Aren
/
haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

* find GPIO pin connector i2c is on for DDC / EDID 

* add i2c_bus to connector information


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42708 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Alexander von Gluck IV 2011-09-02 17:47:14 +00:00
parent f78f38a51c
commit a88394e56e
2 changed files with 52 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/add-ons/accelerants/radeon_hd/accelerant.h
View File

@ -144,6 +144,7 @@ typedef struct {
uint16 connector_flags; uint16 connector_flags;
uint32 connector_type; uint32 connector_type;
uint16 connector_object_id; uint16 connector_object_id;
i2c_bus connector_i2c;
uint32 encoder_type; uint32 encoder_type;
uint16 encoder_object_id; uint16 encoder_object_id;
// TODO struct radeon_i2c_bus_rec ddc_bus; // TODO struct radeon_i2c_bus_rec ddc_bus;

52
src/add-ons/accelerants/radeon_hd/display.cpp
View File

@ -537,7 +537,57 @@ detect_connectors()
} }
} }
// TODO : look up gpio for ddc, hpd // Set up information buses such as ddc
if ((connector_flags
& (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
if (B_LENDIAN_TO_HOST_INT16(path->usConnObjectId)
== B_LENDIAN_TO_HOST_INT16(
con_obj->asObjects[j].usObjectID)) {
ATOM_COMMON_RECORD_HEADER *record
= (ATOM_COMMON_RECORD_HEADER*)(gAtomContext->bios
+ data_offset + B_LENDIAN_TO_HOST_INT16(
con_obj->asObjects[j].usRecordOffset));
while (record->ucRecordSize > 0
&& record->ucRecordType > 0
&& record->ucRecordType
<= ATOM_MAX_OBJECT_RECORD_NUMBER) {
ATOM_I2C_RECORD *i2c_record;
ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
//ATOM_HPD_INT_RECORD *hpd_record;
switch (record->ucRecordType) {
case ATOM_I2C_RECORD_TYPE:
i2c_record
= (ATOM_I2C_RECORD *)record;
i2c_config
= (ATOM_I2C_ID_CONFIG_ACCESS *)
&i2c_record->sucI2cId;
// i2c_config->ucAccess is gpio_id
// ddc_bus = radeon_lookup_i2c_gpio(rdev,
// i2c_config->ucAccess);
TRACE("Found i2c record: GPIO: 0x%"
B_PRIx32 "\n", i2c_config->ucAccess);
// ddc2_init_timing(
// &gConnector[connector_index]->connector_i2c);
break;
case ATOM_HPD_INT_RECORD_TYPE:
// TODO : HPD (Hot Plug)
break;
}
// move to next record
record = (ATOM_COMMON_RECORD_HEADER *)
((char *)record + record->ucRecordSize);
}
}
}
}
// TODO : aux chan transactions // TODO : aux chan transactions