[PATCH V6, 2/5] media: mtk-jpegenc: manage jpegenc multi-hardware
kyrie.wu
kyrie.wu at mediatek.com
Thu Dec 2 19:13:47 PST 2021
manage each hardware information, including irq/clk/power.
the hardware includes HW0 and HW1.
Signed-off-by: kyrie.wu <kyrie.wu at 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 at 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
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