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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/drivers/video/fbdev/aty/aty128fb.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /* $Id: aty128fb.c,v 1.1.1.1.36.1 1999/12/11 09:03:05 Exp $
23  *  linux/drivers/video/aty128fb.c -- Frame buffer device for ATI Rage128
34  *
....@@ -161,9 +162,21 @@
161162 static int aty128_probe(struct pci_dev *pdev,
162163                                const struct pci_device_id *ent);
163164 static void aty128_remove(struct pci_dev *pdev);
164
-static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state);
165
-static int aty128_pci_resume(struct pci_dev *pdev);
165
+static int aty128_pci_suspend_late(struct device *dev, pm_message_t state);
166
+static int __maybe_unused aty128_pci_suspend(struct device *dev);
167
+static int __maybe_unused aty128_pci_hibernate(struct device *dev);
168
+static int __maybe_unused aty128_pci_freeze(struct device *dev);
169
+static int __maybe_unused aty128_pci_resume(struct device *dev);
166170 static int aty128_do_resume(struct pci_dev *pdev);
171
+
172
+static const struct dev_pm_ops aty128_pci_pm_ops = {
173
+	.suspend	= aty128_pci_suspend,
174
+	.resume		= aty128_pci_resume,
175
+	.freeze		= aty128_pci_freeze,
176
+	.thaw		= aty128_pci_resume,
177
+	.poweroff	= aty128_pci_hibernate,
178
+	.restore	= aty128_pci_resume,
179
+};
167180 
168181 /* supported Rage128 chipsets */
169182 static const struct pci_device_id aty128_pci_tbl[] = {
....@@ -271,8 +284,7 @@
271284 	.id_table	= aty128_pci_tbl,
272285 	.probe		= aty128_probe,
273286 	.remove		= aty128_remove,
274
-	.suspend	= aty128_pci_suspend,
275
-	.resume		= aty128_pci_resume,
287
+	.driver.pm	= &aty128_pci_pm_ops,
276288 };
277289 
278290 /* packed BIOS settings */
....@@ -333,20 +345,6 @@
333345 	.name = "128-bit SDR SGRAM (1:1)",
334346 };
335347 
336
-static const struct aty128_meminfo sdr_64 = {
337
-	.ML = 4,
338
-	.MB = 8,
339
-	.Trcd = 3,
340
-	.Trp = 3,
341
-	.Twr = 1,
342
-	.CL = 3,
343
-	.Tr2w = 1,
344
-	.LoopLatency = 17,
345
-	.DspOn = 46,
346
-	.Rloop = 17,
347
-	.name = "64-bit SDR SGRAM (1:1)",
348
-};
349
-
350348 static const struct aty128_meminfo sdr_sgram = {
351349 	.ML = 4,
352350 	.MB = 4,
....@@ -397,11 +395,7 @@
397395 static bool mtrr = true;
398396 
399397 #ifdef CONFIG_FB_ATY128_BACKLIGHT
400
-#ifdef CONFIG_PMAC_BACKLIGHT
401
-static int backlight = 1;
402
-#else
403
-static int backlight = 0;
404
-#endif
398
+static int backlight = IS_BUILTIN(CONFIG_PMAC_BACKLIGHT);
405399 #endif
406400 
407401 /* PLL constants */
....@@ -486,11 +480,6 @@
486480                              const struct aty128fb_par *par);
487481 static int aty128_decode_var(struct fb_var_screeninfo *var,
488482                              struct aty128fb_par *par);
489
-#if 0
490
-static void aty128_get_pllinfo(struct aty128fb_par *par, void __iomem *bios);
491
-static void __iomem *aty128_map_ROM(struct pci_dev *pdev,
492
-				    const struct aty128fb_par *par);
493
-#endif
494483 static void aty128_timings(struct aty128fb_par *par);
495484 static void aty128_init_engine(struct aty128fb_par *par);
496485 static void aty128_reset_engine(const struct aty128fb_par *par);
....@@ -513,7 +502,7 @@
513502 			  (readb(bios + (v) + 3) << 24))
514503 
515504 
516
-static struct fb_ops aty128fb_ops = {
505
+static const struct fb_ops aty128fb_ops = {
517506 	.owner		= THIS_MODULE,
518507 	.fb_check_var	= aty128fb_check_var,
519508 	.fb_set_par	= aty128fb_set_par,
....@@ -1664,19 +1653,6 @@
16641653 			  struct aty128fb_par *par)
16651654 {
16661655 	if (par->chip_gen == rage_M3) {
1667
-#if 0
1668
-		/* Note: For now, on M3, we set palette on both heads, which may
1669
-		 * be useless. Can someone with a M3 check this ?
1670
-		 * 
1671
-		 * This code would still be useful if using the second CRTC to 
1672
-		 * do mirroring
1673
-		 */
1674
-
1675
-		aty_st_le32(DAC_CNTL, aty_ld_le32(DAC_CNTL) |
1676
-			    DAC_PALETTE_ACCESS_CNTL);
1677
-		aty_st_8(PALETTE_INDEX, regno);
1678
-		aty_st_le32(PALETTE_DATA, (red<<16)|(green<<8)|blue);
1679
-#endif
16801656 		aty_st_le32(DAC_CNTL, aty_ld_le32(DAC_CNTL) &
16811657 			    ~DAC_PALETTE_ACCESS_CNTL);
16821658 	}
....@@ -2102,10 +2078,9 @@
21022078 
21032079 	/* We have the resources. Now virtualize them */
21042080 	info = framebuffer_alloc(sizeof(struct aty128fb_par), &pdev->dev);
2105
-	if (info == NULL) {
2106
-		printk(KERN_ERR "aty128fb: can't alloc fb_info_aty128\n");
2081
+	if (!info)
21072082 		goto err_free_mmio;
2108
-	}
2083
+
21092084 	par = info->par;
21102085 
21112086 	info->pseudo_palette = par->pseudo_palette;
....@@ -2349,74 +2324,9 @@
23492324 	return -EINVAL;
23502325 }
23512326 
2352
-#if 0
2353
-    /*
2354
-     *  Accelerated functions
2355
-     */
2356
-
2357
-static inline void aty128_rectcopy(int srcx, int srcy, int dstx, int dsty,
2358
-				   u_int width, u_int height,
2359
-				   struct fb_info_aty128 *par)
2360
-{
2361
-	u32 save_dp_datatype, save_dp_cntl, dstval;
2362
-
2363
-	if (!width || !height)
2364
-		return;
2365
-
2366
-	dstval = depth_to_dst(par->current_par.crtc.depth);
2367
-	if (dstval == DST_24BPP) {
2368
-		srcx *= 3;
2369
-		dstx *= 3;
2370
-		width *= 3;
2371
-	} else if (dstval == -EINVAL) {
2372
-		printk("aty128fb: invalid depth or RGBA\n");
2373
-		return;
2374
-	}
2375
-
2376
-	wait_for_fifo(2, par);
2377
-	save_dp_datatype = aty_ld_le32(DP_DATATYPE);
2378
-	save_dp_cntl     = aty_ld_le32(DP_CNTL);
2379
-
2380
-	wait_for_fifo(6, par);
2381
-	aty_st_le32(SRC_Y_X, (srcy << 16) | srcx);
2382
-	aty_st_le32(DP_MIX, ROP3_SRCCOPY | DP_SRC_RECT);
2383
-	aty_st_le32(DP_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM);
2384
-	aty_st_le32(DP_DATATYPE, save_dp_datatype | dstval | SRC_DSTCOLOR);
2385
-
2386
-	aty_st_le32(DST_Y_X, (dsty << 16) | dstx);
2387
-	aty_st_le32(DST_HEIGHT_WIDTH, (height << 16) | width);
2388
-
2389
-	par->blitter_may_be_busy = 1;
2390
-
2391
-	wait_for_fifo(2, par);
2392
-	aty_st_le32(DP_DATATYPE, save_dp_datatype);
2393
-	aty_st_le32(DP_CNTL, save_dp_cntl);
2394
-}
2395
-
2396
-
2397
-    /*
2398
-     * Text mode accelerated functions
2399
-     */
2400
-
2401
-static void fbcon_aty128_bmove(struct display *p, int sy, int sx, int dy,
2402
-			       int dx, int height, int width)
2403
-{
2404
-	sx     *= fontwidth(p);
2405
-	sy     *= fontheight(p);
2406
-	dx     *= fontwidth(p);
2407
-	dy     *= fontheight(p);
2408
-	width  *= fontwidth(p);
2409
-	height *= fontheight(p);
2410
-
2411
-	aty128_rectcopy(sx, sy, dx, dy, width, height,
2412
-			(struct fb_info_aty128 *)p->fb_info);
2413
-}
2414
-#endif /* 0 */
2415
-
24162327 static void aty128_set_suspend(struct aty128fb_par *par, int suspend)
24172328 {
24182329 	u32	pmgt;
2419
-	struct pci_dev *pdev = par->pdev;
24202330 
24212331 	if (!par->pdev->pm_cap)
24222332 		return;
....@@ -2443,22 +2353,14 @@
24432353 		aty_st_le32(BUS_CNTL1, 0x00000010);
24442354 		aty_st_le32(MEM_POWER_MISC, 0x0c830000);
24452355 		msleep(100);
2446
-
2447
-		/* Switch PCI power management to D2 */
2448
-		pci_set_power_state(pdev, PCI_D2);
24492356 	}
24502357 }
24512358 
2452
-static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state)
2359
+static int aty128_pci_suspend_late(struct device *dev, pm_message_t state)
24532360 {
2361
+	struct pci_dev *pdev = to_pci_dev(dev);
24542362 	struct fb_info *info = pci_get_drvdata(pdev);
24552363 	struct aty128fb_par *par = info->par;
2456
-
2457
-	/* Because we may change PCI D state ourselves, we need to
2458
-	 * first save the config space content so the core can
2459
-	 * restore it properly on resume.
2460
-	 */
2461
-	pci_save_state(pdev);
24622364 
24632365 	/* We don't do anything but D2, for now we return 0, but
24642366 	 * we may want to change that. How do we know if the BIOS
....@@ -2518,6 +2420,21 @@
25182420 	return 0;
25192421 }
25202422 
2423
+static int __maybe_unused aty128_pci_suspend(struct device *dev)
2424
+{
2425
+	return aty128_pci_suspend_late(dev, PMSG_SUSPEND);
2426
+}
2427
+
2428
+static int __maybe_unused aty128_pci_hibernate(struct device *dev)
2429
+{
2430
+	return aty128_pci_suspend_late(dev, PMSG_HIBERNATE);
2431
+}
2432
+
2433
+static int __maybe_unused aty128_pci_freeze(struct device *dev)
2434
+{
2435
+	return aty128_pci_suspend_late(dev, PMSG_FREEZE);
2436
+}
2437
+
25212438 static int aty128_do_resume(struct pci_dev *pdev)
25222439 {
25232440 	struct fb_info *info = pci_get_drvdata(pdev);
....@@ -2564,12 +2481,12 @@
25642481 	return 0;
25652482 }
25662483 
2567
-static int aty128_pci_resume(struct pci_dev *pdev)
2484
+static int __maybe_unused aty128_pci_resume(struct device *dev)
25682485 {
25692486 	int rc;
25702487 
25712488 	console_lock();
2572
-	rc = aty128_do_resume(pdev);
2489
+	rc = aty128_do_resume(to_pci_dev(dev));
25732490 	console_unlock();
25742491 
25752492 	return rc;