312 lines
8.8 KiB
C
312 lines
8.8 KiB
C
/*
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* Copyright (C) 2008 Maarten Maathuis.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "drmP.h"
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#include "drm_crtc_helper.h"
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#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO)
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#include "nouveau_reg.h"
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#include "nouveau_drv.h"
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#include "nouveau_dma.h"
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#include "nouveau_encoder.h"
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#include "nouveau_connector.h"
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#include "nouveau_crtc.h"
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#include "nv50_display.h"
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static void
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nv50_dac_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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struct nouveau_channel *evo = nv50_display(dev)->master;
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int ret;
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if (!nv_encoder->crtc)
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return;
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nv50_crtc_blank(nouveau_crtc(nv_encoder->crtc), true);
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NV_DEBUG_KMS(dev, "Disconnecting DAC %d\n", nv_encoder->or);
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ret = RING_SPACE(evo, 4);
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if (ret) {
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NV_ERROR(dev, "no space while disconnecting DAC\n");
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return;
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}
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BEGIN_NV04(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 1);
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OUT_RING (evo, 0);
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BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1);
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OUT_RING (evo, 0);
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nv_encoder->crtc = NULL;
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}
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static enum drm_connector_status
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nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
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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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struct drm_nouveau_private *dev_priv = dev->dev_private;
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enum drm_connector_status status = connector_status_disconnected;
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uint32_t dpms_state, load_pattern, load_state;
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int or = nv_encoder->or;
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nv_wr32(dev, NV50_PDISPLAY_DAC_CLK_CTRL1(or), 0x00000001);
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dpms_state = nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or));
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nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
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0x00150000 | NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
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if (!nv_wait(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
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NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) {
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NV_ERROR(dev, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
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NV_ERROR(dev, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
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nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or)));
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return status;
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}
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/* Use bios provided value if possible. */
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if (dev_priv->vbios.dactestval) {
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load_pattern = dev_priv->vbios.dactestval;
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NV_DEBUG_KMS(dev, "Using bios provided load_pattern of %d\n",
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load_pattern);
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} else {
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load_pattern = 340;
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NV_DEBUG_KMS(dev, "Using default load_pattern of %d\n",
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load_pattern);
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}
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nv_wr32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or),
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NV50_PDISPLAY_DAC_LOAD_CTRL_ACTIVE | load_pattern);
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mdelay(45); /* give it some time to process */
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load_state = nv_rd32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or));
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nv_wr32(dev, NV50_PDISPLAY_DAC_LOAD_CTRL(or), 0);
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nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or), dpms_state |
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NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
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if ((load_state & NV50_PDISPLAY_DAC_LOAD_CTRL_PRESENT) ==
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NV50_PDISPLAY_DAC_LOAD_CTRL_PRESENT)
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status = connector_status_connected;
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if (status == connector_status_connected)
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NV_DEBUG_KMS(dev, "Load was detected on output with or %d\n", or);
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else
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NV_DEBUG_KMS(dev, "Load was not detected on output with or %d\n", or);
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return status;
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}
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static void
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nv50_dac_dpms(struct drm_encoder *encoder, int mode)
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{
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struct drm_device *dev = encoder->dev;
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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uint32_t val;
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int or = nv_encoder->or;
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NV_DEBUG_KMS(dev, "or %d mode %d\n", or, mode);
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/* wait for it to be done */
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if (!nv_wait(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
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NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) {
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NV_ERROR(dev, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
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NV_ERROR(dev, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
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nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or)));
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return;
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}
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val = nv_rd32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or)) & ~0x7F;
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if (mode != DRM_MODE_DPMS_ON)
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val |= NV50_PDISPLAY_DAC_DPMS_CTRL_BLANKED;
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switch (mode) {
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case DRM_MODE_DPMS_STANDBY:
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val |= NV50_PDISPLAY_DAC_DPMS_CTRL_HSYNC_OFF;
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break;
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case DRM_MODE_DPMS_SUSPEND:
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val |= NV50_PDISPLAY_DAC_DPMS_CTRL_VSYNC_OFF;
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break;
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case DRM_MODE_DPMS_OFF:
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val |= NV50_PDISPLAY_DAC_DPMS_CTRL_OFF;
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val |= NV50_PDISPLAY_DAC_DPMS_CTRL_HSYNC_OFF;
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val |= NV50_PDISPLAY_DAC_DPMS_CTRL_VSYNC_OFF;
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break;
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default:
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break;
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}
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nv_wr32(dev, NV50_PDISPLAY_DAC_DPMS_CTRL(or), val |
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NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
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}
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static void
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nv50_dac_save(struct drm_encoder *encoder)
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{
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NV_ERROR(encoder->dev, "!!\n");
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}
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static void
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nv50_dac_restore(struct drm_encoder *encoder)
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{
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NV_ERROR(encoder->dev, "!!\n");
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}
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static bool
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nv50_dac_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode)
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{
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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struct nouveau_connector *connector;
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NV_DEBUG_KMS(encoder->dev, "or %d\n", nv_encoder->or);
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connector = nouveau_encoder_connector_get(nv_encoder);
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if (!connector) {
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NV_ERROR(encoder->dev, "Encoder has no connector\n");
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return false;
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}
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if (connector->scaling_mode != DRM_MODE_SCALE_NONE &&
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connector->native_mode)
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drm_mode_copy(adjusted_mode, connector->native_mode);
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return true;
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}
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static void
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nv50_dac_commit(struct drm_encoder *encoder)
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{
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}
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static void
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nv50_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode)
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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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struct nouveau_channel *evo = nv50_display(dev)->master;
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struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc);
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uint32_t mode_ctl = 0, mode_ctl2 = 0;
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int ret;
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NV_DEBUG_KMS(dev, "or %d type %d crtc %d\n",
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nv_encoder->or, nv_encoder->dcb->type, crtc->index);
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nv50_dac_dpms(encoder, DRM_MODE_DPMS_ON);
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if (crtc->index == 1)
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mode_ctl |= NV50_EVO_DAC_MODE_CTRL_CRTC1;
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else
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mode_ctl |= NV50_EVO_DAC_MODE_CTRL_CRTC0;
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/* Lacking a working tv-out, this is not a 100% sure. */
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if (nv_encoder->dcb->type == OUTPUT_ANALOG)
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mode_ctl |= 0x40;
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else
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if (nv_encoder->dcb->type == OUTPUT_TV)
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mode_ctl |= 0x100;
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if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
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mode_ctl2 |= NV50_EVO_DAC_MODE_CTRL2_NHSYNC;
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if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
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mode_ctl2 |= NV50_EVO_DAC_MODE_CTRL2_NVSYNC;
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ret = RING_SPACE(evo, 3);
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if (ret) {
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NV_ERROR(dev, "no space while connecting DAC\n");
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return;
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}
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BEGIN_NV04(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 2);
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OUT_RING(evo, mode_ctl);
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OUT_RING(evo, mode_ctl2);
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nv_encoder->crtc = encoder->crtc;
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}
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static struct drm_crtc *
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nv50_dac_crtc_get(struct drm_encoder *encoder)
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{
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return nouveau_encoder(encoder)->crtc;
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}
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static const struct drm_encoder_helper_funcs nv50_dac_helper_funcs = {
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.dpms = nv50_dac_dpms,
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.save = nv50_dac_save,
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.restore = nv50_dac_restore,
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.mode_fixup = nv50_dac_mode_fixup,
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.prepare = nv50_dac_disconnect,
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.commit = nv50_dac_commit,
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.mode_set = nv50_dac_mode_set,
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.get_crtc = nv50_dac_crtc_get,
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.detect = nv50_dac_detect,
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.disable = nv50_dac_disconnect
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};
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static void
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nv50_dac_destroy(struct drm_encoder *encoder)
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{
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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if (!encoder)
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return;
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NV_DEBUG_KMS(encoder->dev, "\n");
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drm_encoder_cleanup(encoder);
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kfree(nv_encoder);
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}
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static const struct drm_encoder_funcs nv50_dac_encoder_funcs = {
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.destroy = nv50_dac_destroy,
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};
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int
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nv50_dac_create(struct drm_connector *connector, struct dcb_entry *entry)
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{
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struct nouveau_encoder *nv_encoder;
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struct drm_encoder *encoder;
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nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
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if (!nv_encoder)
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return -ENOMEM;
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encoder = to_drm_encoder(nv_encoder);
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nv_encoder->dcb = entry;
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nv_encoder->or = ffs(entry->or) - 1;
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drm_encoder_init(connector->dev, encoder, &nv50_dac_encoder_funcs,
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DRM_MODE_ENCODER_DAC);
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drm_encoder_helper_add(encoder, &nv50_dac_helper_funcs);
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encoder->possible_crtcs = entry->heads;
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encoder->possible_clones = 0;
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drm_mode_connector_attach_encoder(connector, encoder);
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return 0;
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}
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