drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * i.MX8QXP/i.MX8QM JPEG encoder/decoder v4l2 driver
   4  *
   5  * Copyright 2018-2019 NXP
   6  */
   7
   8 #ifndef _MXC_JPEG_HW_H
   9 #define _MXC_JPEG_HW_H
  10
  11 /* JPEG Decoder/Encoder Wrapper Register Map */
  12 #define GLB_CTRL                        0x0
  13 #define COM_STATUS                      0x4
  14 #define BUF_BASE0                       0x14
  15 #define BUF_BASE1                       0x18
  16 #define LINE_PITCH                      0x1C
  17 #define STM_BUFBASE                     0x20
  18 #define STM_BUFSIZE                     0x24
  19 #define IMGSIZE                         0x28
  20 #define STM_CTRL                        0x2C
  21
  22 /* CAST JPEG-Decoder/Encoder Status Register Map (read-only)*/
  23 #define CAST_STATUS0                    0x100
  24 #define CAST_STATUS1                    0x104
  25 #define CAST_STATUS2                    0x108
  26 #define CAST_STATUS3                    0x10c
  27 #define CAST_STATUS4                    0x110
  28 #define CAST_STATUS5                    0x114
  29 #define CAST_STATUS6                    0x118
  30 #define CAST_STATUS7                    0x11c
  31 #define CAST_STATUS8                    0x120
  32 #define CAST_STATUS9                    0x124
  33 #define CAST_STATUS10                   0x128
  34 #define CAST_STATUS11                   0x12c
  35 #define CAST_STATUS12                   0x130
  36 #define CAST_STATUS13                   0x134
  37 /* the following are for encoder only */
  38 #define CAST_STATUS14           0x138
  39 #define CAST_STATUS15           0x13c
  40 #define CAST_STATUS16           0x140
  41 #define CAST_STATUS17           0x144
  42 #define CAST_STATUS18           0x148
  43 #define CAST_STATUS19           0x14c
  44
  45 /* CAST JPEG-Decoder Control Register Map (write-only) */
  46 #define CAST_CTRL                       CAST_STATUS13
  47
  48 /* CAST JPEG-Encoder Control Register Map (write-only) */
  49 #define CAST_MODE                       CAST_STATUS0
  50 #define CAST_CFG_MODE                   CAST_STATUS1
  51 #define CAST_QUALITY                    CAST_STATUS2
  52 #define CAST_RSVD                       CAST_STATUS3
  53 #define CAST_REC_REGS_SEL               CAST_STATUS4
  54 #define CAST_LUMTH                      CAST_STATUS5
  55 #define CAST_CHRTH                      CAST_STATUS6
  56 #define CAST_NOMFRSIZE_LO               CAST_STATUS16
  57 #define CAST_NOMFRSIZE_HI               CAST_STATUS17
  58 #define CAST_OFBSIZE_LO                 CAST_STATUS18
  59 #define CAST_OFBSIZE_HI                 CAST_STATUS19
  60
  61 /* JPEG-Decoder Wrapper Slot Registers 0..3 */
  62 #define SLOT_BASE                       0x10000
  63 #define SLOT_STATUS                     0x0
  64 #define SLOT_IRQ_EN                     0x4
  65 #define SLOT_BUF_PTR                    0x8
  66 #define SLOT_CUR_DESCPT_PTR             0xC
  67 #define SLOT_NXT_DESCPT_PTR             0x10
  68 #define MXC_SLOT_OFFSET(slot, offset)   ((SLOT_BASE * ((slot) + 1)) + (offset))
  69
  70 /* GLB_CTRL fields */
  71 #define GLB_CTRL_JPG_EN                                 0x1
  72 #define GLB_CTRL_SFT_RST                                (0x1 << 1)
  73 #define GLB_CTRL_DEC_GO                                 (0x1 << 2)
  74 #define GLB_CTRL_L_ENDIAN(le)                           ((le) << 3)
  75 #define GLB_CTRL_SLOT_EN(slot)                          (0x1 << ((slot) + 4))
  76
  77 /* COM_STAUS fields */
  78 #define COM_STATUS_DEC_ONGOING(r)               (((r) & (1 << 31)) >> 31)
  79 #define COM_STATUS_CUR_SLOT(r)                  (((r) & (0x3 << 29)) >> 29)
  80
  81 /* STM_CTRL fields */
  82 #define STM_CTRL_PIXEL_PRECISION                (0x1 << 2)
  83 #define STM_CTRL_IMAGE_FORMAT(img_fmt)          ((img_fmt) << 3)
  84 #define STM_CTRL_IMAGE_FORMAT_MASK              (0xF << 3)
  85 #define STM_CTRL_BITBUF_PTR_CLR(clr)            ((clr) << 7)
  86 #define STM_CTRL_AUTO_START(go)                 ((go) << 8)
  87 #define STM_CTRL_CONFIG_MOD(mod)                ((mod) << 9)
  88
  89 /* SLOT_STATUS fields for slots 0..3 */
  90 #define SLOT_STATUS_FRMDONE                     (0x1 << 3)
  91 #define SLOT_STATUS_ENC_CONFIG_ERR              (0x1 << 8)
  92
  93 /* SLOT_IRQ_EN fields TBD */
  94
  95 #define MXC_NXT_DESCPT_EN                       0x1
  96 #define MXC_DEC_EXIT_IDLE_MODE                  0x4
  97
  98 /* JPEG-Decoder Wrapper - STM_CTRL Register Fields */
  99 #define MXC_PIXEL_PRECISION(precision) ((precision) / 8 << 2)
 100 enum mxc_jpeg_image_format {
 101         MXC_JPEG_INVALID = -1,
 102         MXC_JPEG_YUV420 = 0x0, /* 2 Plannar, Y=1st plane UV=2nd plane */
 103         MXC_JPEG_YUV422 = 0x1, /* 1 Plannar, YUYV sequence */
 104         MXC_JPEG_BGR    = 0x2, /* BGR packed format */
 105         MXC_JPEG_YUV444 = 0x3, /* 1 Plannar, YUVYUV sequence */
 106         MXC_JPEG_GRAY = 0x4, /* Y8 or Y12 or Single Component */
 107         MXC_JPEG_RESERVED = 0x5,
 108         MXC_JPEG_ABGR   = 0x6,
 109 };
 110
 111 #include "mxc-jpeg.h"
 112 void print_descriptor_info(struct device *dev, struct mxc_jpeg_desc *desc);
 113 void print_cast_status(struct device *dev, void __iomem *reg,
 114                        unsigned int mode);
 115 void print_wrapper_info(struct device *dev, void __iomem *reg);
 116 void mxc_jpeg_sw_reset(void __iomem *reg);
 117 int mxc_jpeg_enable(void __iomem *reg);
 118 void mxc_jpeg_enc_mode_conf(struct device *dev, void __iomem *reg, u8 extseq);
 119 void mxc_jpeg_enc_mode_go(struct device *dev, void __iomem *reg, u8 extseq);
 120 void mxc_jpeg_enc_set_quality(struct device *dev, void __iomem *reg, u8 quality);
 121 void mxc_jpeg_dec_mode_go(struct device *dev, void __iomem *reg);
 122 void mxc_jpeg_enable_slot(void __iomem *reg, int slot);
 123 void mxc_jpeg_set_l_endian(void __iomem *reg, int le);
 124 void mxc_jpeg_enable_irq(void __iomem *reg, int slot);
 125 void mxc_jpeg_disable_irq(void __iomem *reg, int slot);
 126 void mxc_jpeg_set_bufsize(struct mxc_jpeg_desc *desc,  u32 bufsize);
 127 void mxc_jpeg_set_res(struct mxc_jpeg_desc *desc, u16 w, u16 h);
 128 void mxc_jpeg_set_line_pitch(struct mxc_jpeg_desc *desc, u32 line_pitch);
 129 void mxc_jpeg_set_desc(u32 desc, void __iomem *reg, int slot);
 130 void mxc_jpeg_clr_desc(void __iomem *reg, int slot);
 131 #endif