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/* SPDX-License-Identifier: GPL-2.0 */
/*
* i.MX8QXP/i.MX8QM JPEG encoder/decoder v4l2 driver
*
* Copyright 2018-2019 NXP
*/
#ifndef _MXC_JPEG_HW_H
#define _MXC_JPEG_HW_H
/* JPEG Decoder/Encoder Wrapper Register Map */
#define GLB_CTRL 0x0
#define COM_STATUS 0x4
#define BUF_BASE0 0x14
#define BUF_BASE1 0x18
#define LINE_PITCH 0x1C
#define STM_BUFBASE 0x20
#define STM_BUFSIZE 0x24
#define IMGSIZE 0x28
#define STM_CTRL 0x2C
/* CAST JPEG-Decoder/Encoder Status Register Map (read-only)*/
#define CAST_STATUS0 0x100
#define CAST_STATUS1 0x104
#define CAST_STATUS2 0x108
#define CAST_STATUS3 0x10c
#define CAST_STATUS4 0x110
#define CAST_STATUS5 0x114
#define CAST_STATUS6 0x118
#define CAST_STATUS7 0x11c
#define CAST_STATUS8 0x120
#define CAST_STATUS9 0x124
#define CAST_STATUS10 0x128
#define CAST_STATUS11 0x12c
#define CAST_STATUS12 0x130
#define CAST_STATUS13 0x134
/* the following are for encoder only */
#define CAST_STATUS14 0x138
#define CAST_STATUS15 0x13c
#define CAST_STATUS16 0x140
#define CAST_STATUS17 0x144
#define CAST_STATUS18 0x148
#define CAST_STATUS19 0x14c
/* CAST JPEG-Decoder Control Register Map (write-only) */
#define CAST_CTRL CAST_STATUS13
/* CAST JPEG-Encoder Control Register Map (write-only) */
#define CAST_MODE CAST_STATUS0
#define CAST_CFG_MODE CAST_STATUS1
#define CAST_QUALITY CAST_STATUS2
#define CAST_RSVD CAST_STATUS3
#define CAST_REC_REGS_SEL CAST_STATUS4
#define CAST_LUMTH CAST_STATUS5
#define CAST_CHRTH CAST_STATUS6
#define CAST_NOMFRSIZE_LO CAST_STATUS16
#define CAST_NOMFRSIZE_HI CAST_STATUS17
#define CAST_OFBSIZE_LO CAST_STATUS18
#define CAST_OFBSIZE_HI CAST_STATUS19
/* JPEG-Decoder Wrapper Slot Registers 0..3 */
#define SLOT_BASE 0x10000
#define SLOT_STATUS 0x0
#define SLOT_IRQ_EN 0x4
#define SLOT_BUF_PTR 0x8
#define SLOT_CUR_DESCPT_PTR 0xC
#define SLOT_NXT_DESCPT_PTR 0x10
#define MXC_SLOT_OFFSET(slot, offset) ((SLOT_BASE * ((slot) + 1)) + (offset))
/* GLB_CTRL fields */
#define GLB_CTRL_JPG_EN 0x1
#define GLB_CTRL_SFT_RST (0x1 << 1)
#define GLB_CTRL_DEC_GO (0x1 << 2)
#define GLB_CTRL_L_ENDIAN(le) ((le) << 3)
#define GLB_CTRL_SLOT_EN(slot) (0x1 << ((slot) + 4))
/* COM_STAUS fields */
#define COM_STATUS_DEC_ONGOING(r) (((r) & (1 << 31)) >> 31)
#define COM_STATUS_CUR_SLOT(r) (((r) & (0x3 << 29)) >> 29)
/* STM_CTRL fields */
#define STM_CTRL_PIXEL_PRECISION (0x1 << 2)
#define STM_CTRL_IMAGE_FORMAT(img_fmt) ((img_fmt) << 3)
#define STM_CTRL_IMAGE_FORMAT_MASK (0xF << 3)
#define STM_CTRL_BITBUF_PTR_CLR(clr) ((clr) << 7)
#define STM_CTRL_AUTO_START(go) ((go) << 8)
#define STM_CTRL_CONFIG_MOD(mod) ((mod) << 9)
/* SLOT_STATUS fields for slots 0..3 */
#define SLOT_STATUS_FRMDONE (0x1 << 3)
#define SLOT_STATUS_ENC_CONFIG_ERR (0x1 << 8)
/* SLOT_IRQ_EN fields TBD */
#define MXC_NXT_DESCPT_EN 0x1
#define MXC_DEC_EXIT_IDLE_MODE 0x4
/* JPEG-Decoder Wrapper - STM_CTRL Register Fields */
#define MXC_PIXEL_PRECISION(precision) ((precision) / 8 << 2)
enum mxc_jpeg_image_format {
MXC_JPEG_INVALID = -1,
MXC_JPEG_YUV420 = 0x0, /* 2 Plannar, Y=1st plane UV=2nd plane */
MXC_JPEG_YUV422 = 0x1, /* 1 Plannar, YUYV sequence */
MXC_JPEG_BGR = 0x2, /* BGR packed format */
MXC_JPEG_YUV444 = 0x3, /* 1 Plannar, YUVYUV sequence */
MXC_JPEG_GRAY = 0x4, /* Y8 or Y12 or Single Component */
MXC_JPEG_RESERVED = 0x5,
MXC_JPEG_ABGR = 0x6,
};
#include "mxc-jpeg.h"
void print_descriptor_info(struct device *dev, struct mxc_jpeg_desc *desc);
void print_cast_status(struct device *dev, void __iomem *reg,
unsigned int mode);
void print_wrapper_info(struct device *dev, void __iomem *reg);
void mxc_jpeg_sw_reset(void __iomem *reg);
int mxc_jpeg_enable(void __iomem *reg);
void mxc_jpeg_enc_mode_conf(struct device *dev, void __iomem *reg, u8 extseq);
void mxc_jpeg_enc_mode_go(struct device *dev, void __iomem *reg, u8 extseq);
void mxc_jpeg_enc_set_quality(struct device *dev, void __iomem *reg, u8 quality);
void mxc_jpeg_dec_mode_go(struct device *dev, void __iomem *reg);
void mxc_jpeg_enable_slot(void __iomem *reg, int slot);
void mxc_jpeg_set_l_endian(void __iomem *reg, int le);
void mxc_jpeg_enable_irq(void __iomem *reg, int slot);
void mxc_jpeg_disable_irq(void __iomem *reg, int slot);
void mxc_jpeg_set_bufsize(struct mxc_jpeg_desc *desc, u32 bufsize);
void mxc_jpeg_set_res(struct mxc_jpeg_desc *desc, u16 w, u16 h);
void mxc_jpeg_set_line_pitch(struct mxc_jpeg_desc *desc, u32 line_pitch);
void mxc_jpeg_set_desc(u32 desc, void __iomem *reg, int slot);
void mxc_jpeg_clr_desc(void __iomem *reg, int slot);
#endif
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