7ae494e80c
Fixes a case where we don't get separate supervisor interrupt sequences for disconnect and modeset events. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
314 lines
8.9 KiB
C
314 lines
8.9 KiB
C
/*
|
|
* Copyright (C) 2008 Maarten Maathuis.
|
|
* All Rights Reserved.
|
|
*
|
|
* 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 (including the
|
|
* next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
|
|
*
|
|
*/
|
|
|
|
#include "drmP.h"
|
|
#include "drm_crtc_helper.h"
|
|
|
|
#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO)
|
|
#include "nouveau_reg.h"
|
|
#include "nouveau_drv.h"
|
|
#include "nouveau_dma.h"
|
|
#include "nouveau_encoder.h"
|
|
#include "nouveau_connector.h"
|
|
#include "nouveau_crtc.h"
|
|
#include "nv50_display.h"
|
|
|
|
static void
|
|
nv50_dac_disconnect(struct drm_encoder *encoder)
|
|
{
|
|
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
|
|
struct drm_device *dev = encoder->dev;
|
|
struct nouveau_channel *evo = nv50_display(dev)->master;
|
|
int ret;
|
|
|
|
if (!nv_encoder->crtc)
|
|
return;
|
|
nv50_crtc_blank(nouveau_crtc(nv_encoder->crtc), true);
|
|
|
|
NV_DEBUG_KMS(dev, "Disconnecting DAC %d\n", nv_encoder->or);
|
|
|
|
ret = RING_SPACE(evo, 4);
|
|
if (ret) {
|
|
NV_ERROR(dev, "no space while disconnecting DAC\n");
|
|
return;
|
|
}
|
|
BEGIN_RING(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 1);
|
|
OUT_RING (evo, 0);
|
|
BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1);
|
|
OUT_RING (evo, 0);
|
|
|
|
nv_encoder->crtc = NULL;
|
|
}
|
|
|
|
static enum drm_connector_status
|
|
nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
|
|
{
|
|
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
|
|
struct drm_device *dev = encoder->dev;
|
|
struct drm_nouveau_private *dev_priv = dev->dev_private;
|
|
enum drm_connector_status status = connector_status_disconnected;
|
|
uint32_t dpms_state, load_pattern, load_state;
|
|
int or = nv_encoder->or;
|
|
|
|
nv_wr32(dev, NV50_PDISPLAY_DAC_CLK_CTRL1(or), 0x00000001);
|
|
dpms_state = nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or));
|
|
|
|
nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
|
|
0x00150000 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
|
|
if (!nv_wait(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
|
|
NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) {
|
|
NV_ERROR(dev, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
|
|
NV_ERROR(dev, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
|
|
nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or)));
|
|
return status;
|
|
}
|
|
|
|
/* Use bios provided value if possible. */
|
|
if (dev_priv->vbios.dactestval) {
|
|
load_pattern = dev_priv->vbios.dactestval;
|
|
NV_DEBUG_KMS(dev, "Using bios provided load_pattern of %d\n",
|
|
load_pattern);
|
|
} else {
|
|
load_pattern = 340;
|
|
NV_DEBUG_KMS(dev, "Using default load_pattern of %d\n",
|
|
load_pattern);
|
|
}
|
|
|
|
nv_wr32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or),
|
|
NV50_PDISPLAY_DAC_LOAD_CTRL_ACTIVE | load_pattern);
|
|
mdelay(45); /* give it some time to process */
|
|
load_state = nv_rd32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or));
|
|
|
|
nv_wr32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or), 0);
|
|
nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or), dpms_state |
|
|
NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
|
|
|
|
if ((load_state & NV50_PDISPLAY_DAC_LOAD_CTRL_PRESENT) ==
|
|
NV50_PDISPLAY_DAC_LOAD_CTRL_PRESENT)
|
|
status = connector_status_connected;
|
|
|
|
if (status == connector_status_connected)
|
|
NV_DEBUG_KMS(dev, "Load was detected on output with or %d\n", or);
|
|
else
|
|
NV_DEBUG_KMS(dev, "Load was not detected on output with or %d\n", or);
|
|
|
|
return status;
|
|
}
|
|
|
|
static void
|
|
nv50_dac_dpms(struct drm_encoder *encoder, int mode)
|
|
{
|
|
struct drm_device *dev = encoder->dev;
|
|
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
|
|
uint32_t val;
|
|
int or = nv_encoder->or;
|
|
|
|
NV_DEBUG_KMS(dev, "or %d mode %d\n", or, mode);
|
|
|
|
/* wait for it to be done */
|
|
if (!nv_wait(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
|
|
NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) {
|
|
NV_ERROR(dev, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
|
|
NV_ERROR(dev, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
|
|
nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or)));
|
|
return;
|
|
}
|
|
|
|
val = nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or)) & ~0x7F;
|
|
|
|
if (mode != DRM_MODE_DPMS_ON)
|
|
val |= NV50_PDISPLAY_DAC_DPMS_CTRL_BLANKED;
|
|
|
|
switch (mode) {
|
|
case DRM_MODE_DPMS_STANDBY:
|
|
val |= NV50_PDISPLAY_DAC_DPMS_CTRL_HSYNC_OFF;
|
|
break;
|
|
case DRM_MODE_DPMS_SUSPEND:
|
|
val |= NV50_PDISPLAY_DAC_DPMS_CTRL_VSYNC_OFF;
|
|
break;
|
|
case DRM_MODE_DPMS_OFF:
|
|
val |= NV50_PDISPLAY_DAC_DPMS_CTRL_OFF;
|
|
val |= NV50_PDISPLAY_DAC_DPMS_CTRL_HSYNC_OFF;
|
|
val |= NV50_PDISPLAY_DAC_DPMS_CTRL_VSYNC_OFF;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or), val |
|
|
NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
|
|
}
|
|
|
|
static void
|
|
nv50_dac_save(struct drm_encoder *encoder)
|
|
{
|
|
NV_ERROR(encoder->dev, "!!\n");
|
|
}
|
|
|
|
static void
|
|
nv50_dac_restore(struct drm_encoder *encoder)
|
|
{
|
|
NV_ERROR(encoder->dev, "!!\n");
|
|
}
|
|
|
|
static bool
|
|
nv50_dac_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
|
|
struct nouveau_connector *connector;
|
|
|
|
NV_DEBUG_KMS(encoder->dev, "or %d\n", nv_encoder->or);
|
|
|
|
connector = nouveau_encoder_connector_get(nv_encoder);
|
|
if (!connector) {
|
|
NV_ERROR(encoder->dev, "Encoder has no connector\n");
|
|
return false;
|
|
}
|
|
|
|
if (connector->scaling_mode != DRM_MODE_SCALE_NONE &&
|
|
connector->native_mode) {
|
|
int id = adjusted_mode->base.id;
|
|
*adjusted_mode = *connector->native_mode;
|
|
adjusted_mode->base.id = id;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
nv50_dac_commit(struct drm_encoder *encoder)
|
|
{
|
|
}
|
|
|
|
static void
|
|
nv50_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
|
|
struct drm_device *dev = encoder->dev;
|
|
struct nouveau_channel *evo = nv50_display(dev)->master;
|
|
struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc);
|
|
uint32_t mode_ctl = 0, mode_ctl2 = 0;
|
|
int ret;
|
|
|
|
NV_DEBUG_KMS(dev, "or %d type %d crtc %d\n",
|
|
nv_encoder->or, nv_encoder->dcb->type, crtc->index);
|
|
|
|
nv50_dac_dpms(encoder, DRM_MODE_DPMS_ON);
|
|
|
|
if (crtc->index == 1)
|
|
mode_ctl |= NV50_EVO_DAC_MODE_CTRL_CRTC1;
|
|
else
|
|
mode_ctl |= NV50_EVO_DAC_MODE_CTRL_CRTC0;
|
|
|
|
/* Lacking a working tv-out, this is not a 100% sure. */
|
|
if (nv_encoder->dcb->type == OUTPUT_ANALOG)
|
|
mode_ctl |= 0x40;
|
|
else
|
|
if (nv_encoder->dcb->type == OUTPUT_TV)
|
|
mode_ctl |= 0x100;
|
|
|
|
if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
|
|
mode_ctl2 |= NV50_EVO_DAC_MODE_CTRL2_NHSYNC;
|
|
|
|
if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
|
|
mode_ctl2 |= NV50_EVO_DAC_MODE_CTRL2_NVSYNC;
|
|
|
|
ret = RING_SPACE(evo, 3);
|
|
if (ret) {
|
|
NV_ERROR(dev, "no space while connecting DAC\n");
|
|
return;
|
|
}
|
|
BEGIN_RING(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 2);
|
|
OUT_RING(evo, mode_ctl);
|
|
OUT_RING(evo, mode_ctl2);
|
|
|
|
nv_encoder->crtc = encoder->crtc;
|
|
}
|
|
|
|
static struct drm_crtc *
|
|
nv50_dac_crtc_get(struct drm_encoder *encoder)
|
|
{
|
|
return nouveau_encoder(encoder)->crtc;
|
|
}
|
|
|
|
static const struct drm_encoder_helper_funcs nv50_dac_helper_funcs = {
|
|
.dpms = nv50_dac_dpms,
|
|
.save = nv50_dac_save,
|
|
.restore = nv50_dac_restore,
|
|
.mode_fixup = nv50_dac_mode_fixup,
|
|
.prepare = nv50_dac_disconnect,
|
|
.commit = nv50_dac_commit,
|
|
.mode_set = nv50_dac_mode_set,
|
|
.get_crtc = nv50_dac_crtc_get,
|
|
.detect = nv50_dac_detect,
|
|
.disable = nv50_dac_disconnect
|
|
};
|
|
|
|
static void
|
|
nv50_dac_destroy(struct drm_encoder *encoder)
|
|
{
|
|
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
|
|
|
|
if (!encoder)
|
|
return;
|
|
|
|
NV_DEBUG_KMS(encoder->dev, "\n");
|
|
|
|
drm_encoder_cleanup(encoder);
|
|
kfree(nv_encoder);
|
|
}
|
|
|
|
static const struct drm_encoder_funcs nv50_dac_encoder_funcs = {
|
|
.destroy = nv50_dac_destroy,
|
|
};
|
|
|
|
int
|
|
nv50_dac_create(struct drm_connector *connector, struct dcb_entry *entry)
|
|
{
|
|
struct nouveau_encoder *nv_encoder;
|
|
struct drm_encoder *encoder;
|
|
|
|
nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
|
|
if (!nv_encoder)
|
|
return -ENOMEM;
|
|
encoder = to_drm_encoder(nv_encoder);
|
|
|
|
nv_encoder->dcb = entry;
|
|
nv_encoder->or = ffs(entry->or) - 1;
|
|
|
|
drm_encoder_init(connector->dev, encoder, &nv50_dac_encoder_funcs,
|
|
DRM_MODE_ENCODER_DAC);
|
|
drm_encoder_helper_add(encoder, &nv50_dac_helper_funcs);
|
|
|
|
encoder->possible_crtcs = entry->heads;
|
|
encoder->possible_clones = 0;
|
|
|
|
drm_mode_connector_attach_encoder(connector, encoder);
|
|
return 0;
|
|
}
|
|
|