[RFC v2 8/8] drm: tegra: Add gr2d device
From: Terje Bergstrom
Date: Mon Nov 26 2012 - 08:16:31 EST
Add client driver for 2D device.
Signed-off-by: Arto Merilainen <amerilainen@xxxxxxxxxx>
Signed-off-by: Terje Bergstrom <tbergstrom@xxxxxxxxxx>
---
drivers/gpu/drm/tegra/Makefile | 2 +-
drivers/gpu/drm/tegra/drm.c | 231 +++++++++++++++++++++++++++++++++++++++-
drivers/gpu/drm/tegra/drm.h | 42 ++++++--
drivers/gpu/drm/tegra/gr2d.c | 224 ++++++++++++++++++++++++++++++++++++++
include/drm/tegra_drm.h | 129 ++++++++++++++++++++++
5 files changed, 615 insertions(+), 13 deletions(-)
create mode 100644 drivers/gpu/drm/tegra/gr2d.c
create mode 100644 include/drm/tegra_drm.h
diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile
index 53ea383..5e85042 100644
--- a/drivers/gpu/drm/tegra/Makefile
+++ b/drivers/gpu/drm/tegra/Makefile
@@ -1,7 +1,7 @@
ccflags-y := -Iinclude/drm
ccflags-$(CONFIG_DRM_TEGRA_DEBUG) += -DDEBUG
-tegra-drm-y := drm.o fb.o dc.o
+tegra-drm-y := drm.o fb.o dc.o gr2d.o
tegra-drm-y += output.o rgb.o hdmi.o tvo.o dsi.o
tegra-drm-y += plane.o dmabuf.o
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index f78a31b..c35e547 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
+#include <linux/nvhost.h>
#include <mach/clk.h>
#include <linux/dma-mapping.h>
@@ -55,10 +56,12 @@ static int tegra_drm_parse_dt(void)
"nvidia,tegra20-hdmi",
"nvidia,tegra20-tvo",
"nvidia,tegra20-dsi",
+ "nvidia,tegra20-gr2d",
"nvidia,tegra30-dc",
"nvidia,tegra30-hdmi",
"nvidia,tegra30-tvo",
- "nvidia,tegra30-dsi"
+ "nvidia,tegra30-dsi",
+ "nvidia,tegra30-gr2d"
};
unsigned int i;
int err;
@@ -177,7 +180,17 @@ static int tegra_drm_unload(struct drm_device *drm)
static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp)
{
- return 0;
+ struct tegra_drm_fpriv *fpriv;
+ int err = 0;
+
+ fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
+ if (!fpriv)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&fpriv->contexts);
+ filp->driver_priv = fpriv;
+
+ return err;
}
static void tegra_drm_lastclose(struct drm_device *drm)
@@ -207,8 +220,13 @@ static int __init tegra_drm_init(void)
if (err < 0)
goto unregister_tvo;
+ err = platform_driver_register(&tegra_gr2d_driver);
+ if (err < 0)
+ goto unregister_dsi;
return 0;
+unregister_dsi:
+ platform_driver_unregister(&tegra_dsi_driver);
unregister_tvo:
platform_driver_unregister(&tegra_tvo_driver);
unregister_hdmi:
@@ -221,6 +239,7 @@ module_init(tegra_drm_init);
static void __exit tegra_drm_exit(void)
{
+ platform_driver_unregister(&tegra_gr2d_driver);
platform_driver_unregister(&tegra_dsi_driver);
platform_driver_unregister(&tegra_tvo_driver);
platform_driver_unregister(&tegra_hdmi_driver);
@@ -232,7 +251,215 @@ MODULE_AUTHOR("Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>");
MODULE_DESCRIPTION("NVIDIA Tegra DRM driver");
MODULE_LICENSE("GPL");
+static int
+tegra_drm_ioctl_syncpt_read(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_drm_syncpt_read_args *args = data;
+
+ dev_dbg(drm->dev, "> %s(drm=%p, id=%d)\n", __func__, drm, args->id);
+ args->value = host1x_syncpt_read(args->id);
+ dev_dbg(drm->dev, "< %s(value=%d)\n", __func__, args->value);
+ return 0;
+}
+
+static int
+tegra_drm_ioctl_syncpt_incr(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_drm_syncpt_incr_args *args = data;
+ dev_dbg(drm->dev, "> %s(drm=%p, id=%d)\n", __func__, drm, args->id);
+ host1x_syncpt_incr(args->id);
+ dev_dbg(drm->dev, "< %s()\n", __func__);
+ return 0;
+}
+
+static int
+tegra_drm_ioctl_syncpt_wait(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_drm_syncpt_wait_args *args = data;
+ int err;
+
+ dev_dbg(drm->dev, "> %s(drm=%p, id=%d, thresh=%d)\n", __func__, drm,
+ args->id, args->thresh);
+ err = host1x_syncpt_wait(args->id, args->thresh,
+ args->timeout, &args->value);
+ dev_dbg(drm->dev, "< %s() = %d\n", __func__, err);
+
+ return err;
+}
+
+static int
+tegra_drm_ioctl_open_channel(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_drm_open_channel_args *args = data;
+ struct tegra_drm_client *client;
+ struct tegra_drm_context *context;
+ struct tegra_drm_fpriv *fpriv = tegra_drm_fpriv(file_priv);
+ int err = 0;
+
+ dev_dbg(drm->dev, "> %s(fpriv=%p, class=%x)\n", __func__,
+ fpriv, args->class);
+
+ context = kzalloc(sizeof(*context), GFP_KERNEL);
+ if (!context) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ list_for_each_entry(client, &tegra_drm_subdrv_list, list) {
+ if (client->class == args->class) {
+ dev_dbg(drm->dev, "opening client %x\n", args->class);
+ context->client = client;
+ err = client->ops->open_channel(client, context);
+ if (err)
+ goto out;
+
+ dev_dbg(drm->dev, "context %p\n", context);
+ list_add(&context->list, &fpriv->contexts);
+ args->context = context;
+ goto out;
+ }
+ }
+ err = -ENODEV;
+
+out:
+ if (err)
+ kfree(context);
+
+ dev_dbg(drm->dev, "< %s() = %d\n", __func__, err);
+ return err;
+}
+
+static int
+tegra_drm_ioctl_close_channel(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_drm_open_channel_args *args = data;
+ struct tegra_drm_context *context;
+ struct tegra_drm_fpriv *fpriv = tegra_drm_fpriv(file_priv);
+ int err = 0;
+
+ dev_dbg(drm->dev, "> %s(fpriv=%p)\n", __func__, fpriv);
+ list_for_each_entry(context, &fpriv->contexts, list) {
+ if (context == args->context) {
+ context->client->ops->close_channel(context);
+ list_del(&context->list);
+ kfree(context);
+ goto out;
+ }
+ }
+ err = -EINVAL;
+
+out:
+ dev_dbg(drm->dev, "< %s() = %d\n", __func__, err);
+ return err;
+}
+
+static int
+tegra_drm_ioctl_get_syncpoints(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_drm_get_channel_param_args *args = data;
+ struct tegra_drm_context *context;
+ struct tegra_drm_fpriv *fpriv = tegra_drm_fpriv(file_priv);
+ int err = 0;
+
+ list_for_each_entry(context, &fpriv->contexts, list) {
+ if (context == args->context) {
+ args->value =
+ context->client->ops->get_syncpoints(context);
+ goto out;
+ }
+ }
+ err = -ENODEV;
+
+out:
+ return err;
+}
+
+static int
+tegra_drm_ioctl_get_modmutexes(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_drm_get_channel_param_args *args = data;
+ struct tegra_drm_context *context;
+ struct tegra_drm_fpriv *fpriv = tegra_drm_fpriv(file_priv);
+ int err = 0;
+
+ list_for_each_entry(context, &fpriv->contexts, list) {
+ if (context == args->context) {
+ args->value =
+ context->client->ops->get_modmutexes(context);
+ goto out;
+ }
+ }
+ err = -ENODEV;
+
+out:
+ return err;
+}
+
+static int
+tegra_drm_ioctl_submit(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_drm_submit_args *args = data;
+ struct tegra_drm_context *context;
+ struct tegra_drm_fpriv *fpriv = tegra_drm_fpriv(file_priv);
+ int err = 0;
+
+ list_for_each_entry(context, &fpriv->contexts, list) {
+ if (context == args->context) {
+ err = context->client->ops->submit(context, args);
+ goto out;
+ }
+ }
+ err = -ENODEV;
+
+out:
+ return err;
+
+}
+
+static int
+tegra_drm_create_ioctl(struct drm_device *drm, void *data,
+ struct drm_file *file_priv)
+{
+ struct tegra_gem_create *args = data;
+ struct drm_gem_cma_object *cma_obj;
+ int ret;
+
+ cma_obj = drm_gem_cma_create(drm, args->size);
+ if (IS_ERR(cma_obj))
+ goto err_cma_create;
+
+ ret = drm_gem_handle_create(file_priv, &cma_obj->base, &args->handle);
+ if (ret)
+ goto err_handle_create;
+
+ drm_gem_object_unreference(&cma_obj->base);
+
+ return 0;
+
+err_handle_create:
+ drm_gem_cma_free_object(&cma_obj->base);
+err_cma_create:
+ return -ENOMEM;
+}
+
static struct drm_ioctl_desc tegra_drm_ioctls[] = {
+ DRM_IOCTL_DEF_DRV(TEGRA_GEM_CREATE, tegra_drm_create_ioctl, DRM_UNLOCKED | DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(TEGRA_DRM_SYNCPT_READ, tegra_drm_ioctl_syncpt_read, DRM_UNLOCKED),
+ DRM_IOCTL_DEF_DRV(TEGRA_DRM_SYNCPT_INCR, tegra_drm_ioctl_syncpt_incr, DRM_UNLOCKED),
+ DRM_IOCTL_DEF_DRV(TEGRA_DRM_SYNCPT_WAIT, tegra_drm_ioctl_syncpt_wait, DRM_UNLOCKED),
+ DRM_IOCTL_DEF_DRV(TEGRA_DRM_OPEN_CHANNEL, tegra_drm_ioctl_open_channel, DRM_UNLOCKED),
+ DRM_IOCTL_DEF_DRV(TEGRA_DRM_CLOSE_CHANNEL, tegra_drm_ioctl_close_channel, DRM_UNLOCKED),
+ DRM_IOCTL_DEF_DRV(TEGRA_DRM_GET_SYNCPOINTS, tegra_drm_ioctl_get_syncpoints, DRM_UNLOCKED),
+ DRM_IOCTL_DEF_DRV(TEGRA_DRM_GET_MODMUTEXES, tegra_drm_ioctl_get_modmutexes, DRM_UNLOCKED),
+ DRM_IOCTL_DEF_DRV(TEGRA_DRM_SUBMIT, tegra_drm_ioctl_submit, DRM_UNLOCKED),
};
static const struct file_operations tegra_drm_fops = {
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index 1267a38..db197f6 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -20,6 +20,7 @@
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_fixed.h>
+#include <drm/tegra_drm.h>
struct tegra_framebuffer {
struct drm_framebuffer base;
@@ -33,17 +34,44 @@ static inline struct tegra_framebuffer *to_tegra_fb(struct drm_framebuffer *fb)
struct tegra_drm_client;
+struct tegra_drm_context {
+ struct tegra_drm_client *client;
+ struct nvhost_channel *channel;
+ struct list_head list;
+};
+
struct tegra_drm_client_ops {
- int (*drm_init)(struct tegra_drm_client *client,
- struct drm_device *drm);
- int (*drm_exit)(struct tegra_drm_client *client);
+ int (*drm_init)(struct tegra_drm_client *, struct drm_device *);
+ int (*drm_exit)(struct tegra_drm_client *);
+ int (*open_channel)(struct tegra_drm_client *,
+ struct tegra_drm_context *);
+ void (*close_channel)(struct tegra_drm_context *);
+ u32 (*get_syncpoints)(struct tegra_drm_context *);
+ u32 (*get_waitbases)(struct tegra_drm_context *);
+ u32 (*get_modmutexes)(struct tegra_drm_context *);
+ int (*submit)(struct tegra_drm_context *,
+ struct tegra_drm_submit_args *);
+};
+
+
+struct tegra_drm_fpriv {
+ struct list_head contexts;
};
+static inline struct tegra_drm_fpriv *
+tegra_drm_fpriv(struct drm_file *file_priv)
+{
+ return file_priv ? file_priv->driver_priv : NULL;
+}
+
struct tegra_drm_client {
struct device *dev;
const struct tegra_drm_client_ops *ops;
+ u32 class;
+ struct nvhost_channel *channel;
+
struct list_head list;
};
@@ -116,13 +144,6 @@ struct tegra_output_ops {
enum drm_mode_status *status);
};
-enum tegra_output_type {
- TEGRA_OUTPUT_RGB,
- TEGRA_OUTPUT_HDMI,
- TEGRA_OUTPUT_TVO,
- TEGRA_OUTPUT_DSI,
-};
-
struct tegra_output {
struct device_node *of_node;
struct device *dev;
@@ -225,6 +246,7 @@ extern struct platform_driver tegra_hdmi_driver;
extern struct platform_driver tegra_tvo_driver;
extern struct platform_driver tegra_dsi_driver;
extern struct platform_driver tegra_dc_driver;
+extern struct platform_driver tegra_gr2d_driver;
extern struct drm_driver tegra_drm_driver;
/* from dmabuf.c */
diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c
new file mode 100644
index 0000000..51605af
--- /dev/null
+++ b/drivers/gpu/drm/tegra/gr2d.c
@@ -0,0 +1,224 @@
+/*
+ * drivers/video/tegra/host/gr2d/gr2d.c
+ *
+ * Tegra Graphics 2D
+ *
+ * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/export.h>
+#include <linux/of.h>
+#include <drm/tegra_drm.h>
+#include <linux/nvhost.h>
+#include "drm.h"
+
+static struct tegra_drm_client gr2d_client;
+
+static int gr2d_client_init(struct tegra_drm_client *client,
+ struct drm_device *drm)
+{
+ return 0;
+}
+
+static int gr2d_client_exit(struct tegra_drm_client *client)
+{
+ return 0;
+}
+
+static int gr2d_open_channel(struct tegra_drm_client *client,
+ struct tegra_drm_context *context)
+{
+ struct nvhost_device_data *pdata = dev_get_drvdata(client->dev);
+ context->channel = nvhost_getchannel(pdata->channel);
+
+ if (!context->channel)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void gr2d_close_channel(struct tegra_drm_context *context)
+{
+ nvhost_putchannel(context->channel);
+}
+
+static u32 gr2d_get_syncpoints(struct tegra_drm_context *context)
+{
+ struct nvhost_device_data *pdata =
+ dev_get_drvdata(context->client->dev);
+ return pdata->syncpts;
+}
+
+static u32 gr2d_get_modmutexes(struct tegra_drm_context *context)
+{
+ struct nvhost_device_data *pdata =
+ dev_get_drvdata(context->client->dev);
+ return pdata->modulemutexes;
+}
+
+static int gr2d_submit(struct tegra_drm_context *context,
+ struct tegra_drm_submit_args *args)
+{
+ struct nvhost_job *job;
+ int num_cmdbufs = args->num_cmdbufs;
+ int num_relocs = args->num_relocs;
+ int num_waitchks = args->num_waitchks;
+ struct tegra_drm_cmdbuf __user *cmdbufs = args->cmdbufs;
+ struct tegra_drm_reloc __user *relocs = args->relocs;
+ struct tegra_drm_waitchk __user *waitchks = args->waitchks;
+ struct tegra_drm_syncpt_incr syncpt_incr;
+ int err;
+
+ dev_dbg(context->client->dev, "> %s(context=%p, cmdbufs=%d, relocs=%d, waitchks=%d)\n",
+ __func__, context,
+ num_cmdbufs, num_relocs, num_waitchks);
+
+ /* We don't yet support other than one syncpt_incr struct per submit */
+ if (args->num_syncpt_incrs != 1)
+ return -EINVAL;
+
+ job = nvhost_job_alloc(context->channel,
+ args->num_cmdbufs,
+ args->num_relocs,
+ args->num_waitchks);
+ if (!job)
+ return -ENOMEM;
+
+ job->num_relocs = args->num_relocs;
+ job->num_waitchk = args->num_waitchks;
+ job->clientid = (u32)args->context;
+
+ while (num_cmdbufs) {
+ struct tegra_drm_cmdbuf cmdbuf;
+ err = copy_from_user(&cmdbuf, cmdbufs, sizeof(cmdbuf));
+ if (err)
+ goto fail;
+ dev_dbg(context->client->dev, "cmdbuf: mem=%08x, words=%d, offset=%d\n",
+ cmdbuf.mem, cmdbuf.words, cmdbuf.offset);
+ nvhost_job_add_gather(job,
+ cmdbuf.mem, cmdbuf.words, cmdbuf.offset);
+ num_cmdbufs--;
+ cmdbufs++;
+ }
+
+ err = copy_from_user(job->relocarray,
+ relocs, sizeof(*relocs) * num_relocs);
+ if (err)
+ goto fail;
+
+ err = copy_from_user(job->waitchk,
+ relocs, sizeof(*waitchks) * num_waitchks);
+ if (err)
+ goto fail;
+
+ err = nvhost_job_pin(job, to_platform_device(context->client->dev));
+ if (err)
+ goto fail;
+
+ err = copy_from_user(&syncpt_incr,
+ args->syncpt_incrs, sizeof(syncpt_incr));
+ if (err)
+ goto fail;
+
+ job->syncpt_id = syncpt_incr.syncpt_id;
+ job->syncpt_incrs = syncpt_incr.syncpt_incrs;
+ job->timeout = 10000;
+ if (args->timeout && args->timeout < 10000)
+ job->timeout = args->timeout;
+
+ err = nvhost_channel_submit(job);
+ if (err)
+ goto fail_submit;
+
+ args->fence = job->syncpt_end;
+
+ nvhost_job_put(job);
+ dev_dbg(context->client->dev, "< %s(context=%p)\n", __func__, context);
+ return 0;
+
+fail_submit:
+ nvhost_job_unpin(job);
+fail:
+ nvhost_job_put(job);
+ dev_dbg(context->client->dev,
+ "< %s(context=%p) = %d\n", __func__, context, err);
+ return err;
+}
+
+static struct tegra_drm_client_ops gr2d_client_ops = {
+ .drm_init = gr2d_client_init,
+ .drm_exit = gr2d_client_exit,
+ .open_channel = gr2d_open_channel,
+ .close_channel = gr2d_close_channel,
+ .get_syncpoints = gr2d_get_syncpoints,
+ .get_modmutexes = gr2d_get_modmutexes,
+ .submit = gr2d_submit,
+};
+
+static int __devinit gr2d_probe(struct platform_device *dev)
+{
+ int err;
+ struct nvhost_device_data *pdata =
+ (struct nvhost_device_data *)dev->dev.platform_data;
+ pdata->pdev = dev;
+ platform_set_drvdata(dev, pdata);
+ err = nvhost_client_device_init(dev);
+ if (err)
+ return err;
+
+ gr2d_client.ops = &gr2d_client_ops;
+ gr2d_client.dev = &dev->dev;
+ gr2d_client.class = NV_GRAPHICS_2D_CLASS_ID;
+ return tegra_drm_register_client(&gr2d_client);
+}
+
+static int __exit gr2d_remove(struct platform_device *dev)
+{
+ /* Add clean-up */
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int gr2d_suspend(struct platform_device *dev, pm_message_t state)
+{
+ return nvhost_client_device_suspend(dev);
+}
+
+static int gr2d_resume(struct platform_device *dev)
+{
+ dev_info(&dev->dev, "resuming\n");
+ return 0;
+}
+#endif
+
+static struct of_device_id gr2d_match[] __devinitdata = {
+ { .compatible = "nvidia,tegra20-gr2d", },
+ { .compatible = "nvidia,tegra30-gr2d", },
+ { },
+};
+
+struct platform_driver tegra_gr2d_driver = {
+ .probe = gr2d_probe,
+ .remove = __exit_p(gr2d_remove),
+#ifdef CONFIG_PM
+ .suspend = gr2d_suspend,
+ .resume = gr2d_resume,
+#endif
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "tegra-gr2d",
+ .of_match_table = of_match_ptr(gr2d_match),
+ }
+};
diff --git a/include/drm/tegra_drm.h b/include/drm/tegra_drm.h
new file mode 100644
index 0000000..bfc54d8
--- /dev/null
+++ b/include/drm/tegra_drm.h
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2012, Avionic Design GmbH
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TEGRA_DRM_H_
+#define _TEGRA_DRM_H_
+
+enum tegra_output_type {
+ TEGRA_OUTPUT_RGB,
+ TEGRA_OUTPUT_HDMI,
+ TEGRA_OUTPUT_TVO,
+ TEGRA_OUTPUT_DSI,
+};
+
+struct tegra_gem_create {
+ uint64_t size;
+ unsigned int flags;
+ unsigned int handle;
+};
+
+#define DRM_TEGRA_GEM_CREATE 0x00
+
+#define DRM_IOCTL_TEGRA_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
+ DRM_TEGRA_GEM_CREATE, struct tegra_gem_create)
+
+struct tegra_drm_syncpt_read_args {
+ __u32 id;
+ __u32 value;
+};
+
+struct tegra_drm_syncpt_incr_args {
+ __u32 id;
+};
+
+struct tegra_drm_syncpt_wait_args {
+ __u32 id;
+ __u32 thresh;
+ __s32 timeout;
+ __u32 value;
+};
+
+#define DRM_TEGRA_NO_TIMEOUT (-1)
+
+struct tegra_drm_open_channel_args {
+ __u32 class;
+ void *context;
+};
+
+struct tegra_drm_get_channel_param_args {
+ void *context;
+ __u32 value;
+};
+
+struct tegra_drm_syncpt_incr {
+ __u32 syncpt_id;
+ __u32 syncpt_incrs;
+};
+
+struct tegra_drm_cmdbuf {
+ __u32 mem;
+ __u32 offset;
+ __u32 words;
+};
+
+struct tegra_drm_reloc {
+ __u32 cmdbuf_mem;
+ __u32 cmdbuf_offset;
+ __u32 target;
+ __u32 target_offset;
+ __u32 shift;
+};
+
+struct tegra_drm_waitchk {
+ __u32 mem;
+ __u32 offset;
+ __u32 syncpt_id;
+ __u32 thresh;
+};
+
+struct tegra_drm_submit_args {
+ void *context;
+ __u32 num_syncpt_incrs;
+ __u32 num_cmdbufs;
+ __u32 num_relocs;
+ __u32 submit_version;
+ __u32 num_waitchks;
+ __u32 waitchk_mask;
+ __u32 timeout;
+ struct tegra_drm_syncpt_incrs *syncpt_incrs;
+ struct tegra_drm_cmdbuf *cmdbufs;
+ struct tegra_drm_reloc *relocs;
+ struct tegra_drm_waitchk *waitchks;
+
+ __u32 pad[5]; /* future expansion */
+ __u32 fence; /* Return value */
+};
+
+#define DRM_TEGRA_DRM_SYNCPT_READ 0x01
+#define DRM_TEGRA_DRM_SYNCPT_INCR 0x02
+#define DRM_TEGRA_DRM_SYNCPT_WAIT 0x03
+#define DRM_TEGRA_DRM_OPEN_CHANNEL 0x04
+#define DRM_TEGRA_DRM_CLOSE_CHANNEL 0x05
+#define DRM_TEGRA_DRM_GET_SYNCPOINTS 0x06
+#define DRM_TEGRA_DRM_GET_MODMUTEXES 0x07
+#define DRM_TEGRA_DRM_SUBMIT 0x08
+
+#define DRM_IOCTL_TEGRA_DRM_SYNCPT_READ DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_SYNCPT_READ, struct tegra_drm_syncpt_read_args)
+#define DRM_IOCTL_TEGRA_DRM_SYNCPT_INCR DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_SYNCPT_INCR, struct tegra_drm_syncpt_incr_args)
+#define DRM_IOCTL_TEGRA_DRM_SYNCPT_WAIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_SYNCPT_WAIT, struct tegra_drm_syncpt_wait_args)
+#define DRM_IOCTL_TEGRA_DRM_OPEN_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_OPEN_CHANNEL, struct tegra_drm_open_channel_args)
+#define DRM_IOCTL_TEGRA_DRM_CLOSE_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_CLOSE_CHANNEL, struct tegra_drm_open_channel_args)
+#define DRM_IOCTL_TEGRA_DRM_GET_SYNCPOINTS DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_GET_SYNCPOINTS, struct tegra_drm_get_channel_param_args)
+#define DRM_IOCTL_TEGRA_DRM_GET_MODMUTEXES DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_GET_MODMUTEXES, struct tegra_drm_get_channel_param_args)
+#define DRM_IOCTL_TEGRA_DRM_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_SUBMIT, struct tegra_drm_submit_args)
+
+#endif
--
1.7.9.5
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