diff options
Diffstat (limited to 'drivers/media/platform/s5p-jpeg/jpeg-core.h')
| -rw-r--r-- | drivers/media/platform/s5p-jpeg/jpeg-core.h | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.h b/drivers/media/platform/s5p-jpeg/jpeg-core.h deleted file mode 100644 index 4a5fb1b15455..000000000000 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.h +++ /dev/null @@ -1,267 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* linux/drivers/media/platform/s5p-jpeg/jpeg-core.h - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> - */ - -#ifndef JPEG_CORE_H_ -#define JPEG_CORE_H_ - -#include <linux/interrupt.h> -#include <media/v4l2-device.h> -#include <media/v4l2-fh.h> -#include <media/v4l2-ctrls.h> - -#define S5P_JPEG_M2M_NAME "s5p-jpeg" - -#define JPEG_MAX_CLOCKS 4 - -/* JPEG compression quality setting */ -#define S5P_JPEG_COMPR_QUAL_BEST 0 -#define S5P_JPEG_COMPR_QUAL_WORST 3 - -/* JPEG RGB to YCbCr conversion matrix coefficients */ -#define S5P_JPEG_COEF11 0x4d -#define S5P_JPEG_COEF12 0x97 -#define S5P_JPEG_COEF13 0x1e -#define S5P_JPEG_COEF21 0x2c -#define S5P_JPEG_COEF22 0x57 -#define S5P_JPEG_COEF23 0x83 -#define S5P_JPEG_COEF31 0x83 -#define S5P_JPEG_COEF32 0x6e -#define S5P_JPEG_COEF33 0x13 - -#define EXYNOS3250_IRQ_TIMEOUT 0x10000000 - -/* a selection of JPEG markers */ -#define JPEG_MARKER_TEM 0x01 -#define JPEG_MARKER_SOF0 0xc0 -#define JPEG_MARKER_DHT 0xc4 -#define JPEG_MARKER_RST 0xd0 -#define JPEG_MARKER_SOI 0xd8 -#define JPEG_MARKER_EOI 0xd9 -#define JPEG_MARKER_SOS 0xda -#define JPEG_MARKER_DQT 0xdb -#define JPEG_MARKER_DHP 0xde - -/* Flags that indicate a format can be used for capture/output */ -#define SJPEG_FMT_FLAG_ENC_CAPTURE (1 << 0) -#define SJPEG_FMT_FLAG_ENC_OUTPUT (1 << 1) -#define SJPEG_FMT_FLAG_DEC_CAPTURE (1 << 2) -#define SJPEG_FMT_FLAG_DEC_OUTPUT (1 << 3) -#define SJPEG_FMT_FLAG_S5P (1 << 4) -#define SJPEG_FMT_FLAG_EXYNOS3250 (1 << 5) -#define SJPEG_FMT_FLAG_EXYNOS4 (1 << 6) -#define SJPEG_FMT_RGB (1 << 7) -#define SJPEG_FMT_NON_RGB (1 << 8) - -#define S5P_JPEG_ENCODE 0 -#define S5P_JPEG_DECODE 1 -#define S5P_JPEG_DISABLE -1 - -#define FMT_TYPE_OUTPUT 0 -#define FMT_TYPE_CAPTURE 1 - -#define SJPEG_SUBSAMPLING_444 0x11 -#define SJPEG_SUBSAMPLING_422 0x21 -#define SJPEG_SUBSAMPLING_420 0x22 - -#define S5P_JPEG_MAX_MARKER 4 - -/* Version numbers */ -enum sjpeg_version { - SJPEG_S5P, - SJPEG_EXYNOS3250, - SJPEG_EXYNOS4, - SJPEG_EXYNOS5420, - SJPEG_EXYNOS5433, -}; - -enum exynos4_jpeg_result { - OK_ENC_OR_DEC, - ERR_PROT, - ERR_DEC_INVALID_FORMAT, - ERR_MULTI_SCAN, - ERR_FRAME, - ERR_UNKNOWN, -}; - -enum exynos4_jpeg_img_quality_level { - QUALITY_LEVEL_1 = 0, /* high */ - QUALITY_LEVEL_2, - QUALITY_LEVEL_3, - QUALITY_LEVEL_4, /* low */ -}; - -enum s5p_jpeg_ctx_state { - JPEGCTX_RUNNING = 0, - JPEGCTX_RESOLUTION_CHANGE, -}; - -/** - * struct s5p_jpeg - JPEG IP abstraction - * @lock: the mutex protecting this structure - * @slock: spinlock protecting the device contexts - * @v4l2_dev: v4l2 device for mem2mem mode - * @vfd_encoder: video device node for encoder mem2mem mode - * @vfd_decoder: video device node for decoder mem2mem mode - * @m2m_dev: v4l2 mem2mem device data - * @regs: JPEG IP registers mapping - * @irq: JPEG IP irq - * @irq_ret: JPEG IP irq result value - * @clocks: JPEG IP clock(s) - * @dev: JPEG IP struct device - * @variant: driver variant to be used - * @irq_status: interrupt flags set during single encode/decode - * operation - */ -struct s5p_jpeg { - struct mutex lock; - spinlock_t slock; - - struct v4l2_device v4l2_dev; - struct video_device *vfd_encoder; - struct video_device *vfd_decoder; - struct v4l2_m2m_dev *m2m_dev; - - void __iomem *regs; - unsigned int irq; - enum exynos4_jpeg_result irq_ret; - struct clk *clocks[JPEG_MAX_CLOCKS]; - struct device *dev; - struct s5p_jpeg_variant *variant; - u32 irq_status; -}; - -struct s5p_jpeg_variant { - unsigned int version; - unsigned int fmt_ver_flag; - unsigned int hw3250_compat:1; - unsigned int htbl_reinit:1; - unsigned int hw_ex4_compat:1; - const struct v4l2_m2m_ops *m2m_ops; - irqreturn_t (*jpeg_irq)(int irq, void *priv); - const char *clk_names[JPEG_MAX_CLOCKS]; - int num_clocks; -}; - -/** - * struct s5p_jpeg_fmt - driver's internal color format data - * @fourcc: the fourcc code, 0 if not applicable - * @depth: number of bits per pixel - * @colplanes: number of color planes (1 for packed formats) - * @memplanes: number of memory planes (1 for packed formats) - * @h_align: horizontal alignment order (align to 2^h_align) - * @v_align: vertical alignment order (align to 2^v_align) - * @subsampling:subsampling of a raw format or a JPEG - * @flags: flags describing format applicability - */ -struct s5p_jpeg_fmt { - u32 fourcc; - int depth; - int colplanes; - int memplanes; - int h_align; - int v_align; - int subsampling; - u32 flags; -}; - -/** - * struct s5p_jpeg_marker - collection of markers from jpeg header - * @marker: markers' positions relative to the buffer beginning - * @len: markers' payload lengths (without length field) - * @n: number of markers in collection - */ -struct s5p_jpeg_marker { - u32 marker[S5P_JPEG_MAX_MARKER]; - u32 len[S5P_JPEG_MAX_MARKER]; - u32 n; -}; - -/** - * struct s5p_jpeg_q_data - parameters of one queue - * @fmt: driver-specific format of this queue - * @w: image width - * @h: image height - * @sos: JPEG_MARKER_SOS's position relative to the buffer beginning - * @dht: JPEG_MARKER_DHT' positions relative to the buffer beginning - * @dqt: JPEG_MARKER_DQT' positions relative to the buffer beginning - * @sof: JPEG_MARKER_SOF0's position relative to the buffer beginning - * @sof_len: JPEG_MARKER_SOF0's payload length (without length field itself) - * @size: image buffer size in bytes - */ -struct s5p_jpeg_q_data { - struct s5p_jpeg_fmt *fmt; - u32 w; - u32 h; - u32 sos; - struct s5p_jpeg_marker dht; - struct s5p_jpeg_marker dqt; - u32 sof; - u32 sof_len; - u32 size; -}; - -/** - * struct s5p_jpeg_ctx - the device context data - * @jpeg: JPEG IP device for this context - * @mode: compression (encode) operation or decompression (decode) - * @compr_quality: destination image quality in compression (encode) mode - * @restart_interval: JPEG restart interval for JPEG encoding - * @subsampling: subsampling of a raw format or a JPEG - * @out_q: source (output) queue information - * @cap_q: destination (capture) queue queue information - * @scale_factor: scale factor for JPEG decoding - * @crop_rect: a rectangle representing crop area of the output buffer - * @fh: V4L2 file handle - * @hdr_parsed: set if header has been parsed during decompression - * @crop_altered: set if crop rectangle has been altered by the user space - * @ctrl_handler: controls handler - * @state: state of the context - */ -struct s5p_jpeg_ctx { - struct s5p_jpeg *jpeg; - unsigned int mode; - unsigned short compr_quality; - unsigned short restart_interval; - unsigned short subsampling; - struct s5p_jpeg_q_data out_q; - struct s5p_jpeg_q_data cap_q; - unsigned int scale_factor; - struct v4l2_rect crop_rect; - struct v4l2_fh fh; - bool hdr_parsed; - bool crop_altered; - struct v4l2_ctrl_handler ctrl_handler; - enum s5p_jpeg_ctx_state state; -}; - -/** - * struct s5p_jpeg_buffer - description of memory containing input JPEG data - * @size: buffer size - * @curr: current position in the buffer - * @data: pointer to the data - */ -struct s5p_jpeg_buffer { - unsigned long size; - unsigned long curr; - unsigned long data; -}; - -/** - * struct s5p_jpeg_addr - JPEG converter physical address set for DMA - * @y: luminance plane physical address - * @cb: Cb plane physical address - * @cr: Cr plane physical address - */ -struct s5p_jpeg_addr { - u32 y; - u32 cb; - u32 cr; -}; - -#endif /* JPEG_CORE_H */ |