drivers/gpu/drm/exynos/regs-mixer.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/exynos/regs-mixer.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/exynos/regs-mixer.h
Extension
.h
Size
5252 bytes
Lines
162
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 SAMSUNG_REGS_MIXER_H
#define SAMSUNG_REGS_MIXER_H

/*
 * Register part
 */
#define MXR_STATUS			0x0000
#define MXR_CFG				0x0004
#define MXR_INT_EN			0x0008
#define MXR_INT_STATUS			0x000C
#define MXR_LAYER_CFG			0x0010
#define MXR_VIDEO_CFG			0x0014
#define MXR_GRAPHIC0_CFG		0x0020
#define MXR_GRAPHIC0_BASE		0x0024
#define MXR_GRAPHIC0_SPAN		0x0028
#define MXR_GRAPHIC0_SXY		0x002C
#define MXR_GRAPHIC0_WH			0x0030
#define MXR_GRAPHIC0_DXY		0x0034
#define MXR_GRAPHIC0_BLANK		0x0038
#define MXR_GRAPHIC1_CFG		0x0040
#define MXR_GRAPHIC1_BASE		0x0044
#define MXR_GRAPHIC1_SPAN		0x0048
#define MXR_GRAPHIC1_SXY		0x004C
#define MXR_GRAPHIC1_WH			0x0050
#define MXR_GRAPHIC1_DXY		0x0054
#define MXR_GRAPHIC1_BLANK		0x0058
#define MXR_BG_CFG			0x0060
#define MXR_BG_COLOR0			0x0064
#define MXR_BG_COLOR1			0x0068
#define MXR_BG_COLOR2			0x006C
#define MXR_CM_COEFF_Y			0x0080
#define MXR_CM_COEFF_CB			0x0084
#define MXR_CM_COEFF_CR			0x0088
#define MXR_MO				0x0304
#define MXR_RESOLUTION			0x0310

#define MXR_CFG_S			0x2004
#define MXR_GRAPHIC0_BASE_S		0x2024
#define MXR_GRAPHIC1_BASE_S		0x2044

/* for parametrized access to layer registers */
#define MXR_GRAPHIC_CFG(i)		(0x0020 + (i) * 0x20)
#define MXR_GRAPHIC_BASE(i)		(0x0024 + (i) * 0x20)
#define MXR_GRAPHIC_SPAN(i)		(0x0028 + (i) * 0x20)
#define MXR_GRAPHIC_SXY(i)		(0x002C + (i) * 0x20)
#define MXR_GRAPHIC_WH(i)		(0x0030 + (i) * 0x20)
#define MXR_GRAPHIC_DXY(i)		(0x0034 + (i) * 0x20)
#define MXR_GRAPHIC_BLANK(i)		(0x0038 + (i) * 0x20)
#define MXR_GRAPHIC_BASE_S(i)		(0x2024 + (i) * 0x20)

/*
 * Bit definition part
 */

/* generates mask for range of bits */
#define MXR_MASK(high_bit, low_bit) \
	(((2 << ((high_bit) - (low_bit))) - 1) << (low_bit))

#define MXR_MASK_VAL(val, high_bit, low_bit) \
	(((val) << (low_bit)) & MXR_MASK(high_bit, low_bit))

/* bits for MXR_STATUS */
#define MXR_STATUS_SOFT_RESET		(1 << 8)
#define MXR_STATUS_16_BURST		(1 << 7)
#define MXR_STATUS_BURST_MASK		(1 << 7)
#define MXR_STATUS_BIG_ENDIAN		(1 << 3)
#define MXR_STATUS_ENDIAN_MASK		(1 << 3)
#define MXR_STATUS_SYNC_ENABLE		(1 << 2)
#define MXR_STATUS_REG_IDLE		(1 << 1)
#define MXR_STATUS_REG_RUN		(1 << 0)

/* bits for MXR_CFG */
#define MXR_CFG_LAYER_UPDATE		(1 << 31)
#define MXR_CFG_LAYER_UPDATE_COUNT_MASK (3 << 29)
#define MXR_CFG_QUANT_RANGE_FULL	(0 << 9)
#define MXR_CFG_QUANT_RANGE_LIMITED	(1 << 9)
#define MXR_CFG_RGB601			(0 << 10)
#define MXR_CFG_RGB709			(1 << 10)

#define MXR_CFG_RGB_FMT_MASK		0x600
#define MXR_CFG_OUT_YUV444		(0 << 8)
#define MXR_CFG_OUT_RGB888		(1 << 8)
#define MXR_CFG_OUT_MASK		(1 << 8)
#define MXR_CFG_DST_SDO			(0 << 7)
#define MXR_CFG_DST_HDMI		(1 << 7)
#define MXR_CFG_DST_MASK		(1 << 7)
#define MXR_CFG_SCAN_HD_720		(0 << 6)
#define MXR_CFG_SCAN_HD_1080		(1 << 6)
#define MXR_CFG_GRP1_ENABLE		(1 << 5)
#define MXR_CFG_GRP0_ENABLE		(1 << 4)

Annotation

Implementation Notes