linux/drivers/gpu/drm/panthor/panthor_device.c

// SPDX-License-Identifier: GPL-2.0 or MIT
/* Copyright 2018 Marty E. Plummer <[email protected]> */
/* Copyright 2019 Linaro, Ltd, Rob Herring <[email protected]> */
/* Copyright 2023 Collabora ltd. */

#include <linux/clk.h>
#include <linux/mm.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/reset.h>

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

#include "panthor_devfreq.h"
#include "panthor_device.h"
#include "panthor_fw.h"
#include "panthor_gpu.h"
#include "panthor_mmu.h"
#include "panthor_regs.h"
#include "panthor_sched.h"

static int panthor_clk_init(struct panthor_device *ptdev)
{ … }

void panthor_device_unplug(struct panthor_device *ptdev)
{ … }

static void panthor_device_reset_cleanup(struct drm_device *ddev, void *data)
{ … }

static void panthor_device_reset_work(struct work_struct *work)
{ … }

static bool panthor_device_is_initialized(struct panthor_device *ptdev)
{ … }

static void panthor_device_free_page(struct drm_device *ddev, void *data)
{ … }

int panthor_device_init(struct panthor_device *ptdev)
{ … }

#define PANTHOR_EXCEPTION(id) …

struct panthor_exception_info { … };

static const struct panthor_exception_info panthor_exception_infos[] = …;

const char *panthor_exception_name(struct panthor_device *ptdev, u32 exception_code)
{ … }

static vm_fault_t panthor_mmio_vm_fault(struct vm_fault *vmf)
{ … }

static const struct vm_operations_struct panthor_mmio_vm_ops = …;

int panthor_device_mmap_io(struct panthor_device *ptdev, struct vm_area_struct *vma)
{ … }

int panthor_device_resume(struct device *dev)
{ … }

int panthor_device_suspend(struct device *dev)
{ … }