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hc
2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077 
 kernel/drivers/gpu/drm/exynos/exynos_drm_rotator.c
....@@ -1,30 +1,28 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * Copyright (C) 2012 Samsung Electronics Co.Ltd
34  * Authors:
45  *	YoungJun Cho <yj44.cho@samsung.com>
56  *	Eunchul Kim <chulspro.kim@samsung.com>
6
- *
7
- * This program is free software; you can redistribute it and/or modify
8
- * it under the terms of the GNU General Public License version 2 as
9
- * published by the Free Software Foundationr
107  */
118 
12
-#include <linux/kernel.h>
9
+#include <linux/clk.h>
1310 #include <linux/component.h>
1411 #include <linux/err.h>
1512 #include <linux/interrupt.h>
1613 #include <linux/io.h>
17
-#include <linux/platform_device.h>
18
-#include <linux/clk.h>
14
+#include <linux/kernel.h>
1915 #include <linux/of_device.h>
16
+#include <linux/platform_device.h>
2017 #include <linux/pm_runtime.h>
18
+#include <linux/sizes.h>
2119 
22
-#include <drm/drmP.h>
20
+#include <drm/drm_fourcc.h>
2321 #include <drm/exynos_drm.h>
24
-#include "regs-rotator.h"
22
+
2523 #include "exynos_drm_drv.h"
26
-#include "exynos_drm_iommu.h"
2724 #include "exynos_drm_ipp.h"
25
+#include "regs-rotator.h"
2826 
2927 /*
3028  * Rotator supports image crop/rotator and input/output DMA operations.
....@@ -58,6 +56,7 @@
5856 struct rot_context {
5957 	struct exynos_drm_ipp ipp;
6058 	struct drm_device *drm_dev;
59
+	void		*dma_priv;
6160 	struct device	*dev;
6261 	void __iomem	*regs;
6362 	struct clk	*clock;
....@@ -244,9 +243,10 @@
244243 	struct exynos_drm_ipp *ipp = &rot->ipp;
245244 
246245 	rot->drm_dev = drm_dev;
247
-	drm_iommu_attach_device(drm_dev, dev);
246
+	ipp->drm_dev = drm_dev;
247
+	exynos_drm_register_dma(drm_dev, dev, &rot->dma_priv);
248248 
249
-	exynos_drm_ipp_register(drm_dev, ipp, &ipp_funcs,
249
+	exynos_drm_ipp_register(dev, ipp, &ipp_funcs,
250250 			   DRM_EXYNOS_IPP_CAP_CROP | DRM_EXYNOS_IPP_CAP_ROTATE,
251251 			   rot->formats, rot->num_formats, "rotator");
252252 
....@@ -259,11 +259,10 @@
259259 			void *data)
260260 {
261261 	struct rot_context *rot = dev_get_drvdata(dev);
262
-	struct drm_device *drm_dev = data;
263262 	struct exynos_drm_ipp *ipp = &rot->ipp;
264263 
265
-	exynos_drm_ipp_unregister(drm_dev, ipp);
266
-	drm_iommu_detach_device(rot->drm_dev, rot->dev);
264
+	exynos_drm_ipp_unregister(dev, ipp);
265
+	exynos_drm_unregister_dma(rot->drm_dev, rot->dev, &rot->dma_priv);
267266 }
268267 
269268 static const struct component_ops rotator_component_ops = {
....@@ -294,10 +293,8 @@
294293 		return PTR_ERR(rot->regs);
295294 
296295 	irq = platform_get_irq(pdev, 0);
297
-	if (irq < 0) {
298
-		dev_err(dev, "failed to get irq\n");
296
+	if (irq < 0)
299297 		return irq;
300
-	}
301298 
302299 	ret = devm_request_irq(dev, irq, rotator_irq_handler, 0, dev_name(dev),
303300 			       rot);
....@@ -357,6 +354,11 @@
357354 }
358355 #endif
359356 
357
+static const struct drm_exynos_ipp_limit rotator_s5pv210_rbg888_limits[] = {
358
+	{ IPP_SIZE_LIMIT(BUFFER, .h = { 8, SZ_16K }, .v = { 8, SZ_16K }) },
359
+	{ IPP_SIZE_LIMIT(AREA, .h.align = 2, .v.align = 2) },
360
+};
361
+
360362 static const struct drm_exynos_ipp_limit rotator_4210_rbg888_limits[] = {
361363 	{ IPP_SIZE_LIMIT(BUFFER, .h = { 8, SZ_16K }, .v = { 8, SZ_16K }) },
362364 	{ IPP_SIZE_LIMIT(AREA, .h.align = 4, .v.align = 4) },
....@@ -372,6 +374,11 @@
372374 	{ IPP_SIZE_LIMIT(AREA, .h.align = 2, .v.align = 2) },
373375 };
374376 
377
+static const struct drm_exynos_ipp_limit rotator_s5pv210_yuv_limits[] = {
378
+	{ IPP_SIZE_LIMIT(BUFFER, .h = { 32, SZ_64K }, .v = { 32, SZ_64K }) },
379
+	{ IPP_SIZE_LIMIT(AREA, .h.align = 8, .v.align = 8) },
380
+};
381
+
375382 static const struct drm_exynos_ipp_limit rotator_4210_yuv_limits[] = {
376383 	{ IPP_SIZE_LIMIT(BUFFER, .h = { 32, SZ_64K }, .v = { 32, SZ_64K }) },
377384 	{ IPP_SIZE_LIMIT(AREA, .h.align = 8, .v.align = 8) },
....@@ -380,6 +387,11 @@
380387 static const struct drm_exynos_ipp_limit rotator_4412_yuv_limits[] = {
381388 	{ IPP_SIZE_LIMIT(BUFFER, .h = { 32, SZ_32K }, .v = { 32, SZ_32K }) },
382389 	{ IPP_SIZE_LIMIT(AREA, .h.align = 8, .v.align = 8) },
390
+};
391
+
392
+static const struct exynos_drm_ipp_formats rotator_s5pv210_formats[] = {
393
+	{ IPP_SRCDST_FORMAT(XRGB8888, rotator_s5pv210_rbg888_limits) },
394
+	{ IPP_SRCDST_FORMAT(NV12, rotator_s5pv210_yuv_limits) },
383395 };
384396 
385397 static const struct exynos_drm_ipp_formats rotator_4210_formats[] = {
....@@ -395,6 +407,11 @@
395407 static const struct exynos_drm_ipp_formats rotator_5250_formats[] = {
396408 	{ IPP_SRCDST_FORMAT(XRGB8888, rotator_5250_rbg888_limits) },
397409 	{ IPP_SRCDST_FORMAT(NV12, rotator_4412_yuv_limits) },
410
+};
411
+
412
+static const struct rot_variant rotator_s5pv210_data = {
413
+	.formats = rotator_s5pv210_formats,
414
+	.num_formats = ARRAY_SIZE(rotator_s5pv210_formats),
398415 };
399416 
400417 static const struct rot_variant rotator_4210_data = {
....@@ -414,6 +431,9 @@
414431 
415432 static const struct of_device_id exynos_rotator_match[] = {
416433 	{
434
+		.compatible = "samsung,s5pv210-rotator",
435
+		.data = &rotator_s5pv210_data,
436
+	}, {
417437 		.compatible = "samsung,exynos4210-rotator",
418438 		.data = &rotator_4210_data,
419439 	}, {