From: Randy Li <ayaka@xxxxxxxxxxx>
TODO:
task finish
finish a task before it would be dequeued
iommu attach won't reload buffers
Signed-off-by: Randy Li <randy.li@xxxxxxxxxxxxxx>
Signed-off-by: Randy Li <ayaka@xxxxxxxxxxx>
---
drivers/staging/Kconfig | 2 +
drivers/staging/Makefile | 1 +
drivers/staging/rockchip-mpp/Kconfig | 33 +
drivers/staging/rockchip-mpp/Makefile | 10 +
drivers/staging/rockchip-mpp/mpp_debug.h | 87 +
drivers/staging/rockchip-mpp/mpp_dev_common.c | 1391 +++++++
drivers/staging/rockchip-mpp/mpp_dev_common.h | 212 +
drivers/staging/rockchip-mpp/mpp_dev_rkvdec.c | 919 +++++
drivers/staging/rockchip-mpp/mpp_dev_vdpu2.c | 601 +++
drivers/staging/rockchip-mpp/mpp_service.c | 197 +
drivers/staging/rockchip-mpp/mpp_service.h | 38 +
drivers/staging/rockchip-mpp/rkvdec/avc.c | 202 +
drivers/staging/rockchip-mpp/rkvdec/cabac.h | 3614 +++++++++++++++++
drivers/staging/rockchip-mpp/rkvdec/hal.h | 70 +
drivers/staging/rockchip-mpp/rkvdec/hevc.c | 167 +
drivers/staging/rockchip-mpp/rkvdec/regs.h | 377 ++
drivers/staging/rockchip-mpp/vdpu2/hal.h | 52 +
drivers/staging/rockchip-mpp/vdpu2/mpeg2.c | 270 ++
drivers/staging/rockchip-mpp/vdpu2/regs.h | 670 +++
include/uapi/video/rk_vpu_service.h | 101 +
20 files changed, 9014 insertions(+)
create mode 100644 drivers/staging/rockchip-mpp/Kconfig
create mode 100644 drivers/staging/rockchip-mpp/Makefile
create mode 100644 drivers/staging/rockchip-mpp/mpp_debug.h
create mode 100644 drivers/staging/rockchip-mpp/mpp_dev_common.c
create mode 100644 drivers/staging/rockchip-mpp/mpp_dev_common.h
create mode 100644 drivers/staging/rockchip-mpp/mpp_dev_rkvdec.c
create mode 100644 drivers/staging/rockchip-mpp/mpp_dev_vdpu2.c
create mode 100644 drivers/staging/rockchip-mpp/mpp_service.c
create mode 100644 drivers/staging/rockchip-mpp/mpp_service.h
create mode 100644 drivers/staging/rockchip-mpp/rkvdec/avc.c
create mode 100644 drivers/staging/rockchip-mpp/rkvdec/cabac.h
create mode 100644 drivers/staging/rockchip-mpp/rkvdec/hal.h
create mode 100644 drivers/staging/rockchip-mpp/rkvdec/hevc.c
create mode 100644 drivers/staging/rockchip-mpp/rkvdec/regs.h
create mode 100644 drivers/staging/rockchip-mpp/vdpu2/hal.h
create mode 100644 drivers/staging/rockchip-mpp/vdpu2/mpeg2.c
create mode 100644 drivers/staging/rockchip-mpp/vdpu2/regs.h
create mode 100644 include/uapi/video/rk_vpu_service.h
diff --git a/drivers/staging/rockchip-mpp/mpp_dev_rkvdec.c b/drivers/staging/rockchip-mpp/mpp_dev_rkvdec.c
new file mode 100644
index 000000000000..756821dbf829
--- /dev/null
+++ b/drivers/staging/rockchip-mpp/mpp_dev_rkvdec.c
@@ -0,0 +1,919 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <asm/cacheflush.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/of_platform.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+#include <soc/rockchip/pm_domains.h>
+#include <soc/rockchip/rockchip_sip.h>
+
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-mem2mem.h>
+
+#include <linux/pm_runtime.h>
+
+#include "mpp_debug.h"
+#include "mpp_dev_common.h"
+#include "rkvdec/cabac.h"
+#include "rkvdec/hal.h"
+
+#define RKVDEC_DRIVER_NAME "mpp_rkvdec"
+
+#define RKVDEC_VER_RK3328_BIT BIT(1)
+#define IOMMU_GET_BUS_ID(x) (((x) >> 6) & 0x1f)
+#define IOMMU_PAGE_SIZE SZ_4K
+
+#define RKVDEC_NODE_NAME "rkvdec"
+#define RK_HEVCDEC_NODE_NAME "hevc-service"
+
+#define to_rkvdec_task(ctx) \
+ container_of(ctx, struct rkvdec_task, mpp_task)
+#define to_rkvdec_dev(dev) \
+ container_of(dev, struct rockchip_rkvdec_dev, mpp_dev)
+
+#define RKVDEC_ERROR_INFO_SIZE (144 * 4)
+#define RKVDEC_ERROR_INFO_MAX_SIZE (RKVDEC_ERROR_INFO_SIZE * 256)
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "bit switch for rkvdec debug information");
+
+enum RKVDEC_STATE {
+ RKVDEC_STATE_NORMAL,
+ RKVDEC_STATE_LT_START,
+ RKVDEC_STATE_LT_RUN,
+};
+
+struct rockchip_rkvdec_dev {
+ struct rockchip_mpp_dev mpp_dev;
+
+ struct reset_control *rst_a;
+ struct reset_control *rst_h;
+ struct reset_control *rst_niu_a;
+ struct reset_control *rst_niu_h;
+ struct reset_control *rst_core;
+ struct reset_control *rst_cabac;
+
+ enum RKVDEC_STATE state;
+
+ unsigned long aux_iova;
+ struct page *aux_page;
+
+ dma_addr_t cabac_avc_addr;
+ void *cabac_avc_vaddr;
+
+ dma_addr_t cabac_hevc_addr;
+ void *cabac_hevc_vaddr;
+
+ dma_addr_t errorinfo_addr;
+ void *errorinfo_vaddr;
+
+ void *current_task;
+};
+
+struct rkvdec_task {
+ struct mpp_task mpp_task;
+
+ u32 reg[ROCKCHIP_RKVDEC_REG_NUM];
+ u32 idx;
+
+ u32 irq_status;
+};
+
+static struct rockchip_mpp_control hevc_controls[] = {
+ {
+ .codec = V4L2_PIX_FMT_HEVC_SLICE,
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SPS,
+ .elem_size = sizeof(struct v4l2_ctrl_hevc_sps),
+ },
+ {
+ .codec = V4L2_PIX_FMT_HEVC,
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_PPS,diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index c0901b96cfe4..5f84035e2a89 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -124,4 +124,6 @@ source "drivers/staging/axis-fifo/Kconfig"
source "drivers/staging/erofs/Kconfig"
+source "drivers/staging/rockchip-mpp/Kconfig"
+
endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 57c6bce13ff4..fc3ed97a0eab 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -52,3 +52,4 @@ obj-$(CONFIG_SOC_MT7621) += mt7621-dts/
obj-$(CONFIG_STAGING_GASKET_FRAMEWORK) += gasket/
obj-$(CONFIG_XIL_AXIS_FIFO) += axis-fifo/
obj-$(CONFIG_EROFS_FS) += erofs/
+obj-$(CONFIG_ROCKCHIP_MPP_SERVICE) += rockchip-mpp/
diff --git a/drivers/staging/rockchip-mpp/Kconfig b/drivers/staging/rockchip-mpp/Kconfig
new file mode 100644
index 000000000000..17e079a77203
--- /dev/null
+++ b/drivers/staging/rockchip-mpp/Kconfig
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-2.0
+menu "ROCKCHIP_MPP"
+ depends on ARCH_ROCKCHIP
+
+config ROCKCHIP_MPP_SERVICE
+ tristate "mpp service scheduler"
+ default n
+ help
+ rockchip mpp service.
+
+config ROCKCHIP_MPP_DEVICE
+ tristate "mpp device framework"
+ depends on ROCKCHIP_MPP_SERVICE
+ select V4L2_MEM2MEM_DEV
+ select VIDEOBUF2_DMA_CONTIG
+ default n
+ help
+ rockchip mpp device framework.
+
+config ROCKCHIP_MPP_VDEC_DEVICE
+ tristate "video decoder device driver"
+ depends on ROCKCHIP_MPP_DEVICE
+ default n
+ help
+ rockchip mpp video decoder and hevc decoder.
+
+config ROCKCHIP_MPP_VDPU2_DEVICE
+ tristate "VPU decoder v2 device driver"
+ depends on ROCKCHIP_MPP_DEVICE
+ default n
+ help
+ rockchip mpp vpu decoder v2.
+endmenu
diff --git a/drivers/staging/rockchip-mpp/Makefile b/drivers/staging/rockchip-mpp/Makefile
new file mode 100644
index 000000000000..9722b0059563
--- /dev/null
+++ b/drivers/staging/rockchip-mpp/Makefile
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+rk-mpp-service-objs := mpp_service.o
+rk-mpp-device-objs := mpp_dev_common.o
+rk-mpp-vdec-objs := mpp_dev_rkvdec.o rkvdec/hevc.o rkvdec/avc.o
+rk-mpp-vdpu2-objs := mpp_dev_vdpu2.o vdpu2/mpeg2.o
+
+obj-$(CONFIG_ROCKCHIP_MPP_SERVICE) += rk-mpp-service.o
+obj-$(CONFIG_ROCKCHIP_MPP_DEVICE) += rk-mpp-device.o
+obj-$(CONFIG_ROCKCHIP_MPP_VDEC_DEVICE) += rk-mpp-vdec.o
+obj-$(CONFIG_ROCKCHIP_MPP_VDPU2_DEVICE) += rk-mpp-vdpu2.o
diff --git a/drivers/staging/rockchip-mpp/mpp_debug.h b/drivers/staging/rockchip-mpp/mpp_debug.h
new file mode 100644
index 000000000000..bd6c0e594da3
--- /dev/null
+++ b/drivers/staging/rockchip-mpp/mpp_debug.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2016 - 2017 Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _ROCKCHIP_MPP_DEBUG_H_
+#define _ROCKCHIP_MPP_DEBUG_H_
+
+#include <linux/types.h>
+
+/*
+ * debug flag usage:
+ * +------+-------------------+
+ * | 8bit | 24bit |
+ * +------+-------------------+
+ * 0~23 bit is for different information type
+ * 24~31 bit is for information print format
+ */
+
+#define DEBUG_POWER 0x00000001
+#define DEBUG_CLOCK 0x00000002
+#define DEBUG_IRQ_STATUS 0x00000004
+#define DEBUG_IOMMU 0x00000008
+#define DEBUG_IOCTL 0x00000010
+#define DEBUG_FUNCTION 0x00000020
+#define DEBUG_REGISTER 0x00000040
+#define DEBUG_EXTRA_INFO 0x00000080
+#define DEBUG_TIMING 0x00000100
+#define DEBUG_TASK_INFO 0x00000200
+#define DEBUG_DUMP_ERR_REG 0x00000400
+#define DEBUG_LINK_TABLE 0x00000800
+
+#define DEBUG_SET_REG 0x00001000
+#define DEBUG_GET_REG 0x00002000
+#define DEBUG_PPS_FILL 0x00004000
+#define DEBUG_IRQ_CHECK 0x00008000
+#define DEBUG_CACHE_32B 0x00010000
+
+#define DEBUG_RESET 0x00020000
+
+#define PRINT_FUNCTION 0x80000000
+#define PRINT_LINE 0x40000000
+
+#define mpp_debug_func(type, fmt, args...) \
+ do { \
+ if (unlikely(debug & type)) { \
+ pr_info("%s:%d: " fmt, \
+ __func__, __LINE__, ##args); \
+ } \
+ } while (0)
+#define mpp_debug(type, fmt, args...) \
+ do { \
+ if (unlikely(debug & type)) { \
+ pr_info(fmt, ##args); \
+ } \
+ } while (0)
+
+#define mpp_debug_enter() \
+ do { \
+ if (unlikely(debug & DEBUG_FUNCTION)) { \
+ pr_info("%s:%d: enter\n", \
+ __func__, __LINE__); \
+ } \
+ } while (0)
+
+#define mpp_debug_leave() \
+ do { \
+ if (unlikely(debug & DEBUG_FUNCTION)) { \
+ pr_info("%s:%d: leave\n", \
+ __func__, __LINE__); \
+ } \
+ } while (0)
+
+#define mpp_err(fmt, args...) \
+ pr_err("%s:%d: " fmt, __func__, __LINE__, ##args)
+
+#endif
diff --git a/drivers/staging/rockchip-mpp/mpp_dev_common.c b/drivers/staging/rockchip-mpp/mpp_dev_common.c
new file mode 100644
index 000000000000..21816ad8a43b
--- /dev/null
+++ b/drivers/staging/rockchip-mpp/mpp_dev_common.c
@@ -0,0 +1,1391 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2016 - 2017 Fuzhou Rockchip Electronics Co., Ltd
+ * Randy Li, <ayaka@xxxxxxxxxxx>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/iommu.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/of_irq.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-core.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "mpp_debug.h"
+#include "mpp_dev_common.h"
+#include "mpp_service.h"
+
+#define MPP_TIMEOUT_DELAY (2000)
+#include "mpp_dev_common.h"
+
+#define MPP_SESSION_MAX_DONE_TASK (20)
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "bit switch for mpp device debug information");
+
+static struct class *mpp_device_class;
+static const struct v4l2_file_operations mpp_v4l2_default_fops;
+
+static int rockchip_mpp_result(struct rockchip_mpp_dev *mpp_dev,
+ struct mpp_task *task);
+
+static const struct media_device_ops mpp_m2m_media_ops = {
+ .req_validate = vb2_request_validate,
+ .req_queue = v4l2_m2m_request_queue,
+};
+
+static void mpp_session_push_pending(struct mpp_session *session,
+ struct mpp_task *task)
+{
+ mutex_lock(&session->lock);
+ list_add_tail(&task->session_link, &session->pending);
+ mutex_unlock(&session->lock);
+}
+
+static void mpp_session_push_done(struct mpp_task *task)
+{
+ struct mpp_session *session = NULL;
+
+ session = task->session;
+
+ mutex_lock(&session->lock);
+ list_del_init(&task->session_link);
+ mutex_unlock(&session->lock);
+
+ //kfifo_in(&session->done_fifo, &task, 1);
+ rockchip_mpp_result(session->mpp_dev, task);
+}
+
+static struct mpp_task *mpp_session_pull_done(struct mpp_session *session)
+{
+ struct mpp_task *task = NULL;
+
+ if (kfifo_out(&session->done_fifo, &task, 1))
+ return task;
+ return NULL;
+}
+
+static void mpp_dev_sched_irq(struct work_struct *work)
+{
+ struct mpp_task *task = container_of(work, struct mpp_task, work);
+ struct rockchip_mpp_dev *mpp_dev = NULL;
+
+ mpp_dev = task->session->mpp_dev;
+
+ mpp_debug_time_diff(task);
+
+ if (mpp_dev->ops->finish)
+ mpp_dev->ops->finish(mpp_dev, task);
+
+ atomic_dec(&task->session->task_running);
+ pm_runtime_mark_last_busy(mpp_dev->dev);
+ pm_runtime_put_autosuspend(mpp_dev->dev);
+ /*
+ * TODO: unlock the reader locker of the device resource locker
+ * here
+ */
+ mpp_srv_done(mpp_dev->srv, task);
+ /* Wake up the GET thread */
+ mpp_session_push_done(task);
+}
+
+static void *mpp_dev_alloc_task(struct rockchip_mpp_dev *mpp_dev,
+ struct mpp_session *session, void __user *src,
+ u32 size)
+{
+ if (mpp_dev->ops->alloc_task)
+ return mpp_dev->ops->alloc_task(session, src, size);
+ return NULL;
+}
+
+static int mpp_dev_free_task(struct mpp_session *session, struct mpp_task *task)
+{
+ struct rockchip_mpp_dev *mpp_dev = session->mpp_dev;
+
+ if (mpp_dev->ops->free_task)
+ mpp_dev->ops->free_task(session, task);
+ return 0;
+}
+
+int mpp_dev_task_init(struct mpp_session *session, struct mpp_task *task)
+{
+ INIT_LIST_HEAD(&task->session_link);
+ INIT_LIST_HEAD(&task->service_link);
+ INIT_WORK(&task->work, mpp_dev_sched_irq);
+
+ task->session = session;
+
+ return 0;
+}
+EXPORT_SYMBOL(mpp_dev_task_init);
+
+void mpp_dev_task_finish(struct mpp_session *session, struct mpp_task *task)
+{
+ struct rockchip_mpp_dev *mpp_dev = NULL;
+
+ mpp_dev = session->mpp_dev;
+ queue_work(mpp_dev->irq_workq, &task->work);
+}
+EXPORT_SYMBOL(mpp_dev_task_finish);
+
+void mpp_dev_task_finalize(struct mpp_session *session, struct mpp_task *task)
+{
+#if 0
+ struct vb2_v4l2_buffer *src, *dst;
+
+ src = v4l2_m2m_src_buf_remove(session->fh.m2m_ctx);
+ dst = v4l2_m2m_dst_buf_remove(session->fh.m2m_ctx);
+ if (WARN_ON(!src))
+ return -EINVAL;
+
+ if (WARN_ON(!dst))
+ return -EINVAL;
+
+ src->sequence = session->sequence_out++;
+ dst->sequence = session->sequence_cap++;
+
+ v4l2_m2m_buf_copy_data(src, dst, true);
+
+ v4l2_m2m_buf_done(src, result);
+ v4l2_m2m_buf_done(dst, result);
+#endif
+}
+EXPORT_SYMBOL(mpp_dev_task_finalize);
+
+static void mpp_dev_session_clear(struct rockchip_mpp_dev *mpp,
+ struct mpp_session *session)
+{
+ struct mpp_task *task, *n;
+
+ list_for_each_entry_safe(task, n, &session->pending, session_link) {
+ list_del(&task->session_link);
+ mpp_dev_free_task(session, task);
+ }
+ while (kfifo_out(&session->done_fifo, &task, 1))
+ mpp_dev_free_task(session, task);
+}
+
+#if 0
+void *mpp_dev_alloc_session(struct rockchip_mpp_dev *mpp_dev)
+{
+ struct mpp_session *session = NULL;
+ int error = 0;
+
+ session = kzalloc(sizeof(*session), GFP_KERNEL);
+ if (!session)
+ return ERR_PTR(-ENOMEM);
+
+ session->pid = current->pid;
+ session->mpp_dev = mpp_dev;
+ mutex_init(&session->lock);
+ INIT_LIST_HEAD(&session->pending);
+ init_waitqueue_head(&session->wait);
+ error = kfifo_alloc(&session->done_fifo, MPP_SESSION_MAX_DONE_TASK,
+ GFP_KERNEL);
+ if (error < 0) {
+ kfree(session);
+ return ERR_PTR(error);
+ }
+
+ atomic_set(&session->task_running, 0);
+ INIT_LIST_HEAD(&session->list_session);
+
+ return session;
+}
+EXPORT_SYMBOL(mpp_dev_alloc_session);
+
+#endif
+
+static void mpp_dev_reset(struct rockchip_mpp_dev *mpp_dev)
+{
+ mpp_debug_enter();
+
+ /* FIXME lock resource lock of the other devices in combo */
+ write_lock(&mpp_dev->resource_rwlock);
+ atomic_set(&mpp_dev->reset_request, 0);
+
+ iommu_detach_device(mpp_dev->domain, mpp_dev->dev);
+ mpp_dev->ops->reset(mpp_dev);
+ iommu_attach_device(mpp_dev->domain, mpp_dev->dev);
+
+ write_unlock(&mpp_dev->resource_rwlock);
+ mpp_debug_leave();
+}
+
+static void mpp_dev_abort(struct rockchip_mpp_dev *mpp_dev)
+{
+ int ret = 0;
+
+ mpp_debug_enter();
+
+ /* destroy the current task after hardware reset */
+ ret = mpp_srv_is_running(mpp_dev->srv);
+
+ mpp_dev_reset(mpp_dev);
+
+ if (ret) {
+ struct mpp_task *task = NULL;
+
+ task = mpp_srv_get_cur_task(mpp_dev->srv);
+ cancel_work_sync(&task->work);
+ list_del(&task->session_link);
+ mpp_srv_abort(mpp_dev->srv, task);
+ mpp_dev_free_task(task->session, task);
+ atomic_dec(&task->session->task_running);
+ } else {
+ mpp_srv_abort(mpp_dev->srv, NULL);
+ }
+
+ mpp_debug_leave();
+}
+
+void mpp_dev_power_on(struct rockchip_mpp_dev *mpp_dev)
+{
+ pm_runtime_get_sync(mpp_dev->dev);
+ pm_stay_awake(mpp_dev->dev);
+}
+
+void mpp_dev_power_off(struct rockchip_mpp_dev *mpp_dev)
+{
+ pm_runtime_put_sync(mpp_dev->dev);
+ pm_relax(mpp_dev->dev);
+}
+
+static void rockchip_mpp_run(struct rockchip_mpp_dev *mpp_dev,
+ struct mpp_task *task)
+{
+ mpp_debug_enter();
+ /*
+ * As I got the global lock from the mpp service here,
+ * I am the very task to be run, the device is ready
+ * for me. Wait a gap in the other is operating with the IOMMU.
+ */
+ if (atomic_read(&mpp_dev->reset_request))
+ mpp_dev_reset(mpp_dev);
+
+ mpp_debug_time_record(task);
+
+ mpp_debug(DEBUG_TASK_INFO, "pid %d, start hw %s\n",
+ task->session->pid, dev_name(mpp_dev->dev));
+
+ if (unlikely(debug & DEBUG_REGISTER))
+ mpp_debug_dump_reg(mpp_dev->reg_base,
+ mpp_dev->variant->reg_len);
+
+ /*
+ * TODO: Lock the reader locker of the device resource lock here,
+ * release at the finish operation
+ */
+ if (mpp_dev->ops->run)
+ mpp_dev->ops->run(mpp_dev, task);
+
+ mpp_debug_leave();
+}
+
+static void rockchip_mpp_try_run(struct rockchip_mpp_dev *mpp_dev)
+{
+ int ret = 0;
+ struct mpp_task *task;
+
+ mpp_debug_enter();
+
+ task = mpp_srv_get_pending_task(mpp_dev->srv);
+
+ if (mpp_dev->ops->prepare)
+ ret = mpp_dev->ops->prepare(mpp_dev, task);
+
+ mpp_srv_wait_to_run(mpp_dev->srv, task);
+ /*
+ * FIXME if the hardware supports task query, but we still need to lock
+ * the running list and lock the mpp service in the current state.
+ */
+ /* Push a pending task to running queue */
+ rockchip_mpp_run(mpp_dev, task);
+
+ mpp_debug_leave();
+}
+
+static int rockchip_mpp_result(struct rockchip_mpp_dev *mpp_dev,
+ struct mpp_task *task)
+{
+ struct mpp_session *session = NULL;
+ struct vb2_v4l2_buffer *src, *dst;
+ enum vb2_buffer_state result = VB2_BUF_STATE_DONE;
+
+ mpp_debug_enter();
+
+ if (!mpp_dev || !task)
+ return -EINVAL;
+
+ session = task->session;
+
+ if (mpp_dev->ops->result)
+ result = mpp_dev->ops->result(mpp_dev, task, NULL, 0);
+
+ mpp_dev_free_task(session, task);
+
+ src = v4l2_m2m_src_buf_remove(session->fh.m2m_ctx);
+ dst = v4l2_m2m_dst_buf_remove(session->fh.m2m_ctx);
+ if (WARN_ON(!src))
+ return -EINVAL;
+
+ if (WARN_ON(!dst))
+ return -EINVAL;
+
+ src->sequence = session->sequence_out++;
+ dst->sequence = session->sequence_cap++;
+
+ v4l2_m2m_buf_copy_metadata(src, dst, true);
+
+ v4l2_m2m_buf_done(src, result);
+ v4l2_m2m_buf_done(dst, result);
+
+ v4l2_m2m_job_finish(mpp_dev->m2m_dev, session->fh.m2m_ctx);
+
+ mpp_debug_leave();
+ return 0;
+}
+
+#if 0
+static int rockchip_mpp_wait_result(struct mpp_session *session,
+ struct rockchip_mpp_dev *mpp,
+ struct vpu_request req)
+{
+ struct mpp_task *task;
+ int ret;
+
+ ret = wait_event_timeout(session->wait,
+ !kfifo_is_empty(&session->done_fifo),
+ msecs_to_jiffies(MPP_TIMEOUT_DELAY));
+ if (ret == 0) {
+ mpp_err("error: pid %d wait %d task done timeout\n",
+ session->pid, atomic_read(&session->task_running));
+ ret = -ETIMEDOUT;
+
+ if (unlikely(debug & DEBUG_REGISTER))
+ mpp_debug_dump_reg(mpp->reg_base,
+ mpp->variant->reg_len);
+ mpp_dev_abort(mpp);
+
+ return ret;
+ }
+
+ task = mpp_session_pull_done(session);
+ rockchip_mpp_result(mpp, task, req.req, req.size);
+
+ return 0;
+}
+
+long mpp_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+ struct mpp_session *session = (struct mpp_session *)filp->private_data;
+ struct rockchip_mpp_dev *mpp = NULL;
+
+ mpp_debug_enter();
+ if (!session)
+ return -EINVAL;
+
+ mpp = session->mpp_dev;
+
+ switch (cmd) {
+ case VPU_IOC_SET_CLIENT_TYPE:
+ break;
+ case VPU_IOC_SET_REG: {
+ struct vpu_request req;
+ struct mpp_task *task;
+
+ mpp_debug(DEBUG_IOCTL, "pid %d set reg\n",
+ session->pid);
+ if (copy_from_user(&req, (void __user *)arg,
+ sizeof(struct vpu_request))) {
+ mpp_err("error: set reg copy_from_user failed\n");
+ return -EFAULT;
+ }
+
+ task = mpp_dev_alloc_task(mpp, session, (void __user *)req.req,
+ req.size);
+ if (IS_ERR_OR_NULL(task))
+ return -EFAULT;
+ mpp_srv_push_pending(mpp->srv, task);
+ mpp_session_push_pending(session, task);
+ atomic_inc(&session->task_running);
+
+ /* TODO: processing the current task */
+ rockchip_mpp_try_run(mpp);
+ } break;
+ case VPU_IOC_GET_REG: {
+ struct vpu_request req;
+
+ mpp_debug(DEBUG_IOCTL, "pid %d get reg\n",
+ session->pid);
+ if (copy_from_user(&req, (void __user *)arg,
+ sizeof(struct vpu_request))) {
+ mpp_err("error: get reg copy_from_user failed\n");
+ return -EFAULT;
+ }
+
+ return rockchip_mpp_wait_result(session, mpp, req);
+ } break;
+ case VPU_IOC_PROBE_IOMMU_STATUS: {
+ int iommu_enable = 1;
+
+ mpp_debug(DEBUG_IOCTL, "VPU_IOC_PROBE_IOMMU_STATUS\n");
+
+ if (put_user(iommu_enable, ((u32 __user *)arg))) {
+ mpp_err("error: iommu status copy_to_user failed\n");
+ return -EFAULT;
+ }
+ break;
+ }
+ default: {
+ dev_err(mpp->dev, "unknown mpp ioctl cmd %x\n", cmd);
+ return -ENOIOCTLCMD;
+ } break;
+ }
+
+ mpp_debug_leave();
+ return 0;
+}
+EXPORT_SYMBOL(mpp_dev_ioctl);
+
+static unsigned int mpp_dev_poll(struct file *filp, poll_table *wait)
+{
+ struct mpp_session *session = (struct mpp_session *)filp->private_data;
+ unsigned int mask = 0;
+
+ poll_wait(filp, &session->wait, wait);
+ if (kfifo_len(&session->done_fifo))
+ mask |= POLLIN | POLLRDNORM;
+
+ return mask;
+}
+
+static int mpp_dev_open(struct file *filp)
+{
+ struct rockchip_mpp_dev *mpp_dev = video_drvdata(flip);
+ struct video_device *vdev = video_devdata(filp);
+ struct mpp_session *session = NULL;
+ int error = 0;
+
+ mpp_debug_enter();
+
+ session = kzalloc(sizeof(*session), GFP_KERNEL);
+ if (!session)
+ return -ENOMEM;
+
+ session->pid = current->pid;
+ session->mpp_dev = mpp_dev;
+ mutex_init(&session->lock);
+ INIT_LIST_HEAD(&session->pending);
+ init_waitqueue_head(&session->wait);
+ error = kfifo_alloc(&session->done_fifo, MPP_SESSION_MAX_DONE_TASK,
+ GFP_KERNEL);
+ if (error < 0)
+ goto fail;
+
+ atomic_set(&session->task_running, 0);
+ INIT_LIST_HEAD(&session->list_session);
+#if 0
+ session->fh.m2m_ctx = v4l2_m2m_ctx_init(mpp_dev->m2m_dev, session,
+ default_queue_init);
+ if (IS_ERR(session->fh.m2m_ctx)) {
+ error = PTR_ERR(session->fb.m2m_ctx);
+ goto fail;
+ }
+ v4l2_fh_init(&session->fh, vdev);
+ filp->private_data = &session->fh;
+ v4l2_fh_add(&session->fh);
+
+ /* TODO: setup default formats */
+
+ /* TODO: install v4l2 ctrl */
+ if (error) {
+ dev_err(mpp_dev->dev, "Failed to set up controls\n");
+ goto err_fh;
+ }
+
+ session->fb.ctrl_handler = mpp_dev->ctrl_handler;
+#endif
+
+ mpp_dev_power_on(mpp);
+ mpp_debug_leave();
+
+ return 0;
+
+err_fh:
+ v4l2_fh_del(&session->fh);
+ v4l2_fh_exit(&session->fh);
+fail:
+ kfree(session);
+ return error;
+}
+
+static int mpp_dev_release(struct file *filp)
+{
+ struct mpp_session *session = container_of(filp->private_data,
+ struct mpp_session, fh);
+ struct rockchip_mpp_dev *mpp_dev = video_drvdata(flip);
+ int task_running;
+
+ mpp_debug_enter();
+ if (!session)
+ return -EINVAL;
+
+ /* TODO: is it necessary for v4l2? */
+ task_running = atomic_read(&session->task_running);
+ if (task_running) {
+ pr_err("session %d still has %d task running when closing\n",
+ session->pid, task_running);
+ msleep(50);
+ }
+ wake_up(&session->wait);
+
+#if 0
+ v4l2_m2m_ctx_release(session->fh.m2m_ctx);
+ v4l2_fh_del(&seesion->>fh);
+ v4l2_fh_exit(&session->fh);
+ v4l2_ctrl_handler_free(&session->ctrl_handler);
+#endif
+ mpp_dev_session_clear(mpp, session);
+
+#if 0
+ read_lock(&mpp->resource_rwlock);
+ read_unlock(&mpp->resource_rwlock);
+#endif
+ kfifo_free(&session->done_fifo);
+ filp->private_data = NULL;
+
+ mpp_dev_power_off(mpp);
+ kfree(session);
+
+ dev_dbg(mpp->dev, "closed\n");
+ mpp_debug_leave();
+ return 0;
+}
+
+static const struct v4l2_file_operations mpp_v4l2_default_fops = {
+ .owner = THIS_MODULE,
+ .open = mpp_dev_open,
+ .release = mpp_dev_release,
+ .poll = v4l2_m2m_fop_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .mmap = v4l2_m2m_fop_mmap,
+};
+#endif
+
+static int rockchip_mpp_dev_open(struct file *filp)
+{
+ struct rockchip_mpp_dev *mpp_dev = video_drvdata(filp);
+ struct video_device *vdev = video_devdata(filp);
+ struct mpp_session *session = NULL;
+
+ mpp_debug_enter();
+
+ session = rockchip_mpp_alloc_session(mpp_dev, vdev);
+ if (IS_ERR_OR_NULL(session))
+ return PTR_ERR(session);
+
+ filp->private_data = &session->fh;
+ pm_runtime_get_sync(mpp_dev->dev);
+
+ mpp_debug_leave();
+ return 0;
+}
+
+static struct mpp_service_node *mpp_dev_load_srv(struct platform_device *p)
+{
+ struct mpp_service *srv = NULL;
+ struct device_node *np = NULL;
+ struct platform_device *pdev = NULL;
+ struct mpp_service_node *client = NULL;
+
+ np = of_parse_phandle(p->dev.of_node, "rockchip,srv", 0);
+ if (!np || !of_device_is_available(np)) {
+ dev_err(&p->dev,
+ "failed to get the mpp service node\n");
+ return NULL;
+ }
+
+ pdev = of_find_device_by_node(np);
+ if (!pdev) {
+ of_node_put(np);
+ dev_err(&p->dev,
+ "failed to get mpp service from node\n");
+ return ERR_PTR(-ENODEV);
+ }
+
+ device_lock(&pdev->dev);
+
+ srv = platform_get_drvdata(pdev);
+ if (srv) {
+ client = mpp_srv_attach(srv, NULL);
+ } else {
+ dev_info(&pdev->dev, "defer probe\n");
+ client = ERR_PTR(-EPROBE_DEFER);
+ }
+ device_unlock(&pdev->dev);
+
+ put_device(&pdev->dev);
+ of_node_put(np);
+
+ return client;
+}
+
+static void mpp_device_run(void *priv)
+{
+ struct mpp_session *session = (struct mpp_session *)priv;
+ struct rockchip_mpp_dev *mpp_dev = NULL;
+ struct mpp_task *task;
+
+ mpp_debug_enter();
+ if (!session)
+ return;
+
+ mpp_dev = session->mpp_dev;
+
+ mpp_debug(DEBUG_IOCTL, "pid %d set reg\n", session->pid);
+ /* power on here */
+ if (pm_runtime_get_if_in_use(mpp_dev->dev) <= 0) {
+ /* TODO: destroy the session and report more error */
+ dev_err(mpp_dev->dev, "can't power on device\n");
+ return;
+ }
+
+ task = mpp_dev_alloc_task(mpp_dev, session, NULL, 0);
+ if (IS_ERR_OR_NULL(task))
+ return;
+
+ mpp_srv_push_pending(mpp_dev->srv, task);
+ mpp_session_push_pending(session, task);
+ atomic_inc(&session->task_running);
+
+ /* TODO: processing the current task */
+ rockchip_mpp_try_run(mpp_dev);
+
+ mpp_debug_leave();
+}
+
+#if 0
+void mpp_job_abort(void *priv)
+{
+ struct mpp_session *session = (struct mpp_session *)priv;
+
+ /* TODO: invoke v4l2_m2m_job_finish */
+ mpp_dev_abort(session->mpp_dev);
+}
+#endif
+
+static const struct v4l2_m2m_ops mpp_m2m_ops = {
+ .device_run = mpp_device_run,
+#if 0
+ .job_abort = mpp_job_abort,
+#endif
+};
+
+/* The device will do more probing work after this */
+int mpp_dev_common_probe(struct rockchip_mpp_dev *mpp_dev,
+ struct platform_device *pdev, struct mpp_dev_ops *ops)
+{
+ struct device *dev = NULL;
+ struct resource *res = NULL;
+ int err;
+
+ /* Get and register to MPP service */
+ mpp_dev->srv = mpp_dev_load_srv(pdev);
+ if (IS_ERR_OR_NULL(mpp_dev->srv))
+ return PTR_ERR(mpp_dev->srv);
+
+ dev = &pdev->dev;
+ mpp_dev->dev = dev;
+ mpp_dev->ops = ops;
+
+ rwlock_init(&mpp_dev->resource_rwlock);
+
+ device_init_wakeup(mpp_dev->dev, true);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ pm_runtime_idle(dev);
+
+ mpp_dev->irq_workq = alloc_ordered_workqueue("%s_irq_wq",
+ WQ_MEM_RECLAIM
+ | WQ_FREEZABLE,
+ dev_name(mpp_dev->dev));
+ if (!mpp_dev->irq_workq) {
+ dev_err(dev, "failed to create irq workqueue\n");
+ err = -EINVAL;
+ goto failed_irq_workq;
+ }
+
+ mpp_dev->irq = platform_get_irq(pdev, 0);
+ if (mpp_dev->irq < 0) {
+ dev_err(dev, "No interrupt resource found\n");
+ err = -ENODEV;
+ goto failed;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "no memory resource defined\n");
+ err = -ENODEV;
+ goto failed;
+ }
+ mpp_dev->reg_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(mpp_dev->reg_base)) {
+ err = PTR_ERR(mpp_dev->reg_base);
+ goto failed;
+ }
+
+ /* V4l2 part */
+ mutex_init(&mpp_dev->dev_lock);
+
+ err = v4l2_device_register(dev, &mpp_dev->v4l2_dev);
+ if (err) {
+ dev_err(dev, "Failed to register v4l2 device\n");
+ goto failed;
+ }
+
+ /* TODO */
+ mpp_dev->m2m_dev = v4l2_m2m_init(&mpp_m2m_ops);
+ if (IS_ERR(mpp_dev->m2m_dev)) {
+ v4l2_err(&mpp_dev->v4l2_dev, "Failed to init mem2mem device\n");
+ err = PTR_ERR(mpp_dev->m2m_dev);
+ goto err_v4l2_unreg;
+ }
+
+ mpp_dev->mdev.dev = dev;
+ strlcpy(mpp_dev->mdev.model, MPP_MODULE_NAME,
+ sizeof(mpp_dev->mdev.model));
+ media_device_init(&mpp_dev->mdev);
+ mpp_dev->mdev.ops = &mpp_m2m_media_ops;
+ mpp_dev->v4l2_dev.mdev = &mpp_dev->mdev;
+
+ mpp_dev->domain = iommu_get_domain_for_dev(dev);
+
+ return 0;
+
+err_v4l2_unreg:
+ v4l2_device_unregister(&mpp_dev->v4l2_dev);
+failed_irq_workq:
+ destroy_workqueue(mpp_dev->irq_workq);
+failed:
+ pm_runtime_disable(dev);
+ return err;
+}
+EXPORT_SYMBOL(mpp_dev_common_probe);
+
+/* Remember to set the platform data after this */
+int mpp_dev_register_node(struct rockchip_mpp_dev *mpp_dev,
+ const char *node_name, const void *v4l2_fops,
+ const void *v4l2_ioctl_ops)
+{
+ struct video_device *vfd;
+ int ret = 0;
+
+ /* create a device node */
+ vfd = video_device_alloc();
+ if (!vfd) {
+ v4l2_err(&mpp_dev->v4l2_dev,
+ "Failed to allocate video device\n");
+ return -ENOMEM;
+ }
+
+ if (v4l2_fops)
+ vfd->fops = v4l2_fops;
+ else
+ vfd->fops = &mpp_v4l2_default_fops;
+
+ vfd->release = video_device_release;
+ vfd->lock = &mpp_dev->dev_lock;
+ vfd->v4l2_dev = &mpp_dev->v4l2_dev;
+ vfd->vfl_dir = VFL_DIR_M2M;
+ vfd->device_caps = V4L2_CAP_STREAMING;
+ vfd->ioctl_ops = v4l2_ioctl_ops;
+
+ strlcpy(vfd->name, node_name, sizeof(vfd->name));
+ video_set_drvdata(vfd, mpp_dev);
+
+ ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
+ if (ret) {
+ v4l2_err(&mpp_dev->v4l2_dev,
+ "Failed to register video device\n");
+ goto err_m2m_rel;
+ }
+ v4l2_info(&mpp_dev->v4l2_dev, "registered as /dev/video%d\n", vfd->num);
+
+ ret = v4l2_m2m_register_media_controller(mpp_dev->m2m_dev, vfd,
+ mpp_dev->variant->vfd_func);
+ if (ret) {
+ v4l2_err(&mpp_dev->v4l2_dev,
+ "Failed to init mem2mem media controller\n");
+ goto err_unreg_video;
+ }
+
+ mpp_dev->vfd = vfd;
+
+ ret = media_device_register(&mpp_dev->mdev);
+ if (ret) {
+ v4l2_err(&mpp_dev->v4l2_dev,
+ "Failed to register mem2mem media device\n");
+ goto err_unreg_video_dev;
+ }
+
+ return 0;
+
+err_unreg_video:
+ video_unregister_device(mpp_dev->vfd);
+err_unreg_video_dev:
+ video_device_release(mpp_dev->vfd);
+err_m2m_rel:
+ v4l2_m2m_release(mpp_dev->m2m_dev);
+ return ret;
+}
+EXPORT_SYMBOL(mpp_dev_register_node);
+
+int mpp_dev_common_remove(struct rockchip_mpp_dev *mpp_dev)
+{
+ destroy_workqueue(mpp_dev->irq_workq);
+
+ media_device_unregister(&mpp_dev->mdev);
+ v4l2_m2m_unregister_media_controller(mpp_dev->m2m_dev);
+ media_device_cleanup(&mpp_dev->mdev);
+
+ video_unregister_device(mpp_dev->vfd);
+ video_device_release(mpp_dev->vfd);
+
+ mpp_srv_detach(mpp_dev->srv);
+
+ mpp_dev_power_off(mpp_dev);
+
+ device_init_wakeup(mpp_dev->dev, false);
+ pm_runtime_disable(mpp_dev->dev);
+
+ return 0;
+}
+EXPORT_SYMBOL(mpp_dev_common_remove);
+
+void mpp_debug_dump_reg(void __iomem *regs, int count)
+{
+ int i;
+
+ pr_info("dumping registers: %p\n", regs);
+
+ for (i = 0; i < count; i++)
+ pr_info("reg[%02d]: %08x\n", i, readl_relaxed(regs + i * 4));
+}
+EXPORT_SYMBOL(mpp_debug_dump_reg);
+
+void mpp_debug_dump_reg_mem(u32 *regs, int count)
+{
+ int i;
+
+ pr_info("Dumping registers: %p\n", regs);
+
+ for (i = 0; i < count; i++)
+ pr_info("reg[%03d]: %08x\n", i, regs[i]);
+}
+EXPORT_SYMBOL(mpp_debug_dump_reg_mem);
+
+void mpp_dev_write_seq(struct rockchip_mpp_dev *mpp_dev, unsigned long offset,
+ void *buffer, unsigned long count)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ u32 *cur = (u32 *)buffer;
+ u32 pos = offset + i * 4;
+ u32 j = i + (u32)(offset / 4);
+
+ cur += i;
+ mpp_debug(DEBUG_SET_REG, "write reg[%03d]: %08x\n", j, *cur);
+ iowrite32(*cur, mpp_dev->reg_base + pos);
+ }
+}
+EXPORT_SYMBOL(mpp_dev_write_seq);
+
+void mpp_dev_write(struct rockchip_mpp_dev *mpp, u32 reg, u32 val)
+{
+ mpp_debug(DEBUG_SET_REG, "write reg[%03d]: %08x\n", reg / 4, val);
+ iowrite32(val, mpp->reg_base + reg);
+}
+EXPORT_SYMBOL(mpp_dev_write);
+
+void mpp_dev_read_seq(struct rockchip_mpp_dev *mpp_dev,
+ unsigned long offset, void *buffer,
+ unsigned long count)
+{
+ int i = 0;
+
+ for (i = 0; i < count; i++) {
+ u32 *cur = (u32 *)buffer;
+ u32 pos = offset / 4 + i;
+
+ cur += i;
+ *cur = ioread32(mpp_dev->reg_base + pos * 4);
+ mpp_debug(DEBUG_GET_REG, "get reg[%03d]: %08x\n", pos, *cur);
+ }
+}
+EXPORT_SYMBOL(mpp_dev_read_seq);
+
+u32 mpp_dev_read(struct rockchip_mpp_dev *mpp, u32 reg)
+{
+ u32 val = ioread32(mpp->reg_base + reg);
+
+ mpp_debug(DEBUG_GET_REG, "get reg[%03d] 0x%x: %08x\n", reg / 4,
+ reg, val);
+ return val;
+}
+EXPORT_SYMBOL(mpp_dev_read);
+
+void mpp_debug_time_record(struct mpp_task *task)
+{
+ if (unlikely(debug & DEBUG_TIMING) && task)
+ getboottime64(&task->start);
+}
+EXPORT_SYMBOL(mpp_debug_time_record);
+
+void mpp_debug_time_diff(struct mpp_task *task)
+{
+ struct timespec64 end;
+
+ getboottime64(&end);
+ mpp_debug(DEBUG_TIMING, "time: %lld ms\n",
+ (end.tv_sec - task->start.tv_sec) * 1000 +
+ (end.tv_nsec - task->start.tv_nsec) / 1000000);
+}
+EXPORT_SYMBOL(mpp_debug_time_diff);
+
+static int mpp_m2m_querycap(struct file *filp, void *fh,
+ struct v4l2_capability *cap)
+{
+ struct rockchip_mpp_dev *mpp_dev = video_drvdata(filp);
+
+ strscpy(cap->driver, MPP_MODULE_NAME, sizeof(cap->driver));
+ strscpy(cap->card, MPP_MODULE_NAME, sizeof(cap->card));
+ snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
+ dev_name(mpp_dev->dev));
+
+ cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE;
+ cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+
+ return 0;
+}
+
+static int mpp_g_fmt_mplane(struct file *filp, void *fh, struct v4l2_format *f)
+{
+ struct mpp_session *session = container_of(filp->private_data,
+ struct mpp_session, fh);
+
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ struct v4l2_pix_format_mplane *fmt = NULL;
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ fmt = &session->fmt_cap;
+ else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ fmt = &session->fmt_out;
+
+ *pix_mp = *fmt;
+
+ return 0;
+}
+
+static int mpp_enum_fmt_mplane(struct file *filp, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ struct rockchip_mpp_dev *mpp_dev = video_drvdata(filp);
+ const struct v4l2_pix_format_mplane *formats;
+ unsigned int num_fmts;
+
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ num_fmts = ARRAY_SIZE(mpp_dev->fmt_out);
+ formats = mpp_dev->fmt_out;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ num_fmts = ARRAY_SIZE(mpp_dev->fmt_cap);
+ formats = mpp_dev->fmt_cap;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (f->index >= num_fmts)
+ return -EINVAL;
+
+ if (formats[f->index].pixelformat == 0)
+ return -EINVAL;
+
+ f->pixelformat = formats[f->index].pixelformat;
+
+ return 0;
+}
+
+static int mpp_try_fmt_mplane(struct file *filp, void *priv,
+ struct v4l2_format *f)
+{
+ struct rockchip_mpp_dev *mpp_dev = video_drvdata(filp);
+ const struct v4l2_pix_format_mplane *formats;
+ unsigned int num_fmts;
+ int i;
+
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ num_fmts = ARRAY_SIZE(mpp_dev->fmt_out);
+ formats = mpp_dev->fmt_out;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ num_fmts = ARRAY_SIZE(mpp_dev->fmt_cap);
+ formats = mpp_dev->fmt_cap;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (i = 0; i < num_fmts; i++) {
+ if (f->fmt.pix_mp.pixelformat == formats[i].pixelformat)
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+const struct v4l2_ioctl_ops mpp_ioctl_ops_templ = {
+ .vidioc_querycap = mpp_m2m_querycap,
+#if 0
+ .vidioc_try_fmt_vid_cap = mpp_try_fmt_cap,
+ .vidioc_try_fmt_vid_out = mpp_try_fmt_out,
+ .vidioc_s_fmt_vid_out = mpp_s_fmt_out,
+ .vidioc_s_fmt_vid_cap = mpp_s_fmt_cap,
+#endif
+ .vidioc_try_fmt_vid_out_mplane = mpp_try_fmt_mplane,
+ .vidioc_try_fmt_vid_cap_mplane = mpp_try_fmt_mplane,
+ .vidioc_g_fmt_vid_out_mplane = mpp_g_fmt_mplane,
+ .vidioc_g_fmt_vid_cap_mplane = mpp_g_fmt_mplane,
+ .vidioc_enum_fmt_vid_out_mplane = mpp_enum_fmt_mplane,
+ .vidioc_enum_fmt_vid_cap_mplane = mpp_enum_fmt_mplane,
+
+ .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+ .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
+ .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+ .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+ .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+
+ .vidioc_streamon = v4l2_m2m_ioctl_streamon,
+ .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+};
+EXPORT_SYMBOL(mpp_ioctl_ops_templ);
+
+static int mpp_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers,
+ unsigned int *num_planes, unsigned int sizes[],
+ struct device *alloc_devs[])
+{
+ struct mpp_session *session = vb2_get_drv_priv(vq);
+ struct v4l2_pix_format_mplane *pixfmt;
+ int i;
+
+ switch (vq->type) {
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ pixfmt = &session->fmt_out;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ pixfmt = &session->fmt_cap;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (*num_planes) {
+ if (*num_planes != pixfmt->num_planes)
+ return -EINVAL;
+ for (i = 0; i < pixfmt->num_planes; ++i)
+ if (sizes[i] < pixfmt->plane_fmt[i].sizeimage)
+ return -EINVAL;
+
+ return 0;
+ }
+
+ *num_planes = pixfmt->num_planes;
+ for (i = 0; i < pixfmt->num_planes; i++)
+ sizes[i] = pixfmt->plane_fmt[i].sizeimage;
+
+ return 0;
+}
+
+/* I am sure what is used for */
+static int mpp_buf_out_validata(struct vb2_buffer *vb)
+{
+ return 0;
+}
+
+static int mpp_start_streaming(struct vb2_queue *vq, unsigned int count)
+{
+ struct mpp_session *session = vb2_get_drv_priv(vq);
+
+ if (V4L2_TYPE_IS_OUTPUT(vq->type))
+ session->sequence_out = 0;
+ else
+ session->sequence_cap = 0;
+
+ return 0;
+}
+
+static void mpp_stop_streaming(struct vb2_queue *vq)
+{
+ struct mpp_session *session = vb2_get_drv_priv(vq);
+
+ for (;;) {
+ struct vb2_v4l2_buffer *vbuf;
+
+ if (V4L2_TYPE_IS_OUTPUT(vq->type))
+ vbuf = v4l2_m2m_src_buf_remove(session->fh.m2m_ctx);
+ else
+ vbuf = v4l2_m2m_dst_buf_remove(session->fh.m2m_ctx);
+
+ if (!vbuf)
+ break;
+
+ v4l2_ctrl_request_complete(vbuf->vb2_buf.req_obj.req,
+ &session->ctrl_handler);
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+ }
+}
+
+static void mpp_buf_queue(struct vb2_buffer *vb) {
+ struct mpp_session *session = vb2_get_drv_priv(vb->vb2_queue);
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+ /* TODO: may alloc registers table here */
+ v4l2_m2m_buf_queue(session->fh.m2m_ctx, vbuf);
+}
+
+static void mpp_buf_request_complete(struct vb2_buffer *vb) {
+ struct mpp_session *session = vb2_get_drv_priv(vb->vb2_queue);
+
+ v4l2_ctrl_request_complete(vb->req_obj.req, &session->ctrl_handler);
+}
+
+static const struct vb2_ops mpp_queue_ops = {
+ .queue_setup = mpp_queue_setup,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ /*
+ * TODO: may write back feedback to userspace .buf_finish for encoder,
+ * not the slice header which the job of the userspace
+ */
+ /* TODO: fill the INPUT buffer with device configure at .buf_prepare */
+ .buf_out_validate = mpp_buf_out_validata,
+ .start_streaming = mpp_start_streaming,
+ .stop_streaming = mpp_stop_streaming,
+ .buf_queue = mpp_buf_queue,
+ .buf_request_complete = mpp_buf_request_complete,
+};
+
+static int rockchip_mpp_queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq)
+{
+ struct mpp_session *session = priv;
+ int ret;
+
+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+ src_vq->drv_priv = session;
+ src_vq->mem_ops = &vb2_dma_contig_memops;
+ src_vq->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES |
+ DMA_ATTR_NO_KERNEL_MAPPING;
+ src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ src_vq->min_buffers_needed = 1;
+ src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ src_vq->lock = &session->mpp_dev->dev_lock;
+ src_vq->ops = &mpp_queue_ops;
+ src_vq->dev = session->mpp_dev->v4l2_dev.dev;
+ src_vq->supports_requests = true;
+
+ ret = vb2_queue_init(src_vq);
+ if (ret)
+ return ret;
+
+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+ dst_vq->min_buffers_needed = 1;
+ dst_vq->drv_priv = session;
+ dst_vq->mem_ops = &vb2_dma_contig_memops;
+ dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ dst_vq->lock = &session->mpp_dev->dev_lock;
+ dst_vq->ops = &mpp_queue_ops;
+ dst_vq->dev = session->mpp_dev->v4l2_dev.dev;
+
+ ret = vb2_queue_init(dst_vq);
+
+ return ret;
+}
+
+void *rockchip_mpp_alloc_session(struct rockchip_mpp_dev *mpp_dev,
+ struct video_device *vdev)
+{
+ struct mpp_session *session = NULL;
+ int error = 0;
+
+ mpp_debug_enter();
+
+ session = kzalloc(sizeof(*session), GFP_KERNEL);
+ if (!session)
+ return ERR_PTR(-ENOMEM);
+
+ session->pid = current->pid;
+ session->mpp_dev = mpp_dev;
+ mutex_init(&session->lock);
+ INIT_LIST_HEAD(&session->pending);
+ init_waitqueue_head(&session->wait);
+ error = kfifo_alloc(&session->done_fifo, MPP_SESSION_MAX_DONE_TASK,
+ GFP_KERNEL);
+ if (error < 0)
+ goto fail;
+
+ atomic_set(&session->task_running, 0);
+ INIT_LIST_HEAD(&session->list_session);
+
+ session->fh.m2m_ctx = v4l2_m2m_ctx_init(mpp_dev->m2m_dev, session,
+ rockchip_mpp_queue_init);
+ if (IS_ERR(session->fh.m2m_ctx)) {
+ error = PTR_ERR(session->fh.m2m_ctx);
+ goto fail;
+ }
+ v4l2_fh_init(&session->fh, vdev);
+ v4l2_fh_add(&session->fh);
+
+ mpp_debug_leave();
+
+ return session;
+
+fail:
+ kfree(session);
+ return ERR_PTR(error);
+}
+EXPORT_SYMBOL(rockchip_mpp_alloc_session);
+
+int rockchip_mpp_dev_release(struct file *filp)
+{
+ struct mpp_session *session = container_of(filp->private_data,
+ struct mpp_session, fh);
+ struct rockchip_mpp_dev *mpp_dev = video_drvdata(filp);
+
+ mpp_debug_enter();
+ if (!session)
+ return -EINVAL;
+
+ /* TODO: is it necessary for v4l2? */
+#if 0
+ int task_running;
+ task_running = atomic_read(&session->task_running);
+ if (task_running) {
+ pr_err("session %d still has %d task running when closing\n",
+ session->pid, task_running);
+ msleep(50);
+ }
+ wake_up(&session->wait);
+#endif
+
+ v4l2_m2m_ctx_release(session->fh.m2m_ctx);
+ v4l2_fh_del(&session->fh);
+ v4l2_fh_exit(&session->fh);
+ v4l2_ctrl_handler_free(&session->ctrl_handler);
+ mpp_dev_session_clear(mpp_dev, session);
+
+ kfifo_free(&session->done_fifo);
+ filp->private_data = NULL;
+
+ mpp_dev_power_off(mpp_dev);
+ kfree(session);
+
+ dev_dbg(mpp_dev->dev, "closed\n");
+ mpp_debug_leave();
+ return 0;
+}
+EXPORT_SYMBOL(rockchip_mpp_dev_release);
+
+void *rockchip_mpp_get_cur_ctrl(struct mpp_session *session, u32 id)
+{
+ struct v4l2_ctrl *ctrl;
+
+ ctrl = v4l2_ctrl_find(&session->ctrl_handler, id);
+ return ctrl ? ctrl->p_cur.p : NULL;
+}
+EXPORT_SYMBOL(rockchip_mpp_get_cur_ctrl);
+
+int rockchip_mpp_get_ref_idx(struct vb2_queue *queue,
+ struct vb2_buffer *vb2_buf, u64 timestamp)
+{
+ /* FIXME: TODO: the timestamp is not copied yet before copy_data */
+ if (vb2_buf->timestamp == timestamp)
+ return vb2_buf->index;
+ else
+ return vb2_find_timestamp(queue, timestamp, 0);
+}
+EXPORT_SYMBOL(rockchip_mpp_get_ref_idx);
+
+dma_addr_t rockchip_mpp_find_addr(struct vb2_queue *queue,
+ struct vb2_buffer *vb2_buf, u64 timestamp)
+{
+ int idx = -1;
+
+ idx = rockchip_mpp_get_ref_idx(queue, vb2_buf, timestamp);
+ if (idx < 0)
+ return 0;
+
+ return vb2_dma_contig_plane_dma_addr(queue->bufs[idx], 0);
+}
+EXPORT_SYMBOL(rockchip_mpp_find_addr);
+
+static const struct v4l2_file_operations mpp_v4l2_default_fops = {
+ .open = rockchip_mpp_dev_open,
+ .release = rockchip_mpp_dev_release,
+ .poll = v4l2_m2m_fop_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .mmap = v4l2_m2m_fop_mmap,
+};
+
+static int __init mpp_device_init(void)
+{
+ mpp_device_class = class_create(THIS_MODULE, "mpp_device");
+ if (PTR_ERR_OR_ZERO(mpp_device_class))
+ return PTR_ERR(mpp_device_class);
+
+ return 0;
+}
+
+static void __exit mpp_device_exit(void)
+{
+ class_destroy(mpp_device_class);
+}
+
+module_init(mpp_device_init);
+module_exit(mpp_device_exit);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/rockchip-mpp/mpp_dev_common.h b/drivers/staging/rockchip-mpp/mpp_dev_common.h
new file mode 100644
index 000000000000..36770af53a95
--- /dev/null
+++ b/drivers/staging/rockchip-mpp/mpp_dev_common.h
@@ -0,0 +1,212 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2016 - 2017 Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _ROCKCHIP_MPP_DEV_COMMON_H_
+#define _ROCKCHIP_MPP_DEV_COMMON_H_
+
+#include <linux/dma-buf.h>
+#include <linux/kfifo.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+#include <linux/reset.h>
+
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-subdev.h>
+#include <media/videobuf2-v4l2.h>
+
+#include "mpp_service.h"
+
+#define MPP_MODULE_NAME "rk-mpp"
+
+extern const struct v4l2_ioctl_ops mpp_ioctl_ops_templ;
+
+struct mpp_dev_variant {
+ u32 reg_len;
+ const char *node_name;
+ u32 version_bit;
+ int vfd_func;
+};
+
+/* Definition in mpp service file */
+struct mpp_service;
+
+struct rockchip_mpp_dev {
+ struct device *dev;
+
+ const struct mpp_dev_variant *variant;
+ struct mpp_dev_ops *ops;
+ struct v4l2_pix_format_mplane fmt_out[16];
+ struct v4l2_pix_format_mplane fmt_cap[16];
+
+ void __iomem *reg_base;
+ int irq;
+ struct workqueue_struct *irq_workq;
+ struct iommu_domain *domain;
+
+ rwlock_t resource_rwlock;
+ atomic_t reset_request;
+
+ struct v4l2_device v4l2_dev;
+ struct v4l2_m2m_dev *m2m_dev;
+ struct media_device mdev;
+ struct video_device *vfd;
+ struct mutex dev_lock;
+
+ /* MPP Service */
+ struct mpp_service_node *srv;
+};
+
+struct mpp_task;
+
+struct mpp_session {
+ /* the session related device private data */
+ struct rockchip_mpp_dev *mpp_dev;
+ /* a linked list of data so we can access them for debugging */
+ struct list_head list_session;
+
+ /* session tasks list lock */
+ struct mutex lock;
+ struct list_head pending;
+
+ DECLARE_KFIFO_PTR(done_fifo, struct mpp_task *);
+
+ wait_queue_head_t wait;
+ pid_t pid;
+ atomic_t task_running;
+
+ struct v4l2_fh fh;
+ u32 sequence_cap;
+ u32 sequence_out;
+
+ struct v4l2_pix_format_mplane fmt_out;
+ struct v4l2_pix_format_mplane fmt_cap;
+
+ struct v4l2_ctrl_handler ctrl_handler;
+ /* TODO: FIXME: slower than helper function ? */
+ struct v4l2_ctrl **ctrls;
+};
+
+/* The context for the a task */
+struct mpp_task {
+ /* context belong to */
+ struct mpp_session *session;
+
+ /* link to service session */
+ struct list_head session_link;
+ /* link to service list */
+ struct list_head service_link;
+ struct work_struct work;
+
+ /* record context running start time */
+ struct timespec64 start;
+};
+
+/*
+ * struct mpp_dev_ops - context specific operations for a device
+ * The task part
+ * @alloc_task
+ * @prepare Check HW status for determining run next task or not.
+ * @run Start a single {en,de}coding run. Set registers to hardware.
+ * @finish Read back processing results and additional data from hardware.
+ * @result Read status to userspace.
+ * @free_task Release the resource allocate during init.
+ * The device part
+ * @reset
+ */
+struct mpp_dev_ops {
+ /* size: in bytes, data sent from userspace, length in bytes */
+ void *(*alloc_task)(struct mpp_session *session,
+ void __user *src, u32 size);
+ int (*prepare)(struct rockchip_mpp_dev *mpp_dev, struct mpp_task *task);
+ int (*run)(struct rockchip_mpp_dev *mpp_dev, struct mpp_task *task);
+ int (*finish)(struct rockchip_mpp_dev *mpp_dev, struct mpp_task *task);
+ int (*result)(struct rockchip_mpp_dev *mpp_dev, struct mpp_task *task,
+ u32 __user *dst, u32 size);
+ int (*free_task)(struct mpp_session *session,
+ struct mpp_task *task);
+ /* Hardware only operations */
+ int (*reset)(struct rockchip_mpp_dev *mpp_dev);
+};
+
+struct rockchip_mpp_control {
+ u32 codec;
+ u32 id;
+ u32 elem_size;
+};
+
+void *rockchip_mpp_alloc_session(struct rockchip_mpp_dev *mpp_dev,
+ struct video_device *vdev);
+int rockchip_mpp_dev_release(struct file *filp);
+
+void *rockchip_mpp_get_cur_ctrl(struct mpp_session *session, u32 id);
+int rockchip_mpp_get_ref_idx(struct vb2_queue *queue,
+ struct vb2_buffer *vb2_buf, u64 timestamp);
+dma_addr_t rockchip_mpp_find_addr(struct vb2_queue *queue,
+ struct vb2_buffer *vb2_buf, u64 timestamp);
+
+int mpp_dev_task_init(struct mpp_session *session, struct mpp_task *task);
+void mpp_dev_task_finish(struct mpp_session *session, struct mpp_task *task);
+void mpp_dev_task_finalize(struct mpp_session *session, struct mpp_task *task);
+
+void mpp_dev_power_on(struct rockchip_mpp_dev *mpp);
+void mpp_dev_power_off(struct rockchip_mpp_dev *mpp);
+bool mpp_dev_is_power_on(struct rockchip_mpp_dev *mpp);
+
+void mpp_dump_reg(void __iomem *regs, int count);
+void mpp_dump_reg_mem(u32 *regs, int count);
+
+int mpp_dev_common_probe(struct rockchip_mpp_dev *mpp_dev,
+ struct platform_device *pdev,
+ struct mpp_dev_ops *ops);
+int mpp_dev_register_node(struct rockchip_mpp_dev *mpp_dev,
+ const char *node_name, const void *v4l2_fops,
+ const void *v4l2_ioctl_ops);
+int mpp_dev_common_remove(struct rockchip_mpp_dev *mpp_dev);
+
+static inline void safe_reset(struct reset_control *rst)
+{
+ if (rst)
+ reset_control_assert(rst);
+}
+
+static inline void safe_unreset(struct reset_control *rst)
+{
+ if (rst)
+ reset_control_deassert(rst);
+}
+
+void mpp_dev_write_seq(struct rockchip_mpp_dev *mpp_dev,
+ unsigned long offset, void *buffer,
+ unsigned long count);
+
+void mpp_dev_write(struct rockchip_mpp_dev *mpp, u32 val, u32 reg);
+
+void mpp_dev_read_seq(struct rockchip_mpp_dev *mpp_dev,
+ unsigned long offset, void *buffer,
+ unsigned long count);
+
+u32 mpp_dev_read(struct rockchip_mpp_dev *mpp, u32 reg);
+
+void mpp_debug_time_record(struct mpp_task *task);
+void mpp_debug_time_diff(struct mpp_task *task);
+
+void mpp_debug_dump_reg(void __iomem *regs, int count);
+void mpp_debug_dump_reg_mem(u32 *regs, int count);
+
+#endif
+ .elem_size = sizeof(struct v4l2_ctrl_hevc_pps),
+ },
+ {
+ .codec = V4L2_PIX_FMT_HEVC_SLICE,
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS,
+ .elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params),
+ },
+};
+
+static struct rockchip_mpp_control rkvdec_controls[] = {
+ {
+ .codec = V4L2_PIX_FMT_HEVC_SLICE,
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SPS,
+ .elem_size = sizeof(struct v4l2_ctrl_hevc_sps),
+ },
+ {
+ .codec = V4L2_PIX_FMT_HEVC_SLICE,
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_PPS,
+ .elem_size = sizeof(struct v4l2_ctrl_hevc_pps),
+ },
+ {
+ .codec = V4L2_PIX_FMT_HEVC_SLICE,
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS,
+ .elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params),
+ },
+ {
+ .codec = V4L2_PIX_FMT_H264_SLICE,
