pisp_common.h (7740B)
- /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
- /*
- * RP1 PiSP common definitions.
- *
- * Copyright (C) 2021 - Raspberry Pi Ltd.
- *
- */
- #ifndef _PISP_COMMON_H_
- #define _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 /* _PISP_COMMON_H_ */