mirror of https://gitee.com/openkylin/linux.git
291 lines
9.5 KiB
C
291 lines
9.5 KiB
C
/*
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* Copyright 2007-8 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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*/
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#include "drmP.h"
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#include "drm_crtc_helper.h"
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#include "radeon_drm.h"
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#include "radeon.h"
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#include "atom.h"
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static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
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{
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struct drm_device *dev = encoder->dev;
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struct radeon_device *rdev = dev->dev_private;
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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struct drm_encoder *clone_encoder;
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uint32_t index_mask = 0;
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int count;
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/* DIG routing gets problematic */
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if (rdev->family >= CHIP_R600)
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return index_mask;
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/* LVDS/TV are too wacky */
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if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
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return index_mask;
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/* DVO requires 2x ppll clocks depending on tmds chip */
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if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT)
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return index_mask;
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count = -1;
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list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) {
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struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder);
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count++;
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if (clone_encoder == encoder)
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continue;
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if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT))
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continue;
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if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT)
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continue;
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else
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index_mask |= (1 << count);
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}
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return index_mask;
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}
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void radeon_setup_encoder_clones(struct drm_device *dev)
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{
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struct drm_encoder *encoder;
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
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encoder->possible_clones = radeon_encoder_clones(encoder);
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}
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}
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uint32_t
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radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac)
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{
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struct radeon_device *rdev = dev->dev_private;
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uint32_t ret = 0;
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switch (supported_device) {
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case ATOM_DEVICE_CRT1_SUPPORT:
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case ATOM_DEVICE_TV1_SUPPORT:
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case ATOM_DEVICE_TV2_SUPPORT:
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case ATOM_DEVICE_CRT2_SUPPORT:
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case ATOM_DEVICE_CV_SUPPORT:
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switch (dac) {
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case 1: /* dac a */
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if ((rdev->family == CHIP_RS300) ||
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(rdev->family == CHIP_RS400) ||
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(rdev->family == CHIP_RS480))
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ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
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else if (ASIC_IS_AVIVO(rdev))
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ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1;
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else
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ret = ENCODER_INTERNAL_DAC1_ENUM_ID1;
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break;
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case 2: /* dac b */
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if (ASIC_IS_AVIVO(rdev))
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ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1;
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else {
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/*if (rdev->family == CHIP_R200)
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ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
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else*/
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ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
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}
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break;
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case 3: /* external dac */
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if (ASIC_IS_AVIVO(rdev))
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ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
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else
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ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
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break;
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}
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break;
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case ATOM_DEVICE_LCD1_SUPPORT:
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if (ASIC_IS_AVIVO(rdev))
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ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
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else
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ret = ENCODER_INTERNAL_LVDS_ENUM_ID1;
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break;
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case ATOM_DEVICE_DFP1_SUPPORT:
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if ((rdev->family == CHIP_RS300) ||
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(rdev->family == CHIP_RS400) ||
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(rdev->family == CHIP_RS480))
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ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
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else if (ASIC_IS_AVIVO(rdev))
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ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1;
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else
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ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1;
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break;
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case ATOM_DEVICE_LCD2_SUPPORT:
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case ATOM_DEVICE_DFP2_SUPPORT:
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if ((rdev->family == CHIP_RS600) ||
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(rdev->family == CHIP_RS690) ||
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(rdev->family == CHIP_RS740))
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ret = ENCODER_INTERNAL_DDI_ENUM_ID1;
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else if (ASIC_IS_AVIVO(rdev))
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ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
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else
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ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
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break;
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case ATOM_DEVICE_DFP3_SUPPORT:
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ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
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break;
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}
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return ret;
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}
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void
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radeon_link_encoder_connector(struct drm_device *dev)
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{
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struct drm_connector *connector;
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struct radeon_connector *radeon_connector;
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struct drm_encoder *encoder;
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struct radeon_encoder *radeon_encoder;
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/* walk the list and link encoders to connectors */
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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radeon_connector = to_radeon_connector(connector);
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
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radeon_encoder = to_radeon_encoder(encoder);
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if (radeon_encoder->devices & radeon_connector->devices)
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drm_mode_connector_attach_encoder(connector, encoder);
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}
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}
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}
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void radeon_encoder_set_active_device(struct drm_encoder *encoder)
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{
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struct drm_device *dev = encoder->dev;
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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struct drm_connector *connector;
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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if (connector->encoder == encoder) {
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struct radeon_connector *radeon_connector = to_radeon_connector(connector);
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radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices;
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DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
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radeon_encoder->active_device, radeon_encoder->devices,
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radeon_connector->devices, encoder->encoder_type);
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}
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}
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}
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struct drm_connector *
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radeon_get_connector_for_encoder(struct drm_encoder *encoder)
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{
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struct drm_device *dev = encoder->dev;
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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struct drm_connector *connector;
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struct radeon_connector *radeon_connector;
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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radeon_connector = to_radeon_connector(connector);
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if (radeon_encoder->active_device & radeon_connector->devices)
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return connector;
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}
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return NULL;
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}
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struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder)
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{
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struct drm_device *dev = encoder->dev;
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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struct drm_encoder *other_encoder;
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struct radeon_encoder *other_radeon_encoder;
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if (radeon_encoder->is_ext_encoder)
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return NULL;
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list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
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if (other_encoder == encoder)
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continue;
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other_radeon_encoder = to_radeon_encoder(other_encoder);
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if (other_radeon_encoder->is_ext_encoder &&
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(radeon_encoder->devices & other_radeon_encoder->devices))
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return other_encoder;
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}
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return NULL;
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}
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u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
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{
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struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder);
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if (other_encoder) {
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder);
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switch (radeon_encoder->encoder_id) {
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case ENCODER_OBJECT_ID_TRAVIS:
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case ENCODER_OBJECT_ID_NUTMEG:
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return radeon_encoder->encoder_id;
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default:
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return ENCODER_OBJECT_ID_NONE;
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}
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}
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return ENCODER_OBJECT_ID_NONE;
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}
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void radeon_panel_mode_fixup(struct drm_encoder *encoder,
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struct drm_display_mode *adjusted_mode)
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{
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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struct drm_device *dev = encoder->dev;
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struct radeon_device *rdev = dev->dev_private;
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struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
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unsigned hblank = native_mode->htotal - native_mode->hdisplay;
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unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
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unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
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unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
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unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
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unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
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adjusted_mode->clock = native_mode->clock;
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adjusted_mode->flags = native_mode->flags;
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if (ASIC_IS_AVIVO(rdev)) {
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adjusted_mode->hdisplay = native_mode->hdisplay;
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adjusted_mode->vdisplay = native_mode->vdisplay;
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}
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adjusted_mode->htotal = native_mode->hdisplay + hblank;
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adjusted_mode->hsync_start = native_mode->hdisplay + hover;
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adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;
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adjusted_mode->vtotal = native_mode->vdisplay + vblank;
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adjusted_mode->vsync_start = native_mode->vdisplay + vover;
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adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;
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drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
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if (ASIC_IS_AVIVO(rdev)) {
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adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
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adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
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}
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adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
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adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
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adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;
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adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
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adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
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adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;
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}
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