msm: camera: CPP driver Framework
Initial commit for Camera Post Processor Driver.
The driver contains frame queuing and process logic
using v4l2 framework.
Change-Id: I283c11c3de3bd121b9c3ea5af1446c13e188d329
Signed-off-by: Kevin Chan <ktchan@codeaurora.org>
diff --git a/drivers/media/video/msm/Kconfig b/drivers/media/video/msm/Kconfig
index 5ffc133..9c791e4 100644
--- a/drivers/media/video/msm/Kconfig
+++ b/drivers/media/video/msm/Kconfig
@@ -271,6 +271,15 @@
cores and composite them into a single
interrupt to the MSM.
+config MSM_CPP
+ bool "Qualcomm MSM Camera Post Processing Engine support"
+ depends on MSM_CAMERA && MSM_CAMERA_V4L2
+ ---help---
+ Enable support for Camera Post-processing Engine
+ The Post processing engine is capable of scaling
+ and cropping image. The driver support V4L2 subdev
+ APIs.
+
config QUP_EXCLUSIVE_TO_CAMERA
bool "QUP exclusive to camera"
depends on MSM_CAMERA
diff --git a/drivers/media/video/msm/Makefile b/drivers/media/video/msm/Makefile
index 431da2e..63120da 100644
--- a/drivers/media/video/msm/Makefile
+++ b/drivers/media/video/msm/Makefile
@@ -13,6 +13,7 @@
EXTRA_CFLAGS += -Idrivers/media/video/msm/server
obj-$(CONFIG_MSM_CAMERA) += msm_isp.o msm.o msm_mem.o msm_mctl.o msm_mctl_buf.o msm_mctl_pp.o
obj-$(CONFIG_MSM_CAMERA) += server/ eeprom/ sensors/ actuators/ csi/
+ obj-$(CONFIG_MSM_CPP) += cpp/
obj-$(CONFIG_MSM_CAMERA) += msm_gesture.o
obj-$(CONFIG_MSM_CAM_IRQ_ROUTER) += msm_camirq_router.o
else
diff --git a/drivers/media/video/msm/cpp/Makefile b/drivers/media/video/msm/cpp/Makefile
new file mode 100644
index 0000000..b4f1fdf
--- /dev/null
+++ b/drivers/media/video/msm/cpp/Makefile
@@ -0,0 +1,5 @@
+GCC_VERSION := $(shell $(CONFIG_SHELL) $(PWD)/scripts/gcc-version.sh $(CROSS_COMPILE)gcc)
+ccflags-y += -Idrivers/media/video/msm
+ccflags-y += -Idrivers/media/video/msm/io
+obj-$(CONFIG_MSM_CPP) += msm_cpp.o
+
diff --git a/drivers/media/video/msm/cpp/msm_cpp.c b/drivers/media/video/msm/cpp/msm_cpp.c
new file mode 100644
index 0000000..e569388
--- /dev/null
+++ b/drivers/media/video/msm/cpp/msm_cpp.c
@@ -0,0 +1,412 @@
+/* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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/clk.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <mach/board.h>
+#include <mach/camera.h>
+#include <mach/vreg.h>
+#include <media/msm_isp.h>
+#include <linux/proc_fs.h>
+#include <linux/debugfs.h>
+
+#include "msm_cpp.h"
+#include "msm.h"
+
+#define CONFIG_MSM_CPP_DBG 0
+
+#if CONFIG_MSM_CPP_DBG
+#define CPP_DBG(fmt, args...) pr_info(fmt, ##args)
+#else
+#define CPP_DBG(fmt, args...) pr_debug(fmt, ##args)
+#endif
+
+static int cpp_open_node(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ uint32_t i;
+ struct cpp_device *cpp_dev = v4l2_get_subdevdata(sd);
+ CPP_DBG("%s\n", __func__);
+
+ mutex_lock(&cpp_dev->mutex);
+ if (cpp_dev->cpp_open_cnt == MAX_ACTIVE_CPP_INSTANCE) {
+ pr_err("No free CPP instance\n");
+ mutex_unlock(&cpp_dev->mutex);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < MAX_ACTIVE_CPP_INSTANCE; i++) {
+ if (cpp_dev->cpp_subscribe_list[i].active == 0) {
+ cpp_dev->cpp_subscribe_list[i].active = 1;
+ cpp_dev->cpp_subscribe_list[i].vfh = &fh->vfh;
+ break;
+ }
+ }
+ if (i == MAX_ACTIVE_CPP_INSTANCE) {
+ pr_err("No free instance\n");
+ mutex_unlock(&cpp_dev->mutex);
+ return -ENODEV;
+ }
+
+ CPP_DBG("open %d %p\n", i, &fh->vfh);
+ cpp_dev->cpp_open_cnt++;
+ mutex_unlock(&cpp_dev->mutex);
+ return 0;
+}
+
+static int cpp_close_node(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+ uint32_t i;
+ struct cpp_device *cpp_dev = v4l2_get_subdevdata(sd);
+ mutex_lock(&cpp_dev->mutex);
+ for (i = 0; i < MAX_ACTIVE_CPP_INSTANCE; i++) {
+ if (cpp_dev->cpp_subscribe_list[i].vfh == &fh->vfh) {
+ cpp_dev->cpp_subscribe_list[i].active = 0;
+ cpp_dev->cpp_subscribe_list[i].vfh = NULL;
+ break;
+ }
+ }
+ if (i == MAX_ACTIVE_CPP_INSTANCE) {
+ pr_err("Invalid close\n");
+ mutex_unlock(&cpp_dev->mutex);
+ return -ENODEV;
+ }
+
+ CPP_DBG("close %d %p\n", i, &fh->vfh);
+ cpp_dev->cpp_open_cnt--;
+ mutex_unlock(&cpp_dev->mutex);
+ return 0;
+}
+
+static const struct v4l2_subdev_internal_ops msm_cpp_internal_ops = {
+ .open = cpp_open_node,
+ .close = cpp_close_node,
+};
+
+static int msm_cpp_notify_frame_done(struct cpp_device *cpp_dev)
+{
+ struct v4l2_event v4l2_evt;
+ struct msm_queue_cmd *frame_qcmd;
+ struct msm_queue_cmd *event_qcmd;
+ struct msm_cpp_frame_info_t *processed_frame;
+ struct msm_device_queue *queue = &cpp_dev->processing_q;
+
+ if (queue->len > 0) {
+ frame_qcmd = msm_dequeue(queue, list_frame);
+ processed_frame = frame_qcmd->command;
+
+ event_qcmd = kzalloc(sizeof(struct msm_queue_cmd), GFP_KERNEL);
+ if (!event_qcmd) {
+ pr_err("%s Insufficient memory. return", __func__);
+ return -ENOMEM;
+ }
+ atomic_set(&event_qcmd->on_heap, 1);
+ event_qcmd->command = processed_frame;
+ CPP_DBG("fid %d\n", processed_frame->frame_id);
+ msm_enqueue(&cpp_dev->eventData_q, &event_qcmd->list_eventdata);
+
+ v4l2_evt.id = processed_frame->inst_id;
+ v4l2_evt.type = V4L2_EVENT_CPP_FRAME_DONE;
+ v4l2_event_queue(cpp_dev->subdev.devnode, &v4l2_evt);
+ }
+ return 0;
+}
+
+static int msm_cpp_send_frame_to_hardware(struct cpp_device *cpp_dev)
+{
+ struct msm_queue_cmd *frame_qcmd;
+ struct msm_cpp_frame_info_t *process_frame;
+ struct msm_device_queue *queue;
+
+ if (cpp_dev->processing_q.len < MAX_CPP_PROCESSING_FRAME) {
+ while (cpp_dev->processing_q.len < MAX_CPP_PROCESSING_FRAME) {
+ if (cpp_dev->realtime_q.len != 0) {
+ queue = &cpp_dev->realtime_q;
+ } else if (cpp_dev->offline_q.len != 0) {
+ queue = &cpp_dev->offline_q;
+ } else {
+ pr_debug("%s: All frames queued\n", __func__);
+ break;
+ }
+ frame_qcmd = msm_dequeue(queue, list_frame);
+ /*TBD Code to actually sending to harware*/
+ process_frame = frame_qcmd->command;
+
+ msm_enqueue(&cpp_dev->processing_q,
+ &frame_qcmd->list_frame);
+ }
+ }
+ return 0;
+}
+
+long msm_cpp_subdev_ioctl(struct v4l2_subdev *sd,
+ unsigned int cmd, void *arg)
+{
+ struct cpp_device *cpp_dev = v4l2_get_subdevdata(sd);
+ struct msm_camera_v4l2_ioctl_t *ioctl_ptr = arg;
+ int rc = 0;
+
+ CPP_DBG("%s: %d\n", __func__, __LINE__);
+ mutex_lock(&cpp_dev->mutex);
+ CPP_DBG("%s cmd: %d\n", __func__, cmd);
+ switch (cmd) {
+ case VIDIOC_MSM_CPP_CFG: {
+ struct msm_queue_cmd *frame_qcmd;
+ struct msm_cpp_frame_info_t *new_frame =
+ kzalloc(sizeof(struct msm_cpp_frame_info_t),
+ GFP_KERNEL);
+ if (!new_frame) {
+ pr_err("%s Insufficient memory. return", __func__);
+ mutex_unlock(&cpp_dev->mutex);
+ return -ENOMEM;
+ }
+
+ COPY_FROM_USER(rc, new_frame,
+ (void __user *)ioctl_ptr->ioctl_ptr,
+ sizeof(struct msm_cpp_frame_info_t));
+ if (rc) {
+ ERR_COPY_FROM_USER();
+ kfree(new_frame);
+ mutex_unlock(&cpp_dev->mutex);
+ return -EINVAL;
+ }
+
+ frame_qcmd = kzalloc(sizeof(struct msm_queue_cmd), GFP_KERNEL);
+ if (!frame_qcmd) {
+ pr_err("%s Insufficient memory. return", __func__);
+ kfree(new_frame);
+ mutex_unlock(&cpp_dev->mutex);
+ return -ENOMEM;
+ }
+
+ atomic_set(&frame_qcmd->on_heap, 1);
+ frame_qcmd->command = new_frame;
+ if (new_frame->frame_type == MSM_CPP_REALTIME_FRAME) {
+ msm_enqueue(&cpp_dev->realtime_q,
+ &frame_qcmd->list_frame);
+ } else if (new_frame->frame_type == MSM_CPP_OFFLINE_FRAME) {
+ msm_enqueue(&cpp_dev->offline_q,
+ &frame_qcmd->list_frame);
+ } else {
+ pr_err("%s: Invalid frame type\n", __func__);
+ kfree(new_frame);
+ kfree(frame_qcmd);
+ mutex_unlock(&cpp_dev->mutex);
+ return -EINVAL;
+ }
+ break;
+ }
+ case VIDIOC_MSM_CPP_GET_EVENTPAYLOAD: {
+ struct msm_device_queue *queue = &cpp_dev->eventData_q;
+ struct msm_queue_cmd *event_qcmd;
+ struct msm_cpp_frame_info_t *process_frame;
+ event_qcmd = msm_dequeue(queue, list_eventdata);
+ process_frame = event_qcmd->command;
+ CPP_DBG("fid %d\n", process_frame->frame_id);
+ if (copy_to_user((void __user *)ioctl_ptr->ioctl_ptr,
+ process_frame,
+ sizeof(struct msm_cpp_frame_info_t))) {
+ mutex_unlock(&cpp_dev->mutex);
+ return -EINVAL;
+ }
+ kfree(process_frame);
+ kfree(event_qcmd);
+ break;
+ }
+ }
+ mutex_unlock(&cpp_dev->mutex);
+ CPP_DBG("%s: %d\n", __func__, __LINE__);
+ return 0;
+}
+
+int msm_cpp_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
+ struct v4l2_event_subscription *sub)
+{
+ CPP_DBG("%s\n", __func__);
+ return v4l2_event_subscribe(fh, sub, MAX_CPP_V4l2_EVENTS);
+}
+
+int msm_cpp_unsubscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
+ struct v4l2_event_subscription *sub)
+{
+ CPP_DBG("%s\n", __func__);
+ return v4l2_event_unsubscribe(fh, sub);
+}
+
+static struct v4l2_subdev_core_ops msm_cpp_subdev_core_ops = {
+ .ioctl = msm_cpp_subdev_ioctl,
+ .subscribe_event = msm_cpp_subscribe_event,
+ .unsubscribe_event = msm_cpp_unsubscribe_event,
+};
+
+static const struct v4l2_subdev_ops msm_cpp_subdev_ops = {
+ .core = &msm_cpp_subdev_core_ops,
+};
+
+static int msm_cpp_enable_debugfs(struct cpp_device *cpp_dev);
+
+static struct v4l2_file_operations msm_cpp_v4l2_subdev_fops;
+
+static long msm_cpp_subdev_do_ioctl(
+ struct file *file, unsigned int cmd, void *arg)
+{
+ struct video_device *vdev = video_devdata(file);
+ struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev);
+ struct v4l2_fh *vfh = file->private_data;
+
+ switch (cmd) {
+ case VIDIOC_DQEVENT:
+ if (!(sd->flags & V4L2_SUBDEV_FL_HAS_EVENTS))
+ return -ENOIOCTLCMD;
+
+ return v4l2_event_dequeue(vfh, arg, file->f_flags & O_NONBLOCK);
+
+ case VIDIOC_SUBSCRIBE_EVENT:
+ return v4l2_subdev_call(sd, core, subscribe_event, vfh, arg);
+
+ case VIDIOC_UNSUBSCRIBE_EVENT:
+ return v4l2_subdev_call(sd, core, unsubscribe_event, vfh, arg);
+
+ case VIDIOC_MSM_CPP_GET_INST_INFO: {
+ uint32_t i;
+ struct cpp_device *cpp_dev = v4l2_get_subdevdata(sd);
+ struct msm_camera_v4l2_ioctl_t *ioctl_ptr = arg;
+ struct msm_cpp_frame_info_t inst_info;
+ for (i = 0; i < MAX_ACTIVE_CPP_INSTANCE; i++) {
+ if (cpp_dev->cpp_subscribe_list[i].vfh == vfh) {
+ inst_info.inst_id = i;
+ break;
+ }
+ }
+ if (copy_to_user(
+ (void __user *)ioctl_ptr->ioctl_ptr, &inst_info,
+ sizeof(struct msm_cpp_frame_info_t))) {
+ return -EINVAL;
+ }
+ }
+ break;
+ default:
+ return v4l2_subdev_call(sd, core, ioctl, cmd, arg);
+ }
+
+ return 0;
+}
+
+static long msm_cpp_subdev_fops_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ return video_usercopy(file, cmd, arg, msm_cpp_subdev_do_ioctl);
+}
+
+static int __devinit cpp_probe(struct platform_device *pdev)
+{
+ struct cpp_device *cpp_dev;
+ struct msm_cam_subdev_info sd_info;
+ int rc = 0;
+ CDBG("%s: device id = %d\n", __func__, pdev->id);
+ cpp_dev = kzalloc(sizeof(struct cpp_device), GFP_KERNEL);
+ if (!cpp_dev) {
+ pr_err("%s: no enough memory\n", __func__);
+ return -ENOMEM;
+ }
+ v4l2_subdev_init(&cpp_dev->subdev, &msm_cpp_subdev_ops);
+ cpp_dev->subdev.internal_ops = &msm_cpp_internal_ops;
+ snprintf(cpp_dev->subdev.name, ARRAY_SIZE(cpp_dev->subdev.name),
+ "cpp");
+ cpp_dev->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+ cpp_dev->subdev.flags |= V4L2_SUBDEV_FL_HAS_EVENTS;
+ v4l2_set_subdevdata(&cpp_dev->subdev, cpp_dev);
+ platform_set_drvdata(pdev, &cpp_dev->subdev);
+ mutex_init(&cpp_dev->mutex);
+
+ cpp_dev->pdev = pdev;
+
+ media_entity_init(&cpp_dev->subdev.entity, 0, NULL, 0);
+ cpp_dev->subdev.entity.type = MEDIA_ENT_T_DEVNODE_V4L;
+ cpp_dev->subdev.entity.group_id = CPP_DEV;
+ cpp_dev->subdev.entity.name = pdev->name;
+ sd_info.sdev_type = CPP_DEV;
+ sd_info.sd_index = pdev->id;
+ msm_cam_register_subdev_node(&cpp_dev->subdev, &sd_info);
+ msm_cpp_v4l2_subdev_fops.owner = v4l2_subdev_fops.owner;
+ msm_cpp_v4l2_subdev_fops.open = v4l2_subdev_fops.open;
+ msm_cpp_v4l2_subdev_fops.unlocked_ioctl = msm_cpp_subdev_fops_ioctl;
+ msm_cpp_v4l2_subdev_fops.release = v4l2_subdev_fops.release;
+ msm_cpp_v4l2_subdev_fops.poll = v4l2_subdev_fops.poll;
+
+ cpp_dev->subdev.devnode->fops = &msm_cpp_v4l2_subdev_fops;
+ cpp_dev->subdev.entity.revision = cpp_dev->subdev.devnode->num;
+ msm_cpp_enable_debugfs(cpp_dev);
+ msm_queue_init(&cpp_dev->eventData_q, "eventdata");
+ msm_queue_init(&cpp_dev->offline_q, "frame");
+ msm_queue_init(&cpp_dev->realtime_q, "frame");
+ msm_queue_init(&cpp_dev->processing_q, "frame");
+ cpp_dev->cpp_open_cnt = 0;
+
+ return rc;
+}
+
+static struct platform_driver cpp_driver = {
+ .probe = cpp_probe,
+ .driver = {
+ .name = MSM_CPP_DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init msm_cpp_init_module(void)
+{
+ return platform_driver_register(&cpp_driver);
+}
+
+static void __exit msm_cpp_exit_module(void)
+{
+ platform_driver_unregister(&cpp_driver);
+}
+
+static int msm_cpp_debugfs_stream_s(void *data, u64 val)
+{
+ struct cpp_device *cpp_dev = data;
+ CPP_DBG("CPP processing frame E\n");
+ while (1) {
+ mutex_lock(&cpp_dev->mutex);
+ msm_cpp_notify_frame_done(cpp_dev);
+ msm_cpp_send_frame_to_hardware(cpp_dev);
+ mutex_unlock(&cpp_dev->mutex);
+ msleep(20);
+ }
+ CPP_DBG("CPP processing frame X\n");
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(cpp_debugfs_stream, NULL,
+ msm_cpp_debugfs_stream_s, "%llu\n");
+
+static int msm_cpp_enable_debugfs(struct cpp_device *cpp_dev)
+{
+ struct dentry *debugfs_base;
+ debugfs_base = debugfs_create_dir("msm_camera", NULL);
+ if (!debugfs_base)
+ return -ENOMEM;
+
+ if (!debugfs_create_file("test", S_IRUGO | S_IWUSR, debugfs_base,
+ (void *)cpp_dev, &cpp_debugfs_stream))
+ return -ENOMEM;
+
+ return 0;
+}
+
+module_init(msm_cpp_init_module);
+module_exit(msm_cpp_exit_module);
+MODULE_DESCRIPTION("MSM CPP driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/video/msm/cpp/msm_cpp.h b/drivers/media/video/msm/cpp/msm_cpp.h
new file mode 100644
index 0000000..8c10cac
--- /dev/null
+++ b/drivers/media/video/msm/cpp/msm_cpp.h
@@ -0,0 +1,65 @@
+/* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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/clk.h>
+#include <linux/io.h>
+#include <linux/list.h>
+#include <media/v4l2-subdev.h>
+
+#define MAX_ACTIVE_CPP_INSTANCE 8
+#define MAX_CPP_PROCESSING_FRAME 2
+#define MAX_CPP_V4l2_EVENTS 30
+
+#define MSM_CPP_MICRO_BASE 0x4000
+#define MSM_CPP_MICRO_HW_VERSION 0x0000
+#define MSM_CPP_MICRO_IRQGEN_STAT 0x0004
+#define MSM_CPP_MICRO_IRQGEN_CLR 0x0008
+#define MSM_CPP_MICRO_IRQGEN_MASK 0x000C
+#define MSM_CPP_MICRO_FIFO_TX_DATA 0x0010
+#define MSM_CPP_MICRO_FIFO_TX_STAT 0x0014
+#define MSM_CPP_MICRO_FIFO_RX_DATA 0x0018
+#define MSM_CPP_MICRO_FIFO_RX_STAT 0x001C
+#define MSM_CPP_MICRO_BOOT_START 0x0020
+#define MSM_CPP_MICRO_BOOT_LDORG 0x0024
+#define MSM_CPP_MICRO_CLKEN_CTL 0x0030
+
+struct cpp_subscribe_info {
+ struct v4l2_fh *vfh;
+ uint32_t active;
+};
+
+struct cpp_device {
+ struct platform_device *pdev;
+ struct v4l2_subdev subdev;
+ struct resource *mem;
+ struct resource *irq;
+ struct resource *io;
+ void __iomem *base;
+ struct clk *cpp_clk[2];
+ struct mutex mutex;
+
+ struct cpp_subscribe_info cpp_subscribe_list[MAX_ACTIVE_CPP_INSTANCE];
+ uint32_t cpp_open_cnt;
+
+ struct msm_device_queue eventData_q; /*V4L2 Event Payload Queue*/
+
+ /*Offline Frame Queue
+ process when realtime queue is empty*/
+ struct msm_device_queue offline_q;
+ /*Realtime Frame Queue
+ process with highest priority*/
+ struct msm_device_queue realtime_q;
+ /*Processing Queue
+ store frame info for frames sent to microcontroller*/
+ struct msm_device_queue processing_q;
+};
+
diff --git a/drivers/media/video/msm/msm.h b/drivers/media/video/msm/msm.h
index d0322d1..30f3c35 100644
--- a/drivers/media/video/msm/msm.h
+++ b/drivers/media/video/msm/msm.h
@@ -59,6 +59,7 @@
#define MSM_MERCURY_DRV_NAME "msm_mercury"
#define MSM_I2C_MUX_DRV_NAME "msm_cam_i2c_mux"
#define MSM_IRQ_ROUTER_DRV_NAME "msm_cam_irq_router"
+#define MSM_CPP_DRV_NAME "msm_cpp"
#define MAX_NUM_CSIPHY_DEV 3
#define MAX_NUM_CSID_DEV 4
@@ -68,6 +69,7 @@
#define MAX_NUM_AXI_DEV 2
#define MAX_NUM_VPE_DEV 1
#define MAX_NUM_JPEG_DEV 3
+#define MAX_NUM_CPP_DEV 1
enum msm_cam_subdev_type {
CSIPHY_DEV,
@@ -82,6 +84,7 @@
EEPROM_DEV,
GESTURE_DEV,
IRQ_ROUTER_DEV,
+ CPP_DEV,
};
/* msm queue management APIs*/
@@ -261,6 +264,7 @@
struct v4l2_subdev *vpe_sdev; /* vpe sub device */
struct v4l2_subdev *axi_sdev; /* axi sub device */
struct v4l2_subdev *eeprom_sdev; /* eeprom sub device */
+ struct v4l2_subdev *cpp_sdev;/*cpp sub device*/
struct msm_isp_ops *isp_sdev; /* isp sub device : camif/VFE */
struct msm_cam_config_dev *config_device;
@@ -540,6 +544,7 @@
struct v4l2_subdev *axi_device[MAX_NUM_AXI_DEV];
struct v4l2_subdev *vpe_device[MAX_NUM_VPE_DEV];
struct v4l2_subdev *gesture_device;
+ struct v4l2_subdev *cpp_device[MAX_NUM_CPP_DEV];
struct v4l2_subdev *irqr_device;
spinlock_t intr_table_lock;
diff --git a/drivers/media/video/msm/server/msm_cam_server.c b/drivers/media/video/msm/server/msm_cam_server.c
index f2bb65f..51b5429 100644
--- a/drivers/media/video/msm/server/msm_cam_server.c
+++ b/drivers/media/video/msm/server/msm_cam_server.c
@@ -1894,8 +1894,17 @@
case GESTURE_DEV:
g_server_dev.gesture_device = sd;
break;
+
case IRQ_ROUTER_DEV:
g_server_dev.irqr_device = sd;
+
+ case CPP_DEV:
+ if (index >= MAX_NUM_CPP_DEV) {
+ pr_err("%s Invalid CPP idx %d", __func__, index);
+ err = -EINVAL;
+ break;
+ }
+ g_server_dev.cpp_device[index] = sd;
break;
default:
break;
diff --git a/include/media/msm_camera.h b/include/media/msm_camera.h
index 3308243..da450fc 100644
--- a/include/media/msm_camera.h
+++ b/include/media/msm_camera.h
@@ -1659,4 +1659,86 @@
#define MSM_IRQROUTER_CFG_COMPIRQ \
_IOWR('V', BASE_VIDIOC_PRIVATE, void __user *)
+#define MAX_NUM_CPP_STRIPS 8
+
+enum msm_cpp_frame_type {
+ MSM_CPP_OFFLINE_FRAME,
+ MSM_CPP_REALTIME_FRAME,
+};
+
+struct msm_cpp_frame_strip_info {
+ int scale_v_en;
+ int scale_h_en;
+
+ int upscale_v_en;
+ int upscale_h_en;
+
+ int src_start_x;
+ int src_end_x;
+ int src_start_y;
+ int src_end_y;
+
+ /* Padding is required for upscaler because it does not
+ * pad internally like other blocks, also needed for rotation
+ * rotation expects all the blocks in the stripe to be the same size
+ * Padding is done such that all the extra padded pixels
+ * are on the right and bottom
+ */
+ int pad_bottom;
+ int pad_top;
+ int pad_right;
+ int pad_left;
+
+ int v_init_phase;
+ int h_init_phase;
+ int h_phase_step;
+ int v_phase_step;
+
+ int prescale_crop_width_first_pixel;
+ int prescale_crop_width_last_pixel;
+ int prescale_crop_height_first_line;
+ int prescale_crop_height_last_line;
+
+ int postscale_crop_height_first_line;
+ int postscale_crop_height_last_line;
+ int postscale_crop_width_first_pixel;
+ int postscale_crop_width_last_pixel;
+
+ int dst_start_x;
+ int dst_end_x;
+ int dst_start_y;
+ int dst_end_y;
+
+ int bytes_per_pixel;
+ unsigned int source_address;
+ unsigned int destination_address;
+ unsigned int src_stride;
+ unsigned int dst_stride;
+ int rotate_270;
+ int horizontal_flip;
+ int vertical_flip;
+ int scale_output_width;
+ int scale_output_height;
+};
+
+struct msm_cpp_frame_info_t {
+ int32_t frame_id;
+ uint32_t inst_id;
+ uint32_t client_id;
+ enum msm_cpp_frame_type frame_type;
+ uint32_t num_strips;
+ struct msm_cpp_frame_strip_info *strip_info;
+};
+
+#define VIDIOC_MSM_CPP_CFG \
+ _IOWR('V', BASE_VIDIOC_PRIVATE, struct msm_camera_v4l2_ioctl_t)
+
+#define VIDIOC_MSM_CPP_GET_EVENTPAYLOAD \
+ _IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct msm_camera_v4l2_ioctl_t)
+
+#define VIDIOC_MSM_CPP_GET_INST_INFO \
+ _IOWR('V', BASE_VIDIOC_PRIVATE + 2, struct msm_camera_v4l2_ioctl_t)
+
+#define V4L2_EVENT_CPP_FRAME_DONE (V4L2_EVENT_PRIVATE_START + 0)
+
#endif /* __LINUX_MSM_CAMERA_H */