| /************************************************************************** |
| * Copyright (c) 2007, Intel Corporation. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| **************************************************************************/ |
| |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/errno.h> |
| #include <linux/string.h> |
| #include <linux/mm.h> |
| #include <linux/tty.h> |
| #include <linux/slab.h> |
| #include <linux/delay.h> |
| #include <linux/fb.h> |
| #include <linux/init.h> |
| #include <linux/console.h> |
| |
| #include <drm/drmP.h> |
| #include <drm/drm.h> |
| #include <drm/drm_crtc.h> |
| |
| #include "psb_drv.h" |
| #include "psb_intel_reg.h" |
| #include "psb_intel_drv.h" |
| #include "psb_ttm_userobj_api.h" |
| #include "psb_fb.h" |
| #include "psb_sgx.h" |
| #include "psb_pvr_glue.h" |
| |
| static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb); |
| static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, |
| struct drm_file *file_priv, |
| unsigned int *handle); |
| |
| static const struct drm_framebuffer_funcs psb_fb_funcs = { |
| .destroy = psb_user_framebuffer_destroy, |
| .create_handle = psb_user_framebuffer_create_handle, |
| }; |
| |
| #define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) |
| |
| void *psbfb_vdc_reg(struct drm_device *dev) |
| { |
| struct drm_psb_private *dev_priv; |
| dev_priv = (struct drm_psb_private *) dev->dev_private; |
| return dev_priv->vdc_reg; |
| } |
| /*EXPORT_SYMBOL(psbfb_vdc_reg); */ |
| |
| static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, |
| unsigned blue, unsigned transp, |
| struct fb_info *info) |
| { |
| struct psb_fbdev *fbdev = info->par; |
| struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; |
| uint32_t v; |
| |
| if (!fb) |
| return -ENOMEM; |
| |
| if (regno > 255) |
| return 1; |
| |
| red = CMAP_TOHW(red, info->var.red.length); |
| blue = CMAP_TOHW(blue, info->var.blue.length); |
| green = CMAP_TOHW(green, info->var.green.length); |
| transp = CMAP_TOHW(transp, info->var.transp.length); |
| |
| v = (red << info->var.red.offset) | |
| (green << info->var.green.offset) | |
| (blue << info->var.blue.offset) | |
| (transp << info->var.transp.offset); |
| |
| if (regno < 16) { |
| switch (fb->bits_per_pixel) { |
| case 16: |
| ((uint32_t *) info->pseudo_palette)[regno] = v; |
| break; |
| case 24: |
| case 32: |
| ((uint32_t *) info->pseudo_palette)[regno] = v; |
| break; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int psbfb_kms_off(struct drm_device *dev, int suspend) |
| { |
| struct drm_framebuffer *fb = 0; |
| struct psb_framebuffer *psbfb = to_psb_fb(fb); |
| DRM_DEBUG("psbfb_kms_off_ioctl\n"); |
| |
| mutex_lock(&dev->mode_config.mutex); |
| list_for_each_entry(fb, &dev->mode_config.fb_list, head) { |
| struct fb_info *info = psbfb->fbdev; |
| |
| if (suspend) { |
| fb_set_suspend(info, 1); |
| drm_fb_helper_blank(FB_BLANK_POWERDOWN, info); |
| } |
| } |
| mutex_unlock(&dev->mode_config.mutex); |
| return 0; |
| } |
| |
| int psbfb_kms_off_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| int ret; |
| |
| if (drm_psb_no_fb) |
| return 0; |
| console_lock(); |
| ret = psbfb_kms_off(dev, 0); |
| console_unlock(); |
| |
| return ret; |
| } |
| |
| static int psbfb_kms_on(struct drm_device *dev, int resume) |
| { |
| struct drm_framebuffer *fb = 0; |
| struct psb_framebuffer *psbfb = to_psb_fb(fb); |
| |
| DRM_DEBUG("psbfb_kms_on_ioctl\n"); |
| |
| mutex_lock(&dev->mode_config.mutex); |
| list_for_each_entry(fb, &dev->mode_config.fb_list, head) { |
| struct fb_info *info = psbfb->fbdev; |
| |
| if (resume) { |
| fb_set_suspend(info, 0); |
| drm_fb_helper_blank(FB_BLANK_UNBLANK, info); |
| } |
| } |
| mutex_unlock(&dev->mode_config.mutex); |
| |
| return 0; |
| } |
| |
| int psbfb_kms_on_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| int ret; |
| |
| if (drm_psb_no_fb) |
| return 0; |
| console_lock(); |
| ret = psbfb_kms_on(dev, 0); |
| console_unlock(); |
| drm_helper_disable_unused_functions(dev); |
| return ret; |
| } |
| |
| void psbfb_suspend(struct drm_device *dev) |
| { |
| console_lock(); |
| psbfb_kms_off(dev, 1); |
| console_unlock(); |
| } |
| |
| void psbfb_resume(struct drm_device *dev) |
| { |
| console_lock(); |
| psbfb_kms_on(dev, 1); |
| console_unlock(); |
| drm_helper_disable_unused_functions(dev); |
| } |
| |
| static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) |
| { |
| int page_num = 0; |
| int i; |
| unsigned long address = 0; |
| int ret; |
| unsigned long pfn; |
| struct psb_framebuffer *psbfb = vma->vm_private_data; |
| struct drm_device *dev = psbfb->base.dev; |
| struct drm_psb_private *dev_priv = dev->dev_private; |
| struct psb_gtt *pg = dev_priv->pg; |
| unsigned long phys_addr = (unsigned long)pg->stolen_base;; |
| |
| page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; |
| |
| address = (unsigned long)vmf->virtual_address; |
| |
| vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
| |
| for (i = 0; i < page_num; i++) { |
| pfn = (phys_addr >> PAGE_SHIFT); /* phys_to_pfn(phys_addr); */ |
| |
| ret = vm_insert_mixed(vma, address, pfn); |
| if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) |
| break; |
| else if (unlikely(ret != 0)) { |
| ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; |
| return ret; |
| } |
| |
| address += PAGE_SIZE; |
| phys_addr += PAGE_SIZE; |
| } |
| |
| return VM_FAULT_NOPAGE; |
| } |
| |
| static void psbfb_vm_open(struct vm_area_struct *vma) |
| { |
| DRM_DEBUG("vm_open\n"); |
| } |
| |
| static void psbfb_vm_close(struct vm_area_struct *vma) |
| { |
| DRM_DEBUG("vm_close\n"); |
| } |
| |
| static struct vm_operations_struct psbfb_vm_ops = { |
| .fault = psbfb_vm_fault, |
| .open = psbfb_vm_open, |
| .close = psbfb_vm_close |
| }; |
| |
| static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) |
| { |
| struct psb_fbdev *fbdev = info->par; |
| struct psb_framebuffer *psbfb = fbdev->pfb; |
| char *fb_screen_base = NULL; |
| struct drm_device *dev = psbfb->base.dev; |
| struct drm_psb_private *dev_priv = dev->dev_private; |
| struct psb_gtt *pg = dev_priv->pg; |
| |
| if (vma->vm_pgoff != 0) |
| return -EINVAL; |
| if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) |
| return -EINVAL; |
| |
| if (!psbfb->addr_space) |
| psbfb->addr_space = vma->vm_file->f_mapping; |
| |
| fb_screen_base = (char *)info->screen_base; |
| |
| DRM_DEBUG("vm_pgoff 0x%lx, screen base %p vram_addr %p\n", |
| vma->vm_pgoff, fb_screen_base, pg->vram_addr); |
| |
| /*if using stolen memory, */ |
| if (fb_screen_base == pg->vram_addr) { |
| vma->vm_ops = &psbfb_vm_ops; |
| vma->vm_private_data = (void *)psbfb; |
| vma->vm_flags |= VM_RESERVED | VM_IO | |
| VM_MIXEDMAP | VM_DONTEXPAND; |
| } else { |
| /*using IMG meminfo, can I use pvrmmap to map it?*/ |
| |
| } |
| |
| return 0; |
| } |
| |
| |
| static struct fb_ops psbfb_ops = { |
| .owner = THIS_MODULE, |
| .fb_check_var = drm_fb_helper_check_var, |
| .fb_set_par = drm_fb_helper_set_par, |
| .fb_blank = drm_fb_helper_blank, |
| .fb_setcolreg = psbfb_setcolreg, |
| .fb_fillrect = psbfb_fillrect, |
| .fb_copyarea = psbfb_copyarea, |
| .fb_imageblit = psbfb_imageblit, |
| .fb_mmap = psbfb_mmap, |
| .fb_sync = psbfb_sync, |
| }; |
| |
| static struct drm_framebuffer *psb_framebuffer_create |
| (struct drm_device *dev, struct drm_mode_fb_cmd *r, |
| void *mm_private) |
| { |
| struct psb_framebuffer *fb; |
| int ret; |
| |
| fb = kzalloc(sizeof(*fb), GFP_KERNEL); |
| if (!fb) |
| return NULL; |
| |
| ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); |
| |
| if (ret) |
| goto err; |
| |
| drm_helper_mode_fill_fb_struct(&fb->base, r); |
| |
| fb->bo = mm_private; |
| |
| return &fb->base; |
| |
| err: |
| kfree(fb); |
| return NULL; |
| } |
| |
| static struct drm_framebuffer *psb_user_framebuffer_create |
| (struct drm_device *dev, struct drm_file *filp, |
| struct drm_mode_fb_cmd *r) |
| { |
| struct ttm_buffer_object *bo = NULL; |
| uint64_t size; |
| |
| bo = ttm_buffer_object_lookup(psb_fpriv(filp)->tfile, r->handle); |
| if (!bo) |
| return NULL; |
| |
| /* JB: TODO not drop, make smarter */ |
| size = ((uint64_t) bo->num_pages) << PAGE_SHIFT; |
| if (size < r->width * r->height * 4) |
| return NULL; |
| |
| /* JB: TODO not drop, refcount buffer */ |
| return psb_framebuffer_create(dev, r, bo); |
| |
| #if 0 |
| struct psb_framebuffer *psbfb; |
| struct drm_framebuffer *fb; |
| struct fb_info *info; |
| void *psKernelMemInfo = NULL; |
| void * hKernelMemInfo = (void *)r->handle; |
| struct drm_psb_private *dev_priv |
| = (struct drm_psb_private *)dev->dev_private; |
| struct psb_fbdev *fbdev = dev_priv->fbdev; |
| struct psb_gtt *pg = dev_priv->pg; |
| int ret; |
| uint32_t offset; |
| uint64_t size; |
| |
| ret = psb_get_meminfo_by_handle(hKernelMemInfo, &psKernelMemInfo); |
| if (ret) { |
| DRM_ERROR("Cannot get meminfo for handle 0x%x\n", |
| (u32)hKernelMemInfo); |
| return NULL; |
| } |
| |
| DRM_DEBUG("Got Kernel MemInfo for handle %lx\n", |
| (u32)hKernelMemInfo); |
| |
| /* JB: TODO not drop, make smarter */ |
| size = psKernelMemInfo->ui32AllocSize; |
| if (size < r->height * r->pitch) |
| return NULL; |
| |
| /* JB: TODO not drop, refcount buffer */ |
| /* return psb_framebuffer_create(dev, r, bo); */ |
| |
| fb = psb_framebuffer_create(dev, r, (void *)psKernelMemInfo); |
| if (!fb) { |
| DRM_ERROR("failed to allocate fb.\n"); |
| return NULL; |
| } |
| |
| psbfb = to_psb_fb(fb); |
| psbfb->size = size; |
| psbfb->hKernelMemInfo = hKernelMemInfo; |
| |
| DRM_DEBUG("Mapping to gtt..., KernelMemInfo %p\n", psKernelMemInfo); |
| |
| /*if not VRAM, map it into tt aperture*/ |
| if (psKernelMemInfo->pvLinAddrKM != pg->vram_addr) { |
| ret = psb_gtt_map_meminfo(dev, hKernelMemInfo, &offset); |
| if (ret) { |
| DRM_ERROR("map meminfo for 0x%x failed\n", |
| (u32)hKernelMemInfo); |
| return NULL; |
| } |
| psbfb->offset = (offset << PAGE_SHIFT); |
| } else { |
| psbfb->offset = 0; |
| } |
| info = framebuffer_alloc(0, &dev->pdev->dev); |
| if (!info) |
| return NULL; |
| |
| strcpy(info->fix.id, "psbfb"); |
| |
| info->flags = FBINFO_DEFAULT; |
| info->fix.accel = FB_ACCEL_I830; /*FIXMEAC*/ |
| info->fbops = &psbfb_ops; |
| |
| info->fix.smem_start = dev->mode_config.fb_base; |
| info->fix.smem_len = size; |
| |
| info->screen_base = psKernelMemInfo->pvLinAddrKM; |
| info->screen_size = size; |
| |
| drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); |
| drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, |
| fb->width, fb->height); |
| |
| info->fix.mmio_start = pci_resource_start(dev->pdev, 0); |
| info->fix.mmio_len = pci_resource_len(dev->pdev, 0); |
| |
| info->pixmap.size = 64 * 1024; |
| info->pixmap.buf_align = 8; |
| info->pixmap.access_align = 32; |
| info->pixmap.flags = FB_PIXMAP_SYSTEM; |
| info->pixmap.scan_align = 1; |
| |
| psbfb->fbdev = info; |
| fbdev->pfb = psbfb; |
| |
| fbdev->psb_fb_helper.fb = fb; |
| fbdev->psb_fb_helper.fbdev = info; |
| MRSTLFBHandleChangeFB(dev, psbfb); |
| |
| return fb; |
| #endif |
| } |
| |
| static int psbfb_create(struct psb_fbdev *fbdev, |
| struct drm_fb_helper_surface_size *sizes) |
| { |
| struct drm_device *dev = fbdev->psb_fb_helper.dev; |
| struct drm_psb_private *dev_priv = dev->dev_private; |
| struct psb_gtt *pg = dev_priv->pg; |
| struct fb_info *info; |
| struct drm_framebuffer *fb; |
| struct psb_framebuffer *psbfb; |
| struct drm_mode_fb_cmd mode_cmd; |
| struct device *device = &dev->pdev->dev; |
| |
| struct ttm_buffer_object *fbo = NULL; |
| int size, aligned_size; |
| int ret; |
| |
| mode_cmd.width = sizes->surface_width; |
| mode_cmd.height = sizes->surface_height; |
| |
| mode_cmd.bpp = 32; |
| /* HW requires pitch to be 64 byte aligned */ |
| mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64); |
| mode_cmd.depth = 24; |
| |
| size = mode_cmd.pitch * mode_cmd.height; |
| aligned_size = ALIGN(size, PAGE_SIZE); |
| |
| mutex_lock(&dev->struct_mutex); |
| fb = psb_framebuffer_create(dev, &mode_cmd, fbo); |
| if (!fb) { |
| DRM_ERROR("failed to allocate fb.\n"); |
| ret = -ENOMEM; |
| goto out_err1; |
| } |
| psbfb = to_psb_fb(fb); |
| psbfb->size = size; |
| |
| info = framebuffer_alloc(sizeof(struct psb_fbdev), device); |
| if (!info) { |
| ret = -ENOMEM; |
| goto out_err0; |
| } |
| |
| info->par = fbdev; |
| |
| psbfb->fbdev = info; |
| |
| fbdev->psb_fb_helper.fb = fb; |
| fbdev->psb_fb_helper.fbdev = info; |
| fbdev->pfb = psbfb; |
| |
| strcpy(info->fix.id, "psbfb"); |
| |
| info->flags = FBINFO_DEFAULT; |
| info->fbops = &psbfb_ops; |
| info->fix.smem_start = dev->mode_config.fb_base; |
| info->fix.smem_len = size; |
| info->screen_base = (char *)pg->vram_addr; |
| info->screen_size = size; |
| memset(info->screen_base, 0, size); |
| |
| if (dev_priv->pg->stolen_size) { |
| info->apertures = alloc_apertures(1); |
| if (!info->apertures) { |
| ret = -ENOMEM; |
| goto out_err0; |
| } |
| info->apertures->ranges[0].base = dev->mode_config.fb_base; |
| info->apertures->ranges[0].size = dev_priv->pg->stolen_size; |
| } |
| |
| drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); |
| drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, |
| sizes->fb_width, sizes->fb_height); |
| |
| info->fix.mmio_start = pci_resource_start(dev->pdev, 0); |
| info->fix.mmio_len = pci_resource_len(dev->pdev, 0); |
| |
| info->pixmap.size = 64 * 1024; |
| info->pixmap.buf_align = 8; |
| info->pixmap.access_align = 32; |
| info->pixmap.flags = FB_PIXMAP_SYSTEM; |
| info->pixmap.scan_align = 1; |
| |
| DRM_DEBUG("fb depth is %d\n", fb->depth); |
| DRM_DEBUG(" pitch is %d\n", fb->pitch); |
| |
| printk(KERN_INFO"allocated %dx%d fb\n", |
| psbfb->base.width, psbfb->base.height); |
| |
| mutex_unlock(&dev->struct_mutex); |
| |
| return 0; |
| out_err0: |
| fb->funcs->destroy(fb); |
| out_err1: |
| mutex_unlock(&dev->struct_mutex); |
| return ret; |
| } |
| |
| static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, |
| u16 blue, int regno) |
| { |
| DRM_DEBUG("%s\n", __func__); |
| } |
| |
| static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red, |
| u16 *green, u16 *blue, int regno) |
| { |
| DRM_DEBUG("%s\n", __func__); |
| } |
| |
| static int psbfb_probe(struct drm_fb_helper *helper, |
| struct drm_fb_helper_surface_size *sizes) |
| { |
| struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper; |
| int new_fb = 0; |
| int ret; |
| |
| DRM_DEBUG("%s\n", __func__); |
| |
| if (!helper->fb) { |
| ret = psbfb_create(psb_fbdev, sizes); |
| if (ret) |
| return ret; |
| new_fb = 1; |
| } |
| return new_fb; |
| } |
| |
| struct drm_fb_helper_funcs psb_fb_helper_funcs = { |
| .gamma_set = psbfb_gamma_set, |
| .gamma_get = psbfb_gamma_get, |
| .fb_probe = psbfb_probe, |
| }; |
| |
| int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) |
| { |
| struct fb_info *info; |
| struct psb_framebuffer *psbfb = fbdev->pfb; |
| |
| if (fbdev->psb_fb_helper.fbdev) { |
| info = fbdev->psb_fb_helper.fbdev; |
| unregister_framebuffer(info); |
| iounmap(info->screen_base); |
| framebuffer_release(info); |
| } |
| |
| drm_fb_helper_fini(&fbdev->psb_fb_helper); |
| |
| drm_framebuffer_cleanup(&psbfb->base); |
| |
| return 0; |
| } |
| |
| int psb_fbdev_init(struct drm_device *dev) |
| { |
| struct psb_fbdev *fbdev; |
| struct drm_psb_private *dev_priv = dev->dev_private; |
| int num_crtc; |
| |
| fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); |
| if (!fbdev) { |
| DRM_ERROR("no memory\n"); |
| return -ENOMEM; |
| } |
| |
| dev_priv->fbdev = fbdev; |
| fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs; |
| |
| num_crtc = 2; |
| |
| drm_fb_helper_init(dev, &fbdev->psb_fb_helper, num_crtc, |
| INTELFB_CONN_LIMIT); |
| |
| drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); |
| drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); |
| return 0; |
| } |
| |
| void psb_fbdev_fini(struct drm_device *dev) |
| { |
| struct drm_psb_private *dev_priv = dev->dev_private; |
| |
| if (!dev_priv->fbdev) |
| return; |
| |
| psb_fbdev_destroy(dev, dev_priv->fbdev); |
| kfree(dev_priv->fbdev); |
| dev_priv->fbdev = NULL; |
| } |
| |
| |
| static void psbfb_output_poll_changed(struct drm_device *dev) |
| { |
| struct drm_psb_private *dev_priv = dev->dev_private; |
| struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev; |
| drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper); |
| } |
| |
| int psbfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) |
| { |
| struct fb_info *info; |
| struct psb_framebuffer *psbfb = to_psb_fb(fb); |
| |
| if (drm_psb_no_fb) |
| return 0; |
| |
| info = psbfb->fbdev; |
| psbfb->pvrBO = NULL; |
| |
| if (info) |
| framebuffer_release(info); |
| return 0; |
| } |
| /*EXPORT_SYMBOL(psbfb_remove); */ |
| |
| static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, |
| struct drm_file *file_priv, |
| unsigned int *handle) |
| { |
| /* JB: TODO currently we can't go from a bo to a handle with ttm */ |
| (void) file_priv; |
| *handle = 0; |
| return 0; |
| } |
| |
| static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) |
| { |
| struct drm_device *dev = fb->dev; |
| struct psb_framebuffer *psbfb = to_psb_fb(fb); |
| |
| /*ummap gtt pages*/ |
| psb_gtt_unmap_meminfo(dev, psbfb->hKernelMemInfo); |
| if (psbfb->fbdev) |
| psbfb_remove(dev, fb); |
| |
| /* JB: TODO not drop, refcount buffer */ |
| drm_framebuffer_cleanup(fb); |
| kfree(fb); |
| } |
| |
| static const struct drm_mode_config_funcs psb_mode_funcs = { |
| .fb_create = psb_user_framebuffer_create, |
| .output_poll_changed = psbfb_output_poll_changed, |
| }; |
| |
| static int psb_create_backlight_property(struct drm_device *dev) |
| { |
| struct drm_psb_private *dev_priv |
| = (struct drm_psb_private *) dev->dev_private; |
| struct drm_property *backlight; |
| |
| if (dev_priv->backlight_property) |
| return 0; |
| |
| backlight = drm_property_create(dev, |
| DRM_MODE_PROP_RANGE, |
| "backlight", |
| 2); |
| backlight->values[0] = 0; |
| backlight->values[1] = 100; |
| |
| dev_priv->backlight_property = backlight; |
| |
| return 0; |
| } |
| |
| static void psb_setup_outputs(struct drm_device *dev) |
| { |
| struct drm_psb_private *dev_priv = |
| (struct drm_psb_private *) dev->dev_private; |
| struct drm_connector *connector; |
| |
| PSB_DEBUG_ENTRY("\n"); |
| |
| drm_mode_create_scaling_mode_property(dev); |
| |
| psb_create_backlight_property(dev); |
| |
| psb_intel_lvds_init(dev, &dev_priv->mode_dev); |
| /* psb_intel_sdvo_init(dev, SDVOB); */ |
| |
| list_for_each_entry(connector, &dev->mode_config.connector_list, |
| head) { |
| struct psb_intel_output *psb_intel_output = |
| to_psb_intel_output(connector); |
| struct drm_encoder *encoder = &psb_intel_output->enc; |
| int crtc_mask = 0, clone_mask = 0; |
| |
| /* valid crtcs */ |
| switch (psb_intel_output->type) { |
| case INTEL_OUTPUT_SDVO: |
| crtc_mask = ((1 << 0) | (1 << 1)); |
| clone_mask = (1 << INTEL_OUTPUT_SDVO); |
| break; |
| case INTEL_OUTPUT_LVDS: |
| PSB_DEBUG_ENTRY("LVDS.\n"); |
| crtc_mask = (1 << 1); |
| clone_mask = (1 << INTEL_OUTPUT_LVDS); |
| break; |
| case INTEL_OUTPUT_MIPI: |
| PSB_DEBUG_ENTRY("MIPI.\n"); |
| crtc_mask = (1 << 0); |
| clone_mask = (1 << INTEL_OUTPUT_MIPI); |
| break; |
| case INTEL_OUTPUT_MIPI2: |
| PSB_DEBUG_ENTRY("MIPI2.\n"); |
| crtc_mask = (1 << 2); |
| clone_mask = (1 << INTEL_OUTPUT_MIPI2); |
| break; |
| case INTEL_OUTPUT_HDMI: |
| PSB_DEBUG_ENTRY("HDMI.\n"); |
| crtc_mask = (1 << 1); |
| clone_mask = (1 << INTEL_OUTPUT_HDMI); |
| break; |
| } |
| |
| encoder->possible_crtcs = crtc_mask; |
| encoder->possible_clones = |
| psb_intel_connector_clones(dev, clone_mask); |
| |
| } |
| } |
| |
| static void *psb_bo_from_handle(struct drm_device *dev, |
| struct drm_file *file_priv, |
| unsigned int handle) |
| { |
| void *psKernelMemInfo = NULL; |
| void * hKernelMemInfo = (void *)handle; |
| int ret; |
| |
| ret = psb_get_meminfo_by_handle(hKernelMemInfo, &psKernelMemInfo); |
| if (ret) { |
| DRM_ERROR("Cannot get meminfo for handle 0x%x\n", |
| (u32)hKernelMemInfo); |
| return NULL; |
| } |
| |
| return (void *)psKernelMemInfo; |
| } |
| |
| static size_t psb_bo_size(struct drm_device *dev, void *bof) |
| { |
| #if 0 |
| void *psKernelMemInfo = (void *)bof; |
| return (size_t)psKernelMemInfo->ui32AllocSize; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static size_t psb_bo_offset(struct drm_device *dev, void *bof) |
| { |
| struct psb_framebuffer *psbfb |
| = (struct psb_framebuffer *)bof; |
| |
| return (size_t)psbfb->offset; |
| } |
| |
| static int psb_bo_pin_for_scanout(struct drm_device *dev, void *bo) |
| { |
| return 0; |
| } |
| |
| static int psb_bo_unpin_for_scanout(struct drm_device *dev, void *bo) |
| { |
| return 0; |
| } |
| |
| void psb_modeset_init(struct drm_device *dev) |
| { |
| struct drm_psb_private *dev_priv = |
| (struct drm_psb_private *) dev->dev_private; |
| struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; |
| int i; |
| |
| PSB_DEBUG_ENTRY("\n"); |
| /* Init mm functions */ |
| mode_dev->bo_from_handle = psb_bo_from_handle; |
| mode_dev->bo_size = psb_bo_size; |
| mode_dev->bo_offset = psb_bo_offset; |
| mode_dev->bo_pin_for_scanout = psb_bo_pin_for_scanout; |
| mode_dev->bo_unpin_for_scanout = psb_bo_unpin_for_scanout; |
| |
| drm_mode_config_init(dev); |
| |
| dev->mode_config.min_width = 0; |
| dev->mode_config.min_height = 0; |
| |
| dev->mode_config.funcs = (void *) &psb_mode_funcs; |
| |
| /* set memory base */ |
| /* MRST and PSB should use BAR 2*/ |
| pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *) |
| &(dev->mode_config.fb_base)); |
| |
| /* num pipes is 2 for PSB but 1 for Mrst */ |
| for (i = 0; i < dev_priv->num_pipe; i++) |
| psb_intel_crtc_init(dev, i, mode_dev); |
| |
| dev->mode_config.max_width = 2048; |
| dev->mode_config.max_height = 2048; |
| |
| psb_setup_outputs(dev); |
| |
| /* setup fbs */ |
| /* drm_initial_config(dev); */ |
| } |
| |
| void psb_modeset_cleanup(struct drm_device *dev) |
| { |
| mutex_lock(&dev->struct_mutex); |
| |
| drm_kms_helper_poll_fini(dev); |
| psb_fbdev_fini(dev); |
| |
| drm_mode_config_cleanup(dev); |
| |
| mutex_unlock(&dev->struct_mutex); |
| } |