--- /dev/null
+/*
+ * 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;
+}
+
+static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
+ struct drm_connector *connector)
+{
+ struct drm_device *dev = radeon_encoder->base.dev;
+ struct radeon_device *rdev = dev->dev_private;
+ bool use_bl = false;
+
+ if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)))
+ return;
+
+ if (radeon_backlight == 0) {
+ return;
+ } else if (radeon_backlight == 1) {
+ use_bl = true;
+ } else if (radeon_backlight == -1) {
+ /* Quirks */
+ /* Amilo Xi 2550 only works with acpi bl */
+ if ((rdev->pdev->device == 0x9583) &&
+ (rdev->pdev->subsystem_vendor == 0x1734) &&
+ (rdev->pdev->subsystem_device == 0x1107))
+ use_bl = false;
+/* Older PPC macs use on-GPU backlight controller */
+#ifndef CONFIG_PPC_PMAC
+ /* disable native backlight control on older asics */
+ else if (rdev->family < CHIP_R600)
+ use_bl = false;
+#endif
+ else
+ use_bl = true;
+ }
+
+ if (use_bl) {
+ 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_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);
+ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+ radeon_encoder_add_backlight(radeon_encoder, connector);
+ }
+ }
+ }
+}
+
+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->is_mst_encoder) {
+ struct radeon_encoder_mst *mst_enc;
+
+ if (!radeon_connector->is_mst_connector)
+ continue;
+
+ mst_enc = radeon_encoder->enc_priv;
+ if (mst_enc->connector == radeon_connector->mst_port)
+ return connector;
+ } else 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(connector))) {
+ 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:
+ if (radeon_connector->is_mst_connector)
+ return false;
+
+ 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(connector))) {
+ if (pixel_clock > 340000)
+ return true;
+ else
+ return false;
+ } else {
+ if (pixel_clock > 165000)
+ return true;
+ else
+ return false;
+ }
+ }
+ default:
+ return false;
+ }
+}
+
+bool radeon_encoder_is_digital(struct drm_encoder *encoder)
+{
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_LVDS:
+ case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
+ case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
+ case ENCODER_OBJECT_ID_INTERNAL_DVO1:
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
+ case ENCODER_OBJECT_ID_INTERNAL_DDI:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
+ return true;
+ default:
+ return false;
+ }
+}
Code Review / kvmfornfv.git / blobdiff