14d8d096eSAlan Cox /************************************************************************** 24d8d096eSAlan Cox * Copyright (c) 2007-2011, Intel Corporation. 34d8d096eSAlan Cox * All Rights Reserved. 44d8d096eSAlan Cox * 54d8d096eSAlan Cox * This program is free software; you can redistribute it and/or modify it 64d8d096eSAlan Cox * under the terms and conditions of the GNU General Public License, 74d8d096eSAlan Cox * version 2, as published by the Free Software Foundation. 84d8d096eSAlan Cox * 94d8d096eSAlan Cox * This program is distributed in the hope it will be useful, but WITHOUT 104d8d096eSAlan Cox * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 114d8d096eSAlan Cox * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 124d8d096eSAlan Cox * more details. 134d8d096eSAlan Cox * 144d8d096eSAlan Cox * You should have received a copy of the GNU General Public License along with 154d8d096eSAlan Cox * this program; if not, write to the Free Software Foundation, Inc., 164d8d096eSAlan Cox * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 174d8d096eSAlan Cox * 184d8d096eSAlan Cox **************************************************************************/ 194d8d096eSAlan Cox 204d8d096eSAlan Cox #include <linux/module.h> 214d8d096eSAlan Cox #include <linux/kernel.h> 224d8d096eSAlan Cox #include <linux/errno.h> 234d8d096eSAlan Cox #include <linux/string.h> 244d8d096eSAlan Cox #include <linux/mm.h> 254d8d096eSAlan Cox #include <linux/tty.h> 264d8d096eSAlan Cox #include <linux/slab.h> 274d8d096eSAlan Cox #include <linux/delay.h> 284d8d096eSAlan Cox #include <linux/fb.h> 294d8d096eSAlan Cox #include <linux/init.h> 304d8d096eSAlan Cox #include <linux/console.h> 314d8d096eSAlan Cox 324d8d096eSAlan Cox #include <drm/drmP.h> 334d8d096eSAlan Cox #include <drm/drm.h> 344d8d096eSAlan Cox #include <drm/drm_crtc.h> 35a9a644acSDave Airlie #include <drm/drm_fb_helper.h> 364d8d096eSAlan Cox 374d8d096eSAlan Cox #include "psb_drv.h" 384d8d096eSAlan Cox #include "psb_intel_reg.h" 394d8d096eSAlan Cox #include "psb_intel_drv.h" 404d8d096eSAlan Cox #include "framebuffer.h" 414d8d096eSAlan Cox 424d8d096eSAlan Cox static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb); 434d8d096eSAlan Cox static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, 444d8d096eSAlan Cox struct drm_file *file_priv, 454d8d096eSAlan Cox unsigned int *handle); 464d8d096eSAlan Cox 474d8d096eSAlan Cox static const struct drm_framebuffer_funcs psb_fb_funcs = { 484d8d096eSAlan Cox .destroy = psb_user_framebuffer_destroy, 494d8d096eSAlan Cox .create_handle = psb_user_framebuffer_create_handle, 504d8d096eSAlan Cox }; 514d8d096eSAlan Cox 524d8d096eSAlan Cox #define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) 534d8d096eSAlan Cox 544d8d096eSAlan Cox static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, 554d8d096eSAlan Cox unsigned blue, unsigned transp, 564d8d096eSAlan Cox struct fb_info *info) 574d8d096eSAlan Cox { 584d8d096eSAlan Cox struct psb_fbdev *fbdev = info->par; 594d8d096eSAlan Cox struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; 604d8d096eSAlan Cox uint32_t v; 614d8d096eSAlan Cox 624d8d096eSAlan Cox if (!fb) 634d8d096eSAlan Cox return -ENOMEM; 644d8d096eSAlan Cox 654d8d096eSAlan Cox if (regno > 255) 664d8d096eSAlan Cox return 1; 674d8d096eSAlan Cox 684d8d096eSAlan Cox red = CMAP_TOHW(red, info->var.red.length); 694d8d096eSAlan Cox blue = CMAP_TOHW(blue, info->var.blue.length); 704d8d096eSAlan Cox green = CMAP_TOHW(green, info->var.green.length); 714d8d096eSAlan Cox transp = CMAP_TOHW(transp, info->var.transp.length); 724d8d096eSAlan Cox 734d8d096eSAlan Cox v = (red << info->var.red.offset) | 744d8d096eSAlan Cox (green << info->var.green.offset) | 754d8d096eSAlan Cox (blue << info->var.blue.offset) | 764d8d096eSAlan Cox (transp << info->var.transp.offset); 774d8d096eSAlan Cox 784d8d096eSAlan Cox if (regno < 16) { 794d8d096eSAlan Cox switch (fb->bits_per_pixel) { 804d8d096eSAlan Cox case 16: 814d8d096eSAlan Cox ((uint32_t *) info->pseudo_palette)[regno] = v; 824d8d096eSAlan Cox break; 834d8d096eSAlan Cox case 24: 844d8d096eSAlan Cox case 32: 854d8d096eSAlan Cox ((uint32_t *) info->pseudo_palette)[regno] = v; 864d8d096eSAlan Cox break; 874d8d096eSAlan Cox } 884d8d096eSAlan Cox } 894d8d096eSAlan Cox 904d8d096eSAlan Cox return 0; 914d8d096eSAlan Cox } 924d8d096eSAlan Cox 934d8d096eSAlan Cox 944d8d096eSAlan Cox void psbfb_suspend(struct drm_device *dev) 954d8d096eSAlan Cox { 964d8d096eSAlan Cox struct drm_framebuffer *fb = 0; 974d8d096eSAlan Cox struct psb_framebuffer *psbfb = to_psb_fb(fb); 984d8d096eSAlan Cox 994d8d096eSAlan Cox console_lock(); 1004d8d096eSAlan Cox mutex_lock(&dev->mode_config.mutex); 1014d8d096eSAlan Cox list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 1024d8d096eSAlan Cox struct fb_info *info = psbfb->fbdev; 1034d8d096eSAlan Cox fb_set_suspend(info, 1); 1044d8d096eSAlan Cox drm_fb_helper_blank(FB_BLANK_POWERDOWN, info); 1054d8d096eSAlan Cox } 1064d8d096eSAlan Cox mutex_unlock(&dev->mode_config.mutex); 1074d8d096eSAlan Cox console_unlock(); 1084d8d096eSAlan Cox } 1094d8d096eSAlan Cox 1104d8d096eSAlan Cox void psbfb_resume(struct drm_device *dev) 1114d8d096eSAlan Cox { 1124d8d096eSAlan Cox struct drm_framebuffer *fb = 0; 1134d8d096eSAlan Cox struct psb_framebuffer *psbfb = to_psb_fb(fb); 1144d8d096eSAlan Cox 1154d8d096eSAlan Cox console_lock(); 1164d8d096eSAlan Cox mutex_lock(&dev->mode_config.mutex); 1174d8d096eSAlan Cox list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 1184d8d096eSAlan Cox struct fb_info *info = psbfb->fbdev; 1194d8d096eSAlan Cox fb_set_suspend(info, 0); 1204d8d096eSAlan Cox drm_fb_helper_blank(FB_BLANK_UNBLANK, info); 1214d8d096eSAlan Cox } 1224d8d096eSAlan Cox mutex_unlock(&dev->mode_config.mutex); 1234d8d096eSAlan Cox console_unlock(); 1244d8d096eSAlan Cox drm_helper_disable_unused_functions(dev); 1254d8d096eSAlan Cox } 1264d8d096eSAlan Cox 1274d8d096eSAlan Cox static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) 1284d8d096eSAlan Cox { 1294d8d096eSAlan Cox struct psb_framebuffer *psbfb = vma->vm_private_data; 1304d8d096eSAlan Cox struct drm_device *dev = psbfb->base.dev; 1314d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 1324d8d096eSAlan Cox int page_num; 1334d8d096eSAlan Cox int i; 1344d8d096eSAlan Cox unsigned long address; 1354d8d096eSAlan Cox int ret; 1364d8d096eSAlan Cox unsigned long pfn; 1374d8d096eSAlan Cox /* FIXME: assumes fb at stolen base which may not be true */ 1384d8d096eSAlan Cox unsigned long phys_addr = (unsigned long)dev_priv->stolen_base; 1394d8d096eSAlan Cox 1404d8d096eSAlan Cox page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; 1414d8d096eSAlan Cox address = (unsigned long)vmf->virtual_address; 1424d8d096eSAlan Cox 1434d8d096eSAlan Cox vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 1444d8d096eSAlan Cox 1454d8d096eSAlan Cox for (i = 0; i < page_num; i++) { 1464d8d096eSAlan Cox pfn = (phys_addr >> PAGE_SHIFT); 1474d8d096eSAlan Cox 1484d8d096eSAlan Cox ret = vm_insert_mixed(vma, address, pfn); 1494d8d096eSAlan Cox if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) 1504d8d096eSAlan Cox break; 1514d8d096eSAlan Cox else if (unlikely(ret != 0)) { 1524d8d096eSAlan Cox ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; 1534d8d096eSAlan Cox return ret; 1544d8d096eSAlan Cox } 1554d8d096eSAlan Cox address += PAGE_SIZE; 1564d8d096eSAlan Cox phys_addr += PAGE_SIZE; 1574d8d096eSAlan Cox } 1584d8d096eSAlan Cox return VM_FAULT_NOPAGE; 1594d8d096eSAlan Cox } 1604d8d096eSAlan Cox 1614d8d096eSAlan Cox static void psbfb_vm_open(struct vm_area_struct *vma) 1624d8d096eSAlan Cox { 1634d8d096eSAlan Cox } 1644d8d096eSAlan Cox 1654d8d096eSAlan Cox static void psbfb_vm_close(struct vm_area_struct *vma) 1664d8d096eSAlan Cox { 1674d8d096eSAlan Cox } 1684d8d096eSAlan Cox 1694d8d096eSAlan Cox static struct vm_operations_struct psbfb_vm_ops = { 1704d8d096eSAlan Cox .fault = psbfb_vm_fault, 1714d8d096eSAlan Cox .open = psbfb_vm_open, 1724d8d096eSAlan Cox .close = psbfb_vm_close 1734d8d096eSAlan Cox }; 1744d8d096eSAlan Cox 1754d8d096eSAlan Cox static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) 1764d8d096eSAlan Cox { 1774d8d096eSAlan Cox struct psb_fbdev *fbdev = info->par; 1784d8d096eSAlan Cox struct psb_framebuffer *psbfb = &fbdev->pfb; 1794d8d096eSAlan Cox 1804d8d096eSAlan Cox if (vma->vm_pgoff != 0) 1814d8d096eSAlan Cox return -EINVAL; 1824d8d096eSAlan Cox if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) 1834d8d096eSAlan Cox return -EINVAL; 1844d8d096eSAlan Cox 1854d8d096eSAlan Cox if (!psbfb->addr_space) 1864d8d096eSAlan Cox psbfb->addr_space = vma->vm_file->f_mapping; 1874d8d096eSAlan Cox /* 1884d8d096eSAlan Cox * If this is a GEM object then info->screen_base is the virtual 1894d8d096eSAlan Cox * kernel remapping of the object. FIXME: Review if this is 1904d8d096eSAlan Cox * suitable for our mmap work 1914d8d096eSAlan Cox */ 1924d8d096eSAlan Cox vma->vm_ops = &psbfb_vm_ops; 1934d8d096eSAlan Cox vma->vm_private_data = (void *)psbfb; 1944d8d096eSAlan Cox vma->vm_flags |= VM_RESERVED | VM_IO | 1954d8d096eSAlan Cox VM_MIXEDMAP | VM_DONTEXPAND; 1964d8d096eSAlan Cox return 0; 1974d8d096eSAlan Cox } 1984d8d096eSAlan Cox 1994d8d096eSAlan Cox static int psbfb_ioctl(struct fb_info *info, unsigned int cmd, 2004d8d096eSAlan Cox unsigned long arg) 2014d8d096eSAlan Cox { 2024d8d096eSAlan Cox return -ENOTTY; 2034d8d096eSAlan Cox } 2044d8d096eSAlan Cox 2054d8d096eSAlan Cox static struct fb_ops psbfb_ops = { 2064d8d096eSAlan Cox .owner = THIS_MODULE, 2074d8d096eSAlan Cox .fb_check_var = drm_fb_helper_check_var, 2084d8d096eSAlan Cox .fb_set_par = drm_fb_helper_set_par, 2094d8d096eSAlan Cox .fb_blank = drm_fb_helper_blank, 2104d8d096eSAlan Cox .fb_setcolreg = psbfb_setcolreg, 2114d8d096eSAlan Cox .fb_fillrect = cfb_fillrect, 2124d8d096eSAlan Cox .fb_copyarea = psbfb_copyarea, 2134d8d096eSAlan Cox .fb_imageblit = cfb_imageblit, 2144d8d096eSAlan Cox .fb_mmap = psbfb_mmap, 2154d8d096eSAlan Cox .fb_sync = psbfb_sync, 2164d8d096eSAlan Cox .fb_ioctl = psbfb_ioctl, 2174d8d096eSAlan Cox }; 2184d8d096eSAlan Cox 2194d8d096eSAlan Cox static struct fb_ops psbfb_unaccel_ops = { 2204d8d096eSAlan Cox .owner = THIS_MODULE, 2214d8d096eSAlan Cox .fb_check_var = drm_fb_helper_check_var, 2224d8d096eSAlan Cox .fb_set_par = drm_fb_helper_set_par, 2234d8d096eSAlan Cox .fb_blank = drm_fb_helper_blank, 2244d8d096eSAlan Cox .fb_setcolreg = psbfb_setcolreg, 2254d8d096eSAlan Cox .fb_fillrect = cfb_fillrect, 2264d8d096eSAlan Cox .fb_copyarea = cfb_copyarea, 2274d8d096eSAlan Cox .fb_imageblit = cfb_imageblit, 2284d8d096eSAlan Cox .fb_mmap = psbfb_mmap, 2294d8d096eSAlan Cox .fb_ioctl = psbfb_ioctl, 2304d8d096eSAlan Cox }; 2314d8d096eSAlan Cox 2324d8d096eSAlan Cox /** 2334d8d096eSAlan Cox * psb_framebuffer_init - initialize a framebuffer 2344d8d096eSAlan Cox * @dev: our DRM device 2354d8d096eSAlan Cox * @fb: framebuffer to set up 2364d8d096eSAlan Cox * @mode_cmd: mode description 2374d8d096eSAlan Cox * @gt: backing object 2384d8d096eSAlan Cox * 2394d8d096eSAlan Cox * Configure and fill in the boilerplate for our frame buffer. Return 2404d8d096eSAlan Cox * 0 on success or an error code if we fail. 2414d8d096eSAlan Cox */ 2424d8d096eSAlan Cox static int psb_framebuffer_init(struct drm_device *dev, 2434d8d096eSAlan Cox struct psb_framebuffer *fb, 244a9a644acSDave Airlie struct drm_mode_fb_cmd2 *mode_cmd, 2454d8d096eSAlan Cox struct gtt_range *gt) 2464d8d096eSAlan Cox { 247a9a644acSDave Airlie u32 bpp, depth; 2484d8d096eSAlan Cox int ret; 2494d8d096eSAlan Cox 250a9a644acSDave Airlie drm_helper_get_fb_bpp_depth(mode_cmd->pixel_format, &depth, &bpp); 251a9a644acSDave Airlie 252a9a644acSDave Airlie if (mode_cmd->pitches[0] & 63) 2534d8d096eSAlan Cox return -EINVAL; 254a9a644acSDave Airlie switch (bpp) { 2554d8d096eSAlan Cox case 8: 2564d8d096eSAlan Cox case 16: 2574d8d096eSAlan Cox case 24: 2584d8d096eSAlan Cox case 32: 2594d8d096eSAlan Cox break; 2604d8d096eSAlan Cox default: 2614d8d096eSAlan Cox return -EINVAL; 2624d8d096eSAlan Cox } 2634d8d096eSAlan Cox ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); 2644d8d096eSAlan Cox if (ret) { 2654d8d096eSAlan Cox dev_err(dev->dev, "framebuffer init failed: %d\n", ret); 2664d8d096eSAlan Cox return ret; 2674d8d096eSAlan Cox } 2684d8d096eSAlan Cox drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd); 2694d8d096eSAlan Cox fb->gtt = gt; 2704d8d096eSAlan Cox return 0; 2714d8d096eSAlan Cox } 2724d8d096eSAlan Cox 2734d8d096eSAlan Cox /** 2744d8d096eSAlan Cox * psb_framebuffer_create - create a framebuffer backed by gt 2754d8d096eSAlan Cox * @dev: our DRM device 2764d8d096eSAlan Cox * @mode_cmd: the description of the requested mode 2774d8d096eSAlan Cox * @gt: the backing object 2784d8d096eSAlan Cox * 2794d8d096eSAlan Cox * Create a framebuffer object backed by the gt, and fill in the 2804d8d096eSAlan Cox * boilerplate required 2814d8d096eSAlan Cox * 2824d8d096eSAlan Cox * TODO: review object references 2834d8d096eSAlan Cox */ 2844d8d096eSAlan Cox 2854d8d096eSAlan Cox static struct drm_framebuffer *psb_framebuffer_create 2864d8d096eSAlan Cox (struct drm_device *dev, 287a9a644acSDave Airlie struct drm_mode_fb_cmd2 *mode_cmd, 2884d8d096eSAlan Cox struct gtt_range *gt) 2894d8d096eSAlan Cox { 2904d8d096eSAlan Cox struct psb_framebuffer *fb; 2914d8d096eSAlan Cox int ret; 2924d8d096eSAlan Cox 2934d8d096eSAlan Cox fb = kzalloc(sizeof(*fb), GFP_KERNEL); 2944d8d096eSAlan Cox if (!fb) 2954d8d096eSAlan Cox return ERR_PTR(-ENOMEM); 2964d8d096eSAlan Cox 2974d8d096eSAlan Cox ret = psb_framebuffer_init(dev, fb, mode_cmd, gt); 2984d8d096eSAlan Cox if (ret) { 2994d8d096eSAlan Cox kfree(fb); 3004d8d096eSAlan Cox return ERR_PTR(ret); 3014d8d096eSAlan Cox } 3024d8d096eSAlan Cox return &fb->base; 3034d8d096eSAlan Cox } 3044d8d096eSAlan Cox 3054d8d096eSAlan Cox /** 3064d8d096eSAlan Cox * psbfb_alloc - allocate frame buffer memory 3074d8d096eSAlan Cox * @dev: the DRM device 3084d8d096eSAlan Cox * @aligned_size: space needed 3094d8d096eSAlan Cox * 3104d8d096eSAlan Cox * Allocate the frame buffer. In the usual case we get a GTT range that 3114d8d096eSAlan Cox * is stolen memory backed and life is simple. If there isn't sufficient 3124d8d096eSAlan Cox * stolen memory or the system has no stolen memory we allocate a range 3134d8d096eSAlan Cox * and back it with a GEM object. 3144d8d096eSAlan Cox * 3154d8d096eSAlan Cox * In this case the GEM object has no handle. 3164d8d096eSAlan Cox * 3174d8d096eSAlan Cox * FIXME: console speed up - allocate twice the space if room and use 3184d8d096eSAlan Cox * hardware scrolling for acceleration. 3194d8d096eSAlan Cox */ 3204d8d096eSAlan Cox static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size) 3214d8d096eSAlan Cox { 3224d8d096eSAlan Cox struct gtt_range *backing; 3234d8d096eSAlan Cox /* Begin by trying to use stolen memory backing */ 3244d8d096eSAlan Cox backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1); 3254d8d096eSAlan Cox if (backing) { 3264d8d096eSAlan Cox if (drm_gem_private_object_init(dev, 3274d8d096eSAlan Cox &backing->gem, aligned_size) == 0) 3284d8d096eSAlan Cox return backing; 3294d8d096eSAlan Cox psb_gtt_free_range(dev, backing); 3304d8d096eSAlan Cox } 3314d8d096eSAlan Cox /* Next try using GEM host memory */ 3324d8d096eSAlan Cox backing = psb_gtt_alloc_range(dev, aligned_size, "fb(gem)", 0); 3334d8d096eSAlan Cox if (backing == NULL) 3344d8d096eSAlan Cox return NULL; 3354d8d096eSAlan Cox 3364d8d096eSAlan Cox /* Now back it with an object */ 3374d8d096eSAlan Cox if (drm_gem_object_init(dev, &backing->gem, aligned_size) != 0) { 3384d8d096eSAlan Cox psb_gtt_free_range(dev, backing); 3394d8d096eSAlan Cox return NULL; 3404d8d096eSAlan Cox } 3414d8d096eSAlan Cox return backing; 3424d8d096eSAlan Cox } 3434d8d096eSAlan Cox 3444d8d096eSAlan Cox /** 3454d8d096eSAlan Cox * psbfb_create - create a framebuffer 3464d8d096eSAlan Cox * @fbdev: the framebuffer device 3474d8d096eSAlan Cox * @sizes: specification of the layout 3484d8d096eSAlan Cox * 3494d8d096eSAlan Cox * Create a framebuffer to the specifications provided 3504d8d096eSAlan Cox */ 3514d8d096eSAlan Cox static int psbfb_create(struct psb_fbdev *fbdev, 3524d8d096eSAlan Cox struct drm_fb_helper_surface_size *sizes) 3534d8d096eSAlan Cox { 3544d8d096eSAlan Cox struct drm_device *dev = fbdev->psb_fb_helper.dev; 3554d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 3564d8d096eSAlan Cox struct fb_info *info; 3574d8d096eSAlan Cox struct drm_framebuffer *fb; 3584d8d096eSAlan Cox struct psb_framebuffer *psbfb = &fbdev->pfb; 359a9a644acSDave Airlie struct drm_mode_fb_cmd2 mode_cmd; 3604d8d096eSAlan Cox struct device *device = &dev->pdev->dev; 3614d8d096eSAlan Cox int size; 3624d8d096eSAlan Cox int ret; 3634d8d096eSAlan Cox struct gtt_range *backing; 364a9a644acSDave Airlie u32 bpp, depth; 3654d8d096eSAlan Cox 3664d8d096eSAlan Cox mode_cmd.width = sizes->surface_width; 3674d8d096eSAlan Cox mode_cmd.height = sizes->surface_height; 368a9a644acSDave Airlie bpp = sizes->surface_bpp; 3694d8d096eSAlan Cox 3704d8d096eSAlan Cox /* No 24bit packed */ 371a9a644acSDave Airlie if (bpp == 24) 372a9a644acSDave Airlie bpp = 32; 3734d8d096eSAlan Cox 3744d8d096eSAlan Cox /* HW requires pitch to be 64 byte aligned */ 375a9a644acSDave Airlie mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64); 376a9a644acSDave Airlie depth = sizes->surface_depth; 3774d8d096eSAlan Cox 378a9a644acSDave Airlie size = mode_cmd.pitches[0] * mode_cmd.height; 3794d8d096eSAlan Cox size = ALIGN(size, PAGE_SIZE); 3804d8d096eSAlan Cox 3814d8d096eSAlan Cox /* Allocate the framebuffer in the GTT with stolen page backing */ 3824d8d096eSAlan Cox backing = psbfb_alloc(dev, size); 3834d8d096eSAlan Cox if (backing == NULL) 3844d8d096eSAlan Cox return -ENOMEM; 3854d8d096eSAlan Cox 3864d8d096eSAlan Cox mutex_lock(&dev->struct_mutex); 3874d8d096eSAlan Cox 3884d8d096eSAlan Cox info = framebuffer_alloc(0, device); 3894d8d096eSAlan Cox if (!info) { 3904d8d096eSAlan Cox ret = -ENOMEM; 3914d8d096eSAlan Cox goto out_err1; 3924d8d096eSAlan Cox } 3934d8d096eSAlan Cox info->par = fbdev; 3944d8d096eSAlan Cox 395a9a644acSDave Airlie mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); 396a9a644acSDave Airlie 3974d8d096eSAlan Cox ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing); 3984d8d096eSAlan Cox if (ret) 3994d8d096eSAlan Cox goto out_unref; 4004d8d096eSAlan Cox 4014d8d096eSAlan Cox fb = &psbfb->base; 4024d8d096eSAlan Cox psbfb->fbdev = info; 4034d8d096eSAlan Cox 4044d8d096eSAlan Cox fbdev->psb_fb_helper.fb = fb; 4054d8d096eSAlan Cox fbdev->psb_fb_helper.fbdev = info; 4064d8d096eSAlan Cox 4074d8d096eSAlan Cox strcpy(info->fix.id, "psbfb"); 4084d8d096eSAlan Cox 4094d8d096eSAlan Cox info->flags = FBINFO_DEFAULT; 4104d8d096eSAlan Cox /* No 2D engine */ 4114d8d096eSAlan Cox if (!dev_priv->ops->accel_2d) 4124d8d096eSAlan Cox info->fbops = &psbfb_unaccel_ops; 4134d8d096eSAlan Cox else 4144d8d096eSAlan Cox info->fbops = &psbfb_ops; 4154d8d096eSAlan Cox 4164d8d096eSAlan Cox ret = fb_alloc_cmap(&info->cmap, 256, 0); 4174d8d096eSAlan Cox if (ret) { 4184d8d096eSAlan Cox ret = -ENOMEM; 4194d8d096eSAlan Cox goto out_unref; 4204d8d096eSAlan Cox } 4214d8d096eSAlan Cox 4224d8d096eSAlan Cox info->fix.smem_start = dev->mode_config.fb_base; 4234d8d096eSAlan Cox info->fix.smem_len = size; 4244d8d096eSAlan Cox 4254d8d096eSAlan Cox if (backing->stolen) { 4264d8d096eSAlan Cox /* Accessed stolen memory directly */ 4274d8d096eSAlan Cox info->screen_base = (char *)dev_priv->vram_addr + 4284d8d096eSAlan Cox backing->offset; 4294d8d096eSAlan Cox } else { 4304d8d096eSAlan Cox /* Pin the pages into the GTT and create a mapping to them */ 4314d8d096eSAlan Cox psb_gtt_pin(backing); 4324d8d096eSAlan Cox info->screen_base = vm_map_ram(backing->pages, backing->npage, 4334d8d096eSAlan Cox -1, PAGE_KERNEL); 4344d8d096eSAlan Cox if (info->screen_base == NULL) { 4354d8d096eSAlan Cox psb_gtt_unpin(backing); 4364d8d096eSAlan Cox ret = -ENOMEM; 4374d8d096eSAlan Cox goto out_unref; 4384d8d096eSAlan Cox } 4394d8d096eSAlan Cox psbfb->vm_map = 1; 4404d8d096eSAlan Cox } 4414d8d096eSAlan Cox info->screen_size = size; 4424d8d096eSAlan Cox 4434d8d096eSAlan Cox if (dev_priv->gtt.stolen_size) { 4444d8d096eSAlan Cox info->apertures = alloc_apertures(1); 4454d8d096eSAlan Cox if (!info->apertures) { 4464d8d096eSAlan Cox ret = -ENOMEM; 4474d8d096eSAlan Cox goto out_unref; 4484d8d096eSAlan Cox } 4494d8d096eSAlan Cox info->apertures->ranges[0].base = dev->mode_config.fb_base; 4504d8d096eSAlan Cox info->apertures->ranges[0].size = dev_priv->gtt.stolen_size; 4514d8d096eSAlan Cox } 4524d8d096eSAlan Cox 4534d8d096eSAlan Cox drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); 4544d8d096eSAlan Cox drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, 4554d8d096eSAlan Cox sizes->fb_width, sizes->fb_height); 4564d8d096eSAlan Cox 4574d8d096eSAlan Cox info->fix.mmio_start = pci_resource_start(dev->pdev, 0); 4584d8d096eSAlan Cox info->fix.mmio_len = pci_resource_len(dev->pdev, 0); 4594d8d096eSAlan Cox 4604d8d096eSAlan Cox info->pixmap.size = 64 * 1024; 4614d8d096eSAlan Cox info->pixmap.buf_align = 8; 4624d8d096eSAlan Cox info->pixmap.access_align = 32; 4634d8d096eSAlan Cox info->pixmap.flags = FB_PIXMAP_SYSTEM; 4644d8d096eSAlan Cox info->pixmap.scan_align = 1; 4654d8d096eSAlan Cox 4664d8d096eSAlan Cox dev_info(dev->dev, "allocated %dx%d fb\n", 4674d8d096eSAlan Cox psbfb->base.width, psbfb->base.height); 4684d8d096eSAlan Cox 4694d8d096eSAlan Cox mutex_unlock(&dev->struct_mutex); 4704d8d096eSAlan Cox return 0; 4714d8d096eSAlan Cox out_unref: 4724d8d096eSAlan Cox if (backing->stolen) 4734d8d096eSAlan Cox psb_gtt_free_range(dev, backing); 4744d8d096eSAlan Cox else { 4754d8d096eSAlan Cox if (psbfb->vm_map) 4764d8d096eSAlan Cox vm_unmap_ram(info->screen_base, backing->npage); 4774d8d096eSAlan Cox drm_gem_object_unreference(&backing->gem); 4784d8d096eSAlan Cox } 4794d8d096eSAlan Cox out_err1: 4804d8d096eSAlan Cox mutex_unlock(&dev->struct_mutex); 4814d8d096eSAlan Cox psb_gtt_free_range(dev, backing); 4824d8d096eSAlan Cox return ret; 4834d8d096eSAlan Cox } 4844d8d096eSAlan Cox 4854d8d096eSAlan Cox /** 4864d8d096eSAlan Cox * psb_user_framebuffer_create - create framebuffer 4874d8d096eSAlan Cox * @dev: our DRM device 4884d8d096eSAlan Cox * @filp: client file 4894d8d096eSAlan Cox * @cmd: mode request 4904d8d096eSAlan Cox * 4914d8d096eSAlan Cox * Create a new framebuffer backed by a userspace GEM object 4924d8d096eSAlan Cox */ 4934d8d096eSAlan Cox static struct drm_framebuffer *psb_user_framebuffer_create 4944d8d096eSAlan Cox (struct drm_device *dev, struct drm_file *filp, 495a9a644acSDave Airlie struct drm_mode_fb_cmd2 *cmd) 4964d8d096eSAlan Cox { 4974d8d096eSAlan Cox struct gtt_range *r; 4984d8d096eSAlan Cox struct drm_gem_object *obj; 4994d8d096eSAlan Cox 5004d8d096eSAlan Cox /* 5014d8d096eSAlan Cox * Find the GEM object and thus the gtt range object that is 5024d8d096eSAlan Cox * to back this space 5034d8d096eSAlan Cox */ 504a9a644acSDave Airlie obj = drm_gem_object_lookup(dev, filp, cmd->handles[0]); 5054d8d096eSAlan Cox if (obj == NULL) 5064d8d096eSAlan Cox return ERR_PTR(-ENOENT); 5074d8d096eSAlan Cox 5084d8d096eSAlan Cox /* Let the core code do all the work */ 5094d8d096eSAlan Cox r = container_of(obj, struct gtt_range, gem); 5104d8d096eSAlan Cox return psb_framebuffer_create(dev, cmd, r); 5114d8d096eSAlan Cox } 5124d8d096eSAlan Cox 5134d8d096eSAlan Cox static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, 5144d8d096eSAlan Cox u16 blue, int regno) 5154d8d096eSAlan Cox { 5164d8d096eSAlan Cox } 5174d8d096eSAlan Cox 5184d8d096eSAlan Cox static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red, 5194d8d096eSAlan Cox u16 *green, u16 *blue, int regno) 5204d8d096eSAlan Cox { 5214d8d096eSAlan Cox } 5224d8d096eSAlan Cox 5234d8d096eSAlan Cox static int psbfb_probe(struct drm_fb_helper *helper, 5244d8d096eSAlan Cox struct drm_fb_helper_surface_size *sizes) 5254d8d096eSAlan Cox { 5264d8d096eSAlan Cox struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper; 5274d8d096eSAlan Cox int new_fb = 0; 5284d8d096eSAlan Cox int ret; 5294d8d096eSAlan Cox 5304d8d096eSAlan Cox if (!helper->fb) { 5314d8d096eSAlan Cox ret = psbfb_create(psb_fbdev, sizes); 5324d8d096eSAlan Cox if (ret) 5334d8d096eSAlan Cox return ret; 5344d8d096eSAlan Cox new_fb = 1; 5354d8d096eSAlan Cox } 5364d8d096eSAlan Cox return new_fb; 5374d8d096eSAlan Cox } 5384d8d096eSAlan Cox 5394d8d096eSAlan Cox struct drm_fb_helper_funcs psb_fb_helper_funcs = { 5404d8d096eSAlan Cox .gamma_set = psbfb_gamma_set, 5414d8d096eSAlan Cox .gamma_get = psbfb_gamma_get, 5424d8d096eSAlan Cox .fb_probe = psbfb_probe, 5434d8d096eSAlan Cox }; 5444d8d096eSAlan Cox 5454d8d096eSAlan Cox int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) 5464d8d096eSAlan Cox { 5474d8d096eSAlan Cox struct fb_info *info; 5484d8d096eSAlan Cox struct psb_framebuffer *psbfb = &fbdev->pfb; 5494d8d096eSAlan Cox 5504d8d096eSAlan Cox if (fbdev->psb_fb_helper.fbdev) { 5514d8d096eSAlan Cox info = fbdev->psb_fb_helper.fbdev; 5524d8d096eSAlan Cox 5534d8d096eSAlan Cox /* If this is our base framebuffer then kill any virtual map 5544d8d096eSAlan Cox for the framebuffer layer and unpin it */ 5554d8d096eSAlan Cox if (psbfb->vm_map) { 5564d8d096eSAlan Cox vm_unmap_ram(info->screen_base, psbfb->gtt->npage); 5574d8d096eSAlan Cox psb_gtt_unpin(psbfb->gtt); 5584d8d096eSAlan Cox } 5594d8d096eSAlan Cox unregister_framebuffer(info); 5604d8d096eSAlan Cox if (info->cmap.len) 5614d8d096eSAlan Cox fb_dealloc_cmap(&info->cmap); 5624d8d096eSAlan Cox framebuffer_release(info); 5634d8d096eSAlan Cox } 5644d8d096eSAlan Cox drm_fb_helper_fini(&fbdev->psb_fb_helper); 5654d8d096eSAlan Cox drm_framebuffer_cleanup(&psbfb->base); 5664d8d096eSAlan Cox 5674d8d096eSAlan Cox if (psbfb->gtt) 5684d8d096eSAlan Cox drm_gem_object_unreference(&psbfb->gtt->gem); 5694d8d096eSAlan Cox return 0; 5704d8d096eSAlan Cox } 5714d8d096eSAlan Cox 5724d8d096eSAlan Cox int psb_fbdev_init(struct drm_device *dev) 5734d8d096eSAlan Cox { 5744d8d096eSAlan Cox struct psb_fbdev *fbdev; 5754d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 5764d8d096eSAlan Cox 5774d8d096eSAlan Cox fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); 5784d8d096eSAlan Cox if (!fbdev) { 5794d8d096eSAlan Cox dev_err(dev->dev, "no memory\n"); 5804d8d096eSAlan Cox return -ENOMEM; 5814d8d096eSAlan Cox } 5824d8d096eSAlan Cox 5834d8d096eSAlan Cox dev_priv->fbdev = fbdev; 5844d8d096eSAlan Cox fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs; 5854d8d096eSAlan Cox 5864d8d096eSAlan Cox drm_fb_helper_init(dev, &fbdev->psb_fb_helper, dev_priv->ops->crtcs, 5874d8d096eSAlan Cox INTELFB_CONN_LIMIT); 5884d8d096eSAlan Cox 5894d8d096eSAlan Cox drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); 5904d8d096eSAlan Cox drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); 5914d8d096eSAlan Cox return 0; 5924d8d096eSAlan Cox } 5934d8d096eSAlan Cox 5944d8d096eSAlan Cox void psb_fbdev_fini(struct drm_device *dev) 5954d8d096eSAlan Cox { 5964d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 5974d8d096eSAlan Cox 5984d8d096eSAlan Cox if (!dev_priv->fbdev) 5994d8d096eSAlan Cox return; 6004d8d096eSAlan Cox 6014d8d096eSAlan Cox psb_fbdev_destroy(dev, dev_priv->fbdev); 6024d8d096eSAlan Cox kfree(dev_priv->fbdev); 6034d8d096eSAlan Cox dev_priv->fbdev = NULL; 6044d8d096eSAlan Cox } 6054d8d096eSAlan Cox 6064d8d096eSAlan Cox static void psbfb_output_poll_changed(struct drm_device *dev) 6074d8d096eSAlan Cox { 6084d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 6094d8d096eSAlan Cox struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev; 6104d8d096eSAlan Cox drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper); 6114d8d096eSAlan Cox } 6124d8d096eSAlan Cox 6134d8d096eSAlan Cox /** 6144d8d096eSAlan Cox * psb_user_framebuffer_create_handle - add hamdle to a framebuffer 6154d8d096eSAlan Cox * @fb: framebuffer 6164d8d096eSAlan Cox * @file_priv: our DRM file 6174d8d096eSAlan Cox * @handle: returned handle 6184d8d096eSAlan Cox * 6194d8d096eSAlan Cox * Our framebuffer object is a GTT range which also contains a GEM 6204d8d096eSAlan Cox * object. We need to turn it into a handle for userspace. GEM will do 6214d8d096eSAlan Cox * the work for us 6224d8d096eSAlan Cox */ 6234d8d096eSAlan Cox static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, 6244d8d096eSAlan Cox struct drm_file *file_priv, 6254d8d096eSAlan Cox unsigned int *handle) 6264d8d096eSAlan Cox { 6274d8d096eSAlan Cox struct psb_framebuffer *psbfb = to_psb_fb(fb); 6284d8d096eSAlan Cox struct gtt_range *r = psbfb->gtt; 6294d8d096eSAlan Cox return drm_gem_handle_create(file_priv, &r->gem, handle); 6304d8d096eSAlan Cox } 6314d8d096eSAlan Cox 6324d8d096eSAlan Cox /** 6334d8d096eSAlan Cox * psb_user_framebuffer_destroy - destruct user created fb 6344d8d096eSAlan Cox * @fb: framebuffer 6354d8d096eSAlan Cox * 6364d8d096eSAlan Cox * User framebuffers are backed by GEM objects so all we have to do is 6374d8d096eSAlan Cox * clean up a bit and drop the reference, GEM will handle the fallout 6384d8d096eSAlan Cox */ 6394d8d096eSAlan Cox static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) 6404d8d096eSAlan Cox { 6414d8d096eSAlan Cox struct psb_framebuffer *psbfb = to_psb_fb(fb); 6424d8d096eSAlan Cox struct gtt_range *r = psbfb->gtt; 6434d8d096eSAlan Cox struct drm_device *dev = fb->dev; 6444d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 6454d8d096eSAlan Cox struct psb_fbdev *fbdev = dev_priv->fbdev; 6464d8d096eSAlan Cox struct drm_crtc *crtc; 6474d8d096eSAlan Cox int reset = 0; 6484d8d096eSAlan Cox 6494d8d096eSAlan Cox /* Should never get stolen memory for a user fb */ 6504d8d096eSAlan Cox WARN_ON(r->stolen); 6514d8d096eSAlan Cox 6524d8d096eSAlan Cox /* Check if we are erroneously live */ 6534d8d096eSAlan Cox list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 6544d8d096eSAlan Cox if (crtc->fb == fb) 6554d8d096eSAlan Cox reset = 1; 6564d8d096eSAlan Cox 6574d8d096eSAlan Cox if (reset) 6584d8d096eSAlan Cox /* 6594d8d096eSAlan Cox * Now force a sane response before we permit the DRM CRTC 6604d8d096eSAlan Cox * layer to do stupid things like blank the display. Instead 6614d8d096eSAlan Cox * we reset this framebuffer as if the user had forced a reset. 6624d8d096eSAlan Cox * We must do this before the cleanup so that the DRM layer 6634d8d096eSAlan Cox * doesn't get a chance to stick its oar in where it isn't 6644d8d096eSAlan Cox * wanted. 6654d8d096eSAlan Cox */ 6664d8d096eSAlan Cox drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper); 6674d8d096eSAlan Cox 6684d8d096eSAlan Cox /* Let DRM do its clean up */ 6694d8d096eSAlan Cox drm_framebuffer_cleanup(fb); 6704d8d096eSAlan Cox /* We are no longer using the resource in GEM */ 6714d8d096eSAlan Cox drm_gem_object_unreference_unlocked(&r->gem); 6724d8d096eSAlan Cox kfree(fb); 6734d8d096eSAlan Cox } 6744d8d096eSAlan Cox 6754d8d096eSAlan Cox static const struct drm_mode_config_funcs psb_mode_funcs = { 6764d8d096eSAlan Cox .fb_create = psb_user_framebuffer_create, 6774d8d096eSAlan Cox .output_poll_changed = psbfb_output_poll_changed, 6784d8d096eSAlan Cox }; 6794d8d096eSAlan Cox 6804d8d096eSAlan Cox static int psb_create_backlight_property(struct drm_device *dev) 6814d8d096eSAlan Cox { 6824d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 6834d8d096eSAlan Cox struct drm_property *backlight; 6844d8d096eSAlan Cox 6854d8d096eSAlan Cox if (dev_priv->backlight_property) 6864d8d096eSAlan Cox return 0; 6874d8d096eSAlan Cox 6884d8d096eSAlan Cox backlight = drm_property_create(dev, DRM_MODE_PROP_RANGE, 6894d8d096eSAlan Cox "backlight", 2); 6904d8d096eSAlan Cox backlight->values[0] = 0; 6914d8d096eSAlan Cox backlight->values[1] = 100; 6924d8d096eSAlan Cox 6934d8d096eSAlan Cox dev_priv->backlight_property = backlight; 6944d8d096eSAlan Cox 6954d8d096eSAlan Cox return 0; 6964d8d096eSAlan Cox } 6974d8d096eSAlan Cox 6984d8d096eSAlan Cox static void psb_setup_outputs(struct drm_device *dev) 6994d8d096eSAlan Cox { 7004d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 7014d8d096eSAlan Cox struct drm_connector *connector; 7024d8d096eSAlan Cox 7034d8d096eSAlan Cox drm_mode_create_scaling_mode_property(dev); 7044d8d096eSAlan Cox psb_create_backlight_property(dev); 7054d8d096eSAlan Cox 7064d8d096eSAlan Cox dev_priv->ops->output_init(dev); 7074d8d096eSAlan Cox 7084d8d096eSAlan Cox list_for_each_entry(connector, &dev->mode_config.connector_list, 7094d8d096eSAlan Cox head) { 7104d8d096eSAlan Cox struct psb_intel_output *psb_intel_output = 7114d8d096eSAlan Cox to_psb_intel_output(connector); 7124d8d096eSAlan Cox struct drm_encoder *encoder = &psb_intel_output->enc; 7134d8d096eSAlan Cox int crtc_mask = 0, clone_mask = 0; 7144d8d096eSAlan Cox 7154d8d096eSAlan Cox /* valid crtcs */ 7164d8d096eSAlan Cox switch (psb_intel_output->type) { 7174d8d096eSAlan Cox case INTEL_OUTPUT_ANALOG: 7184d8d096eSAlan Cox crtc_mask = (1 << 0); 7194d8d096eSAlan Cox clone_mask = (1 << INTEL_OUTPUT_ANALOG); 7204d8d096eSAlan Cox break; 7214d8d096eSAlan Cox case INTEL_OUTPUT_SDVO: 7224d8d096eSAlan Cox crtc_mask = ((1 << 0) | (1 << 1)); 7234d8d096eSAlan Cox clone_mask = (1 << INTEL_OUTPUT_SDVO); 7244d8d096eSAlan Cox break; 7254d8d096eSAlan Cox case INTEL_OUTPUT_LVDS: 7264d8d096eSAlan Cox if (IS_MRST(dev)) 7274d8d096eSAlan Cox crtc_mask = (1 << 0); 7284d8d096eSAlan Cox else 7294d8d096eSAlan Cox crtc_mask = (1 << 1); 7304d8d096eSAlan Cox clone_mask = (1 << INTEL_OUTPUT_LVDS); 7314d8d096eSAlan Cox break; 7324d8d096eSAlan Cox case INTEL_OUTPUT_MIPI: 7334d8d096eSAlan Cox crtc_mask = (1 << 0); 7344d8d096eSAlan Cox clone_mask = (1 << INTEL_OUTPUT_MIPI); 7354d8d096eSAlan Cox break; 7364d8d096eSAlan Cox case INTEL_OUTPUT_MIPI2: 7374d8d096eSAlan Cox crtc_mask = (1 << 2); 7384d8d096eSAlan Cox clone_mask = (1 << INTEL_OUTPUT_MIPI2); 7394d8d096eSAlan Cox break; 7404d8d096eSAlan Cox case INTEL_OUTPUT_HDMI: 7414d8d096eSAlan Cox if (IS_MFLD(dev)) 7424d8d096eSAlan Cox crtc_mask = (1 << 1); 7434d8d096eSAlan Cox else 7444d8d096eSAlan Cox crtc_mask = (1 << 0); 7454d8d096eSAlan Cox clone_mask = (1 << INTEL_OUTPUT_HDMI); 7464d8d096eSAlan Cox break; 7474d8d096eSAlan Cox } 7484d8d096eSAlan Cox encoder->possible_crtcs = crtc_mask; 7494d8d096eSAlan Cox encoder->possible_clones = 7504d8d096eSAlan Cox psb_intel_connector_clones(dev, clone_mask); 7514d8d096eSAlan Cox } 7524d8d096eSAlan Cox } 7534d8d096eSAlan Cox 7544d8d096eSAlan Cox void psb_modeset_init(struct drm_device *dev) 7554d8d096eSAlan Cox { 7564d8d096eSAlan Cox struct drm_psb_private *dev_priv = dev->dev_private; 7574d8d096eSAlan Cox struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; 7584d8d096eSAlan Cox int i; 7594d8d096eSAlan Cox 7604d8d096eSAlan Cox drm_mode_config_init(dev); 7614d8d096eSAlan Cox 7624d8d096eSAlan Cox dev->mode_config.min_width = 0; 7634d8d096eSAlan Cox dev->mode_config.min_height = 0; 7644d8d096eSAlan Cox 7654d8d096eSAlan Cox dev->mode_config.funcs = (void *) &psb_mode_funcs; 7664d8d096eSAlan Cox 7674d8d096eSAlan Cox /* set memory base */ 7684d8d096eSAlan Cox /* MRST and PSB should use BAR 2*/ 7694d8d096eSAlan Cox pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *) 7704d8d096eSAlan Cox &(dev->mode_config.fb_base)); 7714d8d096eSAlan Cox 7724d8d096eSAlan Cox /* num pipes is 2 for PSB but 1 for Mrst */ 7734d8d096eSAlan Cox for (i = 0; i < dev_priv->num_pipe; i++) 7744d8d096eSAlan Cox psb_intel_crtc_init(dev, i, mode_dev); 7754d8d096eSAlan Cox 7764d8d096eSAlan Cox dev->mode_config.max_width = 2048; 7774d8d096eSAlan Cox dev->mode_config.max_height = 2048; 7784d8d096eSAlan Cox 7794d8d096eSAlan Cox psb_setup_outputs(dev); 7804d8d096eSAlan Cox } 7814d8d096eSAlan Cox 7824d8d096eSAlan Cox void psb_modeset_cleanup(struct drm_device *dev) 7834d8d096eSAlan Cox { 7844d8d096eSAlan Cox mutex_lock(&dev->struct_mutex); 7854d8d096eSAlan Cox 7864d8d096eSAlan Cox drm_kms_helper_poll_fini(dev); 7874d8d096eSAlan Cox psb_fbdev_fini(dev); 7884d8d096eSAlan Cox drm_mode_config_cleanup(dev); 7894d8d096eSAlan Cox 7904d8d096eSAlan Cox mutex_unlock(&dev->struct_mutex); 7914d8d096eSAlan Cox } 792