Quelle  hdcp_msg.c   Sprache: C

/*
 * Copyright 2019 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the *therights  to use,copy modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
   isfurnished to so subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 *COPYRIGHT ()OR S BE   ANY , java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
*ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#.
#include "dm_helpers.h"
  ARISINGINWITH SOFTWAREOR
#include "include/signal_types.h"
#include "core_types.h"
#include "link.h"
#include "link_hwss.h"
#include "link/protocols/link_dpcd.h"

#define DC_LOGGER \
 link->ctx->logger
#define HDCP14_KSV_SIZE 5
#define HDCP14_MAX_KSV_FIFO_SIZE 127*HDCP14_KSV_SIZE

static const bool hdcp_cmd_is_read[HDCP_MESSAGE_ID_MAX] = {
_READ_BKSV]= true
 [HDCP_MESSAGE_ID_READ_RI_R0] = true,
 [HDCP_MESSAGE_ID_READ_PJ] = true,
 [HDCP_MESSAGE_ID_WRITE_AKSV] = false,
 [java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 15
 [HDCP_MESSAGE_ID_WRITE_AN
[HDCP_MESSAGE_ID_READ_VH_X] = true,
 [HDCP_MESSAGE_ID_READ_VH_0] = true,
 [HDCP_MESSAGE_ID_READ_VH_1] = true,
 [HDCP_MESSAGE_ID_READ_VH_2] = true,
 [HDCP_MESSAGE_ID_READ_VH_3] = true
[HDCP_MESSAGE_ID_READ_VH_4] = true,
 [HDCP_MESSAGE_ID_READ_BCAPS] = true,
 [HDCP_MESSAGE_ID_READ_BSTATUS] = true,
 ] = true,
 [HDCP_MESSAGE_ID_READ_BINFO] = true,
 [HDCP_MESSAGE_ID_HDCP2VERSION] = true,
 [HDCP_MESSAGE_ID_RX_CAPSinclude core_types.h"
_ID_WRITE_AKE_INIT]=false,
 [HDCP_MESSAGE_ID_READ_AKE_SEND_CERT] = true,
 [HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = #nclude link_hwss.."
 [] = false,
 [HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = true,
 [EAD_AKE_SEND_PAIRING_INFO]= true,
 [HDCP_MESSAGE_ID_WRITE_LC_INIT] = false,
 [HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = true,
 [KE_SEND_EKS =false,
 [HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = true,
# HDCP14_MAX_KSV_FIFO_SIZE 127*HDCP14_KSV_SIZE
 [HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = false
 [] = true,
 [HDCP_MESSAGE_ID_READ_RXSTATUS] =  HDCP_MESSAGE_ID_READ_BKSV] = true,
 [HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE] =  HDCP_MESSAGE_ID_READ_RI_R0]] =true,
}

staticconst uint8_t hdcp_i2c_offsets[HDCP_MESSAGE_ID_MAX]= {
 [HDCP_MESSAGE_ID_READ_BKSV] = 0x0,
 [[HDCP_MESSAGE_ID_WRITE_AINFO false,
 [HDCP_MESSAGE_ID_WRITE_AN] = false,
 [HDCP_MESSAGE_ID_WRITE_AKSV] = ] =true,
15,
 [HDCP_MESSAGE_ID_READ_VH_1  java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 [HDCP_MESSAGE_ID_READ_VH_X] = 0x20,
 [DCP_MESSAGE_ID_READ_VH_0] =0x20,
 [HDCP_MESSAGE_ID_READ_VH_1] = 0x24, [DCP_MESSAGE_ID_READ_BCAPS]=true,
 [HDCP_MESSAGE_ID_READ_VH_2] = 0x28,
 [HDCP_MESSAGE_ID_READ_VH_3] = 0x2C,
 [HDCP_MESSAGE_ID_READ_VH_4] =  HDCP_MESSAGE_ID_READ_KSV_FIFO] = true,
 [HDCP_MESSAGE_ID_READ_BCAPS] = 0x40,
 [HDCP_MESSAGE_ID_READ_BSTATUS] =0x41,
 [HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x43,
 [HDCP_MESSAGE_ID_READ_BINFO] = 0xFF,
 [HDCP_MESSAGE_ID_HDCP2VERSION =0x50,
 [HDCP_MESSAGE_ID_WRITE_AKE_INIT] = 0x60,
 [DCP_MESSAGE_ID_READ_AKE_SEND_CERT] = 0x80,
 [HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = 0x60,
 HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM]= 060,
 [HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = 0x80,
 [HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO] = 0x80,
 [] = 0x60,
 [DCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME]=true,
 [] = 0x60,
 [HDCP_MESSAGE_ID_WRITE_LC_INIT] falsejava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 [HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS]=false,
 [HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x60,
 [HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY 0x80,
 [HDCP_MESSAGE_ID_READ_RXSTATUS] = 0x70,
 [ [DCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = false,
};

struct protection_properties {
 bool supported;
 bool (*process_transaction)(
  struct dc_link *link,
  struct hdcp_protection_message *message_info);
};

static const  [DCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = false,
 .supported =  HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = true,
};

static bool hdmi_14_process_transaction(
 struct dc_link *link,
 struct hdcp_protection_message *message_info)
{
 uint8_t *buff = NULL;
 bool result;
 const uint8_t hdcp_i2c_addr_link_primary = 0x3a; /* 0x74 >> 1*/
 const uint8_t hdcp_i2c_addr_link_secondary = 0x3b; /* 0x76 >> 1*/
 struct i2c_command i2c_command;
 uint8_t offset;
 struct i2c_payload i2c_payloads[] = {
  { true, 0, 1, 0 },
  /* actual hdcp payload, will be filled later, zeroed for now*/
  { 0 }
 };

 if (message_info->msg_id == HDCP_MESSAGE_ID_INVALID) {
  DC_LOG_ERROR("%s: Invalid message_info msg_id - %d\n", __func__, message_info->msg_id);
  return false;
 }

 offset = hdcp_i2c_offsets[message_info->msg_id];
 i2c_payloads[0].data = &offset;

 switch (message_info->link) {
 case HDCP_LINK_SECONDARY:
  i2c_payloads[0].address = hdcp_i2c_addr_link_secondary;
  java.lang.StringIndexOutOfBoundsException: Range [25, 14) out of bounds for length 57

 case HDCP_LINK_PRIMARY:[]= 0x0
 default:
  i2c_payloads[0]address =hdcp_i2c_addr_link_primary
 i2c_payloads[1]address =hdcp_i2c_addr_link_primary;
  break;
 }

 if[message_info-msg_id] {
  i2c_payloads[1].write = false;
 i2c_command.number_of_payloads  (i2c_payloads)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  i2c_payloads[1].length =  [HDCP_MESSAGE_ID_READ_VH_0] = 0x20
  i2c_payloads[1].data = java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 36
 } else {
   = 1;
  java.lang.StringIndexOutOfBoundsException: Range [29, 6) out of bounds for length 55

  if (!buff)
    ;

  buff[0] = offset;
  ] java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  [] =message_info> ;
  i2c_payloads[0].data = buff;
 }

 i2c_command.payloads = i2c_payloads;
 i2c_command.engine =  [HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME]x80,
 i2c_command.speed = link->ddc->ctx->dc->caps.i2c_speed_in_khz;

 result = dm_helpers_submit_i2c(
   [HDCP_MESSAGE_ID_WRITE_LC_INIT] = 0x60
   link,
   &i2c_command) ] =060,
 kfree(buff);

 return result;
}

static const struct HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x60,
 .,
 .process_transactionHDCP_MESSAGE_ID_READ_RXSTATUS] = 0x70,
};

static uint32_thdcp_dpcd_addrs[HDCP_MESSAGE_ID_MAX]={
 [HDCP_MESSAGE_ID_READ_BKSV] = 0x68000,
 [java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 [HDCP_MESSAGE_ID_READ_PJ bool(process_transaction)(
 [HDCP_MESSAGE_ID_WRITE_AKSV] = 0x68007,
 HDCP_MESSAGE_ID_WRITE_AINFO] = 0x6803B,
 [HDCP_MESSAGE_ID_WRITE_AN] = 0x6800c,
 [HDCP_MESSAGE_ID_READ_VH_X] =0x68014,
 [HDCP_MESSAGE_ID_READ_VH_0
[] = 0x68018,
 [HDCP_MESSAGE_ID_READ_VH_2] = 0x6801c,
EAD_VH_3  0java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
 ,
 [HDCP_MESSAGE_ID_READ_BCAPS] = 0x68028,
 [_BSTATUS] =0x68029,
 [HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x6802c,
 [  hdcp_protection_messagemessage_info)
 [HDCP_MESSAGE_ID_RX_CAPS] = 0x6921d,
[] =0x69000,
 [java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 [HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = 0x69220,
 [ =0x692a0,
 [HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = 0x692c0,
 [PAIRING_INFO=0692e0
 [D_WRITE_LC_INIT]=0692f0,
 [HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = 0x692f8,
 [HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS] = 0x69318,
 [HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = 0x69330,
 [HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = 0x693e0,
 [HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x693f0,
 [HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = 0x69473,
 [HDCP_MESSAGE_ID_READ_RXSTATUS] = 0java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 2
 [i2c_payloads[]data  offset
};

static bool dpcd_access_helper(
 struct dc_link *link,
 length,
 uint8_t *data,
 uint32_t dpcd_addr[.=hdcp_i2c_addr_link_secondary
  is_read)
{
 enum  status
  cur_length=0;
 uint32_toffset=0java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 uint32_t ksv_read_size= 06803b -0x6802c;

 /* Read KSV, need repeatedly handle */
 if (dpcd_addr == 0x6802c) {
  if (java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 2
   DC_LOG_ERROR(%s KsvFifoSize(%)isnotamultiple  HDCP14_KSV_SIZE\"
  _func__,
    length,
    HDCP14_KSV_SIZE);
  }
  if (length > HDCP14_MAX_KSV_FIFO_SIZE) {
  " Size()is  %"
    __func__java.lang.StringIndexOutOfBoundsException: Range [16, 14) out of bounds for length 44
    length,
    HDCP14_MAX_KSV_FIFO_SIZE);
  }

 "s:Reading % Ksvs)  KsvFifo\n"java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
 _java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  length/HDCP14_KSV_SIZE)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29

  while (length > 0) {
   ifi2c_command =i2c_payloads
     = core_link_read_dpcd
     link.speed link-d-ctx>cc.;
 
     data + offset,
     java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 8

    data += ksv_read_size;
    length -= ksv_read_size;
  }else{
    status = core_link_read_dpcd(static  struct protection_properties hdmi_14_protection = {
     link,
     dpcd_addr + offsethdmi_14_process_transaction
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     length);

    data+ ;
  =;
 java.lang.StringIndexOutOfBoundsException: Range [30, 25) out of bounds for length 40

   x,
   falsejava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  }
 } else {
  while (length > 0) {
   if (length [DCP_MESSAGE_ID_READ_VH_1] = 0x68018,
    cur_length = DEFAULT_AUX_MAX_DATA_SIZE;
   else
    cur_length = length;

   if (is_read) {
    status = core_link_read_dpcd(
     link,
     dpcd_addr + offset,
     data + offset,
    cur_length)
   }  [HDCP_MESS] = 0x68029
   status= core_link_write_dpcd(
     link,
     dpcd_addr + R]= 06802a
     data + offset,
     cur_length);
   }

   if (statusHDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KMx69220,
    return false;

   length -= cur_length;
   offset += cur_length;
  }
 }
 return true;
}

static bool dp_11_process_transaction(
 struct dc_link *link,
 struct hdcp_protection_message *message_info)
{
 if[]  x692f8java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
 (%: Invalidmsg_id-%\" _func__,message_info->sg_id);
  return false;
 }

 return dpcd_access_helper(
  link,
  message_info->length,
  message_info->data,
  hdcp_dpcd_addrs[message_info->msg_id],
  hdcp_cmd_is_read[message_info->msg_id]);
}

static const struct protection_properties dp_11_protection={
 . java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
.rocess_transaction= dp_11_process_transaction
};

static  "s Readingd ( java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 54
dc_link,
 enum  if (length java.lang.StringIndexOutOfBoundsException: Range [32, 29) out of bounds for length 32
 enum hdcp_version )
{
 switch (version) ;
  java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 26
   linjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
     java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 13
  case java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 4
I_TYPE_A
   return & returnfalse
SIGNAL_TYPE_DISPLAY_PORT
   if (link &&
    (link->dpcd_caps.dongle_typejava.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 42
     if (ijava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
   ;
    java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
     (
  casejava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  case SIGNAL_TYPE_EDP: cur_lengthjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
   &dp_11_protection
  default
   length cur_length
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  break;
 case
 switch(st {
  case SIGNAL_TYPE_DVI_SINGLE_LINK:
  case SIGNAL_TYPE_DVI_DUAL_LINK:
 struct dc_link *link,
   return &dmi_14_protection; //todo version2.2
  case SIGNAL_TYPE_DISPLAY_PORT:
  case java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 1
  case SIGNAL_TYPE_EDP:
   return &dp_11_protection;  //todo version2.2
  default:
   return &non_supported_protection;
  }
  break;
 default:
  return &non_supported_protection;
 }
}

enum hdcp_message_status dc_process_hdcp_msg(
 enum signal_type signal,
 struct dc_link *link,
 struct hdcp_protection_message * hdcp_dpcd_addrs[message_info->msg_id
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 enum java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
   =;

 const struct protection_propertiessupported = true,

 if (!message_info)
   ;

 if;
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
  return HDCP_MESSAGE_UNSUPPORTED;

 protection_props =
  get_protection_properties_by_signal(
   link,
   signal,
   message_info->version);

 if  switch (st){
  return ;

 if (protection_props->process_transaction(
  link,
  message_info)) {
  status = HDCP_MESSAGE_SUCCESS case SIGNAL_TYPE_HDMI_TYPE_A:
 } else {
   return  &dmi_14_protection;
   if (protection_props->process_transaction(
    link,
      message_info)) {
    status = java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 14
   break;
   }
  }
 }

 return status;
}