debug/vip_diagnostic.sh

   1 #!/bin/bash
   2 #Author:- Nikhil Devshatwar
   3 #This script is used for debugging issues with VIP and LVDS cameras.
   4 #This can be used for linux based capture as well as infoadas use cases.
   5 #For any queries, contact http://e2e.ti.com/support/omap/f/885
   6
   7
   8 resolve_port()
   9 {
  10         if [ $port = "vin1a" ]; then
  11                 inst=0x48970000
  12                 slice=0x5500
  13                 i2cbus=11
  14                 desAddr=0x60
  15                 crossbar=VIP1_IRQ_1
  16                 echo "VIP 1 Slice 0 Port A <--> LVDS cam1"
  17         elif [ $port = "vin2a" ]; then
  18                 inst=0x48970000
  19                 slice=0x5a00
  20                 i2cbus=12
  21                 desAddr=0x64
  22                 crossbar=VIP1_IRQ_2
  23                 echo "VIP 1 Slice 1 Port A <--> LVDS cam2"
  24         elif [ $port = "vin3a" ]; then
  25                 inst=0x48990000
  26                 slice=0x5500
  27                 i2cbus=13
  28                 desAddr=0x68
  29                 crossbar=VIP2_IRQ_1
  30                 echo "VIP 2 Slice 0 Port A <--> LVDS cam3"
  31         elif [ $port = "vin4b" ]; then
  32                 inst=0x48990000
  33                 slice=0x5a00
  34                 i2cbus=15
  35                 desAddr=0x61
  36                 crossbar=VIP2_IRQ_2
  37                 echo "VIP 2 Slice 1 Port B <--> LVDS cam5"
  38         elif [ $port = "vin5a" ]; then
  39                 inst=0x489b0000
  40                 slice=0x5500
  41                 i2cbus=14
  42                 desAddr=0x6c
  43                 crossbar=VIP3_IRQ_1
  44                 echo "VIP 3 Slice 0 Port A <--> LVDS cam4"
  45         elif [ $port = "vin6a" ]; then
  46                 inst=0x489b0000
  47                 slice=0x5a00
  48                 i2cbus=16
  49                 desAddr=0x69
  50                 crossbar=VIP3_IRQ_2
  51                 echo "VIP 3 Slice 1 Port A <--> LVDS cam6"
  52         else
  53                 echo "Unsupported port $port"
  54                 exit 1
  55         fi
  56 }
  57
  58 resolve_board()
  59 {
  60         basebus=1
  61 }
  62
  63 parser_reg()
  64 {
  65         addr=`printf "0x%08x" $(( $inst + $slice + $2 ))`
  66         omapconf $1 $addr $3 2>/dev/null
  67 }
  68
  69 vpdma_dumpdesc()
  70 {
  71         echo
  72         echo "VPDMA descriptor dump"
  73         listAddr=`printf "0x%x" $(( $inst + 0xd004 ))`
  74         startAddr=0x`omapconf read $listAddr 2>/dev/null`
  75         endAddr=`printf "0x%x" $(( $startAddr + 0x40 ))`
  76         omapconf dump $startAddr $endAddr 2>/dev/null
  77
  78         #Print the data type
  79         w0Addr=`printf "0x%x" $(( $startAddr + 0x0 ))`
  80         word0=`omapconf read $w0Addr 2>/dev/null`
  81         dtype=`printf "0x%x" $(( 0x$word0 >> 26 & 0x3f))`
  82         echo "VPDMA data type:- $dtype"
  83
  84         #Print the channel number
  85         w4Addr=`printf "0x%x" $(( $startAddr + 0xc ))`
  86         word4=`omapconf read $w4Addr 2>/dev/null`
  87         chan=`printf "%d" $(( 0x$word4 >> 16 & 0xff))`
  88         echo "VPDMA channel number used:- $chan"
  89
  90         #Print write descriptor
  91         echo
  92         echo "VPDMA write descriptor dump"
  93         w5Addr=`printf "0x%x" $(( $startAddr + 0x10 ))`
  94         word4=0x`omapconf read $w5Addr 2>/dev/null`
  95         wrst=`printf "0x%x" $(( $word4 & ~0x7))`
  96         wrend=`printf "0x%x" $(( $wrst + 0x20 ))`
  97         omapconf dump $wrst $wrend 2>/dev/null
  98
  99         #Print size written
 100         fraddr=`printf "0x%x" $(( $wrst + 0x10 ))`
 101         frval=0x`omapconf read $fraddr 2>/dev/null`
 102         width=`printf "%d" $(( $frval >> 16 ))`
 103         height=`printf "%d" $(( $frval & 0xff ))`
 104         echo "Frame size written:- $width x $height"
 105 }
 106
 107 ovcam() {
 108 #ovcam [read | write] <i2cbus> <chip> <16bit addr> [<val>]
 109         addrlow=`printf "0x%02x" $(($4 & 0xff))`
 110         addrhigh=`printf "0x%02x" $(($4 >> 8))`
 111         i2cset -f -y $2 $3 $addrhigh $addrlow
 112         if [ $1 = "read" ]; then
 113                 i2cget -f -y $2 $3
 114         elif [ $1 = "write" ]; then
 115                 i2cset -f -y $2 $3 $5
 116         fi
 117 }
 118
 119 getIRQcnt() {
 120 #Make sure that gicirq is set correctly
 121         cat /proc/interrupts | grep "$gicirq" | awk '-F ' '{ print $2 }'
 122 }
 123
 124 crossbar_dump() {
 125         echo
 126         echo "Crossbar mapping:-"
 127         mpumap=`omapconf dump crossbar 2>/dev/null | grep $crossbar`
 128         echo $mpumap
 129         echo
 130         mpuirq=`echo $mpumap | cut -d ' ' -f2`
 131         srcirq=`echo $mpumap | cut -d ' ' -f6`
 132         gicirq=`printf "GIC %d" $(( $mpuirq + 32 ))`
 133         echo "Crossbar source $srcirq $crossbar mapped to MPU $gicirq"
 134         cat /proc/interrupts | grep "$gicirq"
 135         echo
 136         echo "Interrupt count:- `getIRQcnt`"
 137 }
 138
 139 testE()
 140 {
 141         printf "=> %50s" "$1"
 142         if [ $2 = $3 ]; then
 143                 echo -e "\t\tPASS"
 144         else
 145                 echo -e "\t\t\tFAIL"
 146         fi
 147 }
 148
 149 testNE()
 150 {
 151         printf "=> %50s" "$1"
 152         if [ $2 != $3 ]; then
 153                 echo -e "\t\tPASS"
 154         else
 155                 echo -e "\t\t\tFAIL"
 156         fi
 157 }
 158
 159 echo
 160 echo
 161 echo "=====================VIP diagnostic script==================="
 162 echo  "Basic tests to debug capture issues quickly"
 163 echo
 164
 165 #set -x
 166 port="vin1a"
 167 #Parse the cmd line args
 168 if [ $# -gt 0 ]; then
 169         port=$1
 170         shift
 171 fi
 172
 173 resolve_port
 174 resolve_board
 175
 176 testE "Check if the DE-SERIALIZER is accessible"        `i2cget -f -y $basebus $desAddr 0x0`    "0xc0"
 177 testE "Check if the SERIALIZER is connected"            `i2cget -f -y $basebus $desAddr 0x1c`   "0x03"
 178 testE "Check if the SERIALIZER is accessible"           `i2cget -f -y $i2cbus 0x58 0x0`         "0xb0"
 179 testE "Check if the CAMERA clock is present"            `i2cget -f -y $i2cbus 0x58 0x0c`        "0x15"
 180 testE "Check if the CAMERA is accessible"               `ovcam read $i2cbus 0x30 0x300b`        "0x35"
 181 testNE "Check if the parser is configured"              `parser_reg read 0x04`                  "00000000"
 182 testNE "Check if the port is detecting the frame size"  `parser_reg read 0x30`                  "00000000"
 183
 184 vpdma_dumpdesc
 185
 186 crossbar_dump
 187
 188 echo
 189 echo "=============================END============================="
 190 #TODO: Check pinmux registers, check gpio data
 191 #TODO: Check board muxes
 192 #TODO: Calculate FPS
 193 #TODO: Check if the sensor-cfg works for start/stop - connect/disconnect
 194 #TODO: Check low FPS capture
 195 #TODO: Check multi instance capture
 196
 197 echo "If all of these tests PASS and still there is a problem, go home :)"
 198 echo
 199 echo