104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
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/*
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* Copyright 2011 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: Ben Skeggs
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*/
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#include "drmP.h"
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#include "nouveau_drv.h"
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#include "nouveau_connector.h"
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#include "nouveau_encoder.h"
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static bool
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hdmi_sor(struct drm_encoder *encoder)
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{
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struct drm_nouveau_private *dev_priv = encoder->dev->dev_private;
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if (dev_priv->chipset < 0xa3)
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return false;
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return true;
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}
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static void
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nouveau_audio_disconnect(struct drm_encoder *encoder)
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{
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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struct drm_device *dev = encoder->dev;
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int or = nv_encoder->or * 0x800;
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if (hdmi_sor(encoder)) {
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nv_mask(dev, 0x61c448 + or, 0x00000003, 0x00000000);
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}
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}
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static void
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nouveau_audio_mode_set(struct drm_encoder *encoder,
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struct drm_display_mode *mode)
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{
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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struct nouveau_connector *nv_connector;
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struct drm_device *dev = encoder->dev;
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u32 or = nv_encoder->or * 0x800;
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int i;
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nv_connector = nouveau_encoder_connector_get(nv_encoder);
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if (!drm_detect_monitor_audio(nv_connector->edid)) {
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nouveau_audio_disconnect(encoder);
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return;
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}
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if (hdmi_sor(encoder)) {
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nv_mask(dev, 0x61c448 + or, 0x00000001, 0x00000001);
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drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
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if (nv_connector->base.eld[0]) {
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u8 *eld = nv_connector->base.eld;
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for (i = 0; i < eld[2] * 4; i++)
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nv_wr32(dev, 0x61c440 + or, (i << 8) | eld[i]);
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for (i = eld[2] * 4; i < 0x60; i++)
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nv_wr32(dev, 0x61c440 + or, (i << 8) | 0x00);
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nv_mask(dev, 0x61c448 + or, 0x00000002, 0x00000002);
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}
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}
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}
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static void
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nouveau_hdmi_disconnect(struct drm_encoder *encoder)
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{
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nouveau_audio_disconnect(encoder);
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}
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void
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nouveau_hdmi_mode_set(struct drm_encoder *encoder,
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struct drm_display_mode *mode)
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{
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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struct nouveau_connector *nv_connector;
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nv_connector = nouveau_encoder_connector_get(nv_encoder);
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if (!mode || !nv_connector || !nv_connector->edid ||
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!drm_detect_hdmi_monitor(nv_connector->edid)) {
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nouveau_hdmi_disconnect(encoder);
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return;
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}
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nouveau_audio_mode_set(encoder, mode);
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}
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