203 lines
7.6 KiB
C
203 lines
7.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
|
|
/*
|
|
* RP1 PiSP common definitions.
|
|
*
|
|
* Copyright (C) 2021 - Raspberry Pi Ltd.
|
|
*
|
|
*/
|
|
#ifndef _UAPI_PISP_COMMON_H_
|
|
#define _UAPI_PISP_COMMON_H_
|
|
|
|
#include <linux/types.h>
|
|
|
|
struct pisp_image_format_config {
|
|
/* size in pixels */
|
|
__u16 width;
|
|
__u16 height;
|
|
/* must match struct pisp_image_format below */
|
|
__u32 format;
|
|
__s32 stride;
|
|
/* some planar image formats will need a second stride */
|
|
__s32 stride2;
|
|
} __attribute__((packed));
|
|
|
|
enum pisp_bayer_order {
|
|
/*
|
|
* Note how bayer_order&1 tells you if G is on the even pixels of the
|
|
* checkerboard or not, and bayer_order&2 tells you if R is on the even
|
|
* rows or is swapped with B. Note that if the top (of the 8) bits is
|
|
* set, this denotes a monochrome or greyscale image, and the lower bits
|
|
* should all be ignored.
|
|
*/
|
|
PISP_BAYER_ORDER_RGGB = 0,
|
|
PISP_BAYER_ORDER_GBRG = 1,
|
|
PISP_BAYER_ORDER_BGGR = 2,
|
|
PISP_BAYER_ORDER_GRBG = 3,
|
|
PISP_BAYER_ORDER_GREYSCALE = 128
|
|
};
|
|
|
|
enum pisp_image_format {
|
|
/*
|
|
* Precise values are mostly tbd. Generally these will be portmanteau
|
|
* values comprising bit fields and flags. This format must be shared
|
|
* throughout the PiSP.
|
|
*/
|
|
PISP_IMAGE_FORMAT_BPS_8 = 0x00000000,
|
|
PISP_IMAGE_FORMAT_BPS_10 = 0x00000001,
|
|
PISP_IMAGE_FORMAT_BPS_12 = 0x00000002,
|
|
PISP_IMAGE_FORMAT_BPS_16 = 0x00000003,
|
|
PISP_IMAGE_FORMAT_BPS_MASK = 0x00000003,
|
|
|
|
PISP_IMAGE_FORMAT_PLANARITY_INTERLEAVED = 0x00000000,
|
|
PISP_IMAGE_FORMAT_PLANARITY_SEMI_PLANAR = 0x00000010,
|
|
PISP_IMAGE_FORMAT_PLANARITY_PLANAR = 0x00000020,
|
|
PISP_IMAGE_FORMAT_PLANARITY_MASK = 0x00000030,
|
|
|
|
PISP_IMAGE_FORMAT_SAMPLING_444 = 0x00000000,
|
|
PISP_IMAGE_FORMAT_SAMPLING_422 = 0x00000100,
|
|
PISP_IMAGE_FORMAT_SAMPLING_420 = 0x00000200,
|
|
PISP_IMAGE_FORMAT_SAMPLING_MASK = 0x00000300,
|
|
|
|
PISP_IMAGE_FORMAT_ORDER_NORMAL = 0x00000000,
|
|
PISP_IMAGE_FORMAT_ORDER_SWAPPED = 0x00001000,
|
|
|
|
PISP_IMAGE_FORMAT_SHIFT_0 = 0x00000000,
|
|
PISP_IMAGE_FORMAT_SHIFT_1 = 0x00010000,
|
|
PISP_IMAGE_FORMAT_SHIFT_2 = 0x00020000,
|
|
PISP_IMAGE_FORMAT_SHIFT_3 = 0x00030000,
|
|
PISP_IMAGE_FORMAT_SHIFT_4 = 0x00040000,
|
|
PISP_IMAGE_FORMAT_SHIFT_5 = 0x00050000,
|
|
PISP_IMAGE_FORMAT_SHIFT_6 = 0x00060000,
|
|
PISP_IMAGE_FORMAT_SHIFT_7 = 0x00070000,
|
|
PISP_IMAGE_FORMAT_SHIFT_8 = 0x00080000,
|
|
PISP_IMAGE_FORMAT_SHIFT_MASK = 0x000f0000,
|
|
|
|
PISP_IMAGE_FORMAT_BPP_32 = 0x00100000,
|
|
|
|
PISP_IMAGE_FORMAT_UNCOMPRESSED = 0x00000000,
|
|
PISP_IMAGE_FORMAT_COMPRESSION_MODE_1 = 0x01000000,
|
|
PISP_IMAGE_FORMAT_COMPRESSION_MODE_2 = 0x02000000,
|
|
PISP_IMAGE_FORMAT_COMPRESSION_MODE_3 = 0x03000000,
|
|
PISP_IMAGE_FORMAT_COMPRESSION_MASK = 0x03000000,
|
|
|
|
PISP_IMAGE_FORMAT_HOG_SIGNED = 0x04000000,
|
|
PISP_IMAGE_FORMAT_HOG_UNSIGNED = 0x08000000,
|
|
PISP_IMAGE_FORMAT_INTEGRAL_IMAGE = 0x10000000,
|
|
PISP_IMAGE_FORMAT_WALLPAPER_ROLL = 0x20000000,
|
|
PISP_IMAGE_FORMAT_THREE_CHANNEL = 0x40000000,
|
|
|
|
/* Lastly a few specific instantiations of the above. */
|
|
PISP_IMAGE_FORMAT_SINGLE_16 = PISP_IMAGE_FORMAT_BPS_16,
|
|
PISP_IMAGE_FORMAT_THREE_16 = PISP_IMAGE_FORMAT_BPS_16 |
|
|
PISP_IMAGE_FORMAT_THREE_CHANNEL
|
|
};
|
|
|
|
#define PISP_IMAGE_FORMAT_BPS_8(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_BPS_MASK) == PISP_IMAGE_FORMAT_BPS_8)
|
|
#define PISP_IMAGE_FORMAT_BPS_10(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_BPS_MASK) == PISP_IMAGE_FORMAT_BPS_10)
|
|
#define PISP_IMAGE_FORMAT_BPS_12(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_BPS_MASK) == PISP_IMAGE_FORMAT_BPS_12)
|
|
#define PISP_IMAGE_FORMAT_BPS_16(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_BPS_MASK) == PISP_IMAGE_FORMAT_BPS_16)
|
|
#define PISP_IMAGE_FORMAT_BPS(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_BPS_MASK) ? \
|
|
8 + (2 << (((fmt) & PISP_IMAGE_FORMAT_BPS_MASK) - 1)) : 8)
|
|
#define PISP_IMAGE_FORMAT_SHIFT(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_SHIFT_MASK) / PISP_IMAGE_FORMAT_SHIFT_1)
|
|
#define PISP_IMAGE_FORMAT_THREE_CHANNEL(fmt) \
|
|
((fmt) & PISP_IMAGE_FORMAT_THREE_CHANNEL)
|
|
#define PISP_IMAGE_FORMAT_SINGLE_CHANNEL(fmt) \
|
|
(!((fmt) & PISP_IMAGE_FORMAT_THREE_CHANNEL))
|
|
#define PISP_IMAGE_FORMAT_COMPRESSED(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_COMPRESSION_MASK) != \
|
|
PISP_IMAGE_FORMAT_UNCOMPRESSED)
|
|
#define PISP_IMAGE_FORMAT_SAMPLING_444(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_SAMPLING_MASK) == \
|
|
PISP_IMAGE_FORMAT_SAMPLING_444)
|
|
#define PISP_IMAGE_FORMAT_SAMPLING_422(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_SAMPLING_MASK) == \
|
|
PISP_IMAGE_FORMAT_SAMPLING_422)
|
|
#define PISP_IMAGE_FORMAT_SAMPLING_420(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_SAMPLING_MASK) == \
|
|
PISP_IMAGE_FORMAT_SAMPLING_420)
|
|
#define PISP_IMAGE_FORMAT_ORDER_NORMAL(fmt) \
|
|
(!((fmt) & PISP_IMAGE_FORMAT_ORDER_SWAPPED))
|
|
#define PISP_IMAGE_FORMAT_ORDER_SWAPPED(fmt) \
|
|
((fmt) & PISP_IMAGE_FORMAT_ORDER_SWAPPED)
|
|
#define PISP_IMAGE_FORMAT_INTERLEAVED(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_PLANARITY_MASK) == \
|
|
PISP_IMAGE_FORMAT_PLANARITY_INTERLEAVED)
|
|
#define PISP_IMAGE_FORMAT_SEMIPLANAR(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_PLANARITY_MASK) == \
|
|
PISP_IMAGE_FORMAT_PLANARITY_SEMI_PLANAR)
|
|
#define PISP_IMAGE_FORMAT_PLANAR(fmt) \
|
|
(((fmt) & PISP_IMAGE_FORMAT_PLANARITY_MASK) == \
|
|
PISP_IMAGE_FORMAT_PLANARITY_PLANAR)
|
|
#define PISP_IMAGE_FORMAT_WALLPAPER(fmt) \
|
|
((fmt) & PISP_IMAGE_FORMAT_WALLPAPER_ROLL)
|
|
#define PISP_IMAGE_FORMAT_BPP_32(fmt) ((fmt) & PISP_IMAGE_FORMAT_BPP_32)
|
|
#define PISP_IMAGE_FORMAT_HOG(fmt) \
|
|
((fmt) & \
|
|
(PISP_IMAGE_FORMAT_HOG_SIGNED | PISP_IMAGE_FORMAT_HOG_UNSIGNED))
|
|
|
|
#define PISP_WALLPAPER_WIDTH 128 /* in bytes */
|
|
|
|
struct pisp_bla_config {
|
|
__u16 black_level_r;
|
|
__u16 black_level_gr;
|
|
__u16 black_level_gb;
|
|
__u16 black_level_b;
|
|
__u16 output_black_level;
|
|
__u8 pad[2];
|
|
} __attribute__((packed));
|
|
|
|
struct pisp_wbg_config {
|
|
__u16 gain_r;
|
|
__u16 gain_g;
|
|
__u16 gain_b;
|
|
__u8 pad[2];
|
|
} __attribute__((packed));
|
|
|
|
struct pisp_compress_config {
|
|
/* value subtracted from incoming data */
|
|
__u16 offset;
|
|
__u8 pad;
|
|
/* 1 => Companding; 2 => Delta (recommended); 3 => Combined (for HDR) */
|
|
__u8 mode;
|
|
} __attribute__((packed));
|
|
|
|
struct pisp_decompress_config {
|
|
/* value added to reconstructed data */
|
|
__u16 offset;
|
|
__u8 pad;
|
|
/* 1 => Companding; 2 => Delta (recommended); 3 => Combined (for HDR) */
|
|
__u8 mode;
|
|
} __attribute__((packed));
|
|
|
|
enum pisp_axi_flags {
|
|
/*
|
|
* round down bursts to end at a 32-byte boundary, to align following
|
|
* bursts
|
|
*/
|
|
PISP_AXI_FLAG_ALIGN = 128,
|
|
/* for FE writer: force WSTRB high, to pad output to 16-byte boundary */
|
|
PISP_AXI_FLAG_PAD = 64,
|
|
/* for FE writer: Use Output FIFO level to trigger "panic" */
|
|
PISP_AXI_FLAG_PANIC = 32,
|
|
};
|
|
|
|
struct pisp_axi_config {
|
|
/*
|
|
* burst length minus one, which must be in the range 0:15; OR'd with
|
|
* flags
|
|
*/
|
|
__u8 maxlen_flags;
|
|
/* { prot[2:0], cache[3:0] } fields, echoed on AXI bus */
|
|
__u8 cache_prot;
|
|
/* QoS field(s) (4x4 bits for FE writer; 4 bits for other masters) */
|
|
__u16 qos;
|
|
} __attribute__((packed));
|
|
|
|
#endif /* _UAPI_PISP_COMMON_H_ */
|