From: kyrie.wu <kyrie.wu@mediatek.com> To: Hans Verkuil <hverkuil-cisco@xs4all.nl>, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Tomasz Figa <tfiga@chromium.org>, Matthias Brugger <matthias.bgg@gmail.com>, "Tzung-Bi Shih" <tzungbi@chromium.org> Cc: <Project_Global_Chrome_Upstream_Group@mediatek.com>, <linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>, <xia.jiang@mediatek.com>, <maoguang.meng@mediatek.com>, <srv_heupstream@mediatek.com>, <kyrie.wu@mediatek.com>, <irui.wang@mediatek.com> Subject: [PATCH V6, 2/5] media: mtk-jpegenc: manage jpegenc multi-hardware Date: Fri, 3 Dec 2021 11:13:47 +0800 [thread overview] Message-ID: <1638501230-13417-3-git-send-email-kyrie.wu@mediatek.com> (raw) In-Reply-To: <1638501230-13417-1-git-send-email-kyrie.wu@mediatek.com> manage each hardware information, including irq/clk/power. the hardware includes HW0 and HW1. Signed-off-by: kyrie.wu <kyrie.wu@mediatek.com> --- V6: use of_platform_populate to replace component framework to manage multi-hardware --- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 103 +++++++--- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h | 55 +++++ drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c | 232 +++++++++++++++++++++- 3 files changed, 362 insertions(+), 28 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index a89c7b2..da7eb84 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -1353,33 +1353,40 @@ static int mtk_jpeg_probe(struct platform_device *pdev) spin_lock_init(&jpeg->hw_lock); jpeg->dev = &pdev->dev; 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) { + INIT_DELAYED_WORK(&jpeg->job_timeout_work, + mtk_jpeg_job_timeout_work); - 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; - } + 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; + } - 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; - } + jpeg_irq = platform_get_irq(pdev, 0); + if (jpeg_irq < 0) { + dev_err(&pdev->dev, "Failed to get jpeg_irq.\n"); + return jpeg_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 = 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(%d)\n", ret); + goto err_clk_init; + } + + pm_runtime_enable(&pdev->dev); } ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); @@ -1426,9 +1433,16 @@ static int mtk_jpeg_probe(struct platform_device *pdev) jpeg->variant->dev_name, jpeg->vdev->num, VIDEO_MAJOR, jpeg->vdev->minor); - platform_set_drvdata(pdev, jpeg); + if (jpeg->variant->is_encoder) { + ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, + &pdev->dev); + if (ret) { + v4l2_err(&jpeg->v4l2_dev, "Master of platform populate failed."); + goto err_vfd_jpeg_register; + } + } - pm_runtime_enable(&pdev->dev); + platform_set_drvdata(pdev, jpeg); return 0; @@ -1539,6 +1553,19 @@ static const struct mtk_jpeg_variant mtk_jpeg_drvdata = { .cap_q_default_fourcc = V4L2_PIX_FMT_JPEG, }; +static const struct mtk_jpeg_variant mtk_jpegenc_drvdata = { + .is_encoder = true, + .formats = mtk_jpeg_enc_formats, + .num_formats = MTK_JPEG_ENC_NUM_FORMATS, + .qops = &mtk_jpeg_enc_qops, + .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, +}; + +#if defined(CONFIG_OF) static const struct of_device_id mtk_jpeg_match[] = { { .compatible = "mediatek,mt8173-jpgdec", @@ -1552,10 +1579,14 @@ static const struct of_device_id mtk_jpeg_match[] = { .compatible = "mediatek,mtk-jpgenc", .data = &mtk_jpeg_drvdata, }, + { + .compatible = "mediatek,mt8195-jpgenc", + .data = &mtk_jpegenc_drvdata, + }, {}, }; - MODULE_DEVICE_TABLE(of, mtk_jpeg_match); +#endif static struct platform_driver mtk_jpeg_driver = { .probe = mtk_jpeg_probe, @@ -1567,7 +1598,25 @@ 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..7d013de 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 +75,55 @@ struct mtk_jpeg_variant { u32 cap_q_default_fourcc; }; +enum mtk_jpegenc_hw_id { + MTK_JPEGENC_HW0, + MTK_JPEGENC_HW1, + MTK_JPEGENC_HW_MAX, +}; + +/** + * 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_jpegenc_comp_dev *mtkdev; +}; + +/** + * struct mtk_jpegenc_comp_dev - JPEG COREX abstraction + * @dev: JPEG device + * @plat_dev: platform device data + * @reg_base: JPEG registers mapping + * @master_dev: mtk_jpeg_dev device + * @pm: mtk_jpegenc_pm + * @jpegenc_irq: jpeg encode irq num + */ +struct mtk_jpegenc_comp_dev { + struct device *dev; + struct platform_device *plat_dev; + void __iomem *reg_base; + struct mtk_jpeg_dev *master_dev; + struct mtk_jpegenc_pm pm; + int jpegenc_irq; +}; + /** * struct mtk_jpeg_dev - JPEG IP abstraction * @lock: the mutex protecting this structure @@ -102,6 +152,9 @@ struct mtk_jpeg_dev { struct device *larb; struct delayed_work job_timeout_work; const struct mtk_jpeg_variant *variant; + + void __iomem *reg_encbase[MTK_JPEGENC_HW_MAX]; + struct mtk_jpegenc_comp_dev *enc_hw_dev[MTK_JPEGENC_HW_MAX]; }; /** @@ -162,4 +215,6 @@ struct mtk_jpeg_ctx { struct v4l2_ctrl_handler ctrl_hdl; }; +extern struct platform_driver mtk_jpegenc_hw_driver; + #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..4ccda1d 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c @@ -4,12 +4,27 @@ * Author: Xia Jiang <xia.jiang@mediatek.com> * */ - +#include <linux/clk.h> +#include <linux/interrupt.h> +#include <linux/irq.h> #include <linux/io.h> #include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <media/media-device.h> #include <media/videobuf2-core.h> #include <media/videobuf2-dma-contig.h> +#include <media/videobuf2-v4l2.h> +#include <media/v4l2-mem2mem.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-fh.h> +#include <media/v4l2-event.h> +#include "mtk_jpeg_core.h" #include "mtk_jpeg_enc_hw.h" static const struct mtk_jpeg_enc_qlt mtk_jpeg_enc_quality[] = { @@ -30,6 +45,21 @@ static const struct mtk_jpeg_enc_qlt mtk_jpeg_enc_quality[] = { {.quality_param = 97, .hardware_value = JPEG_ENC_QUALITY_Q97}, }; +#if defined(CONFIG_OF) +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, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, mtk_jpegenc_drv_ids); +#endif + void mtk_jpeg_enc_reset(void __iomem *base) { writel(0, base + JPEG_ENC_RSTB); @@ -152,3 +182,203 @@ 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 irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv) +{ + struct vb2_v4l2_buffer *src_buf, *dst_buf; + enum vb2_buffer_state buf_state; + struct mtk_jpeg_ctx *ctx; + u32 result_size; + u32 irq_status; + + struct mtk_jpegenc_comp_dev *jpeg = priv; + struct mtk_jpeg_dev *master_jpeg = jpeg->master_dev; + + 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 IRQ_NONE; + + ctx = v4l2_m2m_get_curr_priv(master_jpeg->m2m_dev); + if (!ctx) { + v4l2_err(&master_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(master_jpeg->m2m_dev, ctx->fh.m2m_ctx); + pm_runtime_put(ctx->jpeg->dev); + + return IRQ_HANDLED; +} + +static int mtk_jpegenc_hw_init_irq(struct mtk_jpegenc_comp_dev *dev) +{ + 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, + mtk_jpegenc_hw_irq_handler, 0, pdev->name, dev); + if (ret) { + dev_err(&pdev->dev, "Failed to devm_request_irq %d (%d)", + dev->jpegenc_irq, ret); + return -ENOENT; + } + + return 0; +} + +int mtk_jpegenc_init_pm(struct mtk_jpegenc_comp_dev *mtkdev) +{ + struct mtk_jpegenc_clk_info *clk_info; + struct mtk_jpegenc_clk *jpegenc_clk; + struct platform_device *pdev; + struct mtk_jpegenc_pm *pm; + int i, ret; + + pdev = mtkdev->plat_dev; + pm = &mtkdev->pm; + pm->dev = &pdev->dev; + pm->mtkdev = mtkdev; + jpegenc_clk = &pm->venc_clk; + jpegenc_clk->clk_num = + of_property_count_strings(pdev->dev.of_node, "clock-names"); + if (!jpegenc_clk->clk_num) { + dev_err(&pdev->dev, "Failed to get jpegenc clock count\n"); + return -EINVAL; + } + + jpegenc_clk->clk_info = devm_kcalloc(&pdev->dev, + jpegenc_clk->clk_num, + sizeof(*clk_info), + GFP_KERNEL); + if (!jpegenc_clk->clk_info) + return -ENOMEM; + + 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) { + dev_err(&pdev->dev, "Failed to get jpegenc clock name\n"); + return ret; + } + + clk_info->jpegenc_clk = devm_clk_get(&pdev->dev, + clk_info->clk_name); + if (IS_ERR(clk_info->jpegenc_clk)) { + dev_err(&pdev->dev, "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_jpegenc_comp_dev *mtkdev) +{ + struct platform_device *pdev = mtkdev->plat_dev; + + pm_runtime_disable(&pdev->dev); +} + +static int mtk_jpegenc_hw_probe(struct platform_device *pdev) +{ + struct mtk_jpeg_dev *master_dev; + const struct of_device_id *of_id; + struct mtk_jpegenc_comp_dev *dev; + int ret, comp_idx; + + struct device *decs = &pdev->dev; + + if (!decs->parent) + return -EPROBE_DEFER; + + master_dev = dev_get_drvdata(decs->parent); + if (!master_dev) + return -EPROBE_DEFER; + + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + dev->plat_dev = pdev; + + ret = mtk_jpegenc_init_pm(dev); + if (ret) { + dev_err(&pdev->dev, "Failed to get jpeg enc clock source"); + return ret; + } + + dev->reg_base = + devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(dev->reg_base)) { + ret = PTR_ERR(dev->reg_base); + goto err; + } + + ret = mtk_jpegenc_hw_init_irq(dev); + if (ret) { + dev_err(&pdev->dev, "Failed to register JPEGENC irq handler.\n"); + goto err; + } + + of_id = of_match_device(mtk_jpegenc_drv_ids, decs); + if (!of_id) { + dev_err(&pdev->dev, "Can't get vdec comp device id.\n"); + ret = -EINVAL; + goto err; + } + + comp_idx = (enum mtk_jpegenc_hw_id)of_id->data; + if (comp_idx < MTK_JPEGENC_HW_MAX) { + master_dev->enc_hw_dev[comp_idx] = dev; + master_dev->reg_encbase[comp_idx] = dev->reg_base; + dev->master_dev = master_dev; + } + + platform_set_drvdata(pdev, dev); + + return 0; + +err: + mtk_jpegenc_release_pm(dev); + return ret; +} + + +static int mtk_jpegenc_remove(struct platform_device *pdev) +{ + struct mtk_jpegenc_comp_dev *dev = platform_get_drvdata(pdev); + + mtk_jpegenc_release_pm(dev); + + return 0; +} + +struct platform_driver mtk_jpegenc_hw_driver = { + .probe = mtk_jpegenc_hw_probe, + .remove = mtk_jpegenc_remove, + .driver = { + .name = "mtk-jpegenc-hw", + .of_match_table = of_match_ptr(mtk_jpegenc_drv_ids), + }, +}; -- 2.6.4 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek
WARNING: multiple messages have this Message-ID (diff)
From: kyrie.wu <kyrie.wu@mediatek.com> To: Hans Verkuil <hverkuil-cisco@xs4all.nl>, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Tomasz Figa <tfiga@chromium.org>, Matthias Brugger <matthias.bgg@gmail.com>, "Tzung-Bi Shih" <tzungbi@chromium.org> Cc: <Project_Global_Chrome_Upstream_Group@mediatek.com>, <linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>, <xia.jiang@mediatek.com>, <maoguang.meng@mediatek.com>, <srv_heupstream@mediatek.com>, <kyrie.wu@mediatek.com>, <irui.wang@mediatek.com> Subject: [PATCH V6, 2/5] media: mtk-jpegenc: manage jpegenc multi-hardware Date: Fri, 3 Dec 2021 11:13:47 +0800 [thread overview] Message-ID: <1638501230-13417-3-git-send-email-kyrie.wu@mediatek.com> (raw) In-Reply-To: <1638501230-13417-1-git-send-email-kyrie.wu@mediatek.com> manage each hardware information, including irq/clk/power. the hardware includes HW0 and HW1. Signed-off-by: kyrie.wu <kyrie.wu@mediatek.com> --- V6: use of_platform_populate to replace component framework to manage multi-hardware --- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 103 +++++++--- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h | 55 +++++ drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c | 232 +++++++++++++++++++++- 3 files changed, 362 insertions(+), 28 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index a89c7b2..da7eb84 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -1353,33 +1353,40 @@ static int mtk_jpeg_probe(struct platform_device *pdev) spin_lock_init(&jpeg->hw_lock); jpeg->dev = &pdev->dev; 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) { + INIT_DELAYED_WORK(&jpeg->job_timeout_work, + mtk_jpeg_job_timeout_work); - 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; - } + 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; + } - 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; - } + jpeg_irq = platform_get_irq(pdev, 0); + if (jpeg_irq < 0) { + dev_err(&pdev->dev, "Failed to get jpeg_irq.\n"); + return jpeg_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 = 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(%d)\n", ret); + goto err_clk_init; + } + + pm_runtime_enable(&pdev->dev); } ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); @@ -1426,9 +1433,16 @@ static int mtk_jpeg_probe(struct platform_device *pdev) jpeg->variant->dev_name, jpeg->vdev->num, VIDEO_MAJOR, jpeg->vdev->minor); - platform_set_drvdata(pdev, jpeg); + if (jpeg->variant->is_encoder) { + ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, + &pdev->dev); + if (ret) { + v4l2_err(&jpeg->v4l2_dev, "Master of platform populate failed."); + goto err_vfd_jpeg_register; + } + } - pm_runtime_enable(&pdev->dev); + platform_set_drvdata(pdev, jpeg); return 0; @@ -1539,6 +1553,19 @@ static const struct mtk_jpeg_variant mtk_jpeg_drvdata = { .cap_q_default_fourcc = V4L2_PIX_FMT_JPEG, }; +static const struct mtk_jpeg_variant mtk_jpegenc_drvdata = { + .is_encoder = true, + .formats = mtk_jpeg_enc_formats, + .num_formats = MTK_JPEG_ENC_NUM_FORMATS, + .qops = &mtk_jpeg_enc_qops, + .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, +}; + +#if defined(CONFIG_OF) static const struct of_device_id mtk_jpeg_match[] = { { .compatible = "mediatek,mt8173-jpgdec", @@ -1552,10 +1579,14 @@ static const struct of_device_id mtk_jpeg_match[] = { .compatible = "mediatek,mtk-jpgenc", .data = &mtk_jpeg_drvdata, }, + { + .compatible = "mediatek,mt8195-jpgenc", + .data = &mtk_jpegenc_drvdata, + }, {}, }; - MODULE_DEVICE_TABLE(of, mtk_jpeg_match); +#endif static struct platform_driver mtk_jpeg_driver = { .probe = mtk_jpeg_probe, @@ -1567,7 +1598,25 @@ 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..7d013de 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 +75,55 @@ struct mtk_jpeg_variant { u32 cap_q_default_fourcc; }; +enum mtk_jpegenc_hw_id { + MTK_JPEGENC_HW0, + MTK_JPEGENC_HW1, + MTK_JPEGENC_HW_MAX, +}; + +/** + * 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_jpegenc_comp_dev *mtkdev; +}; + +/** + * struct mtk_jpegenc_comp_dev - JPEG COREX abstraction + * @dev: JPEG device + * @plat_dev: platform device data + * @reg_base: JPEG registers mapping + * @master_dev: mtk_jpeg_dev device + * @pm: mtk_jpegenc_pm + * @jpegenc_irq: jpeg encode irq num + */ +struct mtk_jpegenc_comp_dev { + struct device *dev; + struct platform_device *plat_dev; + void __iomem *reg_base; + struct mtk_jpeg_dev *master_dev; + struct mtk_jpegenc_pm pm; + int jpegenc_irq; +}; + /** * struct mtk_jpeg_dev - JPEG IP abstraction * @lock: the mutex protecting this structure @@ -102,6 +152,9 @@ struct mtk_jpeg_dev { struct device *larb; struct delayed_work job_timeout_work; const struct mtk_jpeg_variant *variant; + + void __iomem *reg_encbase[MTK_JPEGENC_HW_MAX]; + struct mtk_jpegenc_comp_dev *enc_hw_dev[MTK_JPEGENC_HW_MAX]; }; /** @@ -162,4 +215,6 @@ struct mtk_jpeg_ctx { struct v4l2_ctrl_handler ctrl_hdl; }; +extern struct platform_driver mtk_jpegenc_hw_driver; + #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..4ccda1d 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c @@ -4,12 +4,27 @@ * Author: Xia Jiang <xia.jiang@mediatek.com> * */ - +#include <linux/clk.h> +#include <linux/interrupt.h> +#include <linux/irq.h> #include <linux/io.h> #include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <media/media-device.h> #include <media/videobuf2-core.h> #include <media/videobuf2-dma-contig.h> +#include <media/videobuf2-v4l2.h> +#include <media/v4l2-mem2mem.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-fh.h> +#include <media/v4l2-event.h> +#include "mtk_jpeg_core.h" #include "mtk_jpeg_enc_hw.h" static const struct mtk_jpeg_enc_qlt mtk_jpeg_enc_quality[] = { @@ -30,6 +45,21 @@ static const struct mtk_jpeg_enc_qlt mtk_jpeg_enc_quality[] = { {.quality_param = 97, .hardware_value = JPEG_ENC_QUALITY_Q97}, }; +#if defined(CONFIG_OF) +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, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, mtk_jpegenc_drv_ids); +#endif + void mtk_jpeg_enc_reset(void __iomem *base) { writel(0, base + JPEG_ENC_RSTB); @@ -152,3 +182,203 @@ 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 irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv) +{ + struct vb2_v4l2_buffer *src_buf, *dst_buf; + enum vb2_buffer_state buf_state; + struct mtk_jpeg_ctx *ctx; + u32 result_size; + u32 irq_status; + + struct mtk_jpegenc_comp_dev *jpeg = priv; + struct mtk_jpeg_dev *master_jpeg = jpeg->master_dev; + + 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 IRQ_NONE; + + ctx = v4l2_m2m_get_curr_priv(master_jpeg->m2m_dev); + if (!ctx) { + v4l2_err(&master_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(master_jpeg->m2m_dev, ctx->fh.m2m_ctx); + pm_runtime_put(ctx->jpeg->dev); + + return IRQ_HANDLED; +} + +static int mtk_jpegenc_hw_init_irq(struct mtk_jpegenc_comp_dev *dev) +{ + 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, + mtk_jpegenc_hw_irq_handler, 0, pdev->name, dev); + if (ret) { + dev_err(&pdev->dev, "Failed to devm_request_irq %d (%d)", + dev->jpegenc_irq, ret); + return -ENOENT; + } + + return 0; +} + +int mtk_jpegenc_init_pm(struct mtk_jpegenc_comp_dev *mtkdev) +{ + struct mtk_jpegenc_clk_info *clk_info; + struct mtk_jpegenc_clk *jpegenc_clk; + struct platform_device *pdev; + struct mtk_jpegenc_pm *pm; + int i, ret; + + pdev = mtkdev->plat_dev; + pm = &mtkdev->pm; + pm->dev = &pdev->dev; + pm->mtkdev = mtkdev; + jpegenc_clk = &pm->venc_clk; + jpegenc_clk->clk_num = + of_property_count_strings(pdev->dev.of_node, "clock-names"); + if (!jpegenc_clk->clk_num) { + dev_err(&pdev->dev, "Failed to get jpegenc clock count\n"); + return -EINVAL; + } + + jpegenc_clk->clk_info = devm_kcalloc(&pdev->dev, + jpegenc_clk->clk_num, + sizeof(*clk_info), + GFP_KERNEL); + if (!jpegenc_clk->clk_info) + return -ENOMEM; + + 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) { + dev_err(&pdev->dev, "Failed to get jpegenc clock name\n"); + return ret; + } + + clk_info->jpegenc_clk = devm_clk_get(&pdev->dev, + clk_info->clk_name); + if (IS_ERR(clk_info->jpegenc_clk)) { + dev_err(&pdev->dev, "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_jpegenc_comp_dev *mtkdev) +{ + struct platform_device *pdev = mtkdev->plat_dev; + + pm_runtime_disable(&pdev->dev); +} + +static int mtk_jpegenc_hw_probe(struct platform_device *pdev) +{ + struct mtk_jpeg_dev *master_dev; + const struct of_device_id *of_id; + struct mtk_jpegenc_comp_dev *dev; + int ret, comp_idx; + + struct device *decs = &pdev->dev; + + if (!decs->parent) + return -EPROBE_DEFER; + + master_dev = dev_get_drvdata(decs->parent); + if (!master_dev) + return -EPROBE_DEFER; + + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + dev->plat_dev = pdev; + + ret = mtk_jpegenc_init_pm(dev); + if (ret) { + dev_err(&pdev->dev, "Failed to get jpeg enc clock source"); + return ret; + } + + dev->reg_base = + devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(dev->reg_base)) { + ret = PTR_ERR(dev->reg_base); + goto err; + } + + ret = mtk_jpegenc_hw_init_irq(dev); + if (ret) { + dev_err(&pdev->dev, "Failed to register JPEGENC irq handler.\n"); + goto err; + } + + of_id = of_match_device(mtk_jpegenc_drv_ids, decs); + if (!of_id) { + dev_err(&pdev->dev, "Can't get vdec comp device id.\n"); + ret = -EINVAL; + goto err; + } + + comp_idx = (enum mtk_jpegenc_hw_id)of_id->data; + if (comp_idx < MTK_JPEGENC_HW_MAX) { + master_dev->enc_hw_dev[comp_idx] = dev; + master_dev->reg_encbase[comp_idx] = dev->reg_base; + dev->master_dev = master_dev; + } + + platform_set_drvdata(pdev, dev); + + return 0; + +err: + mtk_jpegenc_release_pm(dev); + return ret; +} + + +static int mtk_jpegenc_remove(struct platform_device *pdev) +{ + struct mtk_jpegenc_comp_dev *dev = platform_get_drvdata(pdev); + + mtk_jpegenc_release_pm(dev); + + return 0; +} + +struct platform_driver mtk_jpegenc_hw_driver = { + .probe = mtk_jpegenc_hw_probe, + .remove = mtk_jpegenc_remove, + .driver = { + .name = "mtk-jpegenc-hw", + .of_match_table = of_match_ptr(mtk_jpegenc_drv_ids), + }, +}; -- 2.6.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-12-03 3:14 UTC|newest] Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-03 3:13 [PATCH V6, 0/5] Support multi-hardware jpeg encoding using of_platform_populate kyrie.wu 2021-12-03 3:13 ` kyrie.wu 2021-12-03 3:13 ` [PATCH V6, 1/5] dt-bindings: mediatek: Add mediatek, mt8195-jpgenc compatible kyrie.wu 2021-12-03 3:13 ` kyrie.wu 2021-12-03 13:43 ` Ricardo Ribalda 2021-12-03 13:43 ` Ricardo Ribalda 2021-12-03 13:43 ` Ricardo Ribalda 2022-01-06 8:06 ` kyrie.wu 2022-01-06 8:06 ` kyrie.wu 2021-12-03 3:13 ` kyrie.wu [this message] 2021-12-03 3:13 ` [PATCH V6, 2/5] media: mtk-jpegenc: manage jpegenc multi-hardware kyrie.wu 2021-12-03 14:54 ` Ricardo Ribalda 2021-12-03 14:54 ` Ricardo Ribalda 2022-01-06 7:35 ` kyrie.wu 2022-01-06 7:35 ` kyrie.wu 2022-02-07 14:50 ` AngeloGioacchino Del Regno 2022-02-07 14:50 ` AngeloGioacchino Del Regno 2022-02-07 14:50 ` AngeloGioacchino Del Regno 2022-02-21 1:48 ` kyrie.wu 2022-02-21 1:48 ` kyrie.wu 2021-12-03 3:13 ` [PATCH V6, 3/5] media: mtk-jpegenc: add jpegenc timeout func interface kyrie.wu 2021-12-03 3:13 ` kyrie.wu 2021-12-03 15:07 ` Ricardo Ribalda 2021-12-03 15:07 ` Ricardo Ribalda 2021-12-03 15:07 ` Ricardo Ribalda 2022-01-06 7:57 ` kyrie.wu 2022-01-06 7:57 ` kyrie.wu 2022-02-07 14:50 ` AngeloGioacchino Del Regno 2022-02-07 14:50 ` AngeloGioacchino Del Regno 2022-02-07 14:50 ` AngeloGioacchino Del Regno 2022-02-21 1:31 ` kyrie.wu 2022-02-21 1:31 ` kyrie.wu 2021-12-03 3:13 ` [PATCH V6, 4/5] media: mtk-jpegenc: add jpeg encode worker interface kyrie.wu 2021-12-03 3:13 ` kyrie.wu 2021-12-03 15:29 ` Ricardo Ribalda 2021-12-03 15:29 ` Ricardo Ribalda 2022-01-06 8:03 ` kyrie.wu 2022-01-06 8:03 ` kyrie.wu 2021-12-03 3:13 ` [PATCH V6, 5/5] media: mtk-jpegenc: add output pic reorder interface kyrie.wu 2021-12-03 3:13 ` kyrie.wu 2021-12-03 15:50 ` Ricardo Ribalda 2021-12-03 15:50 ` Ricardo Ribalda 2022-01-06 8:56 ` kyrie.wu 2022-01-06 8:56 ` kyrie.wu 2021-12-03 13:38 ` [PATCH V6, 0/5] Support multi-hardware jpeg encoding using of_platform_populate Ricardo Ribalda 2021-12-03 13:38 ` Ricardo Ribalda 2021-12-03 13:38 ` Ricardo Ribalda 2022-01-06 8:04 ` kyrie.wu 2022-01-06 8:04 ` kyrie.wu
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