linux/drivers/gpu/drm/v3d/v3d_drv.c

// SPDX-License-Identifier: GPL-2.0+
/* Copyright (C) 2014-2018 Broadcom */

/**
 * DOC: Broadcom V3D Graphics Driver
 *
 * This driver supports the Broadcom V3D 3.3 and 4.1 OpenGL ES GPUs.
 * For V3D 2.x support, see the VC4 driver.
 *
 * The V3D GPU includes a tiled render (composed of a bin and render
 * pipelines), the TFU (texture formatting unit), and the CSD (compute
 * shader dispatch).
 */

#include <linux/clk.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/sched/clock.h>
#include <linux/reset.h>

#include <drm/drm_drv.h>
#include <drm/drm_managed.h>
#include <uapi/drm/v3d_drm.h>

#include "v3d_drv.h"
#include "v3d_regs.h"

#define DRIVER_NAME …
#define DRIVER_DESC …
#define DRIVER_DATE …
#define DRIVER_MAJOR …
#define DRIVER_MINOR …
#define DRIVER_PATCHLEVEL …

static int v3d_get_param_ioctl(struct drm_device *dev, void *data,
			       struct drm_file *file_priv)
{ … }

static int
v3d_open(struct drm_device *dev, struct drm_file *file)
{ … }

static void
v3d_postclose(struct drm_device *dev, struct drm_file *file)
{ … }

void v3d_get_stats(const struct v3d_stats *stats, u64 timestamp,
		   u64 *active_runtime, u64 *jobs_completed)
{ … }

static void v3d_show_fdinfo(struct drm_printer *p, struct drm_file *file)
{ … }

static const struct file_operations v3d_drm_fops = …;

/* DRM_AUTH is required on SUBMIT_CL for now, while we don't have GMP
 * protection between clients.  Note that render nodes would be
 * able to submit CLs that could access BOs from clients authenticated
 * with the master node.  The TFU doesn't use the GMP, so it would
 * need to stay DRM_AUTH until we do buffer size/offset validation.
 */
static const struct drm_ioctl_desc v3d_drm_ioctls[] = …;

static const struct drm_driver v3d_drm_driver = …;

static const struct of_device_id v3d_of_match[] = …;
MODULE_DEVICE_TABLE(of, v3d_of_match);

static int
map_regs(struct v3d_dev *v3d, void __iomem **regs, const char *name)
{ … }

static int v3d_platform_drm_probe(struct platform_device *pdev)
{ … }

static void v3d_platform_drm_remove(struct platform_device *pdev)
{ … }

static struct platform_driver v3d_platform_driver = …;

module_platform_driver(…) …;

MODULE_ALIAS(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;