diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_encoders.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_encoders.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c new file mode 100644 index 0000000..bd4959c --- /dev/null +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -0,0 +1,384 @@ +/* + * Copyright 2007-8 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Dave Airlie + * Alex Deucher + */ +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/radeon_drm.h> +#include "radeon.h" +#include "atom.h" + +extern void +radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, + struct drm_connector *drm_connector); +extern void +radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, + struct drm_connector *drm_connector); + + +static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_encoder *clone_encoder; + uint32_t index_mask = 0; + int count; + + /* DIG routing gets problematic */ + if (rdev->family >= CHIP_R600) + return index_mask; + /* LVDS/TV are too wacky */ + if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) + return index_mask; + /* DVO requires 2x ppll clocks depending on tmds chip */ + if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) + return index_mask; + + count = -1; + list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { + struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); + count++; + + if (clone_encoder == encoder) + continue; + if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) + continue; + if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) + continue; + else + index_mask |= (1 << count); + } + return index_mask; +} + +void radeon_setup_encoder_clones(struct drm_device *dev) +{ + struct drm_encoder *encoder; + + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + encoder->possible_clones = radeon_encoder_clones(encoder); + } +} + +uint32_t +radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) +{ + struct radeon_device *rdev = dev->dev_private; + uint32_t ret = 0; + + switch (supported_device) { + case ATOM_DEVICE_CRT1_SUPPORT: + case ATOM_DEVICE_TV1_SUPPORT: + case ATOM_DEVICE_TV2_SUPPORT: + case ATOM_DEVICE_CRT2_SUPPORT: + case ATOM_DEVICE_CV_SUPPORT: + switch (dac) { + case 1: /* dac a */ + if ((rdev->family == CHIP_RS300) || + (rdev->family == CHIP_RS400) || + (rdev->family == CHIP_RS480)) + ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; + else if (ASIC_IS_AVIVO(rdev)) + ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; + else + ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; + break; + case 2: /* dac b */ + if (ASIC_IS_AVIVO(rdev)) + ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; + else { + /*if (rdev->family == CHIP_R200) + ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; + else*/ + ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; + } + break; + case 3: /* external dac */ + if (ASIC_IS_AVIVO(rdev)) + ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; + else + ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; + break; + } + break; + case ATOM_DEVICE_LCD1_SUPPORT: + if (ASIC_IS_AVIVO(rdev)) + ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; + else + ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; + break; + case ATOM_DEVICE_DFP1_SUPPORT: + if ((rdev->family == CHIP_RS300) || + (rdev->family == CHIP_RS400) || + (rdev->family == CHIP_RS480)) + ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; + else if (ASIC_IS_AVIVO(rdev)) + ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; + else + ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; + break; + case ATOM_DEVICE_LCD2_SUPPORT: + case ATOM_DEVICE_DFP2_SUPPORT: + if ((rdev->family == CHIP_RS600) || + (rdev->family == CHIP_RS690) || + (rdev->family == CHIP_RS740)) + ret = ENCODER_INTERNAL_DDI_ENUM_ID1; + else if (ASIC_IS_AVIVO(rdev)) + ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; + else + ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; + break; + case ATOM_DEVICE_DFP3_SUPPORT: + ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; + break; + } + + return ret; +} + +void +radeon_link_encoder_connector(struct drm_device *dev) +{ + struct radeon_device *rdev = dev->dev_private; + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + struct drm_encoder *encoder; + struct radeon_encoder *radeon_encoder; + + /* walk the list and link encoders to connectors */ + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + radeon_connector = to_radeon_connector(connector); + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + radeon_encoder = to_radeon_encoder(encoder); + if (radeon_encoder->devices & radeon_connector->devices) { + drm_mode_connector_attach_encoder(connector, encoder); + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + if (rdev->is_atom_bios) + radeon_atom_backlight_init(radeon_encoder, connector); + else + radeon_legacy_backlight_init(radeon_encoder, connector); + rdev->mode_info.bl_encoder = radeon_encoder; + } + } + } + } +} + +void radeon_encoder_set_active_device(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_connector *connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + if (connector->encoder == encoder) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; + DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", + radeon_encoder->active_device, radeon_encoder->devices, + radeon_connector->devices, encoder->encoder_type); + } + } +} + +struct drm_connector * +radeon_get_connector_for_encoder(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + radeon_connector = to_radeon_connector(connector); + if (radeon_encoder->active_device & radeon_connector->devices) + return connector; + } + return NULL; +} + +struct drm_connector * +radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + radeon_connector = to_radeon_connector(connector); + if (radeon_encoder->devices & radeon_connector->devices) + return connector; + } + return NULL; +} + +struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_encoder *other_encoder; + struct radeon_encoder *other_radeon_encoder; + + if (radeon_encoder->is_ext_encoder) + return NULL; + + list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { + if (other_encoder == encoder) + continue; + other_radeon_encoder = to_radeon_encoder(other_encoder); + if (other_radeon_encoder->is_ext_encoder && + (radeon_encoder->devices & other_radeon_encoder->devices)) + return other_encoder; + } + return NULL; +} + +u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) +{ + struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); + + if (other_encoder) { + struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); + + switch (radeon_encoder->encoder_id) { + case ENCODER_OBJECT_ID_TRAVIS: + case ENCODER_OBJECT_ID_NUTMEG: + return radeon_encoder->encoder_id; + default: + return ENCODER_OBJECT_ID_NONE; + } + } + return ENCODER_OBJECT_ID_NONE; +} + +void radeon_panel_mode_fixup(struct drm_encoder *encoder, + struct drm_display_mode *adjusted_mode) +{ + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + struct drm_display_mode *native_mode = &radeon_encoder->native_mode; + unsigned hblank = native_mode->htotal - native_mode->hdisplay; + unsigned vblank = native_mode->vtotal - native_mode->vdisplay; + unsigned hover = native_mode->hsync_start - native_mode->hdisplay; + unsigned vover = native_mode->vsync_start - native_mode->vdisplay; + unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; + unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; + + adjusted_mode->clock = native_mode->clock; + adjusted_mode->flags = native_mode->flags; + + if (ASIC_IS_AVIVO(rdev)) { + adjusted_mode->hdisplay = native_mode->hdisplay; + adjusted_mode->vdisplay = native_mode->vdisplay; + } + + adjusted_mode->htotal = native_mode->hdisplay + hblank; + adjusted_mode->hsync_start = native_mode->hdisplay + hover; + adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; + + adjusted_mode->vtotal = native_mode->vdisplay + vblank; + adjusted_mode->vsync_start = native_mode->vdisplay + vover; + adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; + + drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); + + if (ASIC_IS_AVIVO(rdev)) { + adjusted_mode->crtc_hdisplay = native_mode->hdisplay; + adjusted_mode->crtc_vdisplay = native_mode->vdisplay; + } + + adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; + adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; + adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; + + adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; + adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; + adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; + +} + +bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, + u32 pixel_clock) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + struct radeon_connector_atom_dig *dig_connector; + + connector = radeon_get_connector_for_encoder(encoder); + /* if we don't have an active device yet, just use one of + * the connectors tied to the encoder. + */ + if (!connector) + connector = radeon_get_connector_for_encoder_init(encoder); + radeon_connector = to_radeon_connector(connector); + + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_DVII: + case DRM_MODE_CONNECTOR_HDMIB: + if (radeon_connector->use_digital) { + /* HDMI 1.3 supports up to 340 Mhz over single link */ + if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + if (pixel_clock > 340000) + return true; + else + return false; + } else { + if (pixel_clock > 165000) + return true; + else + return false; + } + } else + return false; + case DRM_MODE_CONNECTOR_DVID: + case DRM_MODE_CONNECTOR_HDMIA: + case DRM_MODE_CONNECTOR_DisplayPort: + dig_connector = radeon_connector->con_priv; + if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || + (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) + return false; + else { + /* HDMI 1.3 supports up to 340 Mhz over single link */ + if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + if (pixel_clock > 340000) + return true; + else + return false; + } else { + if (pixel_clock > 165000) + return true; + else + return false; + } + } + default: + return false; + } +} + |