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Subject[PATCHv4 7/8] drm: tegra: Add gr2d device
Date
Add client driver for 2D device.

Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
---
drivers/gpu/drm/tegra/Makefile | 2 +-
drivers/gpu/drm/tegra/drm.c | 211 ++++++++++++++++++++++++++-
drivers/gpu/drm/tegra/drm.h | 29 ++++
drivers/gpu/drm/tegra/gr2d.c | 307 ++++++++++++++++++++++++++++++++++++++++
include/drm/tegra_drm.h | 111 +++++++++++++++
5 files changed, 658 insertions(+), 2 deletions(-)
create mode 100644 drivers/gpu/drm/tegra/gr2d.c

diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile
index f4c05bb..2661f41 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

obj-$(CONFIG_DRM_TEGRA) += tegra-drm.o
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 3de6c8e..637b621 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -36,8 +36,10 @@ static int tegra_drm_add_client(struct device *dev, void *data)
static const char * const compat[] = {
"nvidia,tegra20-dc",
"nvidia,tegra20-hdmi",
+ "nvidia,tegra20-gr2d",
"nvidia,tegra30-dc",
"nvidia,tegra30-hdmi",
+ "nvidia,tegra30-gr2d"
};
struct tegradrm *tegradrm = data;
struct tegra_drm_client_entry *client;
@@ -183,12 +185,29 @@ 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_close(struct drm_device *drm, struct drm_file *filp)
{
+ struct tegra_drm_fpriv *fpriv = tegra_drm_fpriv(filp);
+ struct tegra_drm_context *context, *tmp;

+ list_for_each_entry_safe(context, tmp, &fpriv->contexts, list) {
+ context->client->ops->close_channel(context);
+ kfree(context);
+ }
+ kfree(fpriv);
}

static void tegra_drm_lastclose(struct drm_device *drm)
@@ -257,8 +276,14 @@ static int __init tegra_drm_init(void)
err = platform_driver_register(&tegra_hdmi_driver);
if (err < 0)
goto unregister_dc;
+
+ err = platform_driver_register(&tegra_gr2d_driver);
+ if (err < 0)
+ goto unregister_hdmi;
return 0;

+unregister_hdmi:
+ platform_driver_unregister(&tegra_hdmi_driver);
unregister_dc:
platform_driver_unregister(&tegra_dc_driver);
unregister_tegra_drv:
@@ -271,13 +296,197 @@ module_init(tegra_drm_init);

static void __exit tegra_drm_exit(void)
{
+ platform_driver_unregister(&tegra_gr2d_driver);
platform_driver_unregister(&tegra_hdmi_driver);
platform_driver_unregister(&tegra_dc_driver);
platform_driver_unregister(&tegra_drm_platform_driver);
}
module_exit(tegra_drm_exit);

+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;
+
+ args->value = host1x_syncpt_read_byid(args->id);
+ 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;
+ host1x_syncpt_incr_byid(args->id);
+ 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;
+
+ err = host1x_syncpt_wait_byid(args->id, args->thresh,
+ args->timeout, &args->value);
+
+ 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);
+ struct tegradrm *tegradrm = drm->dev_private;
+ int err = 0;
+
+ context = kzalloc(sizeof(*context), GFP_KERNEL);
+ if (!context)
+ return -ENOMEM;
+
+ list_for_each_entry(client, &tegradrm->clients, 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 = (uintptr_t)context;
+ goto out;
+ }
+ }
+ err = -ENODEV;
+
+out:
+ if (err)
+ kfree(context);
+
+ 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, *tmp;
+ struct tegra_drm_fpriv *fpriv = tegra_drm_fpriv(file_priv);
+ int err = 0;
+
+ list_for_each_entry_safe(context, tmp, &fpriv->contexts, list) {
+ if ((uintptr_t)context == args->context) {
+ context->client->ops->close_channel(context);
+ list_del(&context->list);
+ kfree(context);
+ goto out;
+ }
+ }
+ err = -EINVAL;
+
+out:
+ return err;
+}
+
+static int
+tegra_drm_ioctl_get_syncpoint(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 ((uintptr_t)context == args->context) {
+ args->value =
+ context->client->ops->get_syncpoint(context,
+ args->param);
+ 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 ((uintptr_t)context == args->context) {
+ err = context->client->ops->submit(context, args, drm,
+ file_priv);
+ 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;
+
+ args->offset = cma_obj->base.map_list.hash.key << PAGE_SHIFT;
+
+ 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_SYNCPOINT,
+ tegra_drm_ioctl_get_syncpoint, 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 34cc3a1..06100d7 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -44,17 +44,45 @@ struct tegradrm {

struct tegra_drm_client;

+struct tegra_drm_context {
+ struct tegra_drm_client *client;
+ struct host1x_channel *channel;
+ struct list_head list;
+};
+
struct tegra_drm_client_ops {
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_syncpoint)(struct tegra_drm_context *, int index);
+ int (*submit)(struct tegra_drm_context *,
+ struct tegra_drm_submit_args *,
+ struct drm_device *,
+ struct drm_file *);
+};
+
+
+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 tegradrm *tegradrm;
struct device *dev;

const struct tegra_drm_client_ops *ops;

+ u32 class;
+ struct host1x_channel *channel;
+
struct list_head list;

};
@@ -222,6 +250,7 @@ extern void tegra_drm_fb_restore(struct drm_device *drm);

extern struct platform_driver tegra_hdmi_driver;
extern struct platform_driver tegra_dc_driver;
+extern struct platform_driver tegra_gr2d_driver;
extern struct drm_driver tegra_drm_driver;

#endif /* TEGRA_DRM_H */
diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c
new file mode 100644
index 0000000..8865099
--- /dev/null
+++ b/drivers/gpu/drm/tegra/gr2d.c
@@ -0,0 +1,307 @@
+/*
+ * 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 <linux/of_device.h>
+#include <linux/clk.h>
+#include <drm/tegra_drm.h>
+#include <linux/host1x.h>
+#include "drm.h"
+
+struct gr2d {
+ struct tegra_drm_client client;
+ struct clk *clk;
+ struct host1x_syncpt *syncpt;
+ struct host1x_channel *channel;
+};
+
+static int gr2d_is_addr_reg(struct platform_device *dev, u32 class, u32 reg);
+
+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 gr2d *gr2d = dev_get_drvdata(client->dev);
+ context->channel = host1x_channel_get(gr2d->channel);
+
+ if (!context->channel)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void gr2d_close_channel(struct tegra_drm_context *context)
+{
+ host1x_channel_put(context->channel);
+}
+
+static u32 gr2d_get_syncpoint(struct tegra_drm_context *context, int index)
+{
+ struct gr2d *gr2d = dev_get_drvdata(context->client->dev);
+ if (index != 0)
+ return UINT_MAX;
+
+ return host1x_syncpt_id(gr2d->syncpt);
+}
+
+static u32 handle_cma_to_host1x(struct drm_device *drm,
+ struct drm_file *file_priv, u32 gem_handle)
+{
+ struct drm_gem_object *obj;
+ struct drm_gem_cma_object *cma_obj;
+ u32 host1x_handle;
+
+ obj = drm_gem_object_lookup(drm, file_priv, gem_handle);
+ if (!obj)
+ return 0;
+
+ cma_obj = to_drm_gem_cma_obj(obj);
+ host1x_handle = host1x_memmgr_host1x_id(mem_mgr_type_cma, (u32)cma_obj);
+ drm_gem_object_unreference(obj);
+
+ return host1x_handle;
+}
+
+static int gr2d_submit(struct tegra_drm_context *context,
+ struct tegra_drm_submit_args *args,
+ struct drm_device *drm,
+ struct drm_file *file_priv)
+{
+ struct host1x_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 =
+ (void * __user)(uintptr_t)args->cmdbufs;
+ struct tegra_drm_reloc __user *relocs =
+ (void * __user)(uintptr_t)args->relocs;
+ struct tegra_drm_waitchk __user *waitchks =
+ (void * __user)(uintptr_t)args->waitchks;
+ struct tegra_drm_syncpt_incr syncpt_incr;
+ int err;
+
+ /* We don't yet support other than one syncpt_incr struct per submit */
+ if (args->num_syncpt_incrs != 1)
+ return -EINVAL;
+
+ job = host1x_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;
+ job->class = context->client->class;
+ job->serialize = true;
+
+ while (num_cmdbufs) {
+ struct tegra_drm_cmdbuf cmdbuf;
+ err = copy_from_user(&cmdbuf, cmdbufs, sizeof(cmdbuf));
+ if (err)
+ goto fail;
+
+ cmdbuf.mem = handle_cma_to_host1x(drm, file_priv, cmdbuf.mem);
+ if (!cmdbuf.mem)
+ goto fail;
+
+ host1x_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;
+
+ while (num_relocs--) {
+ job->relocarray[num_relocs].cmdbuf_mem =
+ handle_cma_to_host1x(drm, file_priv,
+ job->relocarray[num_relocs].cmdbuf_mem);
+ job->relocarray[num_relocs].target =
+ handle_cma_to_host1x(drm, file_priv,
+ job->relocarray[num_relocs].target);
+
+ if (!job->relocarray[num_relocs].target ||
+ !job->relocarray[num_relocs].cmdbuf_mem)
+ goto fail;
+ }
+
+ err = copy_from_user(job->waitchk,
+ waitchks, sizeof(*waitchks) * num_waitchks);
+ if (err)
+ goto fail;
+
+ err = host1x_job_pin(job, to_platform_device(context->client->dev));
+ if (err)
+ goto fail;
+
+ err = copy_from_user(&syncpt_incr,
+ (void * __user)(uintptr_t)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;
+ job->is_addr_reg = gr2d_is_addr_reg;
+ if (args->timeout && args->timeout < 10000)
+ job->timeout = args->timeout;
+
+ err = host1x_channel_submit(job);
+ if (err)
+ goto fail_submit;
+
+ args->fence = job->syncpt_end;
+
+ host1x_job_put(job);
+ return 0;
+
+fail_submit:
+ host1x_job_unpin(job);
+fail:
+ host1x_job_put(job);
+ 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_syncpoint = gr2d_get_syncpoint,
+ .submit = gr2d_submit,
+};
+
+static int gr2d_is_addr_reg(struct platform_device *dev, u32 class, u32 reg)
+{
+ int ret;
+
+ if (class == NV_HOST1X_CLASS_ID)
+ ret = reg == 0x2b;
+ else
+ switch (reg) {
+ case 0x1a:
+ case 0x1b:
+ case 0x26:
+ case 0x2b:
+ case 0x2c:
+ case 0x2d:
+ case 0x31:
+ case 0x32:
+ case 0x48:
+ case 0x49:
+ case 0x4a:
+ case 0x4b:
+ case 0x4c:
+ ret = 1;
+ break;
+ default:
+ ret = 0;
+ break;
+ }
+
+ return ret;
+}
+
+static struct of_device_id gr2d_match[] __devinitdata = {
+ { .compatible = "nvidia,tegra30-gr2d" },
+ { .compatible = "nvidia,tegra20-gr2d" },
+ { },
+};
+
+static int __devinit gr2d_probe(struct platform_device *dev)
+{
+ int err;
+ struct gr2d *gr2d = NULL;
+ struct tegradrm *tegradrm = platform_get_drvdata(dev);
+
+ gr2d = devm_kzalloc(&dev->dev, sizeof(*gr2d), GFP_KERNEL);
+ if (!gr2d)
+ return -ENOMEM;
+
+ gr2d->clk = devm_clk_get(&dev->dev, "gr2d");
+ if (IS_ERR(gr2d->clk)) {
+ dev_err(&dev->dev, "cannot get clock\n");
+ return PTR_ERR(gr2d->clk);
+ }
+
+ err = clk_prepare_enable(gr2d->clk);
+ if (err) {
+ dev_err(&dev->dev, "cannot turn on clock\n");
+ return err;
+ }
+
+ gr2d->channel = host1x_channel_alloc(dev);
+ if (!gr2d->channel)
+ return -ENOMEM;
+
+ gr2d->syncpt = host1x_syncpt_alloc(dev, 0);
+ if (!gr2d->syncpt) {
+ host1x_channel_put(gr2d->channel);
+ return -ENOMEM;
+ }
+
+ gr2d->client.ops = &gr2d_client_ops;
+ gr2d->client.dev = &dev->dev;
+ gr2d->client.class = NV_GRAPHICS_2D_CLASS_ID;
+ gr2d->client.tegradrm = tegradrm;
+
+ err = tegra_drm_register_client(tegradrm, &gr2d->client);
+ if (err)
+ return err;
+
+ platform_set_drvdata(dev, gr2d);
+ return 0;
+}
+
+static int __exit gr2d_remove(struct platform_device *dev)
+{
+ struct gr2d *gr2d = platform_get_drvdata(dev);
+ host1x_syncpt_free(gr2d->syncpt);
+ tegra_drm_unregister_client(gr2d->client.tegradrm, &gr2d->client);
+ return 0;
+}
+
+struct platform_driver tegra_gr2d_driver = {
+ .probe = gr2d_probe,
+ .remove = __exit_p(gr2d_remove),
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "gr2d",
+ .of_match_table = gr2d_match,
+ }
+};
diff --git a/include/drm/tegra_drm.h b/include/drm/tegra_drm.h
index 8632f49..11fb019 100644
--- a/include/drm/tegra_drm.h
+++ b/include/drm/tegra_drm.h
@@ -17,4 +17,115 @@
#ifndef _TEGRA_DRM_H_
#define _TEGRA_DRM_H_

+struct tegra_gem_create {
+ __u64 size;
+ unsigned int flags;
+ unsigned int handle;
+ unsigned int offset;
+};
+
+struct tegra_gem_invalidate {
+ unsigned int handle;
+};
+
+struct tegra_gem_flush {
+ unsigned int handle;
+};
+
+struct tegra_drm_syncpt_read_args {
+ __u32 id;
+ __u32 value;
+};
+
+struct tegra_drm_syncpt_incr_args {
+ __u32 id;
+ __u32 pad;
+};
+
+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;
+ __u32 pad;
+ __u64 context;
+};
+
+struct tegra_drm_get_channel_param_args {
+ __u64 context;
+ __u32 param;
+ __u32 value;
+};
+
+struct tegra_drm_syncpt_incr {
+ __u32 syncpt_id;
+ __u32 syncpt_incrs;
+};
+
+struct tegra_drm_cmdbuf {
+ __u32 mem;
+ __u32 offset;
+ __u32 words;
+ __u32 pad;
+};
+
+struct tegra_drm_reloc {
+ __u32 cmdbuf_mem;
+ __u32 cmdbuf_offset;
+ __u32 target;
+ __u32 target_offset;
+ __u32 shift;
+ __u32 pad;
+};
+
+struct tegra_drm_waitchk {
+ __u32 mem;
+ __u32 offset;
+ __u32 syncpt_id;
+ __u32 thresh;
+};
+
+struct tegra_drm_submit_args {
+ __u64 context;
+ __u32 num_syncpt_incrs;
+ __u32 num_cmdbufs;
+ __u32 num_relocs;
+ __u32 submit_version;
+ __u32 num_waitchks;
+ __u32 waitchk_mask;
+ __u32 timeout;
+ __u32 pad;
+ __u64 syncpt_incrs;
+ __u64 cmdbufs;
+ __u64 relocs;
+ __u64 waitchks;
+ __u32 fence; /* Return value */
+
+ __u32 reserved[5]; /* future expansion */
+};
+
+#define DRM_TEGRA_GEM_CREATE 0x00
+#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_SYNCPOINT 0x06
+#define DRM_TEGRA_DRM_SUBMIT 0x08
+
+#define DRM_IOCTL_TEGRA_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_CREATE, struct tegra_gem_create)
+#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_SYNCPOINT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_DRM_GET_SYNCPOINT, 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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