drivers/staging/media/ipu7/ipu7-platform-regs.h

Source file repositories/reference/linux-study-clean/drivers/staging/media/ipu7/ipu7-platform-regs.h

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/ipu7/ipu7-platform-regs.h
Extension
.h
Size
2394 bytes
Lines
83
Domain
Driver Families
Bucket
drivers/staging
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 IPU7_PLATFORM_REGS_H
#define IPU7_PLATFORM_REGS_H

#define IS_BASE					0x230000
#define IS_UC_CTRL_BASE				(IS_BASE + 0x0)

#define PS_BASE					0x130000
#define PS_UC_CTRL_BASE				(PS_BASE + 0x0)

/*
 * bit 0: IRQ from FW,
 * bit 1, 2 and 3: IRQ from HW
 */
#define TO_SW_IRQ_MASK				0xf
#define TO_SW_IRQ_FW				BIT(0)

#define FW_CODE_BASE				0x0
#define FW_DATA_BASE				0x4
#define PRINTF_EN_THROUGH_TRACE			0x3004
#define PRINTF_EN_DIRECTLY_TO_DDR		0x3008
#define PRINTF_DDR_BASE_ADDR			0x300c
#define PRINTF_DDR_SIZE				0x3010
#define PRINTF_DDR_NEXT_ADDR			0x3014
#define PRINTF_STATUS				0x3018
#define PRINTF_AXI_CNTL				0x301c
#define PRINTF_MSG_LENGTH			0x3020
#define TO_SW_IRQ_CNTL_EDGE			0x4000
#define TO_SW_IRQ_CNTL_MASK_N			0x4004
#define TO_SW_IRQ_CNTL_STATUS			0x4008
#define TO_SW_IRQ_CNTL_CLEAR			0x400c
#define TO_SW_IRQ_CNTL_ENABLE			0x4010
#define TO_SW_IRQ_CNTL_LEVEL_NOT_PULSE		0x4014
#define ERR_IRQ_CNTL_EDGE			0x4018
#define ERR_IRQ_CNTL_MASK_N			0x401c
#define ERR_IRQ_CNTL_STATUS			0x4020
#define ERR_IRQ_CNTL_CLEAR			0x4024
#define ERR_IRQ_CNTL_ENABLE			0x4028
#define ERR_IRQ_CNTL_LEVEL_NOT_PULSE		0x402c
#define LOCAL_DMEM_BASE_ADDR			0x1300000

/*
 * IS_UC_TO_SW irqs
 * bit 0: IRQ from local FW
 * bit 1~3: IRQ from HW
 */
#define IS_UC_TO_SW_IRQ_MASK			0xf

#define IPU_ISYS_SPC_OFFSET			0x210000
#define IPU7_PSYS_SPC_OFFSET			0x118000
#define IPU_ISYS_DMEM_OFFSET			0x200000
#define IPU_PSYS_DMEM_OFFSET			0x100000

#define IPU7_ISYS_CSI_PORT_NUM			4

/* IRQ-related registers in PSYS */
#define IPU_REG_PSYS_TO_SW_IRQ_CNTL_EDGE		0x134000
#define IPU_REG_PSYS_TO_SW_IRQ_CNTL_MASK		0x134004
#define IPU_REG_PSYS_TO_SW_IRQ_CNTL_STATUS		0x134008
#define IPU_REG_PSYS_TO_SW_IRQ_CNTL_CLEAR		0x13400c
#define IPU_REG_PSYS_TO_SW_IRQ_CNTL_ENABLE		0x134010
#define IPU_REG_PSYS_TO_SW_IRQ_CNTL_LEVEL_NOT_PULSE	0x134014
#define IRQ_FROM_LOCAL_FW				BIT(0)

/*
 * psys subdomains power request regs
 */
enum ipu7_device_buttress_psys_domain_pos {
	IPU_PSYS_SUBDOMAIN_LB		= 0,
	IPU_PSYS_SUBDOMAIN_BB		= 1,
};

#define IPU7_PSYS_DOMAIN_POWER_MASK		(BIT(IPU_PSYS_SUBDOMAIN_LB) | \
						 BIT(IPU_PSYS_SUBDOMAIN_BB))
#define IPU8_PSYS_DOMAIN_POWER_MASK		BIT(IPU_PSYS_SUBDOMAIN_LB)
#define IPU_PSYS_DOMAIN_POWER_IN_PROGRESS	BIT(31)

#endif /* IPU7_PLATFORM_REGS_H */

Annotation

Implementation Notes