diff options
Diffstat (limited to 'linux-core/nv50_sor.c')
-rw-r--r-- | linux-core/nv50_sor.c | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/linux-core/nv50_sor.c b/linux-core/nv50_sor.c deleted file mode 100644 index 41116923..00000000 --- a/linux-core/nv50_sor.c +++ /dev/null @@ -1,240 +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 "nv50_output.h" - -static int nv50_sor_validate_mode(struct nv50_output *output, struct nouveau_hw_mode *mode) -{ - NV50_DEBUG("\n"); - - if (mode->clock > 165000) /* no dual link until we figure it out completely */ - return MODE_CLOCK_HIGH; - - if (mode->clock < 25000) - return MODE_CLOCK_LOW; - - if (output->native_mode->hdisplay > 0 && output->native_mode->vdisplay > 0) { - if (mode->hdisplay > output->native_mode->hdisplay || mode->vdisplay > output->native_mode->vdisplay) - return MODE_PANEL; - } - - return MODE_OK; -} - -static int nv50_sor_execute_mode(struct nv50_output *output, bool disconnect) -{ - struct drm_nouveau_private *dev_priv = output->dev->dev_private; - struct nv50_crtc *crtc = output->crtc; - struct nouveau_hw_mode *desired_mode = NULL; - - uint32_t offset = nv50_output_or_offset(output) * 0x40; - - uint32_t mode_ctl = NV50_SOR_MODE_CTRL_OFF; - - NV50_DEBUG("or %d\n", nv50_output_or_offset(output)); - - if (disconnect) { - NV50_DEBUG("Disconnecting SOR\n"); - OUT_MODE(NV50_SOR0_MODE_CTRL + offset, mode_ctl); - return 0; - } - - desired_mode = (crtc->use_native_mode ? crtc->native_mode : crtc->mode); - - if (output->type == OUTPUT_LVDS) { - mode_ctl |= NV50_SOR_MODE_CTRL_LVDS; - } else { - mode_ctl |= NV50_SOR_MODE_CTRL_TMDS; - if (desired_mode->clock > 165000) - mode_ctl |= NV50_SOR_MODE_CTRL_TMDS_DUAL_LINK; - } - - if (crtc->index == 1) - mode_ctl |= NV50_SOR_MODE_CTRL_CRTC1; - else - mode_ctl |= NV50_SOR_MODE_CTRL_CRTC0; - - if (desired_mode->flags & DRM_MODE_FLAG_NHSYNC) - mode_ctl |= NV50_SOR_MODE_CTRL_NHSYNC; - - if (desired_mode->flags & DRM_MODE_FLAG_NVSYNC) - mode_ctl |= NV50_SOR_MODE_CTRL_NVSYNC; - - OUT_MODE(NV50_SOR0_MODE_CTRL + offset, mode_ctl); - - return 0; -} - -static int nv50_sor_set_clock_mode(struct nv50_output *output) -{ - struct drm_nouveau_private *dev_priv = output->dev->dev_private; - struct nv50_crtc *crtc = output->crtc; - - uint32_t limit = 165000; - struct nouveau_hw_mode *hw_mode; - - NV50_DEBUG("or %d\n", nv50_output_or_offset(output)); - - /* We don't yet know what to do, if anything at all. */ - if (output->type == OUTPUT_LVDS) - return 0; - - if (crtc->use_native_mode) - hw_mode = crtc->native_mode; - else - hw_mode = crtc->mode; - - /* 0x70000 was a late addition to nv, mentioned as fixing tmds initialisation on certain gpu's. */ - /* I presume it's some kind of clock setting, but what precisely i do not know. */ - NV_WRITE(NV50_PDISPLAY_SOR_CLK_CLK_CTRL2(nv50_output_or_offset(output)), 0x70000 | ((hw_mode->clock > limit) ? 0x101 : 0)); - - return 0; -} - -static int nv50_sor_set_power_mode(struct nv50_output *output, int mode) -{ - struct drm_nouveau_private *dev_priv = output->dev->dev_private; - uint32_t val; - int or = nv50_output_or_offset(output); - - NV50_DEBUG("or %d\n", nv50_output_or_offset(output)); - - /* wait for it to be done */ - while (NV_READ(NV50_PDISPLAY_SOR_REGS_DPMS_CTRL(or)) & NV50_PDISPLAY_SOR_REGS_DPMS_CTRL_PENDING); - - val = NV_READ(NV50_PDISPLAY_SOR_REGS_DPMS_CTRL(or)); - - if (mode == DRM_MODE_DPMS_ON) - val |= NV50_PDISPLAY_SOR_REGS_DPMS_CTRL_ON; - else - val &= ~NV50_PDISPLAY_SOR_REGS_DPMS_CTRL_ON; - - NV_WRITE(NV50_PDISPLAY_SOR_REGS_DPMS_CTRL(or), val | NV50_PDISPLAY_SOR_REGS_DPMS_CTRL_PENDING); - - return 0; -} - -static int nv50_sor_destroy(struct nv50_output *output) -{ - struct drm_device *dev = output->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_display *display = nv50_get_display(dev); - - NV50_DEBUG("\n"); - - if (!display || !output) - return -EINVAL; - - list_del(&output->item); - - kfree(output->native_mode); - if (dev_priv->free_output) - dev_priv->free_output(output); - - return 0; -} - -int nv50_sor_create(struct drm_device *dev, int dcb_entry) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_output *output = NULL; - struct nv50_display *display = NULL; - struct dcb_entry *entry = NULL; - int rval = 0; - - NV50_DEBUG("\n"); - - /* This allows the public layer to do it's thing. */ - if (dev_priv->alloc_output) - output = dev_priv->alloc_output(dev); - - if (!output) - return -ENOMEM; - - output->dev = dev; - - display = nv50_get_display(dev); - if (!display) { - rval = -EINVAL; - goto out; - } - - entry = &dev_priv->dcb_table.entry[dcb_entry]; - if (!entry) { - rval = -EINVAL; - goto out; - } - - switch (entry->type) { - case DCB_OUTPUT_TMDS: - output->type = OUTPUT_TMDS; - DRM_INFO("Detected a TMDS output\n"); - break; - case DCB_OUTPUT_LVDS: - output->type = OUTPUT_LVDS; - DRM_INFO("Detected a LVDS output\n"); - break; - default: - rval = -EINVAL; - goto out; - } - - output->dcb_entry = dcb_entry; - output->bus = entry->bus; - - list_add_tail(&output->item, &display->outputs); - - output->native_mode = kzalloc(sizeof(struct nouveau_hw_mode), GFP_KERNEL); - if (!output->native_mode) { - rval = -ENOMEM; - goto out; - } - - /* Set function pointers. */ - output->validate_mode = nv50_sor_validate_mode; - output->execute_mode = nv50_sor_execute_mode; - output->set_clock_mode = nv50_sor_set_clock_mode; - output->set_power_mode = nv50_sor_set_power_mode; - output->detect = NULL; - output->destroy = nv50_sor_destroy; - - /* Some default state, unknown what it precisely means. */ - if (output->type == OUTPUT_TMDS) { - NV_WRITE(NV50_PDISPLAY_SOR_REGS_UNK_00C(nv50_output_or_offset(output)), 0x03010700); - NV_WRITE(NV50_PDISPLAY_SOR_REGS_UNK_010(nv50_output_or_offset(output)), 0x0000152f); - NV_WRITE(NV50_PDISPLAY_SOR_REGS_UNK_014(nv50_output_or_offset(output)), 0x00000000); - NV_WRITE(NV50_PDISPLAY_SOR_REGS_UNK_018(nv50_output_or_offset(output)), 0x00245af8); - } - - return 0; - -out: - if (output->native_mode) - kfree(output->native_mode); - if (dev_priv->free_output) - dev_priv->free_output(output); - return rval; -} |