drivers/gpu/drm/i915/display/intel_hdcp_regs.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/i915/display/intel_hdcp_regs.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/i915/display/intel_hdcp_regs.h
Extension
.h
Size
10061 bytes
Lines
273
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 __INTEL_HDCP_REGS_H__
#define __INTEL_HDCP_REGS_H__

#include "intel_display_reg_defs.h"

#define TRANS_HDCP(__i915)		(DISPLAY_VER(__i915) >= 12)

/* HDCP Key Registers */
#define HDCP_KEY_CONF			_MMIO(0x66c00)
#define  HDCP_AKSV_SEND_TRIGGER		REG_BIT(31)
#define  HDCP_CLEAR_KEYS_TRIGGER	REG_BIT(30)
#define  HDCP_KEY_LOAD_TRIGGER		REG_BIT(8)
#define HDCP_KEY_STATUS			_MMIO(0x66c04)
#define  HDCP_FUSE_IN_PROGRESS		REG_BIT(7)
#define  HDCP_FUSE_ERROR		REG_BIT(6)
#define  HDCP_FUSE_DONE			REG_BIT(5)
#define  HDCP_KEY_LOAD_STATUS		REG_BIT(1)
#define  HDCP_KEY_LOAD_DONE		REG_BIT(0)
#define HDCP_AKSV_LO			_MMIO(0x66c10)
#define HDCP_AKSV_HI			_MMIO(0x66c14)

/* HDCP Repeater Registers */
#define HDCP_REP_CTL			_MMIO(0x66d00)
#define  HDCP_TRANSA_REP_PRESENT	REG_BIT(31)
#define  HDCP_TRANSB_REP_PRESENT	REG_BIT(30)
#define  HDCP_TRANSC_REP_PRESENT	REG_BIT(29)
#define  HDCP_TRANSD_REP_PRESENT	REG_BIT(28)
#define  HDCP_DDIB_REP_PRESENT		REG_BIT(30)
#define  HDCP_DDIA_REP_PRESENT		REG_BIT(29)
#define  HDCP_DDIC_REP_PRESENT		REG_BIT(28)
#define  HDCP_DDID_REP_PRESENT		REG_BIT(27)
#define  HDCP_DDIF_REP_PRESENT		REG_BIT(26)
#define  HDCP_DDIE_REP_PRESENT		REG_BIT(25)
#define  HDCP_TRANSA_SHA1_M0		(1 << 20)
#define  HDCP_TRANSB_SHA1_M0		(2 << 20)
#define  HDCP_TRANSC_SHA1_M0		(3 << 20)
#define  HDCP_TRANSD_SHA1_M0		(4 << 20)
#define  HDCP_DDIB_SHA1_M0		(1 << 20)
#define  HDCP_DDIA_SHA1_M0		(2 << 20)
#define  HDCP_DDIC_SHA1_M0		(3 << 20)
#define  HDCP_DDID_SHA1_M0		(4 << 20)
#define  HDCP_DDIF_SHA1_M0		(5 << 20)
#define  HDCP_DDIE_SHA1_M0		(6 << 20) /* Bspec says 5? */
#define  HDCP_SHA1_BUSY			REG_BIT(16)
#define  HDCP_SHA1_READY		REG_BIT(17)
#define  HDCP_SHA1_COMPLETE		REG_BIT(18)
#define  HDCP_SHA1_V_MATCH		REG_BIT(19)
#define  HDCP_SHA1_TEXT_32		(1 << 1)
#define  HDCP_SHA1_COMPLETE_HASH	(2 << 1)
#define  HDCP_SHA1_TEXT_24		(4 << 1)
#define  HDCP_SHA1_TEXT_16		(5 << 1)
#define  HDCP_SHA1_TEXT_8		(6 << 1)
#define  HDCP_SHA1_TEXT_0		(7 << 1)
#define HDCP_SHA_V_PRIME_H0		_MMIO(0x66d04)
#define HDCP_SHA_V_PRIME_H1		_MMIO(0x66d08)
#define HDCP_SHA_V_PRIME_H2		_MMIO(0x66d0C)
#define HDCP_SHA_V_PRIME_H3		_MMIO(0x66d10)
#define HDCP_SHA_V_PRIME_H4		_MMIO(0x66d14)
#define HDCP_SHA_V_PRIME(h)		_MMIO((0x66d04 + (h) * 4))
#define HDCP_SHA_TEXT			_MMIO(0x66d18)

/* HDCP Auth Registers */
#define _PORTA_HDCP_AUTHENC		0x66800
#define _PORTB_HDCP_AUTHENC		0x66500
#define _PORTC_HDCP_AUTHENC		0x66600
#define _PORTD_HDCP_AUTHENC		0x66700
#define _PORTE_HDCP_AUTHENC		0x66A00
#define _PORTF_HDCP_AUTHENC		0x66900
#define _PORT_HDCP_AUTHENC(port, x)	_MMIO(_PICK(port, \
					  _PORTA_HDCP_AUTHENC, \
					  _PORTB_HDCP_AUTHENC, \
					  _PORTC_HDCP_AUTHENC, \
					  _PORTD_HDCP_AUTHENC, \
					  _PORTE_HDCP_AUTHENC, \
					  _PORTF_HDCP_AUTHENC) + (x))
#define PORT_HDCP_CONF(port)		_PORT_HDCP_AUTHENC(port, 0x0)
#define _TRANSA_HDCP_CONF		0x66400
#define _TRANSB_HDCP_CONF		0x66500
#define TRANS_HDCP_CONF(trans)		_MMIO_TRANS(trans, _TRANSA_HDCP_CONF, \
						    _TRANSB_HDCP_CONF)
#define HDCP_CONF(dev_priv, trans, port) \
					(TRANS_HDCP(dev_priv) ? \
					 TRANS_HDCP_CONF(trans) : \
					 PORT_HDCP_CONF(port))

#define  HDCP_CONF_CAPTURE_AN		REG_BIT(0)
#define  HDCP_CONF_AUTH_AND_ENC		(REG_BIT(1) | REG_BIT(0))
#define PORT_HDCP_ANINIT(port)		_PORT_HDCP_AUTHENC(port, 0x4)
#define _TRANSA_HDCP_ANINIT		0x66404
#define _TRANSB_HDCP_ANINIT		0x66504

Annotation

Implementation Notes