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path: root/drivers/gpu/drm/nouveau/nv50_dac.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_dac.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_dac.c321
1 files changed, 0 insertions, 321 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_dac.c b/drivers/gpu/drm/nouveau/nv50_dac.c
deleted file mode 100644
index 6a30a1748573..000000000000
--- a/drivers/gpu/drm/nouveau/nv50_dac.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- * 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 <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
-
-#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO)
-#include "nouveau_reg.h"
-#include "nouveau_drm.h"
-#include "nouveau_dma.h"
-#include "nouveau_encoder.h"
-#include "nouveau_connector.h"
-#include "nouveau_crtc.h"
-#include "nv50_display.h"
-
-#include <subdev/timer.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_drm *drm = nouveau_drm(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(drm, "Disconnecting DAC %d\n", nv_encoder->or);
-
- ret = RING_SPACE(evo, 4);
- if (ret) {
- NV_ERROR(drm, "no space while disconnecting DAC\n");
- return;
- }
- BEGIN_NV04(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 1);
- OUT_RING (evo, 0);
- BEGIN_NV04(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 nouveau_device *device = nouveau_dev(encoder->dev);
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- enum drm_connector_status status = connector_status_disconnected;
- uint32_t dpms_state, load_pattern, load_state;
- int or = nv_encoder->or;
-
- nv_wr32(device, NV50_PDISPLAY_DAC_CLK_CTRL1(or), 0x00000001);
- dpms_state = nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or));
-
- nv_wr32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
- 0x00150000 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
- if (!nv_wait(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
- NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) {
- NV_ERROR(drm, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
- NV_ERROR(drm, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
- nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or)));
- return status;
- }
-
- /* Use bios provided value if possible. */
- if (drm->vbios.dactestval) {
- load_pattern = drm->vbios.dactestval;
- NV_DEBUG(drm, "Using bios provided load_pattern of %d\n",
- load_pattern);
- } else {
- load_pattern = 340;
- NV_DEBUG(drm, "Using default load_pattern of %d\n",
- load_pattern);
- }
-
- nv_wr32(device, 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(device, NV50_PDISPLAY_DAC_LOAD_CTRL(or));
-
- nv_wr32(device, NV50_PDISPLAY_DAC_LOAD_CTRL(or), 0);
- nv_wr32(device, 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(drm, "Load was detected on output with or %d\n", or);
- else
- NV_DEBUG(drm, "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 nouveau_device *device = nouveau_dev(encoder->dev);
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
- uint32_t val;
- int or = nv_encoder->or;
-
- NV_DEBUG(drm, "or %d mode %d\n", or, mode);
-
- /* wait for it to be done */
- if (!nv_wait(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
- NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) {
- NV_ERROR(drm, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
- NV_ERROR(drm, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
- nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or)));
- return;
- }
-
- val = nv_rd32(device, 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(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or), val |
- NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
-}
-
-static void
-nv50_dac_save(struct drm_encoder *encoder)
-{
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- NV_ERROR(drm, "!!\n");
-}
-
-static void
-nv50_dac_restore(struct drm_encoder *encoder)
-{
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- NV_ERROR(drm, "!!\n");
-}
-
-static bool
-nv50_dac_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
- struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
- struct nouveau_connector *connector;
-
- NV_DEBUG(drm, "or %d\n", nv_encoder->or);
-
- connector = nouveau_encoder_connector_get(nv_encoder);
- if (!connector) {
- NV_ERROR(drm, "Encoder has no connector\n");
- return false;
- }
-
- if (connector->scaling_mode != DRM_MODE_SCALE_NONE &&
- connector->native_mode)
- drm_mode_copy(adjusted_mode, connector->native_mode);
-
- 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 nouveau_drm *drm = nouveau_drm(encoder->dev);
- 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(drm, "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 == DCB_OUTPUT_ANALOG)
- mode_ctl |= 0x40;
- else
- if (nv_encoder->dcb->type == DCB_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(drm, "no space while connecting DAC\n");
- return;
- }
- BEGIN_NV04(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);
- struct nouveau_drm *drm = nouveau_drm(encoder->dev);
-
- if (!encoder)
- return;
-
- NV_DEBUG(drm, "\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_output *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;
-}
-