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