diff options
Diffstat (limited to 'src/radeon_atombios.c')
| -rw-r--r-- | src/radeon_atombios.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/radeon_atombios.c b/src/radeon_atombios.c index d6c58bc3..7bf98153 100644 --- a/src/radeon_atombios.c +++ b/src/radeon_atombios.c @@ -1590,6 +1590,69 @@ rhdAtomParseI2CRecord(ScrnInfoPtr pScrn, atomBiosHandlePtr handle, return RADEONLookupGPIOLineForDDC(pScrn, Record->sucI2cId.bfI2C_LineMux); } +static uint8_t +radeon_lookup_hpd_id(ScrnInfoPtr pScrn, ATOM_HPD_INT_RECORD *record) +{ + RADEONInfoPtr info = RADEONPTR (pScrn); + unsigned short size; + uint8_t hpd = 0; + int i, num_indices; + struct _ATOM_GPIO_PIN_LUT *gpio_info; + ATOM_GPIO_PIN_ASSIGNMENT *pin; + atomDataTablesPtr atomDataPtr; + uint8_t crev, frev; + uint32_t reg; + + atomDataPtr = info->atomBIOS->atomDataPtr; + + if (!rhdAtomGetTableRevisionAndSize( + &(atomDataPtr->GPIO_Pin_LUT->sHeader), + &crev,&frev,&size)) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "No GPIO Pin Table found!\n"); + return hpd; + } + + num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / sizeof(ATOM_GPIO_PIN_ASSIGNMENT); + + if (IS_DCE4_VARIANT) + reg = EVERGREEN_DC_GPIO_HPD_A; + else + reg = AVIVO_DC_GPIO_HPD_A; + + gpio_info = atomDataPtr->GPIO_Pin_LUT; + for (i = 0; i < num_indices; i++) { + pin = &gpio_info->asGPIO_Pin[i]; + if (record->ucHPDIntGPIOID == pin->ucGPIO_ID) { + if ((pin->usGpioPin_AIndex * 4) == reg) { + switch (pin->ucGpioPinBitShift) { + case 0: + default: + hpd = 0; + break; + case 8: + hpd = 1; + break; + case 16: + hpd = 2; + break; + case 24: + hpd = 3; + break; + case 26: + hpd = 4; + break; + case 28: + hpd = 5; + break; + } + break; + } + } + } + + return hpd; +} + static void RADEONApplyATOMQuirks(ScrnInfoPtr pScrn, int index) { RADEONInfoPtr info = RADEONPTR (pScrn); @@ -1935,6 +1998,9 @@ RADEONGetATOMConnectorInfoFromBIOSObject (ScrnInfoPtr pScrn) (ATOM_I2C_RECORD *)Record, j); break; case ATOM_HPD_INT_RECORD_TYPE: + info->BiosConnector[i].hpd_id = + radeon_lookup_hpd_id(pScrn, + (ATOM_HPD_INT_RECORD *)Record); break; case ATOM_CONNECTOR_DEVICE_TAG_RECORD_TYPE: break; |