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/*
* 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 "drmP.h"
#include "drm_crtc_helper.h"
#include "radeon_drm.h"
#include "radeon.h"
#include "atom.h"
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 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);
}
}
}
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_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 true;
default:
return false;
}
}
return false;
}
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;
}
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