drivers/media/platform/samsung/s5p-mfc/regs-mfc.h

Source file repositories/reference/linux-study-clean/drivers/media/platform/samsung/s5p-mfc/regs-mfc.h

File Facts

System
Linux kernel
Corpus path
drivers/media/platform/samsung/s5p-mfc/regs-mfc.h
Extension
.h
Size
18706 bytes
Lines
460
Domain
Driver Families
Bucket
drivers/media
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 _REGS_FIMV_H
#define _REGS_FIMV_H

#include <linux/kernel.h>
#include <linux/sizes.h>

#define S5P_FIMV_REG_SIZE	(S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR)
#define S5P_FIMV_REG_COUNT	((S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR) / 4)

/* Number of bits that the buffer address should be shifted for particular
 * MFC buffers.  */
#define S5P_FIMV_START_ADDR		0x0000
#define S5P_FIMV_END_ADDR		0xe008

#define S5P_FIMV_SW_RESET		0x0000
#define S5P_FIMV_RISC_HOST_INT		0x0008

/* Command from HOST to RISC */
#define S5P_FIMV_HOST2RISC_CMD		0x0030
#define S5P_FIMV_HOST2RISC_ARG1		0x0034
#define S5P_FIMV_HOST2RISC_ARG2		0x0038
#define S5P_FIMV_HOST2RISC_ARG3		0x003c
#define S5P_FIMV_HOST2RISC_ARG4		0x0040

/* Command from RISC to HOST */
#define S5P_FIMV_RISC2HOST_CMD		0x0044
#define S5P_FIMV_RISC2HOST_CMD_MASK	0x1FFFF
#define S5P_FIMV_RISC2HOST_ARG1		0x0048
#define S5P_FIMV_RISC2HOST_ARG2		0x004c
#define S5P_FIMV_RISC2HOST_ARG3		0x0050
#define S5P_FIMV_RISC2HOST_ARG4		0x0054

#define S5P_FIMV_FW_VERSION		0x0058
#define S5P_FIMV_SYS_MEM_SZ		0x005c
#define S5P_FIMV_FW_STATUS		0x0080

/* Memory controller register */
#define S5P_FIMV_MC_DRAMBASE_ADR_A	0x0508
#define S5P_FIMV_MC_DRAMBASE_ADR_B	0x050c
#define S5P_FIMV_MC_STATUS		0x0510

/* Common register */
#define S5P_FIMV_COMMON_BASE_A		0x0600
#define S5P_FIMV_COMMON_BASE_B		0x0700

/* Decoder */
#define S5P_FIMV_DEC_CHROMA_ADR		(S5P_FIMV_COMMON_BASE_A)
#define S5P_FIMV_DEC_LUMA_ADR		(S5P_FIMV_COMMON_BASE_B)

/* H.264 decoding */
#define S5P_FIMV_H264_VERT_NB_MV_ADR	(S5P_FIMV_COMMON_BASE_A + 0x8c)
					/* vertical neighbor motion vector */
#define S5P_FIMV_H264_NB_IP_ADR		(S5P_FIMV_COMMON_BASE_A + 0x90)
					/* neighbor pixels for intra pred */
#define S5P_FIMV_H264_MV_ADR		(S5P_FIMV_COMMON_BASE_B + 0x80)
					/* H264 motion vector */

/* MPEG4 decoding */
#define S5P_FIMV_MPEG4_NB_DCAC_ADR	(S5P_FIMV_COMMON_BASE_A + 0x8c)
					/* neighbor AC/DC coeff. */
#define S5P_FIMV_MPEG4_UP_NB_MV_ADR	(S5P_FIMV_COMMON_BASE_A + 0x90)
					/* upper neighbor motion vector */
#define S5P_FIMV_MPEG4_SA_MV_ADR	(S5P_FIMV_COMMON_BASE_A + 0x94)
					/* subseq. anchor motion vector */
#define S5P_FIMV_MPEG4_OT_LINE_ADR	(S5P_FIMV_COMMON_BASE_A + 0x98)
					/* overlap transform line */
#define S5P_FIMV_MPEG4_SP_ADR		(S5P_FIMV_COMMON_BASE_A + 0xa8)
					/* syntax parser */

/* H.263 decoding */
#define S5P_FIMV_H263_NB_DCAC_ADR	(S5P_FIMV_COMMON_BASE_A + 0x8c)
#define S5P_FIMV_H263_UP_NB_MV_ADR	(S5P_FIMV_COMMON_BASE_A + 0x90)
#define S5P_FIMV_H263_SA_MV_ADR		(S5P_FIMV_COMMON_BASE_A + 0x94)
#define S5P_FIMV_H263_OT_LINE_ADR	(S5P_FIMV_COMMON_BASE_A + 0x98)

/* VC-1 decoding */
#define S5P_FIMV_VC1_NB_DCAC_ADR	(S5P_FIMV_COMMON_BASE_A + 0x8c)
#define S5P_FIMV_VC1_UP_NB_MV_ADR	(S5P_FIMV_COMMON_BASE_A + 0x90)
#define S5P_FIMV_VC1_SA_MV_ADR		(S5P_FIMV_COMMON_BASE_A + 0x94)
#define S5P_FIMV_VC1_OT_LINE_ADR	(S5P_FIMV_COMMON_BASE_A + 0x98)
#define S5P_FIMV_VC1_BITPLANE3_ADR	(S5P_FIMV_COMMON_BASE_A + 0x9c)
					/* bitplane3 */
#define S5P_FIMV_VC1_BITPLANE2_ADR	(S5P_FIMV_COMMON_BASE_A + 0xa0)
					/* bitplane2 */
#define S5P_FIMV_VC1_BITPLANE1_ADR	(S5P_FIMV_COMMON_BASE_A + 0xa4)
					/* bitplane1 */

/* Encoder */
#define S5P_FIMV_ENC_REF0_LUMA_ADR	(S5P_FIMV_COMMON_BASE_A + 0x1c)
#define S5P_FIMV_ENC_REF1_LUMA_ADR	(S5P_FIMV_COMMON_BASE_A + 0x20)

Annotation

Implementation Notes