/* * 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" #include "nouveau_drv.h" #include "nouveau_fb.h" #include "nouveau_fbcon.h" #include "nouveau_hw.h" #include "nouveau_crtc.h" #include "nouveau_dma.h" #include "nouveau_connector.h" #include "nouveau_gpio.h" #include "nv50_display.h" static void nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) { struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); if (fb->nvbo) drm_gem_object_unreference_unlocked(fb->nvbo->gem); drm_framebuffer_cleanup(drm_fb); kfree(fb); } static int nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, struct drm_file *file_priv, unsigned int *handle) { struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle); } static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { .destroy = nouveau_user_framebuffer_destroy, .create_handle = nouveau_user_framebuffer_create_handle, }; int nouveau_framebuffer_init(struct drm_device *dev, struct nouveau_framebuffer *nv_fb, struct drm_mode_fb_cmd2 *mode_cmd, struct nouveau_bo *nvbo) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct drm_framebuffer *fb = &nv_fb->base; int ret; ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); if (ret) { return ret; } drm_helper_mode_fill_fb_struct(fb, mode_cmd); nv_fb->nvbo = nvbo; if (dev_priv->card_type >= NV_50) { u32 tile_flags = nouveau_bo_tile_layout(nvbo); if (tile_flags == 0x7a00 || tile_flags == 0xfe00) nv_fb->r_dma = NvEvoFB32; else if (tile_flags == 0x7000) nv_fb->r_dma = NvEvoFB16; else nv_fb->r_dma = NvEvoVRAM_LP; switch (fb->depth) { case 8: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_8; break; case 15: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_15; break; case 16: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_16; break; case 24: case 32: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_24; break; case 30: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_30; break; default: NV_ERROR(dev, "unknown depth %d\n", fb->depth); return -EINVAL; } if (dev_priv->chipset == 0x50) nv_fb->r_format |= (tile_flags << 8); if (!tile_flags) { if (dev_priv->card_type < NV_D0) nv_fb->r_pitch = 0x00100000 | fb->pitches[0]; else nv_fb->r_pitch = 0x01000000 | fb->pitches[0]; } else { u32 mode = nvbo->tile_mode; if (dev_priv->card_type >= NV_C0) mode >>= 4; nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode; } } return 0; } static struct drm_framebuffer * nouveau_user_framebuffer_create(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd2 *mode_cmd) { struct nouveau_framebuffer *nouveau_fb; struct drm_gem_object *gem; int ret; gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); if (!gem) return ERR_PTR(-ENOENT); nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); if (!nouveau_fb) return ERR_PTR(-ENOMEM); ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); if (ret) { drm_gem_object_unreference(gem); return ERR_PTR(ret); } return &nouveau_fb->base; } static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { .fb_create = nouveau_user_framebuffer_create, .output_poll_changed = nouveau_fbcon_output_poll_changed, }; struct nouveau_drm_prop_enum_list { u8 gen_mask; int type; char *name; }; static struct nouveau_drm_prop_enum_list underscan[] = { { 6, UNDERSCAN_AUTO, "auto" }, { 6, UNDERSCAN_OFF, "off" }, { 6, UNDERSCAN_ON, "on" }, {} }; static struct nouveau_drm_prop_enum_list dither_mode[] = { { 7, DITHERING_MODE_AUTO, "auto" }, { 7, DITHERING_MODE_OFF, "off" }, { 1, DITHERING_MODE_ON, "on" }, { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, { 4, DITHERING_MODE_TEMPORAL, "temporal" }, {} }; static struct nouveau_drm_prop_enum_list dither_depth[] = { { 6, DITHERING_DEPTH_AUTO, "auto" }, { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, {} }; #define PROP_ENUM(p,gen,n,list) do { \ struct nouveau_drm_prop_enum_list *l = (list); \ int c = 0; \ while (l->gen_mask) { \ if (l->gen_mask & (1 << (gen))) \ c++; \ l++; \ } \ if (c) { \ p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ l = (list); \ c = 0; \ while (p && l->gen_mask) { \ if (l->gen_mask & (1 << (gen))) { \ drm_property_add_enum(p, c, l->type, l->name); \ c++; \ } \ l++; \ } \ } \ } while(0) int nouveau_display_init(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_display_engine *disp = &dev_priv->engine.display; struct drm_connector *connector; int ret; ret = disp->init(dev); if (ret) return ret; /* power on internal panel if it's not already. the init tables of * some vbios default this to off for some reason, causing the * panel to not work after resume */ if (nouveau_gpio_func_get(dev, DCB_GPIO_PANEL_POWER) == 0) { nouveau_gpio_func_set(dev, DCB_GPIO_PANEL_POWER, true); msleep(300); } /* enable polling for external displays */ drm_kms_helper_poll_enable(dev); /* enable hotplug interrupts */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct nouveau_connector *conn = nouveau_connector(connector); nouveau_gpio_irq(dev, 0, conn->hpd, 0xff, true); } return ret; } void nouveau_display_fini(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_display_engine *disp = &dev_priv->engine.display; struct drm_connector *connector; /* disable hotplug interrupts */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct nouveau_connector *conn = nouveau_connector(connector); nouveau_gpio_irq(dev, 0, conn->hpd, 0xff, false); } drm_kms_helper_poll_disable(dev); disp->fini(dev); } int nouveau_display_create(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_display_engine *disp = &dev_priv->engine.display; int ret, gen; drm_mode_config_init(dev); drm_mode_create_scaling_mode_property(dev); drm_mode_create_dvi_i_properties(dev); if (dev_priv->card_type < NV_50) gen = 0; else if (dev_priv->card_type < NV_D0) gen = 1; else gen = 2; PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); disp->underscan_hborder_property = drm_property_create_range(dev, 0, "underscan hborder", 0, 128); disp->underscan_vborder_property = drm_property_create_range(dev, 0, "underscan vborder", 0, 128); dev->mode_config.funcs = (void *)&nouveau_mode_config_funcs; dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1); dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; if (dev_priv->card_type < NV_10) { dev->mode_config.max_width = 2048; dev->mode_config.max_height = 2048; } else if (dev_priv->card_type < NV_50) { dev->mode_config.max_width = 4096; dev->mode_config.max_height = 4096; } else { dev->mode_config.max_width = 8192; dev->mode_config.max_height = 8192; } drm_kms_helper_poll_init(dev); drm_kms_helper_poll_disable(dev); ret = disp->create(dev); if (ret) return ret; if (dev->mode_config.num_crtc) { ret = drm_vblank_init(dev, dev->mode_config.num_crtc); if (ret) return ret; } return ret; } void nouveau_display_destroy(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_display_engine *disp = &dev_priv->engine.display; drm_vblank_cleanup(dev); disp->destroy(dev); drm_kms_helper_poll_fini(dev); drm_mode_config_cleanup(dev); } int nouveau_vblank_enable(struct drm_device *dev, int crtc) { struct drm_nouveau_private *dev_priv = dev->dev_private; if (dev_priv->card_type >= NV_50) nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, 0, NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc)); else NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, NV_PCRTC_INTR_0_VBLANK); return 0; } void nouveau_vblank_disable(struct drm_device *dev, int crtc) { struct drm_nouveau_private *dev_priv = dev->dev_private; if (dev_priv->card_type >= NV_50) nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0); else NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0); } static int nouveau_page_flip_reserve(struct nouveau_bo *old_bo, struct nouveau_bo *new_bo) { int ret; ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); if (ret) return ret; ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0); if (ret) goto fail; ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0); if (ret) goto fail_unreserve; return 0; fail_unreserve: ttm_bo_unreserve(&new_bo->bo); fail: nouveau_bo_unpin(new_bo); return ret; } static void nouveau_page_flip_unreserve(struct nouveau_bo *old_bo, struct nouveau_bo *new_bo, struct nouveau_fence *fence) { nouveau_bo_fence(new_bo, fence); ttm_bo_unreserve(&new_bo->bo); nouveau_bo_fence(old_bo, fence); ttm_bo_unreserve(&old_bo->bo); nouveau_bo_unpin(old_bo); } static int nouveau_page_flip_emit(struct nouveau_channel *chan, struct nouveau_bo *old_bo, struct nouveau_bo *new_bo, struct nouveau_page_flip_state *s, struct nouveau_fence **pfence) { struct drm_nouveau_private *dev_priv = chan->dev->dev_private; struct drm_device *dev = chan->dev; unsigned long flags; int ret; /* Queue it to the pending list */ spin_lock_irqsave(&dev->event_lock, flags); list_add_tail(&s->head, &chan->nvsw.flip); spin_unlock_irqrestore(&dev->event_lock, flags); /* Synchronize with the old framebuffer */ ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); if (ret) goto fail; /* Emit the pageflip */ ret = RING_SPACE(chan, 2); if (ret) goto fail; if (dev_priv->card_type < NV_C0) BEGIN_RING(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); else BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0500, 1); OUT_RING (chan, 0); FIRE_RING (chan); ret = nouveau_fence_new(chan, pfence, true); if (ret) goto fail; return 0; fail: spin_lock_irqsave(&dev->event_lock, flags); list_del(&s->head); spin_unlock_irqrestore(&dev->event_lock, flags); return ret; } int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_pending_vblank_event *event) { struct drm_device *dev = crtc->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo; struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; struct nouveau_page_flip_state *s; struct nouveau_channel *chan; struct nouveau_fence *fence; int ret; if (!dev_priv->channel) return -ENODEV; s = kzalloc(sizeof(*s), GFP_KERNEL); if (!s) return -ENOMEM; /* Don't let the buffers go away while we flip */ ret = nouveau_page_flip_reserve(old_bo, new_bo); if (ret) goto fail_free; /* Initialize a page flip struct */ *s = (struct nouveau_page_flip_state) { { }, event, nouveau_crtc(crtc)->index, fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, new_bo->bo.offset }; /* Choose the channel the flip will be handled in */ chan = nouveau_fence_channel(new_bo->bo.sync_obj); if (!chan) chan = nouveau_channel_get_unlocked(dev_priv->channel); mutex_lock(&chan->mutex); /* Emit a page flip */ if (dev_priv->card_type >= NV_50) { if (dev_priv->card_type >= NV_D0) ret = nvd0_display_flip_next(crtc, fb, chan, 0); else ret = nv50_display_flip_next(crtc, fb, chan); if (ret) { nouveau_channel_put(&chan); goto fail_unreserve; } } ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); nouveau_channel_put(&chan); if (ret) goto fail_unreserve; /* Update the crtc struct and cleanup */ crtc->fb = fb; nouveau_page_flip_unreserve(old_bo, new_bo, fence); nouveau_fence_unref(&fence); return 0; fail_unreserve: nouveau_page_flip_unreserve(old_bo, new_bo, NULL); fail_free: kfree(s); return ret; } int nouveau_finish_page_flip(struct nouveau_channel *chan, struct nouveau_page_flip_state *ps) { struct drm_device *dev = chan->dev; struct nouveau_page_flip_state *s; unsigned long flags; spin_lock_irqsave(&dev->event_lock, flags); if (list_empty(&chan->nvsw.flip)) { NV_ERROR(dev, "Unexpected pageflip in channel %d.\n", chan->id); spin_unlock_irqrestore(&dev->event_lock, flags); return -EINVAL; } s = list_first_entry(&chan->nvsw.flip, struct nouveau_page_flip_state, head); if (s->event) { struct drm_pending_vblank_event *e = s->event; struct timeval now; do_gettimeofday(&now); e->event.sequence = 0; e->event.tv_sec = now.tv_sec; e->event.tv_usec = now.tv_usec; list_add_tail(&e->base.link, &e->base.file_priv->event_list); wake_up_interruptible(&e->base.file_priv->event_wait); } list_del(&s->head); if (ps) *ps = *s; kfree(s); spin_unlock_irqrestore(&dev->event_lock, flags); return 0; } int nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args) { struct nouveau_bo *bo; int ret; args->pitch = roundup(args->width * (args->bpp / 8), 256); args->size = args->pitch * args->height; args->size = roundup(args->size, PAGE_SIZE); ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo); if (ret) return ret; ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle); drm_gem_object_unreference_unlocked(bo->gem); return ret; } int nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle) { return drm_gem_handle_delete(file_priv, handle); } int nouveau_display_dumb_map_offset(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle, uint64_t *poffset) { struct drm_gem_object *gem; gem = drm_gem_object_lookup(dev, file_priv, handle); if (gem) { struct nouveau_bo *bo = gem->driver_private; *poffset = bo->bo.addr_space_offset; drm_gem_object_unreference_unlocked(gem); return 0; } return -ENOENT; }