summaryrefslogtreecommitdiff
path: root/sys/dev/drm2/radeon/radeon_fb.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/dev/drm2/radeon/radeon_fb.c')
-rw-r--r--sys/dev/drm2/radeon/radeon_fb.c405
1 files changed, 0 insertions, 405 deletions
diff --git a/sys/dev/drm2/radeon/radeon_fb.c b/sys/dev/drm2/radeon/radeon_fb.c
deleted file mode 100644
index 1ad00a0a93c10..0000000000000
--- a/sys/dev/drm2/radeon/radeon_fb.c
+++ /dev/null
@@ -1,405 +0,0 @@
-/*
- * Copyright © 2007 David Airlie
- *
- * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
- *
- * Authors:
- * David Airlie
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <machine/_inttypes.h>
-
-#include <dev/drm2/drmP.h>
-#include <dev/drm2/drm_crtc.h>
-#include <dev/drm2/drm_crtc_helper.h>
-#include <dev/drm2/radeon/radeon_drm.h>
-#include "radeon.h"
-
-#include <dev/drm2/drm_fb_helper.h>
-
-/* object hierarchy -
- this contains a helper + a radeon fb
- the helper contains a pointer to radeon framebuffer baseclass.
-*/
-struct radeon_fbdev {
- struct drm_fb_helper helper;
- struct radeon_framebuffer rfb;
- struct list_head fbdev_list;
- struct radeon_device *rdev;
-};
-
-#if defined(__linux__)
-static struct fb_ops radeonfb_ops = {
- .owner = THIS_MODULE,
- .fb_check_var = drm_fb_helper_check_var,
- .fb_set_par = drm_fb_helper_set_par,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_pan_display = drm_fb_helper_pan_display,
- .fb_blank = drm_fb_helper_blank,
- .fb_setcmap = drm_fb_helper_setcmap,
- .fb_debug_enter = drm_fb_helper_debug_enter,
- .fb_debug_leave = drm_fb_helper_debug_leave,
-};
-#endif
-
-
-int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled)
-{
- int aligned = width;
- int align_large = (ASIC_IS_AVIVO(rdev)) || tiled;
- int pitch_mask = 0;
-
- switch (bpp / 8) {
- case 1:
- pitch_mask = align_large ? 255 : 127;
- break;
- case 2:
- pitch_mask = align_large ? 127 : 31;
- break;
- case 3:
- case 4:
- pitch_mask = align_large ? 63 : 15;
- break;
- }
-
- aligned += pitch_mask;
- aligned &= ~pitch_mask;
- return aligned;
-}
-
-static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
-{
- struct radeon_bo *rbo = gem_to_radeon_bo(gobj);
- int ret;
-
- ret = radeon_bo_reserve(rbo, false);
- if (likely(ret == 0)) {
- radeon_bo_kunmap(rbo);
- radeon_bo_unpin(rbo);
- radeon_bo_unreserve(rbo);
- }
- drm_gem_object_unreference_unlocked(gobj);
-}
-
-static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
- struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object **gobj_p)
-{
- struct radeon_device *rdev = rfbdev->rdev;
- struct drm_gem_object *gobj = NULL;
- struct radeon_bo *rbo = NULL;
- bool fb_tiled = false; /* useful for testing */
- u32 tiling_flags = 0;
- int ret;
- int aligned_size, size;
- int height = mode_cmd->height;
- u32 bpp, depth;
-
- drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
-
- /* need to align pitch with crtc limits */
- mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, bpp,
- fb_tiled) * ((bpp + 1) / 8);
-
- if (rdev->family >= CHIP_R600)
- height = roundup2(mode_cmd->height, 8);
- size = mode_cmd->pitches[0] * height;
- aligned_size = roundup2(size, PAGE_SIZE);
- ret = radeon_gem_object_create(rdev, aligned_size, 0,
- RADEON_GEM_DOMAIN_VRAM,
- false, true,
- &gobj);
- if (ret) {
- DRM_ERROR("failed to allocate framebuffer (%d)\n",
- aligned_size);
- return -ENOMEM;
- }
- rbo = gem_to_radeon_bo(gobj);
-
- if (fb_tiled)
- tiling_flags = RADEON_TILING_MACRO;
-
-#ifdef __BIG_ENDIAN
- switch (bpp) {
- case 32:
- tiling_flags |= RADEON_TILING_SWAP_32BIT;
- break;
- case 16:
- tiling_flags |= RADEON_TILING_SWAP_16BIT;
- default:
- break;
- }
-#endif
-
- if (tiling_flags) {
- ret = radeon_bo_set_tiling_flags(rbo,
- tiling_flags | RADEON_TILING_SURFACE,
- mode_cmd->pitches[0]);
- if (ret)
- dev_err(rdev->dev, "FB failed to set tiling flags\n");
- }
-
-
- ret = radeon_bo_reserve(rbo, false);
- if (unlikely(ret != 0))
- goto out_unref;
- /* Only 27 bit offset for legacy CRTC */
- ret = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM,
- ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
- NULL);
- if (ret) {
- radeon_bo_unreserve(rbo);
- goto out_unref;
- }
- if (fb_tiled)
- radeon_bo_check_tiling(rbo, 0, 0);
- ret = radeon_bo_kmap(rbo, NULL);
- radeon_bo_unreserve(rbo);
- if (ret) {
- goto out_unref;
- }
-
- *gobj_p = gobj;
- return 0;
-out_unref:
- radeonfb_destroy_pinned_object(gobj);
- *gobj_p = NULL;
- return ret;
-}
-
-static int radeonfb_create(struct radeon_fbdev *rfbdev,
- struct drm_fb_helper_surface_size *sizes)
-{
- struct radeon_device *rdev = rfbdev->rdev;
- struct fb_info *info;
- struct drm_framebuffer *fb = NULL;
- struct drm_mode_fb_cmd2 mode_cmd;
- struct drm_gem_object *gobj = NULL;
- struct radeon_bo *rbo = NULL;
- int ret;
- unsigned long tmp;
-
- mode_cmd.width = sizes->surface_width;
- mode_cmd.height = sizes->surface_height;
-
- /* avivo can't scanout real 24bpp */
- if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
- sizes->surface_bpp = 32;
-
- mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
- sizes->surface_depth);
-
- ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj);
- if (ret) {
- DRM_ERROR("failed to create fbcon object %d\n", ret);
- return ret;
- }
-
- rbo = gem_to_radeon_bo(gobj);
-
- /* okay we have an object now allocate the framebuffer */
- info = framebuffer_alloc();
- if (info == NULL) {
- ret = -ENOMEM;
- goto out_unref;
- }
-
- ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj);
- if (ret) {
- DRM_ERROR("failed to initialise framebuffer %d\n", ret);
- goto out_unref;
- }
-
- fb = &rfbdev->rfb.base;
-
- /* setup helper */
- rfbdev->helper.fb = fb;
- rfbdev->helper.fbdev = info;
-
- memset(rbo->kptr, 0x0, radeon_bo_size(rbo));
-
- drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
-
- tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start;
- info->fb_size = radeon_bo_size(rbo);
- info->fb_bpp = sizes->surface_bpp;
- info->fb_pbase = rdev->mc.aper_base + tmp;
- info->fb_vbase = (vm_offset_t)rbo->kptr;
-
- drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
-
- DRM_INFO("fb mappable at 0x%" PRIXPTR "\n", info->fb_pbase);
- DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base);
- DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo));
- DRM_INFO("fb depth is %d\n", fb->depth);
- DRM_INFO(" pitch is %d\n", fb->pitches[0]);
-
- return 0;
-
-out_unref:
- if (rbo) {
- /* TODO? dumbbell@ */
- }
- if (fb && ret) {
- drm_gem_object_unreference(gobj);
- drm_framebuffer_cleanup(fb);
- free(fb, DRM_MEM_DRIVER); /* XXX malloc'd in radeon_user_framebuffer_create? */
- }
- return ret;
-}
-
-static int radeon_fb_find_or_create_single(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size *sizes)
-{
- struct radeon_fbdev *rfbdev = (struct radeon_fbdev *)helper;
- int new_fb = 0;
- int ret;
-
- if (!helper->fb) {
- ret = radeonfb_create(rfbdev, sizes);
- if (ret)
- return ret;
- new_fb = 1;
- }
- return new_fb;
-}
-
-void radeon_fb_output_poll_changed(struct radeon_device *rdev)
-{
- drm_fb_helper_hotplug_event(&rdev->mode_info.rfbdev->helper);
-}
-
-static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
-{
- struct fb_info *info;
- struct radeon_framebuffer *rfb = &rfbdev->rfb;
-
- if (rfbdev->helper.fbdev) {
- info = rfbdev->helper.fbdev;
- if (info->fb_fbd_dev != NULL)
- device_delete_child(dev->dev, info->fb_fbd_dev);
- framebuffer_release(info);
- }
-
- if (rfb->obj) {
- radeonfb_destroy_pinned_object(rfb->obj);
- rfb->obj = NULL;
- }
- drm_fb_helper_fini(&rfbdev->helper);
- drm_framebuffer_cleanup(&rfb->base);
-
- return 0;
-}
-
-static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
- .gamma_set = radeon_crtc_fb_gamma_set,
- .gamma_get = radeon_crtc_fb_gamma_get,
- .fb_probe = radeon_fb_find_or_create_single,
-};
-
-int radeon_fbdev_init(struct radeon_device *rdev)
-{
- struct radeon_fbdev *rfbdev;
- int bpp_sel = 32;
- int ret;
-
- /* select 8 bpp console on RN50 or 16MB cards */
- if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
- bpp_sel = 8;
-
- rfbdev = malloc(sizeof(struct radeon_fbdev),
- DRM_MEM_DRIVER, M_NOWAIT | M_ZERO);
- if (!rfbdev)
- return -ENOMEM;
-
- rfbdev->rdev = rdev;
- rdev->mode_info.rfbdev = rfbdev;
- rfbdev->helper.funcs = &radeon_fb_helper_funcs;
-
- ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
- rdev->num_crtc,
- RADEONFB_CONN_LIMIT);
- if (ret) {
- free(rfbdev, DRM_MEM_DRIVER);
- return ret;
- }
-
- drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
- drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
- return 0;
-}
-
-void radeon_fbdev_fini(struct radeon_device *rdev)
-{
- if (!rdev->mode_info.rfbdev)
- return;
-
- radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev);
- free(rdev->mode_info.rfbdev, DRM_MEM_DRIVER);
- rdev->mode_info.rfbdev = NULL;
-}
-
-void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
-{
-#ifdef FREEBSD_WIP
- fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state);
-#endif /* FREEBSD_WIP */
-}
-
-int radeon_fbdev_total_size(struct radeon_device *rdev)
-{
- struct radeon_bo *robj;
- int size = 0;
-
- robj = gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj);
- size += radeon_bo_size(robj);
- return size;
-}
-
-bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
-{
- if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj))
- return true;
- return false;
-}
-
-struct fb_info *
-radeon_fb_helper_getinfo(device_t kdev)
-{
- struct drm_device *dev;
- struct radeon_device *rdev;
- struct radeon_fbdev *rfbdev;
- struct fb_info *info;
-
- dev = device_get_softc(kdev);
- rdev = dev->dev_private;
- rfbdev = rdev->mode_info.rfbdev;
- if (rfbdev == NULL)
- return (NULL);
-
- info = rfbdev->helper.fbdev;
-
- return (info);
-}