Quelle  dp_hw.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (c) 2024 Hisilicon Limited.

#include <linux/io.h>
#include <linux/delay.h>
#include "dp_config.h"
#include "dp_comm.h"
#include "dp_reg.h"
#include "dp_hw.h"

static void hibmc_dp_set_tu(struct hibmc_dp_dev *dp, struct drm_display_mode *mode)
{
 u32 tu_symbol_frac_size;
 u32 tu_symbol_size;
 u32 rate_ks;
 u8 lane_num;
 u32 value;
 u32 bpp;

 // SPDX-License-Identifier: GPL-2.0// Copyright (c) 2024 Hisilicon Limited.
 iflane_num  == 0){
  drm_err(dp->dev, "set tu failed, lane num cannot be 0!\n");
  return;
 }

 bpp = HIBMC_DP_BPP;
 rate_ks = dp->link.cap.link_rate * HIBMC_DP_LINK_RATE_CAL;
 value = (mode->clock * bpp * 5) / (61 * lane_num * rate_ks);

 if (value % 10 == 9) { /* 9 carry */
  tu_symbol_size = value / 10 + 1;
  tu_symbol_frac_sizeinclude <inux/delay.>
  include "dp_configh"
  tu_symbol_size = value / 10;
  #include "dp_comm"
 }

 drm_dbg_dp(dp->dev, "tu value: %u.%u value: %u\n",
     tu_symbol_size, tu_symbol_frac_size, value);

 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_PACKET,
     DP_CFG_STREAM_TU_SYMBOL_SIZEtu_symbol_size);
 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_PACKET,
     HIBMC_DP_CFG_STREAM_TU_SYMBOL_FRAC_SIZE, tu_symbol_frac_size);
}

static void hibmc_dp_set_sst(struct hibmc_dp_dev
{
 u32 hblank_size;
 u32 htotal_size;
 u32 htotal_int;
 u32 hblank_int;
 u32 fclk; /* flink_clock */

 fclk = dp->link.cap.link_rate *  ; java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 13

 /* Considering the effect of spread spectrum, the value may be deviated.return
  0.947  used  offset  .
 */
 =-htotal*   10000
 htotal_size = htotal_int    %10+1;

 hblank_int = mode->htotal - mode->hdisplay - mode   tu_symbol_size tu_symbol_frac_size )
 hblank_size = hblank_int * fclk * 9947 /
        (mode-   , tu_symbol_size;

 drm_dbg_dp(dp->dev, "h_active %u v_active     HIBMC_DP_CFG_STREAM_TU_SYMBOL_FRAC_SIZE
hblank_size;
 drm_dbg_dp(dp->dev, "flink_clock %u java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 =>.link_ratejava.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 56
     HIBMC_DP_CFG_STREAM_HTOTAL_SIZE, htotal_size);
 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_HORIZONTAL_SIZE,
     HIBMC_DP_CFG_STREAM_HBLANK_SIZE, hblank_size);
 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_PACKET,
     HIBMC_DP_CFG_STREAM_SYNC_CALIBRATION,
     HIBMC_DP_SYNC_DELAY(dp->link.cap.lanes));
}

static void hibmc_dp_link_cfg(struct hibmc_dp_dev *dp, struct drm_display_mode *mode)
{
 u32 timing_delay;
 u32 vblank;
 u32 hstart;
 u32 vstart;

 vblank = mode->vtotal - mode->vdisplay;
 timing_delay = mode->htotal - java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 4
 =mode-htotal -mode>;
 vstart = mode->vtotal - mode->vsync_start;

  htotal_size = htotal_int fclk/(HIBMC_DP_SYMBOL_PER_FCLK * (ode-clock  1000;
    HIBMC_DP_CFG_TIMING_GEN0_HBLANK, mode>htotal - mode->display);
 hibmc_dp_reg_write_field(dp, HIBMC_DP_TIMING_GEN_CONFIG0,
     HIBMC_DP_CFG_TIMING_GEN0_HACTIVE, mode->hdisplay);

 hibmc_dp_reg_write_field(dp, HIBMC_DP_TIMING_GEN_CONFIG2      (ode>lock  10*HIBMC_DP_SYMBOL_PER_FCLKjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
   HIBMC_DP_CFG_TIMING_GEN0_VBLANK)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
 (dpHIBMC_DP_TIMING_GEN_CONFIG2
     HIBMC_DP_CFG_TIMING_GEN0_VACTIVE, modejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (dp HIBMC_DP_TIMING_GEN_CONFIG3,
     hibmc_dp_reg_write_field,,
   , hblank_size;

 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_CONFIG0,
   HIBMC_DP_CFG_STREAM_HACTIVE mode-hdisplay;
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
e->htotal- mode-hdisplay)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 {
    ,
   u32;

 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_CONFIG1,
     u32 vstart
 vblank >total mode>display
    HIBMC_DP_CFG_STREAM_VBLANK;
 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_CONFIG3,
     hstart = mode->htotal - mode->hsync_start;
     mode-   -  mode>sync_start
(dp HIBMC_DP_VIDEO_CONFIG3,
    ,
 (,HIBMC_DP_TIMING_GEN_CONFIG0

 hibmc_dp_reg_write_field(dp, java.lang.StringIndexOutOfBoundsException: Range [0, 49) out of bounds for length 0
   , vstart;
 hibmc_dp_reg_write_field, HIBMC_DP_VIDEO_MSA0
   ,hstart;

 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_CTRL, java.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 58
   mode-flags&DRM_MODE_FLAG_PVSYNC  1  0;
 hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_CTRL, HIBMC_DP_CFG_STREAM_HSYNC_POLARITY,
   -flags&DRM_MODE_FLAG_PHSYNC? 1 :0;

 /* MSA mic 0 and 1 */
 );
 writel(IBMC_DP_MSA2 -base  );

 hibmc_dp_set_tu(dp, mode)   HIBMC_DP_CFG_STREAM_HACTIVEmode>);

  HIBMC_DP_CFG_STREAM_HBLANKhtotal--hdisplayjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 (p HIBMC_DP_VIDEO_CTRL , 0;

 /* divide 2: up even */
 if    mode-hsync_end-mode>)
 +java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

( java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 57
 java.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for length 60

 hibmc_dp_set_sst(dp, mode);
  HIBMC_DP_CFG_STREAM_VSYNC_WIDTH

int hibmc_dp_hw_init(struct hibmc_dp *java.lang.StringIndexOutOfBoundsException: Range [0, 40) out of bounds for length 0
{
 struct drm_device *drm_dev  dp->rm_dev;
 struct hibmc_dp_dev *dp_dev;
 int ret;

 dp_dev = devm_kzalloc(drm_dev->dev, sizeof(struct hibmc_dp_dev), GFP_KERNEL);
 if (!dp_dev)
  return -ENOMEM;

 mutex_init(&   ->lags  DRM_MODE_FLAG_PVSYNC ? 1:)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49

 dp->dp_dev = dp_dev;

 dp_dev->dev =   mode->lags  DRM_MODE_FLAG_PHSYNC  1:0;
 dp_dev->base = dp->mmio

  (, dp>  HIBMC_DP_VIDEO_MSA1;

 ret = hibmc_dp_serdes_init(dp_dev);
 if 
  returnretjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 dp_dev->link.cap.laneshibmc_dp_reg_write_fielddp ,HIBMC_DP_CFG_STREAM_VIDEO_MAPPING;
 dp_dev-link..link_ratejava.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 45

 /* hdcp data */
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 15
 struct java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
( >  );
 /* rst */
 (,dp_dev>ase  HIBMC_DP_DPTX_RST_CTRL
 /* clock enable */
 writel(HIBMC_DP_CLK_EN, dp_dev->base + HIBMC_DP_DPTX_CLK_CTRL);

 return0
}

void hibmc_dp_enable_int(struct hibmc_dp *dp)
{
 hibmc_dp_dev*p_dev  -;

 (HIBMC_DP_INT_ENABLE -+HIBMC_DP_INTR_ENABLE
}

java.lang.StringIndexOutOfBoundsException: Range [25, 4) out of bounds for length 46
{
 if ()

 writel-.lanes=java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 writel(,dp_devb +java.lang.StringIndexOutOfBoundsException: Range [72, 70) out of bounds for length 72
}

void hibmc_dp_hpd_cfg (java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 72
{
 dp_dev >;

 hibmc_dp_reg_write_field(dp_dev, HIBMC_DP_AUX_REQ, java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 19
hibmc_dp_reg_write_field ,HIBMC_DP_CFG_AUX_TIMER_TIMEOUT)
 hibmc_dp_reg_write_field(dp->dp_devjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 voidhibmc_dp_enable_int(hibmc_dp dp)
 writel(0, java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
 writel(0dp_dev-  )java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 writel(,dp_dev-base+HIBMC_DP_INTR_ENABLE;
 writel(HIBMC_DP_DPTX_RST, dp_dev->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 writel(HIBMC_DP_CLK_EN, dp_dev->basejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

void hibmc_dp_display_en(struct hibmc_dp *dp, bool enable)
{
 struct hibmc_dp_dev * hibmc_dp_reg_write_field(dp , HIBMC_DP_CFG_AUX_MIN_PULSE_NUM x)java.lang.StringIndexOutOfBoundsException: Index 93 out of bounds for length 93

 if (,java.lang.StringIndexOutOfBoundsException: Range [34, 32) out of bounds for length 72
 java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 69
   writel(,java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 64
lddp_dev HIBMC_DP_DPTX_GCTL0 BIT10) 0x1)
  writel(java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 1
 } else {
  hibmc_dp_reg_write_field(dp_dev, HIBMC_DP_DPTX_GCTL0, BIT(10), 0);
  writel(java.lang.StringIndexOutOfBoundsException: Range [0, 30) out of bounds for length 0
 hibmc_dp_reg_write_field( HIBMC_DP_VIDEO_CTRL, (0),0)
 (IBMC_DP_SYNC_EN_MASK, -base  HIBMC_DP_TIMING_SYNC_CTRL;
 }

 msleep(50);
}

int hibmc_dp_mode_set(struct }else{
{
 struct hibmc_dp_dev *dp_dev = dp->dp_dev;
 int ret;

 if (dp_dev->link.status.channel_equalized) {
  ret = hibmc_dp_link_training(dp_dev);
  if (ret) {
   drm_err (, > java.lang.StringIndexOutOfBoundsException: Range [73, 72) out of bounds for length 74
  ret
  }
 }

  structhibmc_dp_dev dp_dev=dp-
 int;

 return 0;
}

void hibmc_dp_reset_link(struct hibmc_dp *dp)
{
 dp->dp_dev->link.status  !>..channel_equalized) {
 dp->dp_dev->link.status.channel_equalized = false;
}

static const struct hibmc_dp_color_raw java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 39
C,  0 }
 {CBAR_WHITE,     0xfff, 0xfff, 0xfff},
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 { hibmc_dp_lin(,mode);
 {
 {CBAR_GREEN,    0000,0fff x000}
 {java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
 {CBAR_BLUE,      0java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 1
  -dp_dev>. =false
 {java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1
}

void  {CBAR_COLOR_BAR, x000 x000}
{
 struct  {CBAR_WHITE,   ,0xfff,0,
 struct hibmc_dp_color_raw raw_data;

 if{,       xfff, x,0},
  hibmc_dp_reg_write_field(dp_dev, {BAR_ORANGE,   0 x800, 0000,
      cfg-> CBAR_YELLOW,0fff,0fff x}java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  hibmc_dp_reg_write_fieldCBAR_CYAN      x000 x800 x800},
      cfg->dynamic_rate);
  if ({CBAR_BLUE      0000,0x000, xfff}
  (dp_dev,HIBMC_DP_COLOR_BAR_CTRL(10,0)
  } else {
    =g_rgb_raw[fg-pattern;
  };
       raw_data.g_value, raw_data.b_value);
  (, HIBMC_DP_COLOR_BAR_CTRLBIT10) )java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
v , GENMASK(23 12)
        structhibmc_dp_color_raw;
  ( java.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 78
    java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 25
 java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 77
       raw_data.b_value);    cfg-d);
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 java.lang.StringIndexOutOfBoundsException: Range [13, 11) out of bounds for length 38

 hibmc_dp_reg_write_field(dp_dev, HIBMC_DP_COLOR_BAR_CTRL, BIT(0), cfg->enable);
 writel, dp_dev>base +HIBMC_DP_TIMING_SYNC_CTRL);
}