From 5081ce12217d31d8d197e66ac3bc71adc650d463 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Thu, 18 Sep 2008 10:15:43 +1000 Subject: radeon: sort out atom vs combios tables for r400 cards --- linux-core/radeon_atombios.c | 38 +++++++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-) (limited to 'linux-core/radeon_atombios.c') diff --git a/linux-core/radeon_atombios.c b/linux-core/radeon_atombios.c index 10e3a77d..4d98cba2 100644 --- a/linux-core/radeon_atombios.c +++ b/linux-core/radeon_atombios.c @@ -305,12 +305,48 @@ bool radeon_atom_get_clock_info(struct drm_device *dev) return true; } + +void radeon_atombios_get_tmds_info(struct radeon_encoder *encoder) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_radeon_private *dev_priv = dev->dev_private; + struct radeon_mode_info *mode_info = &dev_priv->mode_info; + int index = GetIndexIntoMasterTable(DATA, TMDS_Info); + uint16_t data_offset; + struct _ATOM_TMDS_INFO *tmds_info; + uint8_t frev, crev; + uint16_t maxfreq; + int i; + + atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset); + + tmds_info = (struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios + data_offset); + + maxfreq = le16_to_cpu(tmds_info->usMaxFrequency); + for (i = 0; i < 4; i++) { + encoder->tmds_pll[i].freq = le16_to_cpu(tmds_info->asMiscInfo[i].usFrequency); + encoder->tmds_pll[i].value = tmds_info->asMiscInfo[i].ucPLL_ChargePump & 0x3f; + encoder->tmds_pll[i].value |= (tmds_info->asMiscInfo[i].ucPLL_VCO_Gain & 0x3f << 6); + encoder->tmds_pll[i].value |= (tmds_info->asMiscInfo[i].ucPLL_DutyCycle & 0xf << 12); + encoder->tmds_pll[i].value |= (tmds_info->asMiscInfo[i].ucPLL_VoltageSwing & 0xf << 16); + + DRM_DEBUG("TMDS PLL From BIOS %u %x\n", + encoder->tmds_pll[i].freq, + encoder->tmds_pll[i].value); + + if (maxfreq == encoder->tmds_pll[i].freq) { + encoder->tmds_pll[i].freq = 0xffffffff; + break; + } + } +} + union lvds_info { struct _ATOM_LVDS_INFO info; struct _ATOM_LVDS_INFO_V12 info_12; }; -void radeon_get_lvds_info(struct radeon_encoder *encoder) +void radeon_atombios_get_lvds_info(struct radeon_encoder *encoder) { struct drm_device *dev = encoder->base.dev; struct drm_radeon_private *dev_priv = dev->dev_private; -- cgit v1.2.3