mirror of
https://gitlab.freedesktop.org/mesa/drm.git
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fa73fa6889
This is a essentially a big squash merge from the kernel tree I've been working in, sorry about the loss of history, but commiting each patch individually would've taken quite a while to do. The nv50 kms code now uses the helpers in the drm, simplifying the code greatly. The code is far more stable than previously on all the G8x cards I've been able to test on, but there's likely still bugs to be ironed out!
280 lines
8.1 KiB
C
280 lines
8.1 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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#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_crtc.h"
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#include "nv50_display.h"
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#include "nv50_display_commands.h"
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static void
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nv50_dac_disconnect(struct nouveau_encoder *encoder)
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{
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struct drm_device *dev = encoder->base.dev;
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uint32_t offset = encoder->or * 0x80;
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DRM_DEBUG("or %d\n", encoder->or);
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OUT_MODE(NV50_DAC0_MODE_CTRL + offset, NV50_DAC_MODE_CTRL_OFF);
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}
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static int
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nv50_dac_set_clock_mode(struct nouveau_encoder *encoder,
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struct drm_display_mode *mode)
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{
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struct drm_nouveau_private *dev_priv = encoder->base.dev->dev_private;
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DRM_DEBUG("or %d\n", encoder->or);
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nv_wr32(NV50_PDISPLAY_DAC_CLK_CLK_CTRL2(encoder->or), 0);
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return 0;
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}
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static enum drm_connector_status
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nv50_dac_detect(struct drm_encoder *drm_encoder,
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struct drm_connector *drm_connector)
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{
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struct nouveau_encoder *encoder = to_nouveau_encoder(drm_encoder);
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struct drm_device *dev = encoder->base.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 = encoder->or;
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nv_wr32(NV50_PDISPLAY_DAC_REGS_CLK_CTRL1(or), 0x00000001);
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dpms_state = nv_rd32(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or));
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nv_wr32(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or),
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0x00150000 | NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_PENDING);
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if (!nv_wait(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or),
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NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_PENDING, 0)) {
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DRM_ERROR("timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
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DRM_ERROR("DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
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nv_rd32(NV50_PDISPLAY_DAC_REGS_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->bios.dactestval) {
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load_pattern = dev_priv->bios.dactestval;
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DRM_DEBUG("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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DRM_DEBUG("Using default load_pattern of %d\n", load_pattern);
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}
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nv_wr32(NV50_PDISPLAY_DAC_REGS_LOAD_CTRL(or),
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NV50_PDISPLAY_DAC_REGS_LOAD_CTRL_ACTIVE | load_pattern);
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udelay(10000); /* give it some time to process */
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load_state = nv_rd32(NV50_PDISPLAY_DAC_REGS_LOAD_CTRL(or));
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nv_wr32(NV50_PDISPLAY_DAC_REGS_LOAD_CTRL(or), 0);
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nv_wr32(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or), dpms_state);
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if ((load_state & NV50_PDISPLAY_DAC_REGS_LOAD_CTRL_PRESENT) ==
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NV50_PDISPLAY_DAC_REGS_LOAD_CTRL_PRESENT)
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status = connector_status_connected;
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if (status == connector_status_connected)
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DRM_DEBUG("Load was detected on output with or %d\n", or);
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else
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DRM_DEBUG("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 nv50_dac_dpms(struct drm_encoder *drm_encoder, int mode)
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{
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struct drm_device *dev = drm_encoder->dev;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_encoder *encoder = to_nouveau_encoder(drm_encoder);
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uint32_t val;
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int or = encoder->or;
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DRM_DEBUG("or %d\n", or);
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/* wait for it to be done */
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if (!nv_wait(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or),
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NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_PENDING, 0)) {
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DRM_ERROR("timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
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DRM_ERROR("DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
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nv_rd32(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or)));
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return;
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}
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val = nv_rd32(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or)) & ~0x7F;
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if (mode != DRM_MODE_DPMS_ON)
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val |= NV50_PDISPLAY_DAC_REGS_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_REGS_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_REGS_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_REGS_DPMS_CTRL_OFF;
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val |= NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_HSYNC_OFF;
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val |= NV50_PDISPLAY_DAC_REGS_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(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or),
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val | NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_PENDING);
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}
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static void nv50_dac_save(struct drm_encoder *drm_encoder)
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{
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DRM_ERROR("!!\n");
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}
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static void nv50_dac_restore(struct drm_encoder *drm_encoder)
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{
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DRM_ERROR("!!\n");
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}
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static bool nv50_dac_mode_fixup(struct drm_encoder *drm_encoder,
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struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode)
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{
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return true;
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}
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static void nv50_dac_prepare(struct drm_encoder *drm_encoder)
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{
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struct nouveau_encoder *encoder = to_nouveau_encoder(drm_encoder);
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nv50_dac_dpms(drm_encoder, DRM_MODE_DPMS_OFF);
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nv50_dac_disconnect(encoder);
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}
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static void nv50_dac_commit(struct drm_encoder *drm_encoder)
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{
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nv50_dac_dpms(drm_encoder, DRM_MODE_DPMS_ON);
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}
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static void nv50_dac_mode_set(struct drm_encoder *drm_encoder,
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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 *encoder = to_nouveau_encoder(drm_encoder);
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struct drm_device *dev = drm_encoder->dev;
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struct nouveau_crtc *crtc = to_nouveau_crtc(drm_encoder->crtc);
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uint32_t offset = encoder->or * 0x80;
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uint32_t mode_ctl = NV50_DAC_MODE_CTRL_OFF;
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uint32_t mode_ctl2 = 0;
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DRM_DEBUG("or %d\n", encoder->or);
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if (crtc->index == 1)
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mode_ctl |= NV50_DAC_MODE_CTRL_CRTC1;
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else
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mode_ctl |= NV50_DAC_MODE_CTRL_CRTC0;
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/* Lacking a working tv-out, this is not a 100% sure. */
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if (encoder->base.encoder_type == DRM_MODE_ENCODER_DAC) {
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mode_ctl |= 0x40;
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} else
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if (encoder->base.encoder_type == DRM_MODE_ENCODER_TVDAC) {
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mode_ctl |= 0x100;
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}
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if (mode->flags & DRM_MODE_FLAG_NHSYNC)
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mode_ctl2 |= NV50_DAC_MODE_CTRL2_NHSYNC;
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if (mode->flags & DRM_MODE_FLAG_NVSYNC)
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mode_ctl2 |= NV50_DAC_MODE_CTRL2_NVSYNC;
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OUT_MODE(NV50_DAC0_MODE_CTRL + offset, mode_ctl);
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OUT_MODE(NV50_DAC0_MODE_CTRL2 + offset, mode_ctl2);
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OUT_MODE(NV50_UPDATE_DISPLAY, 0);
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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_prepare,
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.commit = nv50_dac_commit,
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.mode_set = nv50_dac_mode_set,
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.detect = nv50_dac_detect
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};
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static void nv50_dac_destroy(struct drm_encoder *drm_encoder)
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{
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struct nouveau_encoder *encoder = to_nouveau_encoder(drm_encoder);
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DRM_DEBUG("\n");
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if (!drm_encoder)
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return;
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drm_encoder_cleanup(&encoder->base);
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kfree(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 nv50_dac_create(struct drm_device *dev, struct dcb_entry *entry)
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{
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struct nouveau_encoder *encoder = NULL;
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DRM_DEBUG("\n");
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DRM_INFO("Detected a DAC output\n");
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encoder = kzalloc(sizeof(*encoder), GFP_KERNEL);
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if (!encoder)
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return -ENOMEM;
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encoder->dcb_entry = entry;
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encoder->or = ffs(entry->or) - 1;
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/* Set function pointers. */
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encoder->set_clock_mode = nv50_dac_set_clock_mode;
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drm_encoder_init(dev, &encoder->base, &nv50_dac_encoder_funcs,
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DRM_MODE_ENCODER_DAC);
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drm_encoder_helper_add(&encoder->base, &nv50_dac_helper_funcs);
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/* I've never seen possible crtc's restricted. */
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encoder->base.possible_crtcs = 3;
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encoder->base.possible_clones = 0;
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return 0;
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}
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