FT232H: Handle the EEPROM Bit for Enter Powerdsave on ACBUS7

[libftdi] / src / ftdi.c

diff --git a/src/ftdi.c b/src/ftdi.c
index e7902d4..ed2bbe0 100644 (file)
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -2658,6 +2658,34 @@ int ftdi_eeprom_build(struct ftdi_context *ftdi)
             fprintf(stderr,"FIXME: Build FT4232H specific EEPROM settings\n");
             break;
         case TYPE_232H:
+            output[0x00] = (eeprom->channel_a_type);
+            if ( eeprom->channel_a_driver == DRIVER_VCP)
+                output[0x00] |= DRIVER_VCPH;
+            else
+                output[0x00] &= ~DRIVER_VCPH;
+            if (eeprom->powersave)
+                output[0x01] |= POWER_SAVE_DISABLE_H;
+            else
+                output[0x01] &= ~POWER_SAVE_DISABLE_H;
+
+            if (eeprom->group0_drive > DRIVE_16MA)
+                output[0x0c] |= DRIVE_16MA;
+            else
+                output[0x0c] |= eeprom->group0_drive;
+            if (eeprom->group0_schmitt == IS_SCHMITT)
+                output[0x0c] |= IS_SCHMITT;
+            if (eeprom->group0_slew == SLOW_SLEW)
+                output[0x0c] |= SLOW_SLEW;
+
+            if (eeprom->group1_drive > DRIVE_16MA)
+                output[0x0d] |= DRIVE_16MA;
+            else
+                output[0x0d] |= eeprom->group1_drive;
+            if (eeprom->group1_schmitt == IS_SCHMITT)
+                output[0x0d] |= IS_SCHMITT;
+            if (eeprom->group1_slew == SLOW_SLEW)
+                output[0x0d] |= SLOW_SLEW;
+
             output[0x1e] = eeprom->chip;
             fprintf(stderr,"FIXME: Build FT232H specific EEPROM settings\n");
             break;
@@ -2899,13 +2927,23 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose)
     }
     else if (ftdi->type == TYPE_232H)
     {
+        eeprom->channel_a_type   = buf[0x00] & 0xf;
+        eeprom->channel_a_driver = (buf[0x00] & DRIVER_VCPH)?DRIVER_VCP:0;
+        eeprom->powersave      =  buf[0x01]       & POWER_SAVE_DISABLE_H;
+        eeprom->group0_drive   =  buf[0x0c]       & DRIVE_16MA;
+        eeprom->group0_schmitt =  buf[0x0c]       & IS_SCHMITT;
+        eeprom->group0_slew    =  buf[0x0c]       & SLOW_SLEW;
+        eeprom->group1_drive   =  buf[0x0d]       & DRIVE_16MA;
+        eeprom->group1_schmitt =  buf[0x0d]       & IS_SCHMITT;
+        eeprom->group1_slew    =  buf[0x0d]       & SLOW_SLEW;
+
         eeprom->chip = buf[0x1e];
         /*FIXME: Decipher more values*/
     }
 
     if (verbose)
     {
-        char *channel_mode[] = {"UART","245","CPU", "unknown", "OPTO"/*, "FT1284"*/};
+        char *channel_mode[] = {"UART","245","CPU", "unknown", "OPTO", "unknown1","unknown2","unknown3","FT1284"};
         fprintf(stdout, "VID:     0x%04x\n",eeprom->vendor_id);
         fprintf(stdout, "PID:     0x%04x\n",eeprom->product_id);
         fprintf(stdout, "Release: 0x%04x\n",release);
@@ -2930,6 +2968,11 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose)
             fprintf(stdout, "Suspend on DBUS7\n");
         if (eeprom->suspend_pull_downs)
             fprintf(stdout, "Pull IO pins low during suspend\n");
+        if(eeprom->powersave)
+        {
+            if(ftdi->type >= TYPE_232H)
+                fprintf(stdout,"Enter low power state on ACBUS7\n");
+        } 
         if (eeprom->remote_wakeup)
             fprintf(stdout, "Enable Remote Wake Up\n");
         fprintf(stdout, "PNP: %d\n",(eeprom->is_not_pnp)?0:1);
@@ -2970,6 +3013,18 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose)
                     (eeprom->group3_schmitt)?" Schmitt Input":"",
                     (eeprom->group3_slew)?" Slow Slew":"");
         }
+        else if (ftdi->type == TYPE_232H)
+        {
+            fprintf(stdout,"ACBUS has %d mA drive%s%s\n",
+                    (eeprom->group0_drive+1) *4,
+                    (eeprom->group0_schmitt)?" Schmitt Input":"",
+                    (eeprom->group0_slew)?" Slow Slew":"");
+            fprintf(stdout,"ADBUS has %d mA drive%s%s\n",
+                    (eeprom->group1_drive+1) *4,
+                    (eeprom->group1_schmitt)?" Schmitt Input":"",
+                    (eeprom->group1_slew)?" Slow Slew":"");
+        }
+
         if (ftdi->type == TYPE_R)
         {
             char *cbus_mux[] = {"TXDEN","PWREN","RXLED", "TXLED","TX+RXLED",
@@ -3130,6 +3185,9 @@ int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value valu
         case GROUP3_SLEW:
             *value = ftdi->eeprom->group3_slew;
             break;
+         case POWER_SAVE:
+            *value = ftdi->eeprom->powersave;
+            break;
         case CHIP_TYPE:
             *value = ftdi->eeprom->chip;
             break;
@@ -3269,6 +3327,9 @@ int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value valu
         case CHIP_TYPE:
             ftdi->eeprom->chip = value;
             break;
+         case POWER_SAVE:
+            ftdi->eeprom->powersave = value;
+            break;
         case CHIP_SIZE:
             ftdi_error_return(-2, "EEPROM Value can't be changed");
         default :