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path: root/drivers/video/geode/gx1fb_core.c
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Diffstat (limited to 'drivers/video/geode/gx1fb_core.c')
-rw-r--r--drivers/video/geode/gx1fb_core.c182
1 files changed, 139 insertions, 43 deletions
diff --git a/drivers/video/geode/gx1fb_core.c b/drivers/video/geode/gx1fb_core.c
index 83830d24bcda..74a5fca86b8a 100644
--- a/drivers/video/geode/gx1fb_core.c
+++ b/drivers/video/geode/gx1fb_core.c
@@ -30,6 +30,62 @@ static char mode_option[32] = "640x480-16@60";
30static int crt_option = 1; 30static int crt_option = 1;
31static char panel_option[32] = ""; 31static char panel_option[32] = "";
32 32
33/* Modes relevant to the GX1 (taken from modedb.c) */
34static const struct fb_videomode __initdata gx1_modedb[] = {
35 /* 640x480-60 VESA */
36 { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2,
37 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
38 /* 640x480-75 VESA */
39 { NULL, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3,
40 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
41 /* 640x480-85 VESA */
42 { NULL, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3,
43 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
44 /* 800x600-60 VESA */
45 { NULL, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4,
46 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
47 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
48 /* 800x600-75 VESA */
49 { NULL, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3,
50 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
51 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
52 /* 800x600-85 VESA */
53 { NULL, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3,
54 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
55 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
56 /* 1024x768-60 VESA */
57 { NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6,
58 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
59 /* 1024x768-75 VESA */
60 { NULL, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3,
61 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
62 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
63 /* 1024x768-85 VESA */
64 { NULL, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3,
65 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
66 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
67 /* 1280x960-60 VESA */
68 { NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3,
69 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
70 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
71 /* 1280x960-85 VESA */
72 { NULL, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3,
73 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
74 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
75 /* 1280x1024-60 VESA */
76 { NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
77 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
78 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
79 /* 1280x1024-75 VESA */
80 { NULL, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3,
81 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
82 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
83 /* 1280x1024-85 VESA */
84 { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3,
85 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
86 FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA },
87};
88
33static int gx1_line_delta(int xres, int bpp) 89static int gx1_line_delta(int xres, int bpp)
34{ 90{
35 int line_delta = xres * (bpp >> 3); 91 int line_delta = xres * (bpp >> 3);
@@ -47,8 +103,6 @@ static int gx1fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
47{ 103{
48 struct geodefb_par *par = info->par; 104 struct geodefb_par *par = info->par;
49 105
50 printk(KERN_DEBUG "%s()\n", __FUNCTION__);
51
52 /* Maximum resolution is 1280x1024. */ 106 /* Maximum resolution is 1280x1024. */
53 if (var->xres > 1280 || var->yres > 1024) 107 if (var->xres > 1280 || var->yres > 1024)
54 return -EINVAL; 108 return -EINVAL;
@@ -146,40 +200,48 @@ static int gx1fb_blank(int blank_mode, struct fb_info *info)
146 return par->vid_ops->blank_display(info, blank_mode); 200 return par->vid_ops->blank_display(info, blank_mode);
147} 201}
148 202
149static int __init gx1fb_map_video_memory(struct fb_info *info) 203static int __init gx1fb_map_video_memory(struct fb_info *info, struct pci_dev *dev)
150{ 204{
151 struct geodefb_par *par = info->par; 205 struct geodefb_par *par = info->par;
152 unsigned gx_base; 206 unsigned gx_base;
153 int fb_len; 207 int fb_len;
208 int ret;
154 209
155 gx_base = gx1_gx_base(); 210 gx_base = gx1_gx_base();
156 if (!gx_base) 211 if (!gx_base)
157 return -ENODEV; 212 return -ENODEV;
158 213
159 par->vid_dev = pci_get_device(PCI_VENDOR_ID_CYRIX, 214 ret = pci_enable_device(dev);
160 PCI_DEVICE_ID_CYRIX_5530_VIDEO, NULL); 215 if (ret < 0)
161 if (!par->vid_dev) 216 return ret;
162 return -ENODEV;
163 217
164 par->vid_regs = ioremap(pci_resource_start(par->vid_dev, 1), 218 ret = pci_request_region(dev, 1, "gx1fb (video)");
165 pci_resource_len(par->vid_dev, 1)); 219 if (ret < 0)
220 return ret;
221 par->vid_regs = ioremap(pci_resource_start(dev, 1),
222 pci_resource_len(dev, 1));
166 if (!par->vid_regs) 223 if (!par->vid_regs)
167 return -ENOMEM; 224 return -ENOMEM;
168 225
226 if (!request_mem_region(gx_base + 0x8300, 0x100, "gx1fb (display controller)"))
227 return -EBUSY;
169 par->dc_regs = ioremap(gx_base + 0x8300, 0x100); 228 par->dc_regs = ioremap(gx_base + 0x8300, 0x100);
170 if (!par->dc_regs) 229 if (!par->dc_regs)
171 return -ENOMEM; 230 return -ENOMEM;
172 231
173 info->fix.smem_start = gx_base + 0x800000; 232 ret = pci_request_region(dev, 0, "gx1fb (frame buffer)");
233 if (ret < 0 )
234 return -EBUSY;
174 if ((fb_len = gx1_frame_buffer_size()) < 0) 235 if ((fb_len = gx1_frame_buffer_size()) < 0)
175 return -ENOMEM; 236 return -ENOMEM;
237 info->fix.smem_start = pci_resource_start(dev, 0);
176 info->fix.smem_len = fb_len; 238 info->fix.smem_len = fb_len;
177 info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); 239 info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len);
178 if (!info->screen_base) 240 if (!info->screen_base)
179 return -ENOMEM; 241 return -ENOMEM;
180 242
181 printk(KERN_INFO "%s: %d Kibyte of video memory at 0x%lx\n", 243 dev_info(&dev->dev, "%d Kibyte of video memory at 0x%lx\n",
182 info->fix.id, info->fix.smem_len / 1024, info->fix.smem_start); 244 info->fix.smem_len / 1024, info->fix.smem_start);
183 245
184 return 0; 246 return 0;
185} 247}
@@ -216,13 +278,13 @@ static struct fb_ops gx1fb_ops = {
216 .fb_cursor = soft_cursor, 278 .fb_cursor = soft_cursor,
217}; 279};
218 280
219static struct fb_info * __init gx1fb_init_fbinfo(void) 281static struct fb_info * __init gx1fb_init_fbinfo(struct device *dev)
220{ 282{
221 struct fb_info *info;
222 struct geodefb_par *par; 283 struct geodefb_par *par;
284 struct fb_info *info;
223 285
224 /* Alloc enough space for the pseudo palette. */ 286 /* Alloc enough space for the pseudo palette. */
225 info = framebuffer_alloc(sizeof(struct geodefb_par) + sizeof(u32) * 16, NULL); 287 info = framebuffer_alloc(sizeof(struct geodefb_par) + sizeof(u32) * 16, dev);
226 if (!info) 288 if (!info)
227 return NULL; 289 return NULL;
228 290
@@ -255,47 +317,37 @@ static struct fb_info * __init gx1fb_init_fbinfo(void)
255 /* CRT and panel options */ 317 /* CRT and panel options */
256 par->enable_crt = crt_option; 318 par->enable_crt = crt_option;
257 if (parse_panel_option(info) < 0) 319 if (parse_panel_option(info) < 0)
258 printk(KERN_WARNING "%s: invalid 'panel' option -- disabling flat panel\n", 320 printk(KERN_WARNING "gx1fb: invalid 'panel' option -- disabling flat panel\n");
259 info->fix.id);
260 if (!par->panel_x) 321 if (!par->panel_x)
261 par->enable_crt = 1; /* fall back to CRT if no panel is specified */ 322 par->enable_crt = 1; /* fall back to CRT if no panel is specified */
262 323
263 return info; 324 return info;
264} 325}
265 326
266 327static int __init gx1fb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
267static struct fb_info *gx1fb_info;
268
269static int __init gx1fb_init(void)
270{ 328{
329 struct geodefb_par *par;
271 struct fb_info *info; 330 struct fb_info *info;
272 struct geodefb_par *par;
273 int ret; 331 int ret;
274 332
275#ifndef MODULE 333 info = gx1fb_init_fbinfo(&pdev->dev);
276 if (fb_get_options("gx1fb", NULL))
277 return -ENODEV;
278#endif
279
280 info = gx1fb_init_fbinfo();
281 if (!info) 334 if (!info)
282 return -ENOMEM; 335 return -ENOMEM;
283 gx1fb_info = info;
284
285 par = info->par; 336 par = info->par;
286 337
287 /* GX1 display controller and CS5530 video device */ 338 /* GX1 display controller and CS5530 video device */
288 par->dc_ops = &gx1_dc_ops; 339 par->dc_ops = &gx1_dc_ops;
289 par->vid_ops = &cs5530_vid_ops; 340 par->vid_ops = &cs5530_vid_ops;
290 341
291 if ((ret = gx1fb_map_video_memory(info)) < 0) { 342 if ((ret = gx1fb_map_video_memory(info, pdev)) < 0) {
292 printk(KERN_ERR "%s: gx1fb_map_video_memory() failed\n", info->fix.id); 343 dev_err(&pdev->dev, "failed to map frame buffer or controller registers\n");
293 goto err; 344 goto err;
294 } 345 }
295 346
296 ret = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 16); 347 ret = fb_find_mode(&info->var, info, mode_option,
348 gx1_modedb, ARRAY_SIZE(gx1_modedb), NULL, 16);
297 if (ret == 0 || ret == 4) { 349 if (ret == 0 || ret == 4) {
298 printk(KERN_ERR "%s: could not find valid video mode\n", info->fix.id); 350 dev_err(&pdev->dev, "could not find valid video mode\n");
299 ret = -EINVAL; 351 ret = -EINVAL;
300 goto err; 352 goto err;
301 } 353 }
@@ -310,39 +362,83 @@ static int __init gx1fb_init(void)
310 ret = -EINVAL; 362 ret = -EINVAL;
311 goto err; 363 goto err;
312 } 364 }
365 pci_set_drvdata(pdev, info);
313 printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id); 366 printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id);
314 return 0; 367 return 0;
315 368
316 err: 369 err:
317 if (info->screen_base) 370 if (info->screen_base) {
318 iounmap(info->screen_base); 371 iounmap(info->screen_base);
319 if (par->vid_regs) 372 pci_release_region(pdev, 0);
373 }
374 if (par->vid_regs) {
320 iounmap(par->vid_regs); 375 iounmap(par->vid_regs);
321 if (par->dc_regs) 376 pci_release_region(pdev, 1);
377 }
378 if (par->dc_regs) {
322 iounmap(par->dc_regs); 379 iounmap(par->dc_regs);
323 if (par->vid_dev) 380 release_mem_region(gx1_gx_base() + 0x8300, 0x100);
324 pci_dev_put(par->vid_dev); 381 }
382
383 pci_disable_device(pdev);
384
325 if (info) 385 if (info)
326 framebuffer_release(info); 386 framebuffer_release(info);
327 return ret; 387 return ret;
328} 388}
329 389
330static void __exit gx1fb_cleanup(void) 390static void gx1fb_remove(struct pci_dev *pdev)
331{ 391{
332 struct fb_info *info = gx1fb_info; 392 struct fb_info *info = pci_get_drvdata(pdev);
333 struct geodefb_par *par = gx1fb_info->par; 393 struct geodefb_par *par = info->par;
334 394
335 unregister_framebuffer(info); 395 unregister_framebuffer(info);
336 396
337 iounmap((void __iomem *)info->screen_base); 397 iounmap((void __iomem *)info->screen_base);
398 pci_release_region(pdev, 0);
399
338 iounmap(par->vid_regs); 400 iounmap(par->vid_regs);
401 pci_release_region(pdev, 1);
402
339 iounmap(par->dc_regs); 403 iounmap(par->dc_regs);
404 release_mem_region(gx1_gx_base() + 0x8300, 0x100);
340 405
341 pci_dev_put(par->vid_dev); 406 pci_disable_device(pdev);
407 pci_set_drvdata(pdev, NULL);
342 408
343 framebuffer_release(info); 409 framebuffer_release(info);
344} 410}
345 411
412static struct pci_device_id gx1fb_id_table[] = {
413 { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_VIDEO,
414 PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16,
415 0xff0000, 0 },
416 { 0, }
417};
418
419MODULE_DEVICE_TABLE(pci, gx1fb_id_table);
420
421static struct pci_driver gx1fb_driver = {
422 .name = "gx1fb",
423 .id_table = gx1fb_id_table,
424 .probe = gx1fb_probe,
425 .remove = gx1fb_remove,
426};
427
428static int __init gx1fb_init(void)
429{
430#ifndef MODULE
431 if (fb_get_options("gx1fb", NULL))
432 return -ENODEV;
433#endif
434 return pci_register_driver(&gx1fb_driver);
435}
436
437static void __exit gx1fb_cleanup(void)
438{
439 pci_unregister_driver(&gx1fb_driver);
440}
441
346module_init(gx1fb_init); 442module_init(gx1fb_init);
347module_exit(gx1fb_cleanup); 443module_exit(gx1fb_cleanup);
348 444