1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2012 Russell King
4 *  Rewritten from the dovefb driver, and Armada510 manuals.
5 */
6
7#include <linux/bitfield.h>
8
9#include <drm/armada_drm.h>
10#include <drm/drm_atomic.h>
11#include <drm/drm_atomic_helper.h>
12#include <drm/drm_atomic_uapi.h>
13#include <drm/drm_fourcc.h>
14#include <drm/drm_plane_helper.h>
15
16#include "armada_crtc.h"
17#include "armada_drm.h"
18#include "armada_fb.h"
19#include "armada_gem.h"
20#include "armada_hw.h"
21#include "armada_ioctlP.h"
22#include "armada_plane.h"
23#include "armada_trace.h"
24
25#define DEFAULT_BRIGHTNESS	0
26#define DEFAULT_CONTRAST	0x4000
27#define DEFAULT_SATURATION	0x4000
28#define DEFAULT_ENCODING	DRM_COLOR_YCBCR_BT601
29
30struct armada_overlay_state {
31	struct armada_plane_state base;
32	u32 colorkey_yr;
33	u32 colorkey_ug;
34	u32 colorkey_vb;
35	u32 colorkey_mode;
36	u32 colorkey_enable;
37	s16 brightness;
38	u16 contrast;
39	u16 saturation;
40};
41#define drm_to_overlay_state(s) \
42	container_of(s, struct armada_overlay_state, base.base)
43
44static inline u32 armada_spu_contrast(struct drm_plane_state *state)
45{
46	return drm_to_overlay_state(state)->brightness << 16 |
47	       drm_to_overlay_state(state)->contrast;
48}
49
50static inline u32 armada_spu_saturation(struct drm_plane_state *state)
51{
52	/* Docs say 15:0, but it seems to actually be 31:16 on Armada 510 */
53	return drm_to_overlay_state(state)->saturation << 16;
54}
55
56static inline u32 armada_csc(struct drm_plane_state *state)
57{
58	/*
59	 * The CFG_CSC_RGB_* settings control the output of the colour space
60	 * converter, setting the range of output values it produces.  Since
61	 * we will be blending with the full-range graphics, we need to
62	 * produce full-range RGB output from the conversion.
63	 */
64	return CFG_CSC_RGB_COMPUTER |
65	       (state->color_encoding == DRM_COLOR_YCBCR_BT709 ?
66			CFG_CSC_YUV_CCIR709 : CFG_CSC_YUV_CCIR601);
67}
68
69/* === Plane support === */
70static void armada_drm_overlay_plane_atomic_update(struct drm_plane *plane,
71	struct drm_atomic_state *state)
72{
73	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
74									   plane);
75	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
76									   plane);
77	struct armada_crtc *dcrtc;
78	struct armada_regs *regs;
79	unsigned int idx;
80	u32 cfg, cfg_mask, val;
81
82	DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
83
84	if (!new_state->fb || WARN_ON(!new_state->crtc))
85		return;
86
87	DRM_DEBUG_KMS("[PLANE:%d:%s] is on [CRTC:%d:%s] with [FB:%d] visible %u->%u\n",
88		plane->base.id, plane->name,
89		new_state->crtc->base.id, new_state->crtc->name,
90		new_state->fb->base.id,
91		old_state->visible, new_state->visible);
92
93	dcrtc = drm_to_armada_crtc(new_state->crtc);
94	regs = dcrtc->regs + dcrtc->regs_idx;
95
96	idx = 0;
97	if (!old_state->visible && new_state->visible)
98		armada_reg_queue_mod(regs, idx,
99				     0, CFG_PDWN16x66 | CFG_PDWN32x66,
100				     LCD_SPU_SRAM_PARA1);
101	val = armada_src_hw(new_state);
102	if (armada_src_hw(old_state) != val)
103		armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_HPXL_VLN);
104	val = armada_dst_yx(new_state);
105	if (armada_dst_yx(old_state) != val)
106		armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN);
107	val = armada_dst_hw(new_state);
108	if (armada_dst_hw(old_state) != val)
109		armada_reg_queue_set(regs, idx, val, LCD_SPU_DZM_HPXL_VLN);
110	/* FIXME: overlay on an interlaced display */
111	if (old_state->src.x1 != new_state->src.x1 ||
112	    old_state->src.y1 != new_state->src.y1 ||
113	    old_state->fb != new_state->fb ||
114	    new_state->crtc->state->mode_changed) {
115		const struct drm_format_info *format;
116		u16 src_x;
117
118		armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 0),
119				     LCD_SPU_DMA_START_ADDR_Y0);
120		armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 1),
121				     LCD_SPU_DMA_START_ADDR_U0);
122		armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 2),
123				     LCD_SPU_DMA_START_ADDR_V0);
124		armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 0),
125				     LCD_SPU_DMA_START_ADDR_Y1);
126		armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 1),
127				     LCD_SPU_DMA_START_ADDR_U1);
128		armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 2),
129				     LCD_SPU_DMA_START_ADDR_V1);
130
131		val = armada_pitch(new_state, 0) << 16 | armada_pitch(new_state,
132								      0);
133		armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_YC);
134		val = armada_pitch(new_state, 1) << 16 | armada_pitch(new_state,
135								      2);
136		armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_UV);
137
138		cfg = CFG_DMA_FMT(drm_fb_to_armada_fb(new_state->fb)->fmt) |
139		      CFG_DMA_MOD(drm_fb_to_armada_fb(new_state->fb)->mod) |
140		      CFG_CBSH_ENA;
141		if (new_state->visible)
142			cfg |= CFG_DMA_ENA;
143
144		/*
145		 * Shifting a YUV packed format image by one pixel causes the
146		 * U/V planes to swap.  Compensate for it by also toggling
147		 * the UV swap.
148		 */
149		format = new_state->fb->format;
150		src_x = new_state->src.x1 >> 16;
151		if (format->num_planes == 1 && src_x & (format->hsub - 1))
152			cfg ^= CFG_DMA_MOD(CFG_SWAPUV);
153		if (to_armada_plane_state(new_state)->interlace)
154			cfg |= CFG_DMA_FTOGGLE;
155		cfg_mask = CFG_CBSH_ENA | CFG_DMAFORMAT |
156			   CFG_DMA_MOD(CFG_SWAPRB | CFG_SWAPUV |
157				       CFG_SWAPYU | CFG_YUV2RGB) |
158			   CFG_DMA_FTOGGLE | CFG_DMA_TSTMODE |
159			   CFG_DMA_ENA;
160	} else if (old_state->visible != new_state->visible) {
161		cfg = new_state->visible ? CFG_DMA_ENA : 0;
162		cfg_mask = CFG_DMA_ENA;
163	} else {
164		cfg = cfg_mask = 0;
165	}
166	if (drm_rect_width(&old_state->src) != drm_rect_width(&new_state->src) ||
167	    drm_rect_width(&old_state->dst) != drm_rect_width(&new_state->dst)) {
168		cfg_mask |= CFG_DMA_HSMOOTH;
169		if (drm_rect_width(&new_state->src) >> 16 !=
170		    drm_rect_width(&new_state->dst))
171			cfg |= CFG_DMA_HSMOOTH;
172	}
173
174	if (cfg_mask)
175		armada_reg_queue_mod(regs, idx, cfg, cfg_mask,
176				     LCD_SPU_DMA_CTRL0);
177
178	val = armada_spu_contrast(new_state);
179	if ((!old_state->visible && new_state->visible) ||
180	    armada_spu_contrast(old_state) != val)
181		armada_reg_queue_set(regs, idx, val, LCD_SPU_CONTRAST);
182	val = armada_spu_saturation(new_state);
183	if ((!old_state->visible && new_state->visible) ||
184	    armada_spu_saturation(old_state) != val)
185		armada_reg_queue_set(regs, idx, val, LCD_SPU_SATURATION);
186	if (!old_state->visible && new_state->visible)
187		armada_reg_queue_set(regs, idx, 0x00002000, LCD_SPU_CBSH_HUE);
188	val = armada_csc(new_state);
189	if ((!old_state->visible && new_state->visible) ||
190	    armada_csc(old_state) != val)
191		armada_reg_queue_mod(regs, idx, val, CFG_CSC_MASK,
192				     LCD_SPU_IOPAD_CONTROL);
193	val = drm_to_overlay_state(new_state)->colorkey_yr;
194	if ((!old_state->visible && new_state->visible) ||
195	    drm_to_overlay_state(old_state)->colorkey_yr != val)
196		armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_Y);
197	val = drm_to_overlay_state(new_state)->colorkey_ug;
198	if ((!old_state->visible && new_state->visible) ||
199	    drm_to_overlay_state(old_state)->colorkey_ug != val)
200		armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_U);
201	val = drm_to_overlay_state(new_state)->colorkey_vb;
202	if ((!old_state->visible && new_state->visible) ||
203	    drm_to_overlay_state(old_state)->colorkey_vb != val)
204		armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_V);
205	val = drm_to_overlay_state(new_state)->colorkey_mode;
206	if ((!old_state->visible && new_state->visible) ||
207	    drm_to_overlay_state(old_state)->colorkey_mode != val)
208		armada_reg_queue_mod(regs, idx, val, CFG_CKMODE_MASK |
209				     CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
210				     LCD_SPU_DMA_CTRL1);
211	val = drm_to_overlay_state(new_state)->colorkey_enable;
212	if (((!old_state->visible && new_state->visible) ||
213	     drm_to_overlay_state(old_state)->colorkey_enable != val) &&
214	    dcrtc->variant->has_spu_adv_reg)
215		armada_reg_queue_mod(regs, idx, val, ADV_GRACOLORKEY |
216				     ADV_VIDCOLORKEY, LCD_SPU_ADV_REG);
217
218	dcrtc->regs_idx += idx;
219}
220
221static void armada_drm_overlay_plane_atomic_disable(struct drm_plane *plane,
222	struct drm_atomic_state *state)
223{
224	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
225									   plane);
226	struct armada_crtc *dcrtc;
227	struct armada_regs *regs;
228	unsigned int idx = 0;
229
230	DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
231
232	if (!old_state->crtc)
233		return;
234
235	DRM_DEBUG_KMS("[PLANE:%d:%s] was on [CRTC:%d:%s] with [FB:%d]\n",
236		plane->base.id, plane->name,
237		old_state->crtc->base.id, old_state->crtc->name,
238		old_state->fb->base.id);
239
240	dcrtc = drm_to_armada_crtc(old_state->crtc);
241	regs = dcrtc->regs + dcrtc->regs_idx;
242
243	/* Disable plane and power down the YUV FIFOs */
244	armada_reg_queue_mod(regs, idx, 0, CFG_DMA_ENA, LCD_SPU_DMA_CTRL0);
245	armada_reg_queue_mod(regs, idx, CFG_PDWN16x66 | CFG_PDWN32x66, 0,
246			     LCD_SPU_SRAM_PARA1);
247
248	dcrtc->regs_idx += idx;
249}
250
251static const struct drm_plane_helper_funcs armada_overlay_plane_helper_funcs = {
252	.atomic_check	= armada_drm_plane_atomic_check,
253	.atomic_update	= armada_drm_overlay_plane_atomic_update,
254	.atomic_disable	= armada_drm_overlay_plane_atomic_disable,
255};
256
257static int
258armada_overlay_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
259	struct drm_framebuffer *fb,
260	int crtc_x, int crtc_y, unsigned crtc_w, unsigned crtc_h,
261	uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h,
262	struct drm_modeset_acquire_ctx *ctx)
263{
264	struct drm_atomic_state *state;
265	struct drm_plane_state *plane_state;
266	int ret = 0;
267
268	trace_armada_ovl_plane_update(plane, crtc, fb,
269				 crtc_x, crtc_y, crtc_w, crtc_h,
270				 src_x, src_y, src_w, src_h);
271
272	state = drm_atomic_state_alloc(plane->dev);
273	if (!state)
274		return -ENOMEM;
275
276	state->acquire_ctx = ctx;
277	plane_state = drm_atomic_get_plane_state(state, plane);
278	if (IS_ERR(plane_state)) {
279		ret = PTR_ERR(plane_state);
280		goto fail;
281	}
282
283	ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
284	if (ret != 0)
285		goto fail;
286
287	drm_atomic_set_fb_for_plane(plane_state, fb);
288	plane_state->crtc_x = crtc_x;
289	plane_state->crtc_y = crtc_y;
290	plane_state->crtc_h = crtc_h;
291	plane_state->crtc_w = crtc_w;
292	plane_state->src_x = src_x;
293	plane_state->src_y = src_y;
294	plane_state->src_h = src_h;
295	plane_state->src_w = src_w;
296
297	ret = drm_atomic_nonblocking_commit(state);
298fail:
299	drm_atomic_state_put(state);
300	return ret;
301}
302
303static void armada_overlay_reset(struct drm_plane *plane)
304{
305	struct armada_overlay_state *state;
306
307	if (plane->state)
308		__drm_atomic_helper_plane_destroy_state(plane->state);
309	kfree(plane->state);
310	plane->state = NULL;
311
312	state = kzalloc(sizeof(*state), GFP_KERNEL);
313	if (state) {
314		state->colorkey_yr = 0xfefefe00;
315		state->colorkey_ug = 0x01010100;
316		state->colorkey_vb = 0x01010100;
317		state->colorkey_mode = CFG_CKMODE(CKMODE_RGB) |
318				       CFG_ALPHAM_GRA | CFG_ALPHA(0);
319		state->colorkey_enable = ADV_GRACOLORKEY;
320		state->brightness = DEFAULT_BRIGHTNESS;
321		state->contrast = DEFAULT_CONTRAST;
322		state->saturation = DEFAULT_SATURATION;
323		__drm_atomic_helper_plane_reset(plane, &state->base.base);
324		state->base.base.color_encoding = DEFAULT_ENCODING;
325		state->base.base.color_range = DRM_COLOR_YCBCR_LIMITED_RANGE;
326	}
327}
328
329static struct drm_plane_state *
330armada_overlay_duplicate_state(struct drm_plane *plane)
331{
332	struct armada_overlay_state *state;
333
334	if (WARN_ON(!plane->state))
335		return NULL;
336
337	state = kmemdup(plane->state, sizeof(*state), GFP_KERNEL);
338	if (state)
339		__drm_atomic_helper_plane_duplicate_state(plane,
340							  &state->base.base);
341	return &state->base.base;
342}
343
344static int armada_overlay_set_property(struct drm_plane *plane,
345	struct drm_plane_state *state, struct drm_property *property,
346	uint64_t val)
347{
348	struct armada_private *priv = drm_to_armada_dev(plane->dev);
349
350#define K2R(val) (((val) >> 0) & 0xff)
351#define K2G(val) (((val) >> 8) & 0xff)
352#define K2B(val) (((val) >> 16) & 0xff)
353	if (property == priv->colorkey_prop) {
354#define CCC(v) ((v) << 24 | (v) << 16 | (v) << 8)
355		drm_to_overlay_state(state)->colorkey_yr = CCC(K2R(val));
356		drm_to_overlay_state(state)->colorkey_ug = CCC(K2G(val));
357		drm_to_overlay_state(state)->colorkey_vb = CCC(K2B(val));
358#undef CCC
359	} else if (property == priv->colorkey_min_prop) {
360		drm_to_overlay_state(state)->colorkey_yr &= ~0x00ff0000;
361		drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 16;
362		drm_to_overlay_state(state)->colorkey_ug &= ~0x00ff0000;
363		drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 16;
364		drm_to_overlay_state(state)->colorkey_vb &= ~0x00ff0000;
365		drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 16;
366	} else if (property == priv->colorkey_max_prop) {
367		drm_to_overlay_state(state)->colorkey_yr &= ~0xff000000;
368		drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 24;
369		drm_to_overlay_state(state)->colorkey_ug &= ~0xff000000;
370		drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 24;
371		drm_to_overlay_state(state)->colorkey_vb &= ~0xff000000;
372		drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 24;
373	} else if (property == priv->colorkey_val_prop) {
374		drm_to_overlay_state(state)->colorkey_yr &= ~0x0000ff00;
375		drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 8;
376		drm_to_overlay_state(state)->colorkey_ug &= ~0x0000ff00;
377		drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 8;
378		drm_to_overlay_state(state)->colorkey_vb &= ~0x0000ff00;
379		drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 8;
380	} else if (property == priv->colorkey_alpha_prop) {
381		drm_to_overlay_state(state)->colorkey_yr &= ~0x000000ff;
382		drm_to_overlay_state(state)->colorkey_yr |= K2R(val);
383		drm_to_overlay_state(state)->colorkey_ug &= ~0x000000ff;
384		drm_to_overlay_state(state)->colorkey_ug |= K2G(val);
385		drm_to_overlay_state(state)->colorkey_vb &= ~0x000000ff;
386		drm_to_overlay_state(state)->colorkey_vb |= K2B(val);
387	} else if (property == priv->colorkey_mode_prop) {
388		if (val == CKMODE_DISABLE) {
389			drm_to_overlay_state(state)->colorkey_mode =
390				CFG_CKMODE(CKMODE_DISABLE) |
391				CFG_ALPHAM_CFG | CFG_ALPHA(255);
392			drm_to_overlay_state(state)->colorkey_enable = 0;
393		} else {
394			drm_to_overlay_state(state)->colorkey_mode =
395				CFG_CKMODE(val) |
396				CFG_ALPHAM_GRA | CFG_ALPHA(0);
397			drm_to_overlay_state(state)->colorkey_enable =
398				ADV_GRACOLORKEY;
399		}
400	} else if (property == priv->brightness_prop) {
401		drm_to_overlay_state(state)->brightness = val - 256;
402	} else if (property == priv->contrast_prop) {
403		drm_to_overlay_state(state)->contrast = val;
404	} else if (property == priv->saturation_prop) {
405		drm_to_overlay_state(state)->saturation = val;
406	} else {
407		return -EINVAL;
408	}
409	return 0;
410}
411
412static int armada_overlay_get_property(struct drm_plane *plane,
413	const struct drm_plane_state *state, struct drm_property *property,
414	uint64_t *val)
415{
416	struct armada_private *priv = drm_to_armada_dev(plane->dev);
417
418#define C2K(c,s)	(((c) >> (s)) & 0xff)
419#define R2BGR(r,g,b,s)	(C2K(r,s) << 0 | C2K(g,s) << 8 | C2K(b,s) << 16)
420	if (property == priv->colorkey_prop) {
421		/* Do best-efforts here for this property */
422		*val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
423			     drm_to_overlay_state(state)->colorkey_ug,
424			     drm_to_overlay_state(state)->colorkey_vb, 16);
425		/* If min != max, or min != val, error out */
426		if (*val != R2BGR(drm_to_overlay_state(state)->colorkey_yr,
427				  drm_to_overlay_state(state)->colorkey_ug,
428				  drm_to_overlay_state(state)->colorkey_vb, 24) ||
429		    *val != R2BGR(drm_to_overlay_state(state)->colorkey_yr,
430				  drm_to_overlay_state(state)->colorkey_ug,
431				  drm_to_overlay_state(state)->colorkey_vb, 8))
432			return -EINVAL;
433	} else if (property == priv->colorkey_min_prop) {
434		*val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
435			     drm_to_overlay_state(state)->colorkey_ug,
436			     drm_to_overlay_state(state)->colorkey_vb, 16);
437	} else if (property == priv->colorkey_max_prop) {
438		*val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
439			     drm_to_overlay_state(state)->colorkey_ug,
440			     drm_to_overlay_state(state)->colorkey_vb, 24);
441	} else if (property == priv->colorkey_val_prop) {
442		*val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
443			     drm_to_overlay_state(state)->colorkey_ug,
444			     drm_to_overlay_state(state)->colorkey_vb, 8);
445	} else if (property == priv->colorkey_alpha_prop) {
446		*val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
447			     drm_to_overlay_state(state)->colorkey_ug,
448			     drm_to_overlay_state(state)->colorkey_vb, 0);
449	} else if (property == priv->colorkey_mode_prop) {
450		*val = FIELD_GET(CFG_CKMODE_MASK,
451				 drm_to_overlay_state(state)->colorkey_mode);
452	} else if (property == priv->brightness_prop) {
453		*val = drm_to_overlay_state(state)->brightness + 256;
454	} else if (property == priv->contrast_prop) {
455		*val = drm_to_overlay_state(state)->contrast;
456	} else if (property == priv->saturation_prop) {
457		*val = drm_to_overlay_state(state)->saturation;
458	} else {
459		return -EINVAL;
460	}
461	return 0;
462}
463
464static const struct drm_plane_funcs armada_ovl_plane_funcs = {
465	.update_plane	= armada_overlay_plane_update,
466	.disable_plane	= drm_atomic_helper_disable_plane,
467	.destroy	= drm_plane_helper_destroy,
468	.reset		= armada_overlay_reset,
469	.atomic_duplicate_state = armada_overlay_duplicate_state,
470	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
471	.atomic_set_property = armada_overlay_set_property,
472	.atomic_get_property = armada_overlay_get_property,
473};
474
475static const uint32_t armada_ovl_formats[] = {
476	DRM_FORMAT_UYVY,
477	DRM_FORMAT_YUYV,
478	DRM_FORMAT_YUV420,
479	DRM_FORMAT_YVU420,
480	DRM_FORMAT_YUV422,
481	DRM_FORMAT_YVU422,
482	DRM_FORMAT_VYUY,
483	DRM_FORMAT_YVYU,
484	DRM_FORMAT_ARGB8888,
485	DRM_FORMAT_ABGR8888,
486	DRM_FORMAT_XRGB8888,
487	DRM_FORMAT_XBGR8888,
488	DRM_FORMAT_RGB888,
489	DRM_FORMAT_BGR888,
490	DRM_FORMAT_ARGB1555,
491	DRM_FORMAT_ABGR1555,
492	DRM_FORMAT_RGB565,
493	DRM_FORMAT_BGR565,
494};
495
496static const struct drm_prop_enum_list armada_drm_colorkey_enum_list[] = {
497	{ CKMODE_DISABLE, "disabled" },
498	{ CKMODE_Y,       "Y component" },
499	{ CKMODE_U,       "U component" },
500	{ CKMODE_V,       "V component" },
501	{ CKMODE_RGB,     "RGB" },
502	{ CKMODE_R,       "R component" },
503	{ CKMODE_G,       "G component" },
504	{ CKMODE_B,       "B component" },
505};
506
507static int armada_overlay_create_properties(struct drm_device *dev)
508{
509	struct armada_private *priv = drm_to_armada_dev(dev);
510
511	if (priv->colorkey_prop)
512		return 0;
513
514	priv->colorkey_prop = drm_property_create_range(dev, 0,
515				"colorkey", 0, 0xffffff);
516	priv->colorkey_min_prop = drm_property_create_range(dev, 0,
517				"colorkey_min", 0, 0xffffff);
518	priv->colorkey_max_prop = drm_property_create_range(dev, 0,
519				"colorkey_max", 0, 0xffffff);
520	priv->colorkey_val_prop = drm_property_create_range(dev, 0,
521				"colorkey_val", 0, 0xffffff);
522	priv->colorkey_alpha_prop = drm_property_create_range(dev, 0,
523				"colorkey_alpha", 0, 0xffffff);
524	priv->colorkey_mode_prop = drm_property_create_enum(dev, 0,
525				"colorkey_mode",
526				armada_drm_colorkey_enum_list,
527				ARRAY_SIZE(armada_drm_colorkey_enum_list));
528	priv->brightness_prop = drm_property_create_range(dev, 0,
529				"brightness", 0, 256 + 255);
530	priv->contrast_prop = drm_property_create_range(dev, 0,
531				"contrast", 0, 0x7fff);
532	priv->saturation_prop = drm_property_create_range(dev, 0,
533				"saturation", 0, 0x7fff);
534
535	if (!priv->colorkey_prop)
536		return -ENOMEM;
537
538	return 0;
539}
540
541int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
542{
543	struct armada_private *priv = drm_to_armada_dev(dev);
544	struct drm_mode_object *mobj;
545	struct drm_plane *overlay;
546	int ret;
547
548	ret = armada_overlay_create_properties(dev);
549	if (ret)
550		return ret;
551
552	overlay = kzalloc(sizeof(*overlay), GFP_KERNEL);
553	if (!overlay)
554		return -ENOMEM;
555
556	drm_plane_helper_add(overlay, &armada_overlay_plane_helper_funcs);
557
558	ret = drm_universal_plane_init(dev, overlay, crtcs,
559				       &armada_ovl_plane_funcs,
560				       armada_ovl_formats,
561				       ARRAY_SIZE(armada_ovl_formats),
562				       NULL,
563				       DRM_PLANE_TYPE_OVERLAY, NULL);
564	if (ret) {
565		kfree(overlay);
566		return ret;
567	}
568
569	mobj = &overlay->base;
570	drm_object_attach_property(mobj, priv->colorkey_prop,
571				   0x0101fe);
572	drm_object_attach_property(mobj, priv->colorkey_min_prop,
573				   0x0101fe);
574	drm_object_attach_property(mobj, priv->colorkey_max_prop,
575				   0x0101fe);
576	drm_object_attach_property(mobj, priv->colorkey_val_prop,
577				   0x0101fe);
578	drm_object_attach_property(mobj, priv->colorkey_alpha_prop,
579				   0x000000);
580	drm_object_attach_property(mobj, priv->colorkey_mode_prop,
581				   CKMODE_RGB);
582	drm_object_attach_property(mobj, priv->brightness_prop,
583				   256 + DEFAULT_BRIGHTNESS);
584	drm_object_attach_property(mobj, priv->contrast_prop,
585				   DEFAULT_CONTRAST);
586	drm_object_attach_property(mobj, priv->saturation_prop,
587				   DEFAULT_SATURATION);
588
589	ret = drm_plane_create_color_properties(overlay,
590						BIT(DRM_COLOR_YCBCR_BT601) |
591						BIT(DRM_COLOR_YCBCR_BT709),
592						BIT(DRM_COLOR_YCBCR_LIMITED_RANGE),
593						DEFAULT_ENCODING,
594						DRM_COLOR_YCBCR_LIMITED_RANGE);
595
596	return ret;
597}
598