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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/*
2 * Copyright (C) 2012 Russell King
3 * Rewritten from the dovefb driver, and Armada510 manuals.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */
9#include <drm/drmP.h>
10#include <drm/drm_atomic_helper.h>
11#include "armada_crtc.h"
12#include "armada_drm.h"
13#include "armada_fb.h"
14#include "armada_gem.h"
15#include "armada_hw.h"
16#include <drm/armada_drm.h>
17#include "armada_ioctlP.h"
18#include "armada_trace.h"
19
20struct armada_ovl_plane_properties {
21 uint32_t colorkey_yr;
22 uint32_t colorkey_ug;
23 uint32_t colorkey_vb;
24#define K2R(val) (((val) >> 0) & 0xff)
25#define K2G(val) (((val) >> 8) & 0xff)
26#define K2B(val) (((val) >> 16) & 0xff)
27 int16_t brightness;
28 uint16_t contrast;
29 uint16_t saturation;
30 uint32_t colorkey_mode;
31};
32
33struct armada_ovl_plane {
34 struct armada_plane base;
35 struct armada_ovl_plane_properties prop;
36};
37#define drm_to_armada_ovl_plane(p) \
38 container_of(p, struct armada_ovl_plane, base.base)
39
40
41static void
42armada_ovl_update_attr(struct armada_ovl_plane_properties *prop,
43 struct armada_crtc *dcrtc)
44{
45 writel_relaxed(prop->colorkey_yr, dcrtc->base + LCD_SPU_COLORKEY_Y);
46 writel_relaxed(prop->colorkey_ug, dcrtc->base + LCD_SPU_COLORKEY_U);
47 writel_relaxed(prop->colorkey_vb, dcrtc->base + LCD_SPU_COLORKEY_V);
48
49 writel_relaxed(prop->brightness << 16 | prop->contrast,
50 dcrtc->base + LCD_SPU_CONTRAST);
51 /* Docs say 15:0, but it seems to actually be 31:16 on Armada 510 */
52 writel_relaxed(prop->saturation << 16,
53 dcrtc->base + LCD_SPU_SATURATION);
54 writel_relaxed(0x00002000, dcrtc->base + LCD_SPU_CBSH_HUE);
55
56 spin_lock_irq(&dcrtc->irq_lock);
57 armada_updatel(prop->colorkey_mode | CFG_ALPHAM_GRA,
58 CFG_CKMODE_MASK | CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
59 dcrtc->base + LCD_SPU_DMA_CTRL1);
60
61 armada_updatel(ADV_GRACOLORKEY, 0, dcrtc->base + LCD_SPU_ADV_REG);
62 spin_unlock_irq(&dcrtc->irq_lock);
63}
64
65/* === Plane support === */
66static void armada_ovl_plane_work(struct armada_crtc *dcrtc,
67 struct armada_plane_work *work)
68{
69 unsigned long flags;
70
71 trace_armada_ovl_plane_work(&dcrtc->crtc, work->plane);
72
73 spin_lock_irqsave(&dcrtc->irq_lock, flags);
74 armada_drm_crtc_update_regs(dcrtc, work->regs);
75 spin_unlock_irqrestore(&dcrtc->irq_lock, flags);
76}
77
78static void armada_ovl_plane_update_state(struct drm_plane_state *state,
79 struct armada_regs *regs)
80{
81 struct armada_ovl_plane *dplane = drm_to_armada_ovl_plane(state->plane);
82 struct armada_framebuffer *dfb = drm_fb_to_armada_fb(state->fb);
83 const struct drm_format_info *format;
84 unsigned int idx = 0;
85 bool fb_changed;
86 u32 val, ctrl0;
87 u16 src_x, src_y;
88
89 ctrl0 = CFG_DMA_FMT(dfb->fmt) | CFG_DMA_MOD(dfb->mod) | CFG_CBSH_ENA;
90 if (state->visible)
91 ctrl0 |= CFG_DMA_ENA;
92 if (drm_rect_width(&state->src) >> 16 != drm_rect_width(&state->dst))
93 ctrl0 |= CFG_DMA_HSMOOTH;
94
95 /*
96 * Shifting a YUV packed format image by one pixel causes the U/V
97 * planes to swap. Compensate for it by also toggling the UV swap.
98 */
99 format = dfb->fb.format;
100 if (format->num_planes == 1 && state->src.x1 >> 16 & (format->hsub - 1))
101 ctrl0 ^= CFG_DMA_MOD(CFG_SWAPUV);
102
103 if (~dplane->base.state.ctrl0 & ctrl0 & CFG_DMA_ENA) {
104 /* Power up the Y/U/V FIFOs on ENA 0->1 transitions */
105 armada_reg_queue_mod(regs, idx,
106 0, CFG_PDWN16x66 | CFG_PDWN32x66,
107 LCD_SPU_SRAM_PARA1);
108 }
109
110 fb_changed = dplane->base.base.fb != &dfb->fb ||
111 dplane->base.state.src_x != state->src.x1 >> 16 ||
112 dplane->base.state.src_y != state->src.y1 >> 16;
113
114 dplane->base.state.vsync_update = fb_changed;
115
116 /* FIXME: overlay on an interlaced display */
117 if (fb_changed) {
118 u32 addrs[3];
119
120 dplane->base.state.src_y = src_y = state->src.y1 >> 16;
121 dplane->base.state.src_x = src_x = state->src.x1 >> 16;
122
123 armada_drm_plane_calc_addrs(addrs, &dfb->fb, src_x, src_y);
124
125 armada_reg_queue_set(regs, idx, addrs[0],
126 LCD_SPU_DMA_START_ADDR_Y0);
127 armada_reg_queue_set(regs, idx, addrs[1],
128 LCD_SPU_DMA_START_ADDR_U0);
129 armada_reg_queue_set(regs, idx, addrs[2],
130 LCD_SPU_DMA_START_ADDR_V0);
131 armada_reg_queue_set(regs, idx, addrs[0],
132 LCD_SPU_DMA_START_ADDR_Y1);
133 armada_reg_queue_set(regs, idx, addrs[1],
134 LCD_SPU_DMA_START_ADDR_U1);
135 armada_reg_queue_set(regs, idx, addrs[2],
136 LCD_SPU_DMA_START_ADDR_V1);
137
138 val = dfb->fb.pitches[0] << 16 | dfb->fb.pitches[0];
139 armada_reg_queue_set(regs, idx, val,
140 LCD_SPU_DMA_PITCH_YC);
141 val = dfb->fb.pitches[1] << 16 | dfb->fb.pitches[2];
142 armada_reg_queue_set(regs, idx, val,
143 LCD_SPU_DMA_PITCH_UV);
144 }
145
146 val = (drm_rect_height(&state->src) & 0xffff0000) |
147 drm_rect_width(&state->src) >> 16;
148 if (dplane->base.state.src_hw != val) {
149 dplane->base.state.src_hw = val;
150 armada_reg_queue_set(regs, idx, val,
151 LCD_SPU_DMA_HPXL_VLN);
152 }
153
154 val = drm_rect_height(&state->dst) << 16 | drm_rect_width(&state->dst);
155 if (dplane->base.state.dst_hw != val) {
156 dplane->base.state.dst_hw = val;
157 armada_reg_queue_set(regs, idx, val,
158 LCD_SPU_DZM_HPXL_VLN);
159 }
160
161 val = state->dst.y1 << 16 | state->dst.x1;
162 if (dplane->base.state.dst_yx != val) {
163 dplane->base.state.dst_yx = val;
164 armada_reg_queue_set(regs, idx, val,
165 LCD_SPU_DMA_OVSA_HPXL_VLN);
166 }
167
168 if (dplane->base.state.ctrl0 != ctrl0) {
169 dplane->base.state.ctrl0 = ctrl0;
170 armada_reg_queue_mod(regs, idx, ctrl0,
171 CFG_CBSH_ENA | CFG_DMAFORMAT | CFG_DMA_FTOGGLE |
172 CFG_DMA_HSMOOTH | CFG_DMA_TSTMODE |
173 CFG_DMA_MOD(CFG_SWAPRB | CFG_SWAPUV | CFG_SWAPYU |
174 CFG_YUV2RGB) | CFG_DMA_ENA,
175 LCD_SPU_DMA_CTRL0);
176 dplane->base.state.vsync_update = true;
177 }
178
179 dplane->base.state.changed = idx != 0;
180
181 armada_reg_queue_end(regs, idx);
182}
183
184static int
185armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
186 struct drm_framebuffer *fb,
187 int crtc_x, int crtc_y, unsigned crtc_w, unsigned crtc_h,
188 uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h,
189 struct drm_modeset_acquire_ctx *ctx)
190{
191 struct armada_ovl_plane *dplane = drm_to_armada_ovl_plane(plane);
192 struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
193 struct armada_plane_work *work;
194 struct drm_plane_state state = {
195 .plane = plane,
196 .crtc = crtc,
197 .fb = fb,
198 .src_x = src_x,
199 .src_y = src_y,
200 .src_w = src_w,
201 .src_h = src_h,
202 .crtc_x = crtc_x,
203 .crtc_y = crtc_y,
204 .crtc_w = crtc_w,
205 .crtc_h = crtc_h,
206 .rotation = DRM_MODE_ROTATE_0,
207 };
208 struct drm_crtc_state crtc_state = {
209 .crtc = crtc,
210 .enable = crtc->enabled,
211 .mode = crtc->mode,
212 };
213 int ret;
214
215 trace_armada_ovl_plane_update(plane, crtc, fb,
216 crtc_x, crtc_y, crtc_w, crtc_h,
217 src_x, src_y, src_w, src_h);
218
219 ret = drm_atomic_helper_check_plane_state(&state, &crtc_state, 0,
220 INT_MAX, true, false);
221 if (ret)
222 return ret;
223
224 work = &dplane->base.works[dplane->base.next_work];
225
226 if (plane->fb != fb) {
227 /*
228 * Take a reference on the new framebuffer - we want to
229 * hold on to it while the hardware is displaying it.
230 */
231 drm_framebuffer_reference(fb);
232
233 work->old_fb = plane->fb;
234 } else {
235 work->old_fb = NULL;
236 }
237
238 armada_ovl_plane_update_state(&state, work->regs);
239
240 if (!dplane->base.state.changed)
241 return 0;
242
243 /* Wait for pending work to complete */
244 if (armada_drm_plane_work_wait(&dplane->base, HZ / 25) == 0)
245 armada_drm_plane_work_cancel(dcrtc, &dplane->base);
246
247 /* Just updating the position/size? */
248 if (!dplane->base.state.vsync_update) {
249 armada_ovl_plane_work(dcrtc, work);
250 return 0;
251 }
252
253 if (!dcrtc->plane) {
254 dcrtc->plane = plane;
255 armada_ovl_update_attr(&dplane->prop, dcrtc);
256 }
257
258 /* Queue it for update on the next interrupt if we are enabled */
259 ret = armada_drm_plane_work_queue(dcrtc, work);
260 if (ret)
261 DRM_ERROR("failed to queue plane work: %d\n", ret);
262
263 dplane->base.next_work = !dplane->base.next_work;
264
265 return 0;
266}
267
268static void armada_ovl_plane_destroy(struct drm_plane *plane)
269{
270 struct armada_ovl_plane *dplane = drm_to_armada_ovl_plane(plane);
271
272 drm_plane_cleanup(plane);
273
274 kfree(dplane);
275}
276
277static int armada_ovl_plane_set_property(struct drm_plane *plane,
278 struct drm_property *property, uint64_t val)
279{
280 struct armada_private *priv = plane->dev->dev_private;
281 struct armada_ovl_plane *dplane = drm_to_armada_ovl_plane(plane);
282 bool update_attr = false;
283
284 if (property == priv->colorkey_prop) {
285#define CCC(v) ((v) << 24 | (v) << 16 | (v) << 8)
286 dplane->prop.colorkey_yr = CCC(K2R(val));
287 dplane->prop.colorkey_ug = CCC(K2G(val));
288 dplane->prop.colorkey_vb = CCC(K2B(val));
289#undef CCC
290 update_attr = true;
291 } else if (property == priv->colorkey_min_prop) {
292 dplane->prop.colorkey_yr &= ~0x00ff0000;
293 dplane->prop.colorkey_yr |= K2R(val) << 16;
294 dplane->prop.colorkey_ug &= ~0x00ff0000;
295 dplane->prop.colorkey_ug |= K2G(val) << 16;
296 dplane->prop.colorkey_vb &= ~0x00ff0000;
297 dplane->prop.colorkey_vb |= K2B(val) << 16;
298 update_attr = true;
299 } else if (property == priv->colorkey_max_prop) {
300 dplane->prop.colorkey_yr &= ~0xff000000;
301 dplane->prop.colorkey_yr |= K2R(val) << 24;
302 dplane->prop.colorkey_ug &= ~0xff000000;
303 dplane->prop.colorkey_ug |= K2G(val) << 24;
304 dplane->prop.colorkey_vb &= ~0xff000000;
305 dplane->prop.colorkey_vb |= K2B(val) << 24;
306 update_attr = true;
307 } else if (property == priv->colorkey_val_prop) {
308 dplane->prop.colorkey_yr &= ~0x0000ff00;
309 dplane->prop.colorkey_yr |= K2R(val) << 8;
310 dplane->prop.colorkey_ug &= ~0x0000ff00;
311 dplane->prop.colorkey_ug |= K2G(val) << 8;
312 dplane->prop.colorkey_vb &= ~0x0000ff00;
313 dplane->prop.colorkey_vb |= K2B(val) << 8;
314 update_attr = true;
315 } else if (property == priv->colorkey_alpha_prop) {
316 dplane->prop.colorkey_yr &= ~0x000000ff;
317 dplane->prop.colorkey_yr |= K2R(val);
318 dplane->prop.colorkey_ug &= ~0x000000ff;
319 dplane->prop.colorkey_ug |= K2G(val);
320 dplane->prop.colorkey_vb &= ~0x000000ff;
321 dplane->prop.colorkey_vb |= K2B(val);
322 update_attr = true;
323 } else if (property == priv->colorkey_mode_prop) {
324 dplane->prop.colorkey_mode &= ~CFG_CKMODE_MASK;
325 dplane->prop.colorkey_mode |= CFG_CKMODE(val);
326 update_attr = true;
327 } else if (property == priv->brightness_prop) {
328 dplane->prop.brightness = val - 256;
329 update_attr = true;
330 } else if (property == priv->contrast_prop) {
331 dplane->prop.contrast = val;
332 update_attr = true;
333 } else if (property == priv->saturation_prop) {
334 dplane->prop.saturation = val;
335 update_attr = true;
336 }
337
338 if (update_attr && dplane->base.base.crtc)
339 armada_ovl_update_attr(&dplane->prop,
340 drm_to_armada_crtc(dplane->base.base.crtc));
341
342 return 0;
343}
344
345static const struct drm_plane_funcs armada_ovl_plane_funcs = {
346 .update_plane = armada_ovl_plane_update,
347 .disable_plane = armada_drm_plane_disable,
348 .destroy = armada_ovl_plane_destroy,
349 .set_property = armada_ovl_plane_set_property,
350};
351
352static const uint32_t armada_ovl_formats[] = {
353 DRM_FORMAT_UYVY,
354 DRM_FORMAT_YUYV,
355 DRM_FORMAT_YUV420,
356 DRM_FORMAT_YVU420,
357 DRM_FORMAT_YUV422,
358 DRM_FORMAT_YVU422,
359 DRM_FORMAT_VYUY,
360 DRM_FORMAT_YVYU,
361 DRM_FORMAT_ARGB8888,
362 DRM_FORMAT_ABGR8888,
363 DRM_FORMAT_XRGB8888,
364 DRM_FORMAT_XBGR8888,
365 DRM_FORMAT_RGB888,
366 DRM_FORMAT_BGR888,
367 DRM_FORMAT_ARGB1555,
368 DRM_FORMAT_ABGR1555,
369 DRM_FORMAT_RGB565,
370 DRM_FORMAT_BGR565,
371};
372
373static const struct drm_prop_enum_list armada_drm_colorkey_enum_list[] = {
374 { CKMODE_DISABLE, "disabled" },
375 { CKMODE_Y, "Y component" },
376 { CKMODE_U, "U component" },
377 { CKMODE_V, "V component" },
378 { CKMODE_RGB, "RGB" },
379 { CKMODE_R, "R component" },
380 { CKMODE_G, "G component" },
381 { CKMODE_B, "B component" },
382};
383
384static int armada_overlay_create_properties(struct drm_device *dev)
385{
386 struct armada_private *priv = dev->dev_private;
387
388 if (priv->colorkey_prop)
389 return 0;
390
391 priv->colorkey_prop = drm_property_create_range(dev, 0,
392 "colorkey", 0, 0xffffff);
393 priv->colorkey_min_prop = drm_property_create_range(dev, 0,
394 "colorkey_min", 0, 0xffffff);
395 priv->colorkey_max_prop = drm_property_create_range(dev, 0,
396 "colorkey_max", 0, 0xffffff);
397 priv->colorkey_val_prop = drm_property_create_range(dev, 0,
398 "colorkey_val", 0, 0xffffff);
399 priv->colorkey_alpha_prop = drm_property_create_range(dev, 0,
400 "colorkey_alpha", 0, 0xffffff);
401 priv->colorkey_mode_prop = drm_property_create_enum(dev, 0,
402 "colorkey_mode",
403 armada_drm_colorkey_enum_list,
404 ARRAY_SIZE(armada_drm_colorkey_enum_list));
405 priv->brightness_prop = drm_property_create_range(dev, 0,
406 "brightness", 0, 256 + 255);
407 priv->contrast_prop = drm_property_create_range(dev, 0,
408 "contrast", 0, 0x7fff);
409 priv->saturation_prop = drm_property_create_range(dev, 0,
410 "saturation", 0, 0x7fff);
411
412 if (!priv->colorkey_prop)
413 return -ENOMEM;
414
415 return 0;
416}
417
418int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
419{
420 struct armada_private *priv = dev->dev_private;
421 struct drm_mode_object *mobj;
422 struct armada_ovl_plane *dplane;
423 int ret;
424
425 ret = armada_overlay_create_properties(dev);
426 if (ret)
427 return ret;
428
429 dplane = kzalloc(sizeof(*dplane), GFP_KERNEL);
430 if (!dplane)
431 return -ENOMEM;
432
433 ret = armada_drm_plane_init(&dplane->base);
434 if (ret) {
435 kfree(dplane);
436 return ret;
437 }
438
439 dplane->base.works[0].fn = armada_ovl_plane_work;
440 dplane->base.works[1].fn = armada_ovl_plane_work;
441
442 ret = drm_universal_plane_init(dev, &dplane->base.base, crtcs,
443 &armada_ovl_plane_funcs,
444 armada_ovl_formats,
445 ARRAY_SIZE(armada_ovl_formats),
446 NULL,
447 DRM_PLANE_TYPE_OVERLAY, NULL);
448 if (ret) {
449 kfree(dplane);
450 return ret;
451 }
452
453 dplane->prop.colorkey_yr = 0xfefefe00;
454 dplane->prop.colorkey_ug = 0x01010100;
455 dplane->prop.colorkey_vb = 0x01010100;
456 dplane->prop.colorkey_mode = CFG_CKMODE(CKMODE_RGB);
457 dplane->prop.brightness = 0;
458 dplane->prop.contrast = 0x4000;
459 dplane->prop.saturation = 0x4000;
460
461 mobj = &dplane->base.base.base;
462 drm_object_attach_property(mobj, priv->colorkey_prop,
463 0x0101fe);
464 drm_object_attach_property(mobj, priv->colorkey_min_prop,
465 0x0101fe);
466 drm_object_attach_property(mobj, priv->colorkey_max_prop,
467 0x0101fe);
468 drm_object_attach_property(mobj, priv->colorkey_val_prop,
469 0x0101fe);
470 drm_object_attach_property(mobj, priv->colorkey_alpha_prop,
471 0x000000);
472 drm_object_attach_property(mobj, priv->colorkey_mode_prop,
473 CKMODE_RGB);
474 drm_object_attach_property(mobj, priv->brightness_prop, 256);
475 drm_object_attach_property(mobj, priv->contrast_prop,
476 dplane->prop.contrast);
477 drm_object_attach_property(mobj, priv->saturation_prop,
478 dplane->prop.saturation);
479
480 return 0;
481}