drivers/gpu/drm/xe/regs/xe_sysctrl_regs.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/xe/regs/xe_sysctrl_regs.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/xe/regs/xe_sysctrl_regs.h
Extension
.h
Size
1203 bytes
Lines
37
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 _XE_SYSCTRL_REGS_H_
#define _XE_SYSCTRL_REGS_H_

#include "xe_regs.h"

#define SYSCTRL_BASE_OFFSET			0xdb000
#define SYSCTRL_BASE				(SOC_BASE + SYSCTRL_BASE_OFFSET)
#define SYSCTRL_MAILBOX_INDEX			0x03
#define SYSCTRL_BAR_LENGTH			0x1000

#define SYSCTRL_MB_CTRL				XE_REG(0x10)
#define   SYSCTRL_MB_CTRL_RUN_BUSY		REG_BIT(31)
#define   SYSCTRL_MB_CTRL_IRQ			REG_BIT(30)
#define   SYSCTRL_MB_CTRL_RUN_BUSY_OUT		REG_BIT(29)
#define   SYSCTRL_MB_CTRL_PARAM3_MASK		REG_GENMASK(28, 24)
#define   SYSCTRL_MB_CTRL_PARAM2_MASK		REG_GENMASK(23, 16)
#define   SYSCTRL_MB_CTRL_PARAM1_MASK		REG_GENMASK(15, 8)
#define   SYSCTRL_MB_CTRL_COMMAND_MASK		REG_GENMASK(7, 0)
#define   SYSCTRL_MB_CTRL_CMD			REG_FIELD_PREP(SYSCTRL_MB_CTRL_COMMAND_MASK, 5)

#define SYSCTRL_MB_DATA0			XE_REG(0x14)
#define SYSCTRL_MB_DATA1			XE_REG(0x18)
#define SYSCTRL_MB_DATA2			XE_REG(0x1c)
#define SYSCTRL_MB_DATA3			XE_REG(0x20)

#define SYSCTRL_FRAME_PHASE			REG_BIT(24)
#define SYSCTRL_FRAME_CURRENT_MASK		REG_GENMASK(21, 16)
#define SYSCTRL_FRAME_TOTAL_MASK		REG_GENMASK(13, 8)
#define SYSCTRL_FRAME_COMMAND_MASK		REG_GENMASK(7, 0)

#endif

Annotation

Implementation Notes