* Authors:
* David Airlie
*/
- /*
- * Modularization
- */
-
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/fb.h>
#include <linux/vga_switcheroo.h>
-struct radeon_fb_device {
+/* 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 radeon_device *rdev;
+ struct radeon_framebuffer rfb;
+ struct list_head fbdev_list;
+ struct radeon_device *rdev;
};
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_setcolreg = drm_fb_helper_setcolreg,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_setcmap = drm_fb_helper_setcmap,
};
-/**
- * Currently it is assumed that the old framebuffer is reused.
- *
- * LOCKING
- * caller should hold the mode config lock.
- *
- */
-int radeonfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
-{
- struct fb_info *info;
- struct drm_framebuffer *fb;
- struct drm_display_mode *mode = crtc->desired_mode;
-
- fb = crtc->fb;
- if (fb == NULL) {
- return 1;
- }
- info = fb->fbdev;
- if (info == NULL) {
- return 1;
- }
- if (mode == NULL) {
- return 1;
- }
- info->var.xres = mode->hdisplay;
- info->var.right_margin = mode->hsync_start - mode->hdisplay;
- info->var.hsync_len = mode->hsync_end - mode->hsync_start;
- info->var.left_margin = mode->htotal - mode->hsync_end;
- info->var.yres = mode->vdisplay;
- info->var.lower_margin = mode->vsync_start - mode->vdisplay;
- info->var.vsync_len = mode->vsync_end - mode->vsync_start;
- info->var.upper_margin = mode->vtotal - mode->vsync_end;
- info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100;
- /* avoid overflow */
- info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
-
- return 0;
-}
-EXPORT_SYMBOL(radeonfb_resize);
static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled)
{
return aligned;
}
-static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
- .gamma_set = radeon_crtc_fb_gamma_set,
- .gamma_get = radeon_crtc_fb_gamma_get,
-};
+static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
+{
+ struct radeon_bo *rbo = gobj->driver_private;
+ int ret;
+
+ ret = radeon_bo_reserve(rbo, false);
+ if (likely(ret == 0)) {
+ radeon_bo_kunmap(rbo);
+ radeon_bo_unreserve(rbo);
+ }
+ drm_gem_object_unreference_unlocked(gobj);
+}
-int radeonfb_create(struct drm_device *dev,
- uint32_t fb_width, uint32_t fb_height,
- uint32_t surface_width, uint32_t surface_height,
- uint32_t surface_depth, uint32_t surface_bpp,
- struct drm_framebuffer **fb_p)
+static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
+ struct drm_mode_fb_cmd *mode_cmd,
+ struct drm_gem_object **gobj_p)
{
- struct radeon_device *rdev = dev->dev_private;
- struct fb_info *info;
- struct radeon_fb_device *rfbdev;
- struct drm_framebuffer *fb = NULL;
- struct radeon_framebuffer *rfb;
- struct drm_mode_fb_cmd mode_cmd;
+ struct radeon_device *rdev = rfbdev->rdev;
struct drm_gem_object *gobj = NULL;
struct radeon_bo *rbo = NULL;
- struct device *device = &rdev->pdev->dev;
- int size, aligned_size, ret;
- u64 fb_gpuaddr;
- void *fbptr = NULL;
- unsigned long tmp;
bool fb_tiled = false; /* useful for testing */
u32 tiling_flags = 0;
+ int ret;
+ int aligned_size, size;
- mode_cmd.width = surface_width;
- mode_cmd.height = surface_height;
-
- /* avivo can't scanout real 24bpp */
- if ((surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
- surface_bpp = 32;
-
- mode_cmd.bpp = surface_bpp;
/* need to align pitch with crtc limits */
- mode_cmd.pitch = radeon_align_pitch(rdev, mode_cmd.width, mode_cmd.bpp, fb_tiled) * ((mode_cmd.bpp + 1) / 8);
- mode_cmd.depth = surface_depth;
+ mode_cmd->pitch = radeon_align_pitch(rdev, mode_cmd->width, mode_cmd->bpp, fb_tiled) * ((mode_cmd->bpp + 1) / 8);
- size = mode_cmd.pitch * mode_cmd.height;
+ size = mode_cmd->pitch * mode_cmd->height;
aligned_size = ALIGN(size, PAGE_SIZE);
-
ret = radeon_gem_object_create(rdev, aligned_size, 0,
- RADEON_GEM_DOMAIN_VRAM,
- false, ttm_bo_type_kernel,
- &gobj);
+ RADEON_GEM_DOMAIN_VRAM,
+ false, ttm_bo_type_kernel,
+ &gobj);
if (ret) {
- printk(KERN_ERR "failed to allocate framebuffer (%d %d)\n",
- surface_width, surface_height);
- ret = -ENOMEM;
- goto out;
+ printk(KERN_ERR "failed to allocate framebuffer (%d)\n",
+ aligned_size);
+ return -ENOMEM;
}
rbo = gobj->driver_private;
tiling_flags = RADEON_TILING_MACRO;
#ifdef __BIG_ENDIAN
- switch (mode_cmd.bpp) {
+ switch (mode_cmd->bpp) {
case 32:
tiling_flags |= RADEON_TILING_SWAP_32BIT;
break;
if (tiling_flags) {
ret = radeon_bo_set_tiling_flags(rbo,
- tiling_flags | RADEON_TILING_SURFACE,
- mode_cmd.pitch);
+ tiling_flags | RADEON_TILING_SURFACE,
+ mode_cmd->pitch);
if (ret)
dev_err(rdev->dev, "FB failed to set tiling flags\n");
}
- mutex_lock(&rdev->ddev->struct_mutex);
- fb = radeon_framebuffer_create(rdev->ddev, &mode_cmd, gobj);
- if (fb == NULL) {
- DRM_ERROR("failed to allocate fb.\n");
- ret = -ENOMEM;
- goto out_unref;
- }
+
+
ret = radeon_bo_reserve(rbo, false);
if (unlikely(ret != 0))
goto out_unref;
- ret = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_gpuaddr);
+ ret = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, 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, &fbptr);
+ ret = radeon_bo_kmap(rbo, NULL);
radeon_bo_unreserve(rbo);
if (ret) {
goto out_unref;
}
- list_add(&fb->filp_head, &rdev->ddev->mode_config.fb_kernel_list);
+ *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_cmd mode_cmd;
+ struct drm_gem_object *gobj = NULL;
+ struct radeon_bo *rbo = NULL;
+ struct device *device = &rdev->pdev->dev;
+ 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.bpp = sizes->surface_bpp;
+ mode_cmd.depth = sizes->surface_depth;
- *fb_p = fb;
- rfb = to_radeon_framebuffer(fb);
- rdev->fbdev_rfb = rfb;
- rdev->fbdev_rbo = rbo;
+ ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj);
+ rbo = gobj->driver_private;
- info = framebuffer_alloc(sizeof(struct radeon_fb_device), device);
+ /* okay we have an object now allocate the framebuffer */
+ info = framebuffer_alloc(0, device);
if (info == NULL) {
ret = -ENOMEM;
goto out_unref;
}
- rdev->fbdev_info = info;
- rfbdev = info->par;
- rfbdev->helper.funcs = &radeon_fb_helper_funcs;
- rfbdev->helper.dev = dev;
- ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, rdev->num_crtc,
- RADEONFB_CONN_LIMIT);
- if (ret)
- goto out_unref;
+ info->par = rfbdev;
- memset_io(fbptr, 0x0, aligned_size);
+ radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj);
+
+ fb = &rfbdev->rfb.base;
+
+ /* setup helper */
+ rfbdev->helper.fb = fb;
+ rfbdev->helper.fbdev = info;
+
+ memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo));
strcpy(info->fix.id, "radeondrmfb");
info->flags = FBINFO_DEFAULT;
info->fbops = &radeonfb_ops;
- tmp = fb_gpuaddr - rdev->mc.vram_start;
+ tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start;
info->fix.smem_start = rdev->mc.aper_base + tmp;
- info->fix.smem_len = size;
- info->screen_base = fbptr;
- info->screen_size = size;
+ info->fix.smem_len = radeon_bo_size(rbo);
+ info->screen_base = rbo->kptr;
+ info->screen_size = radeon_bo_size(rbo);
- drm_fb_helper_fill_var(info, fb, fb_width, fb_height);
+ drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
/* setup aperture base/size for vesafb takeover */
info->aperture_base = rdev->ddev->mode_config.fb_base;
info->pixmap.access_align = 32;
info->pixmap.flags = FB_PIXMAP_SYSTEM;
info->pixmap.scan_align = 1;
+
if (info->screen_base == NULL) {
ret = -ENOSPC;
goto out_unref;
}
+
+ ret = fb_alloc_cmap(&info->cmap, 256, 0);
+ if (ret) {
+ ret = -ENOMEM;
+ goto out_unref;
+ }
+
DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start);
DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base);
- DRM_INFO("size %lu\n", (unsigned long)size);
+ 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->pitch);
- fb->fbdev = info;
- rfbdev->rfb = rfb;
- rfbdev->rdev = rdev;
-
- mutex_unlock(&rdev->ddev->struct_mutex);
vga_switcheroo_client_fb_set(rdev->ddev->pdev, info);
return 0;
out_unref:
if (rbo) {
- ret = radeon_bo_reserve(rbo, false);
- if (likely(ret == 0)) {
- radeon_bo_kunmap(rbo);
- radeon_bo_unreserve(rbo);
- }
+
}
if (fb && ret) {
- list_del(&fb->filp_head);
drm_gem_object_unreference(gobj);
drm_framebuffer_cleanup(fb);
kfree(fb);
}
- drm_gem_object_unreference(gobj);
- mutex_unlock(&rdev->ddev->struct_mutex);
-out:
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;
+}
+
static char *mode_option;
int radeon_parse_options(char *options)
{
return 0;
}
-int radeonfb_probe(struct drm_device *dev)
+void radeonfb_hotplug(struct drm_device *dev, bool polled)
{
struct radeon_device *rdev = dev->dev_private;
- int bpp_sel = 32;
- /* 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;
+ drm_helper_fb_hpd_irq_event(&rdev->mode_info.rfbdev->helper);
+}
- return drm_fb_helper_single_fb_probe(dev, bpp_sel, &radeonfb_create);
+static void radeon_fb_output_status_changed(struct drm_fb_helper *fb_helper)
+{
+ drm_helper_fb_hotplug_event(fb_helper, true);
}
-int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
{
struct fb_info *info;
- struct radeon_framebuffer *rfb = to_radeon_framebuffer(fb);
+ struct radeon_framebuffer *rfb = &rfbdev->rfb;
struct radeon_bo *rbo;
int r;
- if (!fb) {
- return -EINVAL;
+ if (rfbdev->helper.fbdev) {
+ info = rfbdev->helper.fbdev;
+
+ unregister_framebuffer(info);
+ if (info->cmap.len)
+ fb_dealloc_cmap(&info->cmap);
+ framebuffer_release(info);
}
- info = fb->fbdev;
- if (info) {
- struct radeon_fb_device *rfbdev = info->par;
+
+ if (rfb->obj) {
rbo = rfb->obj->driver_private;
- unregister_framebuffer(info);
r = radeon_bo_reserve(rbo, false);
if (likely(r == 0)) {
radeon_bo_kunmap(rbo);
radeon_bo_unpin(rbo);
radeon_bo_unreserve(rbo);
}
- drm_fb_helper_free(&rfbdev->helper);
- framebuffer_release(info);
+ drm_gem_object_unreference_unlocked(rfb->obj);
}
+ drm_fb_helper_fini(&rfbdev->helper);
+ drm_framebuffer_cleanup(&rfb->base);
- printk(KERN_INFO "unregistered panic notifier\n");
+ 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,
+ .fb_output_status_changed = radeon_fb_output_status_changed,
+};
+
+int radeon_fbdev_init(struct radeon_device *rdev)
+{
+ struct radeon_fbdev *rfbdev;
+ int bpp_sel = 32;
+
+ /* 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 = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL);
+ if (!rfbdev)
+ return -ENOMEM;
+
+ rfbdev->rdev = rdev;
+ rdev->mode_info.rfbdev = rfbdev;
+ rfbdev->helper.funcs = &radeon_fb_helper_funcs;
+
+ drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
+ rdev->num_crtc,
+ RADEONFB_CONN_LIMIT, true);
+ 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);
+ kfree(rdev->mode_info.rfbdev);
+ rdev->mode_info.rfbdev = NULL;
+}
+
+void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
+{
+ fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state);
+}
+
+int radeon_fbdev_total_size(struct radeon_device *rdev)
+{
+ struct radeon_bo *robj;
+ int size = 0;
+
+ robj = rdev->mode_info.rfbdev->rfb.obj->driver_private;
+ size += radeon_bo_size(robj);
+ return size;
+}
+
+bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
+{
+ if (robj == rdev->mode_info.rfbdev->rfb.obj->driver_private)
+ return true;
+ return false;
}
-EXPORT_SYMBOL(radeonfb_remove);
-MODULE_LICENSE("GPL");
git.openpandora.org / pandora-kernel.git / blobdiff