drm/nouveau/hdmi: build ELD from EDID, notify audio driver of its presence

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-10-05 11:05:07 +10:00
parent 35bb5089cc
commit 25575b414c
4 changed files with 111 additions and 1 deletions

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@ -9,7 +9,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \
nouveau_bo.o nouveau_fence.o nouveau_gem.o nouveau_ttm.o \
nouveau_hw.o nouveau_calc.o nouveau_bios.o nouveau_i2c.o \
nouveau_display.o nouveau_connector.o nouveau_fbcon.o \
nouveau_dp.o nouveau_ramht.o \
nouveau_hdmi.o nouveau_dp.o nouveau_ramht.o \
nouveau_pm.o nouveau_volt.o nouveau_perf.o nouveau_temp.o \
nouveau_mm.o nouveau_vm.o \
nv04_timer.o \

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@ -1109,6 +1109,9 @@ int nouveau_ttm_global_init(struct drm_nouveau_private *);
void nouveau_ttm_global_release(struct drm_nouveau_private *);
int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
/* nouveau_hdmi.c */
void nouveau_hdmi_mode_set(struct drm_encoder *, struct drm_display_mode *);
/* nouveau_dp.c */
int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
uint8_t *data, int data_nr);

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@ -0,0 +1,103 @@
/*
* Copyright 2011 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: Ben Skeggs
*/
#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_connector.h"
#include "nouveau_encoder.h"
static bool
hdmi_sor(struct drm_encoder *encoder)
{
struct drm_nouveau_private *dev_priv = encoder->dev->dev_private;
if (dev_priv->chipset < 0xa3)
return false;
return true;
}
static void
nouveau_audio_disconnect(struct drm_encoder *encoder)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct drm_device *dev = encoder->dev;
int or = nv_encoder->or * 0x800;
if (hdmi_sor(encoder)) {
nv_mask(dev, 0x61c448 + or, 0x00000003, 0x00000000);
}
}
static void
nouveau_audio_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_connector *nv_connector;
struct drm_device *dev = encoder->dev;
u32 or = nv_encoder->or * 0x800;
int i;
nv_connector = nouveau_encoder_connector_get(nv_encoder);
if (!drm_detect_monitor_audio(nv_connector->edid)) {
nouveau_audio_disconnect(encoder);
return;
}
if (hdmi_sor(encoder)) {
nv_mask(dev, 0x61c448 + or, 0x00000001, 0x00000001);
drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
if (nv_connector->base.eld[0]) {
u8 *eld = nv_connector->base.eld;
for (i = 0; i < eld[2] * 4; i++)
nv_wr32(dev, 0x61c440 + or, (i << 8) | eld[i]);
for (i = eld[2] * 4; i < 0x60; i++)
nv_wr32(dev, 0x61c440 + or, (i << 8) | 0x00);
nv_mask(dev, 0x61c448 + or, 0x00000002, 0x00000002);
}
}
}
static void
nouveau_hdmi_disconnect(struct drm_encoder *encoder)
{
nouveau_audio_disconnect(encoder);
}
void
nouveau_hdmi_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_connector *nv_connector;
nv_connector = nouveau_encoder_connector_get(nv_encoder);
if (!mode || !nv_connector || !nv_connector->edid ||
!drm_detect_hdmi_monitor(nv_connector->edid)) {
nouveau_hdmi_disconnect(encoder);
return;
}
nouveau_audio_mode_set(encoder, mode);
}

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@ -60,6 +60,8 @@ nv50_sor_disconnect(struct drm_encoder *encoder)
BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1);
OUT_RING (evo, 0);
nouveau_hdmi_mode_set(encoder, NULL);
nv_encoder->crtc = NULL;
nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
}
@ -203,6 +205,8 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
mode_ctl = 0x0500;
} else
mode_ctl = 0x0200;
nouveau_hdmi_mode_set(encoder, mode);
break;
case OUTPUT_DP:
nv_connector = nouveau_encoder_connector_get(nv_encoder);