Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * Copyright (c) 2007-2011, Intel Corporation. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms and conditions of the GNU General Public License, |
| 7 | * version 2, as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 17 | * |
| 18 | **************************************************************************/ |
| 19 | |
| 20 | #include <linux/module.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/errno.h> |
| 23 | #include <linux/string.h> |
| 24 | #include <linux/mm.h> |
| 25 | #include <linux/tty.h> |
| 26 | #include <linux/slab.h> |
| 27 | #include <linux/delay.h> |
| 28 | #include <linux/fb.h> |
| 29 | #include <linux/init.h> |
| 30 | #include <linux/console.h> |
| 31 | |
| 32 | #include <drm/drmP.h> |
| 33 | #include <drm/drm.h> |
| 34 | #include <drm/drm_crtc.h> |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 35 | #include <drm/drm_fb_helper.h> |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 36 | |
| 37 | #include "psb_drv.h" |
| 38 | #include "psb_intel_reg.h" |
| 39 | #include "psb_intel_drv.h" |
| 40 | #include "framebuffer.h" |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 41 | #include "gtt.h" |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 42 | |
| 43 | static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb); |
| 44 | static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, |
| 45 | struct drm_file *file_priv, |
| 46 | unsigned int *handle); |
| 47 | |
| 48 | static const struct drm_framebuffer_funcs psb_fb_funcs = { |
| 49 | .destroy = psb_user_framebuffer_destroy, |
| 50 | .create_handle = psb_user_framebuffer_create_handle, |
| 51 | }; |
| 52 | |
| 53 | #define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) |
| 54 | |
| 55 | static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, |
| 56 | unsigned blue, unsigned transp, |
| 57 | struct fb_info *info) |
| 58 | { |
| 59 | struct psb_fbdev *fbdev = info->par; |
| 60 | struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; |
| 61 | uint32_t v; |
| 62 | |
| 63 | if (!fb) |
| 64 | return -ENOMEM; |
| 65 | |
| 66 | if (regno > 255) |
| 67 | return 1; |
| 68 | |
| 69 | red = CMAP_TOHW(red, info->var.red.length); |
| 70 | blue = CMAP_TOHW(blue, info->var.blue.length); |
| 71 | green = CMAP_TOHW(green, info->var.green.length); |
| 72 | transp = CMAP_TOHW(transp, info->var.transp.length); |
| 73 | |
| 74 | v = (red << info->var.red.offset) | |
| 75 | (green << info->var.green.offset) | |
| 76 | (blue << info->var.blue.offset) | |
| 77 | (transp << info->var.transp.offset); |
| 78 | |
| 79 | if (regno < 16) { |
| 80 | switch (fb->bits_per_pixel) { |
| 81 | case 16: |
| 82 | ((uint32_t *) info->pseudo_palette)[regno] = v; |
| 83 | break; |
| 84 | case 24: |
| 85 | case 32: |
| 86 | ((uint32_t *) info->pseudo_palette)[regno] = v; |
| 87 | break; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | return 0; |
| 92 | } |
| 93 | |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 94 | static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) |
| 95 | { |
| 96 | struct psb_fbdev *fbdev = info->par; |
| 97 | struct psb_framebuffer *psbfb = &fbdev->pfb; |
| 98 | struct drm_device *dev = psbfb->base.dev; |
| 99 | |
| 100 | /* |
| 101 | * We have to poke our nose in here. The core fb code assumes |
| 102 | * panning is part of the hardware that can be invoked before |
| 103 | * the actual fb is mapped. In our case that isn't quite true. |
| 104 | */ |
| 105 | if (psbfb->gtt->npage) { |
| 106 | /* GTT roll shifts in 4K pages, we need to shift the right |
| 107 | number of pages */ |
| 108 | int pages = info->fix.line_length >> 12; |
| 109 | psb_gtt_roll(dev, psbfb->gtt, var->yoffset * pages); |
| 110 | } |
| 111 | return 0; |
| 112 | } |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 113 | |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 114 | static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) |
| 115 | { |
| 116 | struct psb_framebuffer *psbfb = vma->vm_private_data; |
| 117 | struct drm_device *dev = psbfb->base.dev; |
| 118 | struct drm_psb_private *dev_priv = dev->dev_private; |
| 119 | int page_num; |
| 120 | int i; |
| 121 | unsigned long address; |
| 122 | int ret; |
| 123 | unsigned long pfn; |
Patrik Jakobsson | 61bb3fe | 2013-05-14 14:37:10 +0200 | [diff] [blame] | 124 | unsigned long phys_addr = (unsigned long)dev_priv->stolen_base + |
| 125 | psbfb->gtt->offset; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 126 | |
| 127 | page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; |
Yoichi Yuasa | 1278f7d | 2012-03-15 14:50:16 +0000 | [diff] [blame] | 128 | address = (unsigned long)vmf->virtual_address - (vmf->pgoff << PAGE_SHIFT); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 129 | |
| 130 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
| 131 | |
| 132 | for (i = 0; i < page_num; i++) { |
| 133 | pfn = (phys_addr >> PAGE_SHIFT); |
| 134 | |
| 135 | ret = vm_insert_mixed(vma, address, pfn); |
| 136 | if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) |
| 137 | break; |
| 138 | else if (unlikely(ret != 0)) { |
| 139 | ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; |
| 140 | return ret; |
| 141 | } |
| 142 | address += PAGE_SIZE; |
| 143 | phys_addr += PAGE_SIZE; |
| 144 | } |
| 145 | return VM_FAULT_NOPAGE; |
| 146 | } |
| 147 | |
| 148 | static void psbfb_vm_open(struct vm_area_struct *vma) |
| 149 | { |
| 150 | } |
| 151 | |
| 152 | static void psbfb_vm_close(struct vm_area_struct *vma) |
| 153 | { |
| 154 | } |
| 155 | |
Laurent Pinchart | 78b6855 | 2012-05-17 13:27:22 +0200 | [diff] [blame] | 156 | static const struct vm_operations_struct psbfb_vm_ops = { |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 157 | .fault = psbfb_vm_fault, |
| 158 | .open = psbfb_vm_open, |
| 159 | .close = psbfb_vm_close |
| 160 | }; |
| 161 | |
| 162 | static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) |
| 163 | { |
| 164 | struct psb_fbdev *fbdev = info->par; |
| 165 | struct psb_framebuffer *psbfb = &fbdev->pfb; |
| 166 | |
| 167 | if (vma->vm_pgoff != 0) |
| 168 | return -EINVAL; |
| 169 | if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) |
| 170 | return -EINVAL; |
| 171 | |
| 172 | if (!psbfb->addr_space) |
| 173 | psbfb->addr_space = vma->vm_file->f_mapping; |
| 174 | /* |
| 175 | * If this is a GEM object then info->screen_base is the virtual |
| 176 | * kernel remapping of the object. FIXME: Review if this is |
| 177 | * suitable for our mmap work |
| 178 | */ |
| 179 | vma->vm_ops = &psbfb_vm_ops; |
| 180 | vma->vm_private_data = (void *)psbfb; |
Konstantin Khlebnikov | 314e51b | 2012-10-08 16:29:02 -0700 | [diff] [blame] | 181 | vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 182 | return 0; |
| 183 | } |
| 184 | |
| 185 | static int psbfb_ioctl(struct fb_info *info, unsigned int cmd, |
| 186 | unsigned long arg) |
| 187 | { |
| 188 | return -ENOTTY; |
| 189 | } |
| 190 | |
| 191 | static struct fb_ops psbfb_ops = { |
| 192 | .owner = THIS_MODULE, |
| 193 | .fb_check_var = drm_fb_helper_check_var, |
| 194 | .fb_set_par = drm_fb_helper_set_par, |
| 195 | .fb_blank = drm_fb_helper_blank, |
| 196 | .fb_setcolreg = psbfb_setcolreg, |
Archit Taneja | 546187c | 2015-07-22 14:58:10 +0530 | [diff] [blame] | 197 | .fb_fillrect = drm_fb_helper_cfb_fillrect, |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 198 | .fb_copyarea = psbfb_copyarea, |
Archit Taneja | 546187c | 2015-07-22 14:58:10 +0530 | [diff] [blame] | 199 | .fb_imageblit = drm_fb_helper_cfb_imageblit, |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 200 | .fb_mmap = psbfb_mmap, |
| 201 | .fb_sync = psbfb_sync, |
| 202 | .fb_ioctl = psbfb_ioctl, |
| 203 | }; |
| 204 | |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 205 | static struct fb_ops psbfb_roll_ops = { |
| 206 | .owner = THIS_MODULE, |
| 207 | .fb_check_var = drm_fb_helper_check_var, |
| 208 | .fb_set_par = drm_fb_helper_set_par, |
| 209 | .fb_blank = drm_fb_helper_blank, |
| 210 | .fb_setcolreg = psbfb_setcolreg, |
Archit Taneja | 546187c | 2015-07-22 14:58:10 +0530 | [diff] [blame] | 211 | .fb_fillrect = drm_fb_helper_cfb_fillrect, |
| 212 | .fb_copyarea = drm_fb_helper_cfb_copyarea, |
| 213 | .fb_imageblit = drm_fb_helper_cfb_imageblit, |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 214 | .fb_pan_display = psbfb_pan, |
| 215 | .fb_mmap = psbfb_mmap, |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 216 | .fb_ioctl = psbfb_ioctl, |
| 217 | }; |
| 218 | |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 219 | static struct fb_ops psbfb_unaccel_ops = { |
| 220 | .owner = THIS_MODULE, |
| 221 | .fb_check_var = drm_fb_helper_check_var, |
| 222 | .fb_set_par = drm_fb_helper_set_par, |
| 223 | .fb_blank = drm_fb_helper_blank, |
| 224 | .fb_setcolreg = psbfb_setcolreg, |
Archit Taneja | 546187c | 2015-07-22 14:58:10 +0530 | [diff] [blame] | 225 | .fb_fillrect = drm_fb_helper_cfb_fillrect, |
| 226 | .fb_copyarea = drm_fb_helper_cfb_copyarea, |
| 227 | .fb_imageblit = drm_fb_helper_cfb_imageblit, |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 228 | .fb_mmap = psbfb_mmap, |
| 229 | .fb_ioctl = psbfb_ioctl, |
| 230 | }; |
| 231 | |
| 232 | /** |
| 233 | * psb_framebuffer_init - initialize a framebuffer |
| 234 | * @dev: our DRM device |
| 235 | * @fb: framebuffer to set up |
| 236 | * @mode_cmd: mode description |
| 237 | * @gt: backing object |
| 238 | * |
| 239 | * Configure and fill in the boilerplate for our frame buffer. Return |
| 240 | * 0 on success or an error code if we fail. |
| 241 | */ |
| 242 | static int psb_framebuffer_init(struct drm_device *dev, |
| 243 | struct psb_framebuffer *fb, |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 244 | struct drm_mode_fb_cmd2 *mode_cmd, |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 245 | struct gtt_range *gt) |
| 246 | { |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 247 | u32 bpp, depth; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 248 | int ret; |
| 249 | |
Dave Airlie | 248dbc2 | 2011-11-29 20:02:54 +0000 | [diff] [blame] | 250 | drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp); |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 251 | |
| 252 | if (mode_cmd->pitches[0] & 63) |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 253 | return -EINVAL; |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 254 | switch (bpp) { |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 255 | case 8: |
| 256 | case 16: |
| 257 | case 24: |
| 258 | case 32: |
| 259 | break; |
| 260 | default: |
| 261 | return -EINVAL; |
| 262 | } |
Daniel Vetter | c7d73f6 | 2012-12-13 23:38:38 +0100 | [diff] [blame] | 263 | drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd); |
| 264 | fb->gtt = gt; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 265 | ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); |
| 266 | if (ret) { |
| 267 | dev_err(dev->dev, "framebuffer init failed: %d\n", ret); |
| 268 | return ret; |
| 269 | } |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 270 | return 0; |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * psb_framebuffer_create - create a framebuffer backed by gt |
| 275 | * @dev: our DRM device |
| 276 | * @mode_cmd: the description of the requested mode |
| 277 | * @gt: the backing object |
| 278 | * |
| 279 | * Create a framebuffer object backed by the gt, and fill in the |
| 280 | * boilerplate required |
| 281 | * |
| 282 | * TODO: review object references |
| 283 | */ |
| 284 | |
| 285 | static struct drm_framebuffer *psb_framebuffer_create |
| 286 | (struct drm_device *dev, |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 287 | struct drm_mode_fb_cmd2 *mode_cmd, |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 288 | struct gtt_range *gt) |
| 289 | { |
| 290 | struct psb_framebuffer *fb; |
| 291 | int ret; |
| 292 | |
| 293 | fb = kzalloc(sizeof(*fb), GFP_KERNEL); |
| 294 | if (!fb) |
| 295 | return ERR_PTR(-ENOMEM); |
| 296 | |
| 297 | ret = psb_framebuffer_init(dev, fb, mode_cmd, gt); |
| 298 | if (ret) { |
| 299 | kfree(fb); |
| 300 | return ERR_PTR(ret); |
| 301 | } |
| 302 | return &fb->base; |
| 303 | } |
| 304 | |
| 305 | /** |
| 306 | * psbfb_alloc - allocate frame buffer memory |
| 307 | * @dev: the DRM device |
| 308 | * @aligned_size: space needed |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 309 | * @force: fall back to GEM buffers if need be |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 310 | * |
| 311 | * Allocate the frame buffer. In the usual case we get a GTT range that |
| 312 | * is stolen memory backed and life is simple. If there isn't sufficient |
Alan Cox | dffc9ce | 2011-11-29 22:19:47 +0000 | [diff] [blame] | 313 | * we fail as we don't have the virtual mapping space to really vmap it |
| 314 | * and the kernel console code can't handle non linear framebuffers. |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 315 | * |
Alan Cox | dffc9ce | 2011-11-29 22:19:47 +0000 | [diff] [blame] | 316 | * Re-address this as and if the framebuffer layer grows this ability. |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 317 | */ |
| 318 | static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size) |
| 319 | { |
| 320 | struct gtt_range *backing; |
| 321 | /* Begin by trying to use stolen memory backing */ |
Patrik Jakobsson | c269c68 | 2014-01-06 02:39:10 +0100 | [diff] [blame] | 322 | backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 323 | if (backing) { |
David Herrmann | 89c8233 | 2013-07-11 11:56:32 +0200 | [diff] [blame] | 324 | drm_gem_private_object_init(dev, &backing->gem, aligned_size); |
| 325 | return backing; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 326 | } |
Alan Cox | dffc9ce | 2011-11-29 22:19:47 +0000 | [diff] [blame] | 327 | return NULL; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | /** |
| 331 | * psbfb_create - create a framebuffer |
| 332 | * @fbdev: the framebuffer device |
| 333 | * @sizes: specification of the layout |
| 334 | * |
| 335 | * Create a framebuffer to the specifications provided |
| 336 | */ |
| 337 | static int psbfb_create(struct psb_fbdev *fbdev, |
| 338 | struct drm_fb_helper_surface_size *sizes) |
| 339 | { |
| 340 | struct drm_device *dev = fbdev->psb_fb_helper.dev; |
| 341 | struct drm_psb_private *dev_priv = dev->dev_private; |
| 342 | struct fb_info *info; |
| 343 | struct drm_framebuffer *fb; |
| 344 | struct psb_framebuffer *psbfb = &fbdev->pfb; |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 345 | struct drm_mode_fb_cmd2 mode_cmd; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 346 | int size; |
| 347 | int ret; |
| 348 | struct gtt_range *backing; |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 349 | u32 bpp, depth; |
Alan Cox | 1b223c9 | 2011-11-29 22:27:34 +0000 | [diff] [blame] | 350 | int gtt_roll = 0; |
| 351 | int pitch_lines = 0; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 352 | |
| 353 | mode_cmd.width = sizes->surface_width; |
| 354 | mode_cmd.height = sizes->surface_height; |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 355 | bpp = sizes->surface_bpp; |
Kirill A. Shutemov | 6aa1ead | 2012-03-08 16:02:36 +0000 | [diff] [blame] | 356 | depth = sizes->surface_depth; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 357 | |
| 358 | /* No 24bit packed */ |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 359 | if (bpp == 24) |
| 360 | bpp = 32; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 361 | |
Alan Cox | 1b223c9 | 2011-11-29 22:27:34 +0000 | [diff] [blame] | 362 | do { |
| 363 | /* |
| 364 | * Acceleration via the GTT requires pitch to be |
| 365 | * power of two aligned. Preferably page but less |
| 366 | * is ok with some fonts |
| 367 | */ |
| 368 | mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096 >> pitch_lines); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 369 | |
Alan Cox | 1b223c9 | 2011-11-29 22:27:34 +0000 | [diff] [blame] | 370 | size = mode_cmd.pitches[0] * mode_cmd.height; |
| 371 | size = ALIGN(size, PAGE_SIZE); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 372 | |
Alan Cox | 1b223c9 | 2011-11-29 22:27:34 +0000 | [diff] [blame] | 373 | /* Allocate the fb in the GTT with stolen page backing */ |
| 374 | backing = psbfb_alloc(dev, size); |
| 375 | |
| 376 | if (pitch_lines) |
| 377 | pitch_lines *= 2; |
| 378 | else |
| 379 | pitch_lines = 1; |
| 380 | gtt_roll++; |
| 381 | } while (backing == NULL && pitch_lines <= 16); |
| 382 | |
| 383 | /* The final pitch we accepted if we succeeded */ |
| 384 | pitch_lines /= 2; |
| 385 | |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 386 | if (backing == NULL) { |
| 387 | /* |
| 388 | * We couldn't get the space we wanted, fall back to the |
| 389 | * display engine requirement instead. The HW requires |
| 390 | * the pitch to be 64 byte aligned |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 391 | */ |
| 392 | |
| 393 | gtt_roll = 0; /* Don't use GTT accelerated scrolling */ |
Alan Cox | 1b223c9 | 2011-11-29 22:27:34 +0000 | [diff] [blame] | 394 | pitch_lines = 64; |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 395 | |
| 396 | mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64); |
| 397 | |
| 398 | size = mode_cmd.pitches[0] * mode_cmd.height; |
| 399 | size = ALIGN(size, PAGE_SIZE); |
| 400 | |
| 401 | /* Allocate the framebuffer in the GTT with stolen page backing */ |
| 402 | backing = psbfb_alloc(dev, size); |
| 403 | if (backing == NULL) |
| 404 | return -ENOMEM; |
| 405 | } |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 406 | |
Alan Cox | bb84977 | 2012-05-03 15:05:53 +0100 | [diff] [blame] | 407 | memset(dev_priv->vram_addr + backing->offset, 0, size); |
| 408 | |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 409 | mutex_lock(&dev->struct_mutex); |
| 410 | |
Archit Taneja | 546187c | 2015-07-22 14:58:10 +0530 | [diff] [blame] | 411 | info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper); |
| 412 | if (IS_ERR(info)) { |
| 413 | ret = PTR_ERR(info); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 414 | goto out_err1; |
| 415 | } |
| 416 | info->par = fbdev; |
| 417 | |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 418 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
| 419 | |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 420 | ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing); |
| 421 | if (ret) |
| 422 | goto out_unref; |
| 423 | |
| 424 | fb = &psbfb->base; |
| 425 | psbfb->fbdev = info; |
| 426 | |
| 427 | fbdev->psb_fb_helper.fb = fb; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 428 | |
Alan Cox | 4578240 | 2012-03-08 16:01:39 +0000 | [diff] [blame] | 429 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); |
Patrik Jakobsson | f9d8149 | 2013-04-03 23:52:04 +0200 | [diff] [blame] | 430 | strcpy(info->fix.id, "psbdrmfb"); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 431 | |
| 432 | info->flags = FBINFO_DEFAULT; |
Alan Cox | 1b223c9 | 2011-11-29 22:27:34 +0000 | [diff] [blame] | 433 | if (dev_priv->ops->accel_2d && pitch_lines > 8) /* 2D engine */ |
| 434 | info->fbops = &psbfb_ops; |
| 435 | else if (gtt_roll) { /* GTT rolling seems best */ |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 436 | info->fbops = &psbfb_roll_ops; |
| 437 | info->flags |= FBINFO_HWACCEL_YPAN; |
Alan Cox | 1b223c9 | 2011-11-29 22:27:34 +0000 | [diff] [blame] | 438 | } else /* Software */ |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 439 | info->fbops = &psbfb_unaccel_ops; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 440 | |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 441 | info->fix.smem_start = dev->mode_config.fb_base; |
| 442 | info->fix.smem_len = size; |
Alan Cox | a6ba582 | 2011-11-29 22:27:22 +0000 | [diff] [blame] | 443 | info->fix.ywrapstep = gtt_roll; |
| 444 | info->fix.ypanstep = 0; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 445 | |
Alan Cox | dffc9ce | 2011-11-29 22:19:47 +0000 | [diff] [blame] | 446 | /* Accessed stolen memory directly */ |
Kirill A. Shutemov | 37214ca | 2012-05-03 15:08:26 +0100 | [diff] [blame] | 447 | info->screen_base = dev_priv->vram_addr + backing->offset; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 448 | info->screen_size = size; |
| 449 | |
| 450 | if (dev_priv->gtt.stolen_size) { |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 451 | info->apertures->ranges[0].base = dev->mode_config.fb_base; |
| 452 | info->apertures->ranges[0].size = dev_priv->gtt.stolen_size; |
| 453 | } |
| 454 | |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 455 | drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, |
| 456 | sizes->fb_width, sizes->fb_height); |
| 457 | |
| 458 | info->fix.mmio_start = pci_resource_start(dev->pdev, 0); |
| 459 | info->fix.mmio_len = pci_resource_len(dev->pdev, 0); |
| 460 | |
Sascha Hauer | fb2a99e | 2012-02-06 10:58:19 +0100 | [diff] [blame] | 461 | /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 462 | |
Alan Cox | 31a0685 | 2012-05-11 11:32:31 +0100 | [diff] [blame] | 463 | dev_dbg(dev->dev, "allocated %dx%d fb\n", |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 464 | psbfb->base.width, psbfb->base.height); |
| 465 | |
| 466 | mutex_unlock(&dev->struct_mutex); |
| 467 | return 0; |
| 468 | out_unref: |
| 469 | if (backing->stolen) |
| 470 | psb_gtt_free_range(dev, backing); |
Alan Cox | dffc9ce | 2011-11-29 22:19:47 +0000 | [diff] [blame] | 471 | else |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 472 | drm_gem_object_unreference(&backing->gem); |
Archit Taneja | 546187c | 2015-07-22 14:58:10 +0530 | [diff] [blame] | 473 | |
| 474 | drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 475 | out_err1: |
| 476 | mutex_unlock(&dev->struct_mutex); |
| 477 | psb_gtt_free_range(dev, backing); |
| 478 | return ret; |
| 479 | } |
| 480 | |
| 481 | /** |
| 482 | * psb_user_framebuffer_create - create framebuffer |
| 483 | * @dev: our DRM device |
| 484 | * @filp: client file |
| 485 | * @cmd: mode request |
| 486 | * |
| 487 | * Create a new framebuffer backed by a userspace GEM object |
| 488 | */ |
| 489 | static struct drm_framebuffer *psb_user_framebuffer_create |
| 490 | (struct drm_device *dev, struct drm_file *filp, |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 491 | struct drm_mode_fb_cmd2 *cmd) |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 492 | { |
| 493 | struct gtt_range *r; |
| 494 | struct drm_gem_object *obj; |
| 495 | |
| 496 | /* |
| 497 | * Find the GEM object and thus the gtt range object that is |
| 498 | * to back this space |
| 499 | */ |
Dave Airlie | a9a644a | 2011-11-28 14:08:46 +0000 | [diff] [blame] | 500 | obj = drm_gem_object_lookup(dev, filp, cmd->handles[0]); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 501 | if (obj == NULL) |
| 502 | return ERR_PTR(-ENOENT); |
| 503 | |
| 504 | /* Let the core code do all the work */ |
| 505 | r = container_of(obj, struct gtt_range, gem); |
| 506 | return psb_framebuffer_create(dev, cmd, r); |
| 507 | } |
| 508 | |
| 509 | static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, |
| 510 | u16 blue, int regno) |
| 511 | { |
Patrik Jakobsson | 6306865 | 2013-07-22 01:31:23 +0200 | [diff] [blame] | 512 | struct gma_crtc *gma_crtc = to_gma_crtc(crtc); |
Alan Cox | 3df546b | 2012-03-08 16:00:00 +0000 | [diff] [blame] | 513 | |
Patrik Jakobsson | 6306865 | 2013-07-22 01:31:23 +0200 | [diff] [blame] | 514 | gma_crtc->lut_r[regno] = red >> 8; |
| 515 | gma_crtc->lut_g[regno] = green >> 8; |
| 516 | gma_crtc->lut_b[regno] = blue >> 8; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 517 | } |
| 518 | |
| 519 | static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red, |
| 520 | u16 *green, u16 *blue, int regno) |
| 521 | { |
Patrik Jakobsson | 6306865 | 2013-07-22 01:31:23 +0200 | [diff] [blame] | 522 | struct gma_crtc *gma_crtc = to_gma_crtc(crtc); |
Alan Cox | 3df546b | 2012-03-08 16:00:00 +0000 | [diff] [blame] | 523 | |
Patrik Jakobsson | 6306865 | 2013-07-22 01:31:23 +0200 | [diff] [blame] | 524 | *red = gma_crtc->lut_r[regno] << 8; |
| 525 | *green = gma_crtc->lut_g[regno] << 8; |
| 526 | *blue = gma_crtc->lut_b[regno] << 8; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | static int psbfb_probe(struct drm_fb_helper *helper, |
| 530 | struct drm_fb_helper_surface_size *sizes) |
| 531 | { |
Fabian Frederick | c39aa6a | 2014-09-14 18:40:20 +0200 | [diff] [blame] | 532 | struct psb_fbdev *psb_fbdev = |
| 533 | container_of(helper, struct psb_fbdev, psb_fb_helper); |
Alan Cox | 3aad16d | 2012-04-25 14:37:40 +0100 | [diff] [blame] | 534 | struct drm_device *dev = psb_fbdev->psb_fb_helper.dev; |
| 535 | struct drm_psb_private *dev_priv = dev->dev_private; |
Alan Cox | 3aad16d | 2012-04-25 14:37:40 +0100 | [diff] [blame] | 536 | int bytespp; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 537 | |
Alan Cox | 3aad16d | 2012-04-25 14:37:40 +0100 | [diff] [blame] | 538 | bytespp = sizes->surface_bpp / 8; |
| 539 | if (bytespp == 3) /* no 24bit packed */ |
| 540 | bytespp = 4; |
| 541 | |
| 542 | /* If the mode will not fit in 32bit then switch to 16bit to get |
| 543 | a console on full resolution. The X mode setting server will |
| 544 | allocate its own 32bit GEM framebuffer */ |
| 545 | if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height > |
| 546 | dev_priv->vram_stolen_size) { |
| 547 | sizes->surface_bpp = 16; |
| 548 | sizes->surface_depth = 16; |
| 549 | } |
| 550 | |
Daniel Vetter | cd5428a | 2013-01-21 23:42:49 +0100 | [diff] [blame] | 551 | return psbfb_create(psb_fbdev, sizes); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 552 | } |
| 553 | |
Thierry Reding | 3a49387 | 2014-06-27 17:19:23 +0200 | [diff] [blame] | 554 | static const struct drm_fb_helper_funcs psb_fb_helper_funcs = { |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 555 | .gamma_set = psbfb_gamma_set, |
| 556 | .gamma_get = psbfb_gamma_get, |
| 557 | .fb_probe = psbfb_probe, |
| 558 | }; |
| 559 | |
Kirill A. Shutemov | bc7f2b0 | 2012-03-08 16:03:44 +0000 | [diff] [blame] | 560 | static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 561 | { |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 562 | struct psb_framebuffer *psbfb = &fbdev->pfb; |
| 563 | |
Archit Taneja | 546187c | 2015-07-22 14:58:10 +0530 | [diff] [blame] | 564 | drm_fb_helper_unregister_fbi(&fbdev->psb_fb_helper); |
| 565 | drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); |
| 566 | |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 567 | drm_fb_helper_fini(&fbdev->psb_fb_helper); |
Daniel Vetter | 3620636 | 2012-12-10 20:42:17 +0100 | [diff] [blame] | 568 | drm_framebuffer_unregister_private(&psbfb->base); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 569 | drm_framebuffer_cleanup(&psbfb->base); |
| 570 | |
| 571 | if (psbfb->gtt) |
| 572 | drm_gem_object_unreference(&psbfb->gtt->gem); |
| 573 | return 0; |
| 574 | } |
| 575 | |
| 576 | int psb_fbdev_init(struct drm_device *dev) |
| 577 | { |
| 578 | struct psb_fbdev *fbdev; |
| 579 | struct drm_psb_private *dev_priv = dev->dev_private; |
Thierry Reding | 01934c2 | 2014-12-19 11:21:32 +0100 | [diff] [blame] | 580 | int ret; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 581 | |
| 582 | fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); |
| 583 | if (!fbdev) { |
| 584 | dev_err(dev->dev, "no memory\n"); |
| 585 | return -ENOMEM; |
| 586 | } |
| 587 | |
| 588 | dev_priv->fbdev = fbdev; |
Thierry Reding | 10a2310 | 2014-06-27 17:19:24 +0200 | [diff] [blame] | 589 | |
| 590 | drm_fb_helper_prepare(dev, &fbdev->psb_fb_helper, &psb_fb_helper_funcs); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 591 | |
Thierry Reding | 01934c2 | 2014-12-19 11:21:32 +0100 | [diff] [blame] | 592 | ret = drm_fb_helper_init(dev, &fbdev->psb_fb_helper, |
| 593 | dev_priv->ops->crtcs, INTELFB_CONN_LIMIT); |
| 594 | if (ret) |
| 595 | goto free; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 596 | |
Thierry Reding | 01934c2 | 2014-12-19 11:21:32 +0100 | [diff] [blame] | 597 | ret = drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); |
| 598 | if (ret) |
| 599 | goto fini; |
Daniel Vetter | 76a39db | 2013-01-20 23:12:54 +0100 | [diff] [blame] | 600 | |
| 601 | /* disable all the possible outputs/crtcs before entering KMS mode */ |
| 602 | drm_helper_disable_unused_functions(dev); |
| 603 | |
Thierry Reding | 01934c2 | 2014-12-19 11:21:32 +0100 | [diff] [blame] | 604 | ret = drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); |
| 605 | if (ret) |
| 606 | goto fini; |
| 607 | |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 608 | return 0; |
Thierry Reding | 01934c2 | 2014-12-19 11:21:32 +0100 | [diff] [blame] | 609 | |
| 610 | fini: |
| 611 | drm_fb_helper_fini(&fbdev->psb_fb_helper); |
| 612 | free: |
| 613 | kfree(fbdev); |
| 614 | return ret; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 615 | } |
| 616 | |
Kirill A. Shutemov | bc7f2b0 | 2012-03-08 16:03:44 +0000 | [diff] [blame] | 617 | static void psb_fbdev_fini(struct drm_device *dev) |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 618 | { |
| 619 | struct drm_psb_private *dev_priv = dev->dev_private; |
| 620 | |
| 621 | if (!dev_priv->fbdev) |
| 622 | return; |
| 623 | |
| 624 | psb_fbdev_destroy(dev, dev_priv->fbdev); |
| 625 | kfree(dev_priv->fbdev); |
| 626 | dev_priv->fbdev = NULL; |
| 627 | } |
| 628 | |
| 629 | static void psbfb_output_poll_changed(struct drm_device *dev) |
| 630 | { |
| 631 | struct drm_psb_private *dev_priv = dev->dev_private; |
| 632 | struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev; |
| 633 | drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper); |
| 634 | } |
| 635 | |
| 636 | /** |
| 637 | * psb_user_framebuffer_create_handle - add hamdle to a framebuffer |
| 638 | * @fb: framebuffer |
| 639 | * @file_priv: our DRM file |
| 640 | * @handle: returned handle |
| 641 | * |
| 642 | * Our framebuffer object is a GTT range which also contains a GEM |
| 643 | * object. We need to turn it into a handle for userspace. GEM will do |
| 644 | * the work for us |
| 645 | */ |
| 646 | static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, |
| 647 | struct drm_file *file_priv, |
| 648 | unsigned int *handle) |
| 649 | { |
| 650 | struct psb_framebuffer *psbfb = to_psb_fb(fb); |
| 651 | struct gtt_range *r = psbfb->gtt; |
| 652 | return drm_gem_handle_create(file_priv, &r->gem, handle); |
| 653 | } |
| 654 | |
| 655 | /** |
| 656 | * psb_user_framebuffer_destroy - destruct user created fb |
| 657 | * @fb: framebuffer |
| 658 | * |
| 659 | * User framebuffers are backed by GEM objects so all we have to do is |
| 660 | * clean up a bit and drop the reference, GEM will handle the fallout |
| 661 | */ |
| 662 | static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) |
| 663 | { |
| 664 | struct psb_framebuffer *psbfb = to_psb_fb(fb); |
| 665 | struct gtt_range *r = psbfb->gtt; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 666 | |
| 667 | /* Let DRM do its clean up */ |
| 668 | drm_framebuffer_cleanup(fb); |
| 669 | /* We are no longer using the resource in GEM */ |
| 670 | drm_gem_object_unreference_unlocked(&r->gem); |
| 671 | kfree(fb); |
| 672 | } |
| 673 | |
| 674 | static const struct drm_mode_config_funcs psb_mode_funcs = { |
| 675 | .fb_create = psb_user_framebuffer_create, |
| 676 | .output_poll_changed = psbfb_output_poll_changed, |
| 677 | }; |
| 678 | |
| 679 | static int psb_create_backlight_property(struct drm_device *dev) |
| 680 | { |
| 681 | struct drm_psb_private *dev_priv = dev->dev_private; |
| 682 | struct drm_property *backlight; |
| 683 | |
| 684 | if (dev_priv->backlight_property) |
| 685 | return 0; |
| 686 | |
Sascha Hauer | d9bc3c0 | 2012-02-06 10:58:18 +0100 | [diff] [blame] | 687 | backlight = drm_property_create_range(dev, 0, "backlight", 0, 100); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 688 | |
| 689 | dev_priv->backlight_property = backlight; |
| 690 | |
| 691 | return 0; |
| 692 | } |
| 693 | |
| 694 | static void psb_setup_outputs(struct drm_device *dev) |
| 695 | { |
| 696 | struct drm_psb_private *dev_priv = dev->dev_private; |
| 697 | struct drm_connector *connector; |
| 698 | |
| 699 | drm_mode_create_scaling_mode_property(dev); |
| 700 | psb_create_backlight_property(dev); |
| 701 | |
| 702 | dev_priv->ops->output_init(dev); |
| 703 | |
| 704 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 705 | head) { |
Patrik Jakobsson | 367e440 | 2013-07-22 17:45:26 +0200 | [diff] [blame] | 706 | struct gma_encoder *gma_encoder = gma_attached_encoder(connector); |
| 707 | struct drm_encoder *encoder = &gma_encoder->base; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 708 | int crtc_mask = 0, clone_mask = 0; |
| 709 | |
| 710 | /* valid crtcs */ |
Patrik Jakobsson | 367e440 | 2013-07-22 17:45:26 +0200 | [diff] [blame] | 711 | switch (gma_encoder->type) { |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 712 | case INTEL_OUTPUT_ANALOG: |
| 713 | crtc_mask = (1 << 0); |
| 714 | clone_mask = (1 << INTEL_OUTPUT_ANALOG); |
| 715 | break; |
| 716 | case INTEL_OUTPUT_SDVO: |
Patrik Jakobsson | cf8efd3 | 2013-09-16 17:54:54 +0200 | [diff] [blame] | 717 | crtc_mask = dev_priv->ops->sdvo_mask; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 718 | clone_mask = (1 << INTEL_OUTPUT_SDVO); |
| 719 | break; |
| 720 | case INTEL_OUTPUT_LVDS: |
Alan Cox | d235e64 | 2012-04-25 14:38:07 +0100 | [diff] [blame] | 721 | crtc_mask = dev_priv->ops->lvds_mask; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 722 | clone_mask = (1 << INTEL_OUTPUT_LVDS); |
| 723 | break; |
| 724 | case INTEL_OUTPUT_MIPI: |
| 725 | crtc_mask = (1 << 0); |
| 726 | clone_mask = (1 << INTEL_OUTPUT_MIPI); |
| 727 | break; |
| 728 | case INTEL_OUTPUT_MIPI2: |
| 729 | crtc_mask = (1 << 2); |
| 730 | clone_mask = (1 << INTEL_OUTPUT_MIPI2); |
| 731 | break; |
| 732 | case INTEL_OUTPUT_HDMI: |
Alan Cox | d235e64 | 2012-04-25 14:38:07 +0100 | [diff] [blame] | 733 | crtc_mask = dev_priv->ops->hdmi_mask; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 734 | clone_mask = (1 << INTEL_OUTPUT_HDMI); |
| 735 | break; |
Alan Cox | 220801b | 2012-08-08 13:54:41 +0000 | [diff] [blame] | 736 | case INTEL_OUTPUT_DISPLAYPORT: |
| 737 | crtc_mask = (1 << 0) | (1 << 1); |
| 738 | clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT); |
| 739 | break; |
Zhao Yakui | d112a81 | 2012-08-08 13:55:55 +0000 | [diff] [blame] | 740 | case INTEL_OUTPUT_EDP: |
| 741 | crtc_mask = (1 << 1); |
| 742 | clone_mask = (1 << INTEL_OUTPUT_EDP); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 743 | } |
| 744 | encoder->possible_crtcs = crtc_mask; |
| 745 | encoder->possible_clones = |
Patrik Jakobsson | a3d5d75 | 2013-07-22 17:05:25 +0200 | [diff] [blame] | 746 | gma_connector_clones(dev, clone_mask); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 747 | } |
| 748 | } |
| 749 | |
| 750 | void psb_modeset_init(struct drm_device *dev) |
| 751 | { |
| 752 | struct drm_psb_private *dev_priv = dev->dev_private; |
| 753 | struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; |
| 754 | int i; |
| 755 | |
| 756 | drm_mode_config_init(dev); |
| 757 | |
| 758 | dev->mode_config.min_width = 0; |
| 759 | dev->mode_config.min_height = 0; |
| 760 | |
Laurent Pinchart | e6ecefa | 2012-05-17 13:27:23 +0200 | [diff] [blame] | 761 | dev->mode_config.funcs = &psb_mode_funcs; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 762 | |
| 763 | /* set memory base */ |
Alan Cox | dffc9ce | 2011-11-29 22:19:47 +0000 | [diff] [blame] | 764 | /* Oaktrail and Poulsbo should use BAR 2*/ |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 765 | pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *) |
| 766 | &(dev->mode_config.fb_base)); |
| 767 | |
| 768 | /* num pipes is 2 for PSB but 1 for Mrst */ |
| 769 | for (i = 0; i < dev_priv->num_pipe; i++) |
| 770 | psb_intel_crtc_init(dev, i, mode_dev); |
| 771 | |
Patrik Jakobsson | cbbd379 | 2013-04-25 22:23:36 +0200 | [diff] [blame] | 772 | dev->mode_config.max_width = 4096; |
| 773 | dev->mode_config.max_height = 4096; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 774 | |
| 775 | psb_setup_outputs(dev); |
Alan Cox | d235e64 | 2012-04-25 14:38:07 +0100 | [diff] [blame] | 776 | |
| 777 | if (dev_priv->ops->errata) |
| 778 | dev_priv->ops->errata(dev); |
Alan Cox | 4ab2c7f | 2012-05-14 12:04:00 +0100 | [diff] [blame] | 779 | |
| 780 | dev_priv->modeset = true; |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 781 | } |
| 782 | |
| 783 | void psb_modeset_cleanup(struct drm_device *dev) |
| 784 | { |
Alan Cox | 4ab2c7f | 2012-05-14 12:04:00 +0100 | [diff] [blame] | 785 | struct drm_psb_private *dev_priv = dev->dev_private; |
| 786 | if (dev_priv->modeset) { |
| 787 | mutex_lock(&dev->struct_mutex); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 788 | |
Alan Cox | 4ab2c7f | 2012-05-14 12:04:00 +0100 | [diff] [blame] | 789 | drm_kms_helper_poll_fini(dev); |
| 790 | psb_fbdev_fini(dev); |
| 791 | drm_mode_config_cleanup(dev); |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 792 | |
Alan Cox | 4ab2c7f | 2012-05-14 12:04:00 +0100 | [diff] [blame] | 793 | mutex_unlock(&dev->struct_mutex); |
| 794 | } |
Alan Cox | 4d8d096 | 2011-11-03 18:21:20 +0000 | [diff] [blame] | 795 | } |