +
> + pm_runtime_enable(&pdev->dev);
> + return ret;
> +}
> +
> +void mtk_jpegenc_release_pm(struct mtk_jpeg_dev *dev)
> +{
> + pm_runtime_disable(dev->pm.dev);
> +}
> +
> void mtk_jpeg_enc_reset(void __iomem *base)
> {
> writel(0, base + JPEG_ENC_RSTB);
> @@ -152,3 +257,107 @@ void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx, void __iomem *base)
>
> writel(ctx->restart_interval, base + JPEG_ENC_RST_MCU_NUM);
> }
> +
> +static int mtk_jpegenc_hw_init_irq(struct mtk_jpeg_dev *dev,
> + jpegenc_irq_handler irq_handler)
> +{
> + struct platform_device *pdev = dev->plat_dev;
> + int ret;
> +
> + dev->jpegenc_irq = platform_get_irq(pdev, 0);
> + if (dev->jpegenc_irq < 0) {
> + dev_err(&pdev->dev, "Failed to get irq resource");
> + return dev->jpegenc_irq;
> + }
> +
> + ret = devm_request_irq(&pdev->dev, dev->jpegenc_irq,
> + irq_handler, 0, pdev->name, dev);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to install dev->jpegenc_irq %d (%d)",
> + dev->jpegenc_irq, ret);
> +
> + return -ENOENT;
> + }
> +
> + //disable_irq(dev->jpegenc_irq);
> + return 0;
> +}
> +
> +static int mtk_jpegenc_hw_probe(struct platform_device *pdev)
> +{
> + struct mtk_jpeg_dev *dev;
> + jpegenc_irq_handler irq_handler;
> + int ret;
> +
> + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
> + if (!dev)
> + return -ENOMEM;
> + dev->plat_dev = pdev;
> + spin_lock_init(&dev->irqlock);
> + mutex_init(&dev->dev_mutex);
> + atomic_set(&dev->hw_rdy, 1U);
> + spin_lock_init(&dev->hw_lock);
> +
> + dev->hw_state = MTK_JPEG_HW_IDLE;
> + INIT_DELAYED_WORK(&dev->job_timeout_work, mtk_jpegenc_timeout_work);
> +
> + ret = mtk_jpegenc_init_pm(dev);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to get jpeg enc clock source");
> + return ret;
> + }
> +
> + dev->reg_base[MTK_JPEGENC_HW0] =
> + devm_platform_ioremap_resource(pdev, 0);
> + if (IS_ERR((__force void *)dev->reg_base[MTK_JPEGENC_HW0])) {
> + ret = PTR_ERR((__force void *)dev->reg_base[MTK_JPEGENC_HW0]);
> + goto err;
> + }
> +
> + irq_handler = of_device_get_match_data(&pdev->dev);
> + if (!irq_handler) {
> + dev_err(&pdev->dev, "Failed to get match data.\n");
> + goto err;
> + }
> +
> + ret = mtk_jpegenc_hw_init_irq(dev, irq_handler);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to register JPEGENC irq handler.\n");
> + goto err;
> + }
> +
> + platform_set_drvdata(pdev, dev);
> +
> + ret = component_add(&pdev->dev, &mtk_jpegenc_hw_component_ops);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to component_add: %d\n", ret);
> + goto err;
> + }
> +
> + return 0;
> +
> +err:
> + mtk_jpegenc_release_pm(dev);
> + return ret;
> +}
> +
> +static const struct of_device_id mtk_jpegenc_hw_ids[] = {
> + {
> + .compatible = "mediatek,mt8195-jpgenc0",
> + .data = mtk_jpegenc_hw_irq_handler,
> + },
> + { .compatible = "mediatek,mt8195-jpgenc1",
> + .data = mtk_jpegenc_hw_irq_handler,
> + },
> + {},
> +};
> +MODULE_DEVICE_TABLE(of, mtk_jpegenc_hw_ids);
> +
> +struct platform_driver mtk_jpegenc_hw_driver = {
> + .probe = mtk_jpegenc_hw_probe,
> + .driver = {
> + .name = "mtk-jpegenc-hw",
> + .of_match_table = mtk_jpegenc_hw_ids,
> + },
> +};
> +
>
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