intel_fb.c revision 277487
1193323Sed/* 2193323Sed * Copyright �� 2007 David Airlie 3193323Sed * 4193323Sed * Permission is hereby granted, free of charge, to any person obtaining a 5193323Sed * copy of this software and associated documentation files (the "Software"), 6193323Sed * to deal in the Software without restriction, including without limitation 7193323Sed * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8193323Sed * and/or sell copies of the Software, and to permit persons to whom the 9193323Sed * Software is furnished to do so, subject to the following conditions: 10193323Sed * 11193323Sed * The above copyright notice and this permission notice (including the next 12193323Sed * paragraph) shall be included in all copies or substantial portions of the 13193323Sed * Software. 14193323Sed * 15193323Sed * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16193323Sed * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17193323Sed * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18193323Sed * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19193323Sed * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20193323Sed * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21193323Sed * DEALINGS IN THE SOFTWARE. 22193323Sed * 23249423Sdim * Authors: 24249423Sdim * David Airlie 25249423Sdim */ 26198090Srdivacky 27193323Sed#include <sys/cdefs.h> 28198892Srdivacky__FBSDID("$FreeBSD: head/sys/dev/drm2/i915/intel_fb.c 277487 2015-01-21 16:10:37Z kib $"); 29193323Sed 30249423Sdim#include "opt_syscons.h" 31193323Sed#include <dev/drm2/drmP.h> 32198892Srdivacky#include <dev/drm2/drm.h> 33193323Sed#include <dev/drm2/drm_crtc.h> 34193323Sed#include <dev/drm2/drm_fb_helper.h> 35193323Sed#include <dev/drm2/i915/i915_drm.h> 36193323Sed#include <dev/drm2/i915/i915_drv.h> 37249423Sdim#include <dev/drm2/i915/intel_drv.h> 38263508Sdim 39239462Sdimstatic int intelfb_create(struct intel_fbdev *ifbdev, 40193323Sed struct drm_fb_helper_surface_size *sizes) 41239462Sdim{ 42193323Sed struct drm_device *dev = ifbdev->helper.dev; 43193323Sed#if 0 44193323Sed struct drm_i915_private *dev_priv = dev->dev_private; 45193323Sed#endif 46193323Sed struct fb_info *info; 47193323Sed struct drm_framebuffer *fb; 48212904Sdim struct drm_mode_fb_cmd2 mode_cmd; 49193323Sed struct drm_i915_gem_object *obj; 50239462Sdim int size, ret; 51239462Sdim 52239462Sdim /* we don't do packed 24bpp */ 53239462Sdim if (sizes->surface_bpp == 24) 54239462Sdim sizes->surface_bpp = 32; 55239462Sdim 56239462Sdim mode_cmd.width = sizes->surface_width; 57239462Sdim mode_cmd.height = sizes->surface_height; 58239462Sdim 59193323Sed mode_cmd.pitches[0] = roundup2(mode_cmd.width * ((sizes->surface_bpp + 7) / 60193323Sed 8), 64); 61193323Sed mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, 62206083Srdivacky sizes->surface_depth); 63193323Sed 64239462Sdim size = mode_cmd.pitches[0] * mode_cmd.height; 65239462Sdim size = roundup2(size, PAGE_SIZE); 66193323Sed obj = i915_gem_alloc_object(dev, size); 67234353Sdim if (!obj) { 68234353Sdim DRM_ERROR("failed to allocate framebuffer\n"); 69234353Sdim ret = -ENOMEM; 70234353Sdim goto out; 71234353Sdim } 72234353Sdim 73234353Sdim DRM_LOCK(dev); 74234353Sdim 75234353Sdim /* Flush everything out, we'll be doing GTT only from now on */ 76234353Sdim ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); 77234353Sdim if (ret) { 78234353Sdim DRM_ERROR("failed to pin fb: %d\n", ret); 79234353Sdim goto out_unref; 80234353Sdim } 81234353Sdim 82234353Sdim#if 0 83234353Sdim info = framebuffer_alloc(0, device); 84234353Sdim if (!info) { 85234353Sdim ret = -ENOMEM; 86234353Sdim goto out_unpin; 87234353Sdim } 88234353Sdim 89234353Sdim info->par = ifbdev; 90234353Sdim#else 91234353Sdim info = malloc(sizeof(struct fb_info), DRM_MEM_KMS, M_WAITOK | M_ZERO); 92234353Sdim info->fb_size = size; 93263508Sdim info->fb_bpp = sizes->surface_bpp; 94263508Sdim info->fb_width = sizes->fb_width; 95263508Sdim info->fb_height = sizes->fb_height; 96239462Sdim info->fb_pbase = dev->agp->base + obj->gtt_offset; 97193323Sed info->fb_vbase = (vm_offset_t)pmap_mapdev_attr(info->fb_pbase, size, 98193323Sed PAT_WRITE_COMBINING); 99239462Sdim 100239462Sdim#endif 101193323Sed 102204642Srdivacky ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj); 103263508Sdim if (ret) 104204642Srdivacky goto out_unpin; 105239462Sdim 106263508Sdim fb = &ifbdev->ifb.base; 107263508Sdim 108263508Sdim ifbdev->helper.fb = fb; 109263508Sdim ifbdev->helper.fbdev = info; 110193323Sed#if 0 111193323Sed 112239462Sdim strcpy(info->fix.id, "inteldrmfb"); 113239462Sdim 114193323Sed info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; 115193323Sed info->fbops = &intelfb_ops; 116239462Sdim 117239462Sdim ret = fb_alloc_cmap(&info->cmap, 256, 0); 118193323Sed if (ret) { 119193323Sed ret = -ENOMEM; 120239462Sdim goto out_unpin; 121263508Sdim } 122263508Sdim /* setup aperture base/size for vesafb takeover */ 123263508Sdim info->apertures = alloc_apertures(1); 124263508Sdim if (!info->apertures) { 125263508Sdim ret = -ENOMEM; 126193323Sed goto out_unpin; 127207618Srdivacky } 128263508Sdim info->apertures->ranges[0].base = dev->mode_config.fb_base; 129263508Sdim info->apertures->ranges[0].size = 130263508Sdim dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; 131263508Sdim 132263508Sdim info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset; 133263508Sdim info->fix.smem_len = size; 134239462Sdim 135239462Sdim info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size); 136239462Sdim if (!info->screen_base) { 137239462Sdim ret = -ENOSPC; 138207618Srdivacky goto out_unpin; 139212904Sdim } 140263508Sdim info->screen_size = size; 141263508Sdim 142263508Sdim// memset(info->screen_base, 0, size); 143263508Sdim 144193323Sed drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); 145218893Sdim drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); 146218893Sdim 147218893Sdim /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ 148218893Sdim#endif 149221345Sdim DRM_DEBUG_KMS("allocated %dx%d (s %dbits) fb: 0x%08x, bo %p\n", 150221345Sdim fb->width, fb->height, fb->depth, 151221345Sdim obj->gtt_offset, obj); 152221345Sdim 153221345Sdim DRM_UNLOCK(dev); 154218893Sdim#if 1 155243830Sdim KIB_NOTYET(); 156243830Sdim#else 157243830Sdim vga_switcheroo_client_fb_set(dev->pdev, info); 158243830Sdim#endif 159243830Sdim return 0; 160243830Sdim 161243830Sdimout_unpin: 162243830Sdim i915_gem_object_unpin(obj); 163263508Sdimout_unref: 164243830Sdim drm_gem_object_unreference(&obj->base); 165243830Sdim DRM_UNLOCK(dev); 166243830Sdimout: 167243830Sdim return ret; 168243830Sdim} 169243830Sdim 170243830Sdimstatic int intel_fb_find_or_create_single(struct drm_fb_helper *helper, 171243830Sdim struct drm_fb_helper_surface_size *sizes) 172243830Sdim{ 173243830Sdim struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper; 174243830Sdim int new_fb = 0; 175239462Sdim int ret; 176239462Sdim 177193323Sed if (!helper->fb) { 178193323Sed ret = intelfb_create(ifbdev, sizes); 179239462Sdim if (ret) 180239462Sdim return ret; 181218893Sdim new_fb = 1; 182218893Sdim } 183193323Sed return new_fb; 184193323Sed} 185198892Srdivacky 186239462Sdimstatic struct drm_fb_helper_funcs intel_fb_helper_funcs = { 187193323Sed .gamma_set = intel_crtc_fb_gamma_set, 188193323Sed .gamma_get = intel_crtc_fb_gamma_get, 189198892Srdivacky .fb_probe = intel_fb_find_or_create_single, 190198892Srdivacky}; 191239462Sdim 192198892Srdivackystatic void intel_fbdev_destroy(struct drm_device *dev, 193212904Sdim struct intel_fbdev *ifbdev) 194198892Srdivacky{ 195198892Srdivacky#if 0 196239462Sdim struct fb_info *info; 197198892Srdivacky#endif 198198892Srdivacky struct intel_framebuffer *ifb = &ifbdev->ifb; 199198892Srdivacky 200198892Srdivacky#if 0 201239462Sdim if (ifbdev->helper.fbdev) { 202212904Sdim info = ifbdev->helper.fbdev; 203198892Srdivacky unregister_framebuffer(info); 204198892Srdivacky iounmap(info->screen_base); 205198892Srdivacky if (info->cmap.len) 206239462Sdim fb_dealloc_cmap(&info->cmap); 207212904Sdim framebuffer_release(info); 208198892Srdivacky } 209263508Sdim#endif 210212904Sdim 211263508Sdim drm_fb_helper_fini(&ifbdev->helper); 212212904Sdim 213212904Sdim drm_framebuffer_cleanup(&ifb->base); 214263508Sdim if (ifb->obj) { 215212904Sdim drm_gem_object_unreference_unlocked(&ifb->obj->base); 216263508Sdim ifb->obj = NULL; 217212904Sdim } 218212904Sdim} 219198892Srdivacky 220239462Sdim#ifdef DEV_SC 221198892Srdivackyextern int sc_txtmouse_no_retrace_wait; 222198892Srdivacky#endif 223249423Sdim 224249423Sdimint intel_fbdev_init(struct drm_device *dev) 225249423Sdim{ 226249423Sdim struct intel_fbdev *ifbdev; 227249423Sdim drm_i915_private_t *dev_priv = dev->dev_private; 228249423Sdim int ret; 229249423Sdim 230199481Srdivacky ifbdev = malloc(sizeof(struct intel_fbdev), DRM_MEM_KMS, 231239462Sdim M_WAITOK | M_ZERO); 232198892Srdivacky 233198892Srdivacky dev_priv->fbdev = ifbdev; 234263508Sdim ifbdev->helper.funcs = &intel_fb_helper_funcs; 235263508Sdim 236263508Sdim ret = drm_fb_helper_init(dev, &ifbdev->helper, 237263508Sdim dev_priv->num_pipe, 238263508Sdim INTELFB_CONN_LIMIT); 239263508Sdim if (ret) { 240193323Sed free(ifbdev, DRM_MEM_KMS); 241239462Sdim return ret; 242193323Sed } 243193323Sed 244193323Sed drm_fb_helper_single_add_all_connectors(&ifbdev->helper); 245239462Sdim drm_fb_helper_initial_config(&ifbdev->helper, 32); 246193323Sed#ifdef DEV_SC 247193323Sed sc_txtmouse_no_retrace_wait = 1; 248198892Srdivacky#endif 249198892Srdivacky return 0; 250239462Sdim} 251198892Srdivacky 252198892Srdivackyvoid intel_fbdev_fini(struct drm_device *dev) 253206083Srdivacky{ 254193323Sed drm_i915_private_t *dev_priv = dev->dev_private; 255193323Sed if (!dev_priv->fbdev) 256193323Sed return; 257193323Sed 258193323Sed intel_fbdev_destroy(dev, dev_priv->fbdev); 259193323Sed free(dev_priv->fbdev, DRM_MEM_KMS); 260193323Sed dev_priv->fbdev = NULL; 261193323Sed} 262198090Srdivacky 263193323Sedvoid intel_fb_output_poll_changed(struct drm_device *dev) 264234353Sdim{ 265234353Sdim drm_i915_private_t *dev_priv = dev->dev_private; 266234353Sdim drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper); 267234353Sdim} 268193323Sed 269239462Sdimvoid intel_fb_restore_mode(struct drm_device *dev) 270239462Sdim{ 271239462Sdim int ret; 272239462Sdim drm_i915_private_t *dev_priv = dev->dev_private; 273234353Sdim struct drm_mode_config *config = &dev->mode_config; 274234353Sdim struct drm_plane *plane; 275243830Sdim 276193323Sed sx_xlock(&dev->mode_config.mutex); 277234353Sdim 278234353Sdim ret = drm_fb_helper_restore_fbdev_mode(&dev_priv->fbdev->helper); 279234353Sdim if (ret) 280234353Sdim DRM_DEBUG("failed to restore crtc mode\n"); 281243830Sdim 282243830Sdim /* Be sure to shut off any planes that may be active */ 283243830Sdim list_for_each_entry(plane, &config->plane_list, head) 284193323Sed plane->funcs->disable_plane(plane); 285234353Sdim 286234353Sdim sx_xunlock(&dev->mode_config.mutex); 287234353Sdim} 288243830Sdim