求指导IMX415如何适配60帧

[复制链接] · 发表于 2024-12-12 10:05:19

本帖最后由 jackwei 于 2024-12-12 10:48 编辑

一.按照以下配置能正常运行  3864 X  2192 30fps
           {                            .bus_fmt = MEDIA_BUS_FMT_SGBRG10_1X10,
            .width = 3864,
            .height = 2192,
            .max_fps = {
                     .numerator = 10000,
                     .denominator = 300000,
            },
            .exp_def = 0x08ca - 0x08,
            .hts_def = 0x044c * IMX415_4LANES * 2,
            .vts_def = 0x08ca,
            .global_reg_list = imx415_global_10bit_3864x2192_regs,
            .reg_list = imx415_linear_10bit_3864x2192_891M_regs,
            .hdr_mode = NO_HDR,
            .mipi_freq_idx = 1,
            .bpp = 10,
            .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
      },
------------------------------------------------------------------------------------------------------
二. 目前想提升到60fps,尝试改成一下的设置，没有成功，还是 30FPS
只写这一种模式 1944 X 1097  60fps 使用gstream 能正常运行摄像头用 fpsdisplaysink插件看帧率也是 30帧

参考文章：https://t.rock-chips.com/forum.php?mod=viewthread&tid=4490

具体修改，按照我的理解：
(1)需要换小分辨率将驱动原有的 19244 X 1097  30fps 改成60FPS，
  (2）换相应的 global_reg_list
  (3)修改 denominator 为 60  ，修改vts_def 值（除以2），调整 exp_def
  (4)对照第（3）步的值，修改 reg_list 主要是 vtsMax值  地址是  0x3024 0x3025

三. 感觉还是各种值理解有误：
（1）尤其是对mipi_freq_idx  到底使用什么值存在疑惑，
  (2)  对参考文章中的 e) mipi_freq_idx是用来表示使用link_freq_items中哪个的频率，你可以在link_freq_items新加一个60fps使用的mipi freq
       以  1944 X 1097  60fps  需要添加的mipi_freq 频率是 hts_def   * vts_def * 60 吗

-------------------------------------------------------------------------------------------------------------
以下是具体的代码：
{
            .bus_fmt = MEDIA_BUS_FMT_SGBRG12_1X12,
            .width = 1944,
            .height = 1097,
            .max_fps = {
                     .numerator = 10000,
                     .denominator = 600000,
            },
            .exp_def = 0x062e- 0x08,
            .hts_def = 0x030e * 3,
            .vts_def = 0x062e,  //  0x0c5d / 2 = 0x062e
            .global_reg_list = imx415_global_12bit_3864x2192_regs,
            .reg_list = imx415_linear_12bit_1932x1096_594M_regs,
            .hdr_mode = NO_HDR,
            .mipi_freq_idx = 0,
            .bpp = 12,
            .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
      },
static const s64 link_freq_items[] = {
      MIPI_FREQ_297M,
      MIPI_FREQ_446M,
      MIPI_FREQ_743M,
      MIPI_FREQ_891M,
};

----------------相关的寄存器值-------------------------------------

static __maybe_unused const struct regval imx415_global_12bit_3864x2192_regs[] = {
      {0x3002, 0x00},
      {0x3008, 0x7F},
      {0x300A, 0x5B},
      {0x30C1, 0x00},
      {0x3031, 0x01},
      {0x3032, 0x01},
      {0x30D9, 0x06},
      {0x3116, 0x24},
      {0x3118, 0xC0},
      {0x311E, 0x24},
      {0x32D4, 0x21},
      {0x32EC, 0xA1},
      {0x3452, 0x7F},
      {0x3453, 0x03},
      {0x358A, 0x04},
      {0x35A1, 0x02},
      {0x36BC, 0x0C},
      {0x36CC, 0x53},
      {0x36CD, 0x00},
      {0x36CE, 0x3C},
      {0x36D0, 0x8C},
      {0x36D1, 0x00},
      {0x36D2, 0x71},
      {0x36D4, 0x3C},
      {0x36D6, 0x53},
      {0x36D7, 0x00},
      {0x36D8, 0x71},
      {0x36DA, 0x8C},
      {0x36DB, 0x00},
      {0x3701, 0x03},
      {0x3724, 0x02},
      {0x3726, 0x02},
      {0x3732, 0x02},
      {0x3734, 0x03},
      {0x3736, 0x03},
      {0x3742, 0x03},
      {0x3862, 0xE0},
      {0x38CC, 0x30},
      {0x38CD, 0x2F},
      {0x395C, 0x0C},
      {0x3A42, 0xD1},
      {0x3A4C, 0x77},
      {0x3AE0, 0x02},
      {0x3AEC, 0x0C},
      {0x3B00, 0x2E},
      {0x3B06, 0x29},
      {0x3B98, 0x25},
      {0x3B99, 0x21},
      {0x3B9B, 0x13},
      {0x3B9C, 0x13},
      {0x3B9D, 0x13},
      {0x3B9E, 0x13},
      {0x3BA1, 0x00},
      {0x3BA2, 0x06},
      {0x3BA3, 0x0B},
      {0x3BA4, 0x10},
      {0x3BA5, 0x14},
      {0x3BA6, 0x18},
      {0x3BA7, 0x1A},
      {0x3BA8, 0x1A},
      {0x3BA9, 0x1A},
      {0x3BAC, 0xED},
      {0x3BAD, 0x01},
      {0x3BAE, 0xF6},
      {0x3BAF, 0x02},
      {0x3BB0, 0xA2},
      {0x3BB1, 0x03},
      {0x3BB2, 0xE0},
      {0x3BB3, 0x03},
      {0x3BB4, 0xE0},
      {0x3BB5, 0x03},
      {0x3BB6, 0xE0},
      {0x3BB7, 0x03},
      {0x3BB8, 0xE0},
      {0x3BBA, 0xE0},
      {0x3BBC, 0xDA},
      {0x3BBE, 0x88},
      {0x3BC0, 0x44},
      {0x3BC2, 0x7B},
      {0x3BC4, 0xA2},
      {0x3BC8, 0xBD},
      {0x3BCA, 0xBD},
      {0x4004, 0x48},
      {0x4005, 0x09},
      {REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_linear_12bit_1932x1096_594M_regs[] = {
      {0x3020, 0x01},
      {0x3021, 0x01},
      {0x3022, 0x01},
      {0x3024, 0x2E}, //0x5D
      {0x3025, 0x06}, //0x0C
      {0x3028, 0x0E},
      {0x3029, 0x03},
      {0x302C, 0x00},
      {0x302D, 0x00},
      {0x3031, 0x00},
      {0x3033, 0x07},
      {0x3050, 0x08},
      {0x3051, 0x00},
      {0x3054, 0x19},
      {0x3058, 0x3E},
      {0x3060, 0x25},
      {0x3064, 0x4A},
      {0x30CF, 0x00},
      {0x30D9, 0x02},
      {0x30DA, 0x01},
      {0x3118, 0x80},
      {0x3260, 0x01},
      {0x3701, 0x00},
      {0x400C, 0x00},
      {0x4018, 0x67},
      {0x401A, 0x27},
      {0x401C, 0x27},
      {0x401E, 0xB7},
      {0x401F, 0x00},
      {0x4020, 0x2F},
      {0x4022, 0x4F},
      {0x4024, 0x2F},
      {0x4026, 0x47},
      {0x4028, 0x27},
      {0x4074, 0x01},
      {REG_NULL, 0x00},
};

只看该作者 · 发表于 2025-1-17 11:22:51

看这个链接https://t.rock-chips.com/forum.php?mod=viewthread&tid=4827&extra=