[V14,03/15] mtk-jpegenc: support jpegenc multi-hardware

Irui Wang
2022-09-15T06:44:18Z

support jpeg encode multi-hardware includes HW0 and HW1.

Signed-off-by: kyrie wu <kyrie.wu@mediatek.com>
Signed-off-by: irui wang <irui.wang@mediatek.com>
Reported-by: kernel test robot <lkp@intel.com>
---
drivers/media/platform/mediatek/jpeg/Makefile | 11 +-
.../platform/mediatek/jpeg/mtk_jpeg_core.c | 69 ++++----
.../platform/mediatek/jpeg/mtk_jpeg_core.h | 42 +++++
.../platform/mediatek/jpeg/mtk_jpeg_enc_hw.c | 160 ++++++++++++++++++
4 files changed, 248 insertions(+), 34 deletions(-)

diff --git a/drivers/media/platform/mediatek/jpeg/Makefile b/drivers/media/platform/mediatek/jpeg/Makefile
index 76c33aad0f3f..69703db4b0a5 100644
--- a/drivers/media/platform/mediatek/jpeg/Makefile
+++ b/drivers/media/platform/mediatek/jpeg/Makefile
@@ -1,6 +1,9 @@
# SPDX-License-Identifier: GPL-2.0-only
-mtk_jpeg-objs := mtk_jpeg_core.o \
+obj-$(CONFIG_VIDEO_MEDIATEK_JPEG) += mtk_jpeg.o \
+ mtk-jpeg-enc-hw.o
+
+mtk_jpeg-y := mtk_jpeg_core.o \
mtk_jpeg_dec_hw.o \
- mtk_jpeg_dec_parse.o \
- mtk_jpeg_enc_hw.o
-obj-$(CONFIG_VIDEO_MEDIATEK_JPEG) += mtk_jpeg.o
+ mtk_jpeg_dec_parse.o
+
+mtk-jpeg-enc-hw-y := mtk_jpeg_enc_hw.o
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
index 724fb7aeb0ee..2de2e3846b5b 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
@@ -680,7 +680,7 @@ 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;
+ struct v4l2_plane_pix_format plane_fmt = {};
int i;

q_data = mtk_jpeg_get_q_data(ctx, vb->vb2_queue->type);
@@ -1312,38 +1312,51 @@ 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);

- jpeg->reg_base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(jpeg->reg_base)) {
- ret = PTR_ERR(jpeg->reg_base);
- return ret;
+ ret = devm_of_platform_populate(&pdev->dev);
+ if (ret) {
+ v4l2_err(&jpeg->v4l2_dev, "Master of platform populate failed.");
+ return -EINVAL;
}

- jpeg_irq = platform_get_irq(pdev, 0);
- if (jpeg_irq < 0)
- return jpeg_irq;
+ if (list_empty(&pdev->dev.devres_head)) {
+ INIT_DELAYED_WORK(&jpeg->job_timeout_work,
+ mtk_jpeg_job_timeout_work);

- 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->reg_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(jpeg->reg_base)) {
+ ret = PTR_ERR(jpeg->reg_base);
+ return ret;
+ }

- ret = devm_clk_bulk_get(jpeg->dev, jpeg->variant->num_clks,
- jpeg->variant->clks);
- if (ret) {
- dev_err(&pdev->dev, "Failed to init clk, err %d\n", ret);
- goto err_clk_init;
+ jpeg_irq = platform_get_irq(pdev, 0);
+ if (jpeg_irq < 0)
+ 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);
+ return ret;
+ }
+
+ ret = devm_clk_bulk_get(jpeg->dev,
+ jpeg->variant->num_clks,
+ jpeg->variant->clks);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to init clk\n");
+ return ret;
+ }
}

ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev);
if (ret) {
dev_err(&pdev->dev, "Failed to register v4l2 device\n");
- ret = -EINVAL;
- goto err_dev_register;
+ return -EINVAL;
}

jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops);
@@ -1401,12 +1414,6 @@ static int mtk_jpeg_probe(struct platform_device *pdev)
err_m2m_init:
v4l2_device_unregister(&jpeg->v4l2_dev);

-err_dev_register:
-
-err_clk_init:
-
-err_req_irq:
-
return ret;
}

@@ -1497,6 +1504,7 @@ static const struct mtk_jpeg_variant mtk_jpeg_drvdata = {
.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",
@@ -1514,13 +1522,14 @@ static const struct of_device_id mtk_jpeg_match[] = {
};

MODULE_DEVICE_TABLE(of, mtk_jpeg_match);
+#endif

static struct platform_driver mtk_jpeg_driver = {
.probe = mtk_jpeg_probe,
.remove = mtk_jpeg_remove,
.driver = {
.name = MTK_JPEG_NAME,
- .of_match_table = mtk_jpeg_match,
+ .of_match_table = of_match_ptr(mtk_jpeg_match),
.pm = &mtk_jpeg_pm_ops,
},
};
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
index 3e4811a41ba2..1e0ba466303b 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
@@ -9,6 +9,7 @@
#ifndef _MTK_JPEG_CORE_H
#define _MTK_JPEG_CORE_H

+#include <linux/clk.h>
#include <linux/interrupt.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
@@ -74,6 +75,40 @@ 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 - Structure used to store vcodec clock information
+ * @clks: JPEG encode clock
+ * @clk_num: JPEG encode clock numbers
+ */
+struct mtk_jpegenc_clk {
+ struct clk_bulk_data *clks;
+ int clk_num;
+};
+
+/**
+ * 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
+ * @venc_clk: jpeg encode clock
+ * @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_clk venc_clk;
+ int jpegenc_irq;
+};
+
/**
* struct mtk_jpeg_dev - JPEG IP abstraction
* @lock: the mutex protecting this structure
@@ -87,6 +122,9 @@ struct mtk_jpeg_variant {
* @reg_base: JPEG registers mapping
* @job_timeout_work: IRQ timeout structure
* @variant: driver variant to be used
+ * @reg_encbase: jpg encode register base addr
+ * @enc_hw_dev: jpg encode hardware device
+ * @is_jpgenc_multihw: the flag of multi-hw core
*/
struct mtk_jpeg_dev {
struct mutex lock;
@@ -100,6 +138,10 @@ struct mtk_jpeg_dev {
void __iomem *reg_base;
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];
+ bool is_jpgenc_multihw;
};

/**
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c
index a2b6e1f85c2d..3dcf83d6d95e 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c
@@ -5,11 +5,27 @@
*
*/

+#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 +46,16 @@ 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-jpgenc-hw",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mtk_jpegenc_drv_ids);
+#endif
+
void mtk_jpeg_enc_reset(void __iomem *base)
{
writel(0, base + JPEG_ENC_RSTB);
@@ -159,3 +185,137 @@ void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx, void __iomem *base)
}
EXPORT_SYMBOL_GPL(mtk_jpeg_set_enc_params);

+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);
+ v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true);
+
+ 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)
+ 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 ret;
+ }
+
+ return 0;
+}
+
+static int mtk_jpegenc_hw_probe(struct platform_device *pdev)
+{
+ struct mtk_jpegenc_clk *jpegenc_clk;
+ struct mtk_jpeg_dev *master_dev;
+ struct mtk_jpegenc_comp_dev *dev;
+ int ret, i;
+
+ 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;
+ dev->dev = &pdev->dev;
+
+ if (!master_dev->is_jpgenc_multihw) {
+ master_dev->is_jpgenc_multihw = true;
+ for (i = 0; i < MTK_JPEGENC_HW_MAX; i++)
+ master_dev->enc_hw_dev[i] = NULL;
+ }
+
+ jpegenc_clk = &dev->venc_clk;
+
+ jpegenc_clk->clk_num = devm_clk_bulk_get_all(&pdev->dev,
+ &jpegenc_clk->clks);
+ if (jpegenc_clk->clk_num < 0)
+ return dev_err_probe(&pdev->dev, jpegenc_clk->clk_num,
+ "Failed to get jpegenc clock count\n");
+
+ dev->reg_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(dev->reg_base))
+ return PTR_ERR(dev->reg_base);
+
+ ret = mtk_jpegenc_hw_init_irq(dev);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) {
+ if (master_dev->enc_hw_dev[i])
+ continue;
+
+ master_dev->enc_hw_dev[i] = dev;
+ master_dev->reg_encbase[i] = dev->reg_base;
+ dev->master_dev = master_dev;
+ }
+
+ platform_set_drvdata(pdev, dev);
+ pm_runtime_enable(&pdev->dev);
+
+ return 0;
+}
+
+static struct platform_driver mtk_jpegenc_hw_driver = {
+ .probe = mtk_jpegenc_hw_probe,
+ .driver = {
+ .name = "mtk-jpegenc-hw",
+ .of_match_table = of_match_ptr(mtk_jpegenc_drv_ids),
+ },
+};
+
+module_platform_driver(mtk_jpegenc_hw_driver);
+
+MODULE_DESCRIPTION("MediaTek JPEG encode HW driver");
+MODULE_LICENSE("GPL");
--
2.18.0