diff options
Diffstat (limited to 'src/radeon_atombios.c')
| -rw-r--r-- | src/radeon_atombios.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/radeon_atombios.c b/src/radeon_atombios.c index b81d2cbd..12aeecae 100644 --- a/src/radeon_atombios.c +++ b/src/radeon_atombios.c @@ -1386,6 +1386,58 @@ const int object_connector_convert[] = CONNECTOR_DISPLAY_PORT, }; +xf86MonPtr radeon_atom_get_edid(xf86OutputPtr output) +{ + RADEONOutputPrivatePtr radeon_output = output->driver_private; + RADEONInfoPtr info = RADEONPTR(output->scrn); + READ_EDID_FROM_HW_I2C_DATA_PS_ALLOCATION edid_data; + AtomBiosArgRec data; + unsigned char *space; + int i2c_clock = 50; + int engine_clk = info->sclk * 100; + int prescale; + unsigned char *edid; + xf86MonPtr mon = NULL; + + if (!radeon_output->ddc_i2c.hw_capable) + return mon; + + if (info->atomBIOS->fbBase) + edid = (unsigned char *)info->FB + info->atomBIOS->fbBase; + else if (info->atomBIOS->scratchBase) + edid = (unsigned char *)info->atomBIOS->scratchBase; + else + return mon; + + memset(edid, 0, ATOM_EDID_RAW_DATASIZE); + + if (info->ChipFamily == CHIP_FAMILY_R520) + prescale = (127 << 8) + (engine_clk * 10) / (4 * 127 * i2c_clock); + else if (info->ChipFamily < CHIP_FAMILY_R600) + prescale = (((engine_clk * 10)/(4 * 128 * 100) + 1) << 8) + 128; + else + prescale = (info->pll.reference_freq * 10) / i2c_clock; + + edid_data.usPrescale = prescale; + edid_data.usVRAMAddress = 0; + edid_data.ucSlaveAddr = 0xa0; + edid_data.ucLineNumber = radeon_output->ddc_i2c.hw_line; + + data.exec.index = GetIndexIntoMasterTable(COMMAND, ReadEDIDFromHWAssistedI2C); + data.exec.dataSpace = (void *)&space; + data.exec.pspace = &edid_data; + + if (RHDAtomBiosFunc(info->atomBIOS->scrnIndex, info->atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) + ErrorF("Atom Get EDID success\n"); + else + ErrorF("Atom Get EDID failed\n"); + + if (edid[1] == 0xff) + mon = xf86InterpretEDID(output->scrn->scrnIndex, edid); + + return mon; + +} static RADEONI2CBusRec RADEONLookupGPIOLineForDDC(ScrnInfoPtr pScrn, uint8_t id) @@ -1425,9 +1477,15 @@ RADEONLookupGPIOLineForDDC(ScrnInfoPtr pScrn, uint8_t id) i2c.get_data_mask = (1 << gpio.ucDataY_Shift); i2c.a_clk_mask = (1 << gpio.ucClkA_Shift); i2c.a_data_mask = (1 << gpio.ucDataA_Shift); + i2c.hw_line = gpio.sucI2cId.sbfAccess.bfI2C_LineMux; + i2c.hw_capable = gpio.sucI2cId.sbfAccess.bfHW_Capable; i2c.valid = TRUE; #if 0 + ErrorF("id: %d\n", id); + ErrorF("hw capable: %d\n", gpio.sucI2cId.sbfAccess.bfHW_Capable); + ErrorF("hw engine id: %d\n", gpio.sucI2cId.sbfAccess.bfHW_EngineID); + ErrorF("line mux %d\n", gpio.sucI2cId.sbfAccess.bfI2C_LineMux); ErrorF("mask_clk_reg: 0x%x\n", gpio.usClkMaskRegisterIndex * 4); ErrorF("mask_data_reg: 0x%x\n", gpio.usDataMaskRegisterIndex * 4); ErrorF("put_clk_reg: 0x%x\n", gpio.usClkEnRegisterIndex * 4); |