| /* 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 |
| |
| #define MXC_MAX_SLOTS 1 /* TODO use all 4 slots*/ |
| /* 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 wait_frmdone(struct device *dev, void __iomem *reg); |
| void mxc_jpeg_enc_mode_conf(struct device *dev, void __iomem *reg); |
| void mxc_jpeg_enc_mode_go(struct device *dev, void __iomem *reg); |
| 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); |
| int mxc_jpeg_get_slot(void __iomem *reg); |
| u32 mxc_jpeg_get_offset(void __iomem *reg, int slot); |
| 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); |
| int mxc_jpeg_set_input(void __iomem *reg, u32 in_buf, u32 bufsize); |
| int mxc_jpeg_set_output(void __iomem *reg, u16 out_pitch, u32 out_buf, |
| u16 w, u16 h); |
| void mxc_jpeg_set_config_mode(void __iomem *reg, int config_mode); |
| int mxc_jpeg_set_params(struct mxc_jpeg_desc *desc, u32 bufsize, u16 |
| out_pitch, u32 format); |
| 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_set_regs_from_desc(struct mxc_jpeg_desc *desc, |
| void __iomem *reg); |
| #endif |
