drivers/gpu/drm/nouveau/include/nvif/os.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/include/nvif/os.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/include/nvif/os.h
Extension
.h
Size
1618 bytes
Lines
57
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __NOUVEAU_OS_H__
#define __NOUVEAU_OS_H__

#include <linux/types.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/bitops.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/delay.h>
#include <linux/io-mapping.h>
#include <linux/acpi.h>
#include <linux/vmalloc.h>
#include <linux/dmi.h>
#include <linux/reboot.h>
#include <linux/interrupt.h>
#include <linux/log2.h>
#include <linux/pm_runtime.h>
#include <linux/power_supply.h>
#include <linux/clk.h>
#include <linux/regulator/consumer.h>
#include <linux/agp_backend.h>
#include <linux/reset.h>
#include <linux/iommu.h>
#include <linux/of_device.h>

#include <linux/unaligned.h>

#include <soc/tegra/fuse.h>
#include <soc/tegra/pmc.h>

#ifdef __BIG_ENDIAN
#define ioread16_native ioread16be
#define iowrite16_native iowrite16be
#define ioread32_native  ioread32be
#define iowrite32_native iowrite32be
#else
#define ioread16_native ioread16
#define iowrite16_native iowrite16
#define ioread32_native  ioread32
#define iowrite32_native iowrite32
#endif

#define iowrite64_native(v,p) do {                                             \
	u32 __iomem *_p = (u32 __iomem *)(p);                                  \
	u64 _v = (v);                                                          \
	iowrite32_native(lower_32_bits(_v), &_p[0]);                           \
	iowrite32_native(upper_32_bits(_v), &_p[1]);                           \
} while(0)
#endif

Annotation

Implementation Notes