diff options
Diffstat (limited to 'linux-core/radeon_atombios.c')
| -rw-r--r-- | linux-core/radeon_atombios.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/linux-core/radeon_atombios.c b/linux-core/radeon_atombios.c index a763e766..61732274 100644 --- a/linux-core/radeon_atombios.c +++ b/linux-core/radeon_atombios.c @@ -72,11 +72,66 @@ static inline struct radeon_i2c_bus_rec radeon_lookup_gpio(struct drm_device *de 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; return i2c; } +#if 0 +// TODO fix atom FB/scratch space access +struct edid *radeon_atom_get_edid(struct drm_connector *connector) +{ + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct drm_radeon_private *dev_priv = radeon_connector->base.dev->dev_private; + struct radeon_mode_info *mode_info = &dev_priv->mode_info; + READ_EDID_FROM_HW_I2C_DATA_PS_ALLOCATION edid_param; + int i2c_clock = 50; + int prescale; + unsigned char *raw_edid; + struct edid *edid = NULL; + int index = GetIndexIntoMasterTable(COMMAND, ReadEDIDFromHWAssistedI2C); + + if (!radeon_connector->ddc_bus) + return edid; + + if (!radeon_connector->ddc_bus->rec.hw_capable) + return edid; + + if (info->atomBIOS->fbBase) + raw_edid = (unsigned char *)info->FB + info->atomBIOS->fbBase; + else if (info->atomBIOS->scratchBase) + raw_edid = (unsigned char *)info->atomBIOS->scratchBase; + else + return edid; + + memset(raw_edid, 0, ATOM_EDID_RAW_DATASIZE); + + if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R520) + prescale = (127 << 8) + (mode_info->sclk * 10) / (4 * 127 * i2c_clock); + else if ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_R600) + prescale = (((mode_info->sclk * 10)/(4 * 128 * 100) + 1) << 8) + 128; + else + prescale = (mode_info->spll.reference_freq * 10) / i2c_clock; + + edid_param.usPrescale = prescale; + edid_param.usVRAMAddress = 0; + edid_param.ucSlaveAddr = 0xa0; + edid_param.ucLineNumber = radeon_connector->ddc_bus->rec.hw_line; + + atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&edid_param); + + if (raw_edid[1] == 0xff) { + edid = kmalloc(size_of(struct edid), GFP_KERNEL); + *edid = raw_edid; + } + + return edid; + +} +#endif + static struct radeon_i2c_bus_rec radeon_parse_i2c_record(struct drm_device *dev, ATOM_I2C_RECORD *record) { return radeon_lookup_gpio(dev, record->sucI2cId.bfI2C_LineMux); @@ -591,6 +646,8 @@ void radeon_atombios_get_lvds_info(struct radeon_encoder *encoder) encoder->voverplus = le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset); encoder->vsync_width = le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth); encoder->panel_pwr_delay = le16_to_cpu(lvds_info->info.usOffDelayInMs); + encoder->lvds_misc = lvds_info->info.ucLVDS_Misc; + encoder->lvds_ss_id = lvds_info->info.ucSS_Id; } } |