xref: /openbmc/linux/drivers/gpu/drm/meson/meson_crtc.c (revision bfe655d1)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2016 BayLibre, SAS
4  * Author: Neil Armstrong <narmstrong@baylibre.com>
5  * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
6  * Copyright (C) 2014 Endless Mobile
7  *
8  * Written by:
9  *     Jasper St. Pierre <jstpierre@mecheye.net>
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/mutex.h>
15 #include <linux/platform_device.h>
16 #include <linux/bitfield.h>
17 #include <drm/drmP.h>
18 #include <drm/drm_atomic.h>
19 #include <drm/drm_atomic_helper.h>
20 #include <drm/drm_flip_work.h>
21 #include <drm/drm_probe_helper.h>
22 
23 #include "meson_crtc.h"
24 #include "meson_plane.h"
25 #include "meson_venc.h"
26 #include "meson_vpp.h"
27 #include "meson_viu.h"
28 #include "meson_registers.h"
29 
30 #define MESON_G12A_VIU_OFFSET	0x5ec0
31 
32 /* CRTC definition */
33 
34 struct meson_crtc {
35 	struct drm_crtc base;
36 	struct drm_pending_vblank_event *event;
37 	struct meson_drm *priv;
38 	void (*enable_osd1)(struct meson_drm *priv);
39 	void (*enable_vd1)(struct meson_drm *priv);
40 	unsigned int viu_offset;
41 };
42 #define to_meson_crtc(x) container_of(x, struct meson_crtc, base)
43 
44 /* CRTC */
45 
46 static int meson_crtc_enable_vblank(struct drm_crtc *crtc)
47 {
48 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
49 	struct meson_drm *priv = meson_crtc->priv;
50 
51 	meson_venc_enable_vsync(priv);
52 
53 	return 0;
54 }
55 
56 static void meson_crtc_disable_vblank(struct drm_crtc *crtc)
57 {
58 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
59 	struct meson_drm *priv = meson_crtc->priv;
60 
61 	meson_venc_disable_vsync(priv);
62 }
63 
64 static const struct drm_crtc_funcs meson_crtc_funcs = {
65 	.atomic_destroy_state	= drm_atomic_helper_crtc_destroy_state,
66 	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
67 	.destroy		= drm_crtc_cleanup,
68 	.page_flip		= drm_atomic_helper_page_flip,
69 	.reset			= drm_atomic_helper_crtc_reset,
70 	.set_config             = drm_atomic_helper_set_config,
71 	.enable_vblank		= meson_crtc_enable_vblank,
72 	.disable_vblank		= meson_crtc_disable_vblank,
73 
74 };
75 
76 static void meson_g12a_crtc_atomic_enable(struct drm_crtc *crtc,
77 					  struct drm_crtc_state *old_state)
78 {
79 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
80 	struct drm_crtc_state *crtc_state = crtc->state;
81 	struct meson_drm *priv = meson_crtc->priv;
82 
83 	DRM_DEBUG_DRIVER("\n");
84 
85 	if (!crtc_state) {
86 		DRM_ERROR("Invalid crtc_state\n");
87 		return;
88 	}
89 
90 	/* VD1 Preblend vertical start/end */
91 	writel(FIELD_PREP(GENMASK(11, 0), 2303),
92 	       priv->io_base + _REG(VPP_PREBLEND_VD1_V_START_END));
93 
94 	/* Setup Blender */
95 	writel(crtc_state->mode.hdisplay |
96 	       crtc_state->mode.vdisplay << 16,
97 	       priv->io_base + _REG(VPP_POSTBLEND_H_SIZE));
98 
99 	writel_relaxed(0 << 16 |
100 			(crtc_state->mode.hdisplay - 1),
101 			priv->io_base + _REG(VPP_OSD1_BLD_H_SCOPE));
102 	writel_relaxed(0 << 16 |
103 			(crtc_state->mode.vdisplay - 1),
104 			priv->io_base + _REG(VPP_OSD1_BLD_V_SCOPE));
105 	writel_relaxed(crtc_state->mode.hdisplay << 16 |
106 			crtc_state->mode.vdisplay,
107 			priv->io_base + _REG(VPP_OUT_H_V_SIZE));
108 
109 	drm_crtc_vblank_on(crtc);
110 }
111 
112 static void meson_crtc_atomic_enable(struct drm_crtc *crtc,
113 				     struct drm_crtc_state *old_state)
114 {
115 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
116 	struct drm_crtc_state *crtc_state = crtc->state;
117 	struct meson_drm *priv = meson_crtc->priv;
118 
119 	DRM_DEBUG_DRIVER("\n");
120 
121 	if (!crtc_state) {
122 		DRM_ERROR("Invalid crtc_state\n");
123 		return;
124 	}
125 
126 	/* Enable VPP Postblend */
127 	writel(crtc_state->mode.hdisplay,
128 	       priv->io_base + _REG(VPP_POSTBLEND_H_SIZE));
129 
130 	/* VD1 Preblend vertical start/end */
131 	writel(FIELD_PREP(GENMASK(11, 0), 2303),
132 			priv->io_base + _REG(VPP_PREBLEND_VD1_V_START_END));
133 
134 	writel_bits_relaxed(VPP_POSTBLEND_ENABLE, VPP_POSTBLEND_ENABLE,
135 			    priv->io_base + _REG(VPP_MISC));
136 
137 	drm_crtc_vblank_on(crtc);
138 }
139 
140 static void meson_g12a_crtc_atomic_disable(struct drm_crtc *crtc,
141 					   struct drm_crtc_state *old_state)
142 {
143 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
144 	struct meson_drm *priv = meson_crtc->priv;
145 
146 	DRM_DEBUG_DRIVER("\n");
147 
148 	drm_crtc_vblank_off(crtc);
149 
150 	priv->viu.osd1_enabled = false;
151 	priv->viu.osd1_commit = false;
152 
153 	priv->viu.vd1_enabled = false;
154 	priv->viu.vd1_commit = false;
155 
156 	if (crtc->state->event && !crtc->state->active) {
157 		spin_lock_irq(&crtc->dev->event_lock);
158 		drm_crtc_send_vblank_event(crtc, crtc->state->event);
159 		spin_unlock_irq(&crtc->dev->event_lock);
160 
161 		crtc->state->event = NULL;
162 	}
163 }
164 
165 static void meson_crtc_atomic_disable(struct drm_crtc *crtc,
166 				      struct drm_crtc_state *old_state)
167 {
168 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
169 	struct meson_drm *priv = meson_crtc->priv;
170 
171 	DRM_DEBUG_DRIVER("\n");
172 
173 	drm_crtc_vblank_off(crtc);
174 
175 	priv->viu.osd1_enabled = false;
176 	priv->viu.osd1_commit = false;
177 
178 	priv->viu.vd1_enabled = false;
179 	priv->viu.vd1_commit = false;
180 
181 	/* Disable VPP Postblend */
182 	writel_bits_relaxed(VPP_OSD1_POSTBLEND | VPP_VD1_POSTBLEND |
183 			    VPP_VD1_PREBLEND | VPP_POSTBLEND_ENABLE, 0,
184 			    priv->io_base + _REG(VPP_MISC));
185 
186 	if (crtc->state->event && !crtc->state->active) {
187 		spin_lock_irq(&crtc->dev->event_lock);
188 		drm_crtc_send_vblank_event(crtc, crtc->state->event);
189 		spin_unlock_irq(&crtc->dev->event_lock);
190 
191 		crtc->state->event = NULL;
192 	}
193 }
194 
195 static void meson_crtc_atomic_begin(struct drm_crtc *crtc,
196 				    struct drm_crtc_state *state)
197 {
198 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
199 	unsigned long flags;
200 
201 	if (crtc->state->event) {
202 		WARN_ON(drm_crtc_vblank_get(crtc) != 0);
203 
204 		spin_lock_irqsave(&crtc->dev->event_lock, flags);
205 		meson_crtc->event = crtc->state->event;
206 		spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
207 		crtc->state->event = NULL;
208 	}
209 }
210 
211 static void meson_crtc_atomic_flush(struct drm_crtc *crtc,
212 				    struct drm_crtc_state *old_crtc_state)
213 {
214 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
215 	struct meson_drm *priv = meson_crtc->priv;
216 
217 	priv->viu.osd1_commit = true;
218 	priv->viu.vd1_commit = true;
219 }
220 
221 static const struct drm_crtc_helper_funcs meson_crtc_helper_funcs = {
222 	.atomic_begin	= meson_crtc_atomic_begin,
223 	.atomic_flush	= meson_crtc_atomic_flush,
224 	.atomic_enable	= meson_crtc_atomic_enable,
225 	.atomic_disable	= meson_crtc_atomic_disable,
226 };
227 
228 static const struct drm_crtc_helper_funcs meson_g12a_crtc_helper_funcs = {
229 	.atomic_begin	= meson_crtc_atomic_begin,
230 	.atomic_flush	= meson_crtc_atomic_flush,
231 	.atomic_enable	= meson_g12a_crtc_atomic_enable,
232 	.atomic_disable	= meson_g12a_crtc_atomic_disable,
233 };
234 
235 static void meson_crtc_enable_osd1(struct meson_drm *priv)
236 {
237 	writel_bits_relaxed(VPP_OSD1_POSTBLEND, VPP_OSD1_POSTBLEND,
238 			    priv->io_base + _REG(VPP_MISC));
239 }
240 
241 static void meson_g12a_crtc_enable_osd1(struct meson_drm *priv)
242 {
243 	writel_relaxed(priv->viu.osd_blend_din0_scope_h,
244 		       priv->io_base +
245 		       _REG(VIU_OSD_BLEND_DIN0_SCOPE_H));
246 	writel_relaxed(priv->viu.osd_blend_din0_scope_v,
247 		       priv->io_base +
248 		       _REG(VIU_OSD_BLEND_DIN0_SCOPE_V));
249 	writel_relaxed(priv->viu.osb_blend0_size,
250 		       priv->io_base +
251 		       _REG(VIU_OSD_BLEND_BLEND0_SIZE));
252 	writel_relaxed(priv->viu.osb_blend1_size,
253 		       priv->io_base +
254 		       _REG(VIU_OSD_BLEND_BLEND1_SIZE));
255 	writel_bits_relaxed(3 << 8, 3 << 8,
256 			    priv->io_base + _REG(OSD1_BLEND_SRC_CTRL));
257 }
258 
259 static void meson_crtc_enable_vd1(struct meson_drm *priv)
260 {
261 	writel_bits_relaxed(VPP_VD1_PREBLEND | VPP_VD1_POSTBLEND |
262 			    VPP_COLOR_MNG_ENABLE,
263 			    VPP_VD1_PREBLEND | VPP_VD1_POSTBLEND |
264 			    VPP_COLOR_MNG_ENABLE,
265 			    priv->io_base + _REG(VPP_MISC));
266 }
267 
268 static void meson_g12a_crtc_enable_vd1(struct meson_drm *priv)
269 {
270 	writel_relaxed(((1 << 16) | /* post bld premult*/
271 			(1 << 8) | /* post src */
272 			(1 << 4) | /* pre bld premult*/
273 			(1 << 0)),
274 			priv->io_base + _REG(VD1_BLEND_SRC_CTRL));
275 }
276 
277 void meson_crtc_irq(struct meson_drm *priv)
278 {
279 	struct meson_crtc *meson_crtc = to_meson_crtc(priv->crtc);
280 	unsigned long flags;
281 
282 	/* Update the OSD registers */
283 	if (priv->viu.osd1_enabled && priv->viu.osd1_commit) {
284 		writel_relaxed(priv->viu.osd1_ctrl_stat,
285 				priv->io_base + _REG(VIU_OSD1_CTRL_STAT));
286 		writel_relaxed(priv->viu.osd1_blk0_cfg[0],
287 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W0));
288 		writel_relaxed(priv->viu.osd1_blk0_cfg[1],
289 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W1));
290 		writel_relaxed(priv->viu.osd1_blk0_cfg[2],
291 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W2));
292 		writel_relaxed(priv->viu.osd1_blk0_cfg[3],
293 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W3));
294 		writel_relaxed(priv->viu.osd1_blk0_cfg[4],
295 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W4));
296 		writel_relaxed(priv->viu.osd_sc_ctrl0,
297 				priv->io_base + _REG(VPP_OSD_SC_CTRL0));
298 		writel_relaxed(priv->viu.osd_sc_i_wh_m1,
299 				priv->io_base + _REG(VPP_OSD_SCI_WH_M1));
300 		writel_relaxed(priv->viu.osd_sc_o_h_start_end,
301 				priv->io_base + _REG(VPP_OSD_SCO_H_START_END));
302 		writel_relaxed(priv->viu.osd_sc_o_v_start_end,
303 				priv->io_base + _REG(VPP_OSD_SCO_V_START_END));
304 		writel_relaxed(priv->viu.osd_sc_v_ini_phase,
305 				priv->io_base + _REG(VPP_OSD_VSC_INI_PHASE));
306 		writel_relaxed(priv->viu.osd_sc_v_phase_step,
307 				priv->io_base + _REG(VPP_OSD_VSC_PHASE_STEP));
308 		writel_relaxed(priv->viu.osd_sc_h_ini_phase,
309 				priv->io_base + _REG(VPP_OSD_HSC_INI_PHASE));
310 		writel_relaxed(priv->viu.osd_sc_h_phase_step,
311 				priv->io_base + _REG(VPP_OSD_HSC_PHASE_STEP));
312 		writel_relaxed(priv->viu.osd_sc_h_ctrl0,
313 				priv->io_base + _REG(VPP_OSD_HSC_CTRL0));
314 		writel_relaxed(priv->viu.osd_sc_v_ctrl0,
315 				priv->io_base + _REG(VPP_OSD_VSC_CTRL0));
316 
317 		meson_canvas_config(priv->canvas, priv->canvas_id_osd1,
318 				priv->viu.osd1_addr, priv->viu.osd1_stride,
319 				priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE,
320 				MESON_CANVAS_BLKMODE_LINEAR, 0);
321 
322 		/* Enable OSD1 */
323 		if (meson_crtc->enable_osd1)
324 			meson_crtc->enable_osd1(priv);
325 
326 		priv->viu.osd1_commit = false;
327 	}
328 
329 	/* Update the VD1 registers */
330 	if (priv->viu.vd1_enabled && priv->viu.vd1_commit) {
331 
332 		switch (priv->viu.vd1_planes) {
333 		case 3:
334 			meson_canvas_config(priv->canvas,
335 					    priv->canvas_id_vd1_2,
336 					    priv->viu.vd1_addr2,
337 					    priv->viu.vd1_stride2,
338 					    priv->viu.vd1_height2,
339 					    MESON_CANVAS_WRAP_NONE,
340 					    MESON_CANVAS_BLKMODE_LINEAR,
341 					    MESON_CANVAS_ENDIAN_SWAP64);
342 		/* fallthrough */
343 		case 2:
344 			meson_canvas_config(priv->canvas,
345 					    priv->canvas_id_vd1_1,
346 					    priv->viu.vd1_addr1,
347 					    priv->viu.vd1_stride1,
348 					    priv->viu.vd1_height1,
349 					    MESON_CANVAS_WRAP_NONE,
350 					    MESON_CANVAS_BLKMODE_LINEAR,
351 					    MESON_CANVAS_ENDIAN_SWAP64);
352 		/* fallthrough */
353 		case 1:
354 			meson_canvas_config(priv->canvas,
355 					    priv->canvas_id_vd1_0,
356 					    priv->viu.vd1_addr0,
357 					    priv->viu.vd1_stride0,
358 					    priv->viu.vd1_height0,
359 					    MESON_CANVAS_WRAP_NONE,
360 					    MESON_CANVAS_BLKMODE_LINEAR,
361 					    MESON_CANVAS_ENDIAN_SWAP64);
362 		};
363 
364 		writel_relaxed(priv->viu.vd1_if0_gen_reg,
365 				priv->io_base + meson_crtc->viu_offset +
366 				_REG(VD1_IF0_GEN_REG));
367 		writel_relaxed(priv->viu.vd1_if0_gen_reg,
368 				priv->io_base + meson_crtc->viu_offset +
369 				_REG(VD2_IF0_GEN_REG));
370 		writel_relaxed(priv->viu.vd1_if0_gen_reg2,
371 				priv->io_base + meson_crtc->viu_offset +
372 				_REG(VD1_IF0_GEN_REG2));
373 		writel_relaxed(priv->viu.viu_vd1_fmt_ctrl,
374 				priv->io_base + meson_crtc->viu_offset +
375 				_REG(VIU_VD1_FMT_CTRL));
376 		writel_relaxed(priv->viu.viu_vd1_fmt_ctrl,
377 				priv->io_base + meson_crtc->viu_offset +
378 				_REG(VIU_VD2_FMT_CTRL));
379 		writel_relaxed(priv->viu.viu_vd1_fmt_w,
380 				priv->io_base + meson_crtc->viu_offset +
381 				_REG(VIU_VD1_FMT_W));
382 		writel_relaxed(priv->viu.viu_vd1_fmt_w,
383 				priv->io_base + meson_crtc->viu_offset +
384 				_REG(VIU_VD2_FMT_W));
385 		writel_relaxed(priv->viu.vd1_if0_canvas0,
386 				priv->io_base + meson_crtc->viu_offset +
387 				_REG(VD1_IF0_CANVAS0));
388 		writel_relaxed(priv->viu.vd1_if0_canvas0,
389 				priv->io_base + meson_crtc->viu_offset +
390 				_REG(VD1_IF0_CANVAS1));
391 		writel_relaxed(priv->viu.vd1_if0_canvas0,
392 				priv->io_base + meson_crtc->viu_offset +
393 				_REG(VD2_IF0_CANVAS0));
394 		writel_relaxed(priv->viu.vd1_if0_canvas0,
395 				priv->io_base + meson_crtc->viu_offset +
396 				_REG(VD2_IF0_CANVAS1));
397 		writel_relaxed(priv->viu.vd1_if0_luma_x0,
398 				priv->io_base + meson_crtc->viu_offset +
399 				_REG(VD1_IF0_LUMA_X0));
400 		writel_relaxed(priv->viu.vd1_if0_luma_x0,
401 				priv->io_base + meson_crtc->viu_offset +
402 				_REG(VD1_IF0_LUMA_X1));
403 		writel_relaxed(priv->viu.vd1_if0_luma_x0,
404 				priv->io_base + meson_crtc->viu_offset +
405 				_REG(VD2_IF0_LUMA_X0));
406 		writel_relaxed(priv->viu.vd1_if0_luma_x0,
407 				priv->io_base + meson_crtc->viu_offset +
408 				_REG(VD2_IF0_LUMA_X1));
409 		writel_relaxed(priv->viu.vd1_if0_luma_y0,
410 				priv->io_base + meson_crtc->viu_offset +
411 				_REG(VD1_IF0_LUMA_Y0));
412 		writel_relaxed(priv->viu.vd1_if0_luma_y0,
413 				priv->io_base + meson_crtc->viu_offset +
414 				_REG(VD1_IF0_LUMA_Y1));
415 		writel_relaxed(priv->viu.vd1_if0_luma_y0,
416 				priv->io_base + meson_crtc->viu_offset +
417 				_REG(VD2_IF0_LUMA_Y0));
418 		writel_relaxed(priv->viu.vd1_if0_luma_y0,
419 				priv->io_base + meson_crtc->viu_offset +
420 				_REG(VD2_IF0_LUMA_Y1));
421 		writel_relaxed(priv->viu.vd1_if0_chroma_x0,
422 				priv->io_base + meson_crtc->viu_offset +
423 				_REG(VD1_IF0_CHROMA_X0));
424 		writel_relaxed(priv->viu.vd1_if0_chroma_x0,
425 				priv->io_base + meson_crtc->viu_offset +
426 				_REG(VD1_IF0_CHROMA_X1));
427 		writel_relaxed(priv->viu.vd1_if0_chroma_x0,
428 				priv->io_base + meson_crtc->viu_offset +
429 				_REG(VD2_IF0_CHROMA_X0));
430 		writel_relaxed(priv->viu.vd1_if0_chroma_x0,
431 				priv->io_base + meson_crtc->viu_offset +
432 				_REG(VD2_IF0_CHROMA_X1));
433 		writel_relaxed(priv->viu.vd1_if0_chroma_y0,
434 				priv->io_base + meson_crtc->viu_offset +
435 				_REG(VD1_IF0_CHROMA_Y0));
436 		writel_relaxed(priv->viu.vd1_if0_chroma_y0,
437 				priv->io_base + meson_crtc->viu_offset +
438 				_REG(VD1_IF0_CHROMA_Y1));
439 		writel_relaxed(priv->viu.vd1_if0_chroma_y0,
440 				priv->io_base + meson_crtc->viu_offset +
441 				_REG(VD2_IF0_CHROMA_Y0));
442 		writel_relaxed(priv->viu.vd1_if0_chroma_y0,
443 				priv->io_base + meson_crtc->viu_offset +
444 				_REG(VD2_IF0_CHROMA_Y1));
445 		writel_relaxed(priv->viu.vd1_if0_repeat_loop,
446 				priv->io_base + meson_crtc->viu_offset +
447 				_REG(VD1_IF0_RPT_LOOP));
448 		writel_relaxed(priv->viu.vd1_if0_repeat_loop,
449 				priv->io_base + meson_crtc->viu_offset +
450 				_REG(VD2_IF0_RPT_LOOP));
451 		writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
452 				priv->io_base + meson_crtc->viu_offset +
453 				_REG(VD1_IF0_LUMA0_RPT_PAT));
454 		writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
455 				priv->io_base + meson_crtc->viu_offset +
456 				_REG(VD2_IF0_LUMA0_RPT_PAT));
457 		writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
458 				priv->io_base + meson_crtc->viu_offset +
459 				_REG(VD1_IF0_LUMA1_RPT_PAT));
460 		writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
461 				priv->io_base + meson_crtc->viu_offset +
462 				_REG(VD2_IF0_LUMA1_RPT_PAT));
463 		writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
464 				priv->io_base + meson_crtc->viu_offset +
465 				_REG(VD1_IF0_CHROMA0_RPT_PAT));
466 		writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
467 				priv->io_base + meson_crtc->viu_offset +
468 				_REG(VD2_IF0_CHROMA0_RPT_PAT));
469 		writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
470 				priv->io_base + meson_crtc->viu_offset +
471 				_REG(VD1_IF0_CHROMA1_RPT_PAT));
472 		writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
473 				priv->io_base + meson_crtc->viu_offset +
474 				_REG(VD2_IF0_CHROMA1_RPT_PAT));
475 		writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
476 				_REG(VD1_IF0_LUMA_PSEL));
477 		writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
478 				_REG(VD1_IF0_CHROMA_PSEL));
479 		writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
480 				_REG(VD2_IF0_LUMA_PSEL));
481 		writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
482 				_REG(VD2_IF0_CHROMA_PSEL));
483 		writel_relaxed(priv->viu.vd1_range_map_y,
484 				priv->io_base + meson_crtc->viu_offset +
485 				_REG(VD1_IF0_RANGE_MAP_Y));
486 		writel_relaxed(priv->viu.vd1_range_map_cb,
487 				priv->io_base + meson_crtc->viu_offset +
488 				_REG(VD1_IF0_RANGE_MAP_CB));
489 		writel_relaxed(priv->viu.vd1_range_map_cr,
490 				priv->io_base + meson_crtc->viu_offset +
491 				_REG(VD1_IF0_RANGE_MAP_CR));
492 		writel_relaxed(0x78404,
493 				priv->io_base + _REG(VPP_SC_MISC));
494 		writel_relaxed(priv->viu.vpp_pic_in_height,
495 				priv->io_base + _REG(VPP_PIC_IN_HEIGHT));
496 		writel_relaxed(priv->viu.vpp_postblend_vd1_h_start_end,
497 			priv->io_base + _REG(VPP_POSTBLEND_VD1_H_START_END));
498 		writel_relaxed(priv->viu.vpp_blend_vd2_h_start_end,
499 			priv->io_base + _REG(VPP_BLEND_VD2_H_START_END));
500 		writel_relaxed(priv->viu.vpp_postblend_vd1_v_start_end,
501 			priv->io_base + _REG(VPP_POSTBLEND_VD1_V_START_END));
502 		writel_relaxed(priv->viu.vpp_blend_vd2_v_start_end,
503 			priv->io_base + _REG(VPP_BLEND_VD2_V_START_END));
504 		writel_relaxed(priv->viu.vpp_hsc_region12_startp,
505 				priv->io_base + _REG(VPP_HSC_REGION12_STARTP));
506 		writel_relaxed(priv->viu.vpp_hsc_region34_startp,
507 				priv->io_base + _REG(VPP_HSC_REGION34_STARTP));
508 		writel_relaxed(priv->viu.vpp_hsc_region4_endp,
509 				priv->io_base + _REG(VPP_HSC_REGION4_ENDP));
510 		writel_relaxed(priv->viu.vpp_hsc_start_phase_step,
511 				priv->io_base + _REG(VPP_HSC_START_PHASE_STEP));
512 		writel_relaxed(priv->viu.vpp_hsc_region1_phase_slope,
513 			priv->io_base + _REG(VPP_HSC_REGION1_PHASE_SLOPE));
514 		writel_relaxed(priv->viu.vpp_hsc_region3_phase_slope,
515 			priv->io_base + _REG(VPP_HSC_REGION3_PHASE_SLOPE));
516 		writel_relaxed(priv->viu.vpp_line_in_length,
517 				priv->io_base + _REG(VPP_LINE_IN_LENGTH));
518 		writel_relaxed(priv->viu.vpp_preblend_h_size,
519 				priv->io_base + _REG(VPP_PREBLEND_H_SIZE));
520 		writel_relaxed(priv->viu.vpp_vsc_region12_startp,
521 				priv->io_base + _REG(VPP_VSC_REGION12_STARTP));
522 		writel_relaxed(priv->viu.vpp_vsc_region34_startp,
523 				priv->io_base + _REG(VPP_VSC_REGION34_STARTP));
524 		writel_relaxed(priv->viu.vpp_vsc_region4_endp,
525 				priv->io_base + _REG(VPP_VSC_REGION4_ENDP));
526 		writel_relaxed(priv->viu.vpp_vsc_start_phase_step,
527 				priv->io_base + _REG(VPP_VSC_START_PHASE_STEP));
528 		writel_relaxed(priv->viu.vpp_vsc_ini_phase,
529 				priv->io_base + _REG(VPP_VSC_INI_PHASE));
530 		writel_relaxed(priv->viu.vpp_vsc_phase_ctrl,
531 				priv->io_base + _REG(VPP_VSC_PHASE_CTRL));
532 		writel_relaxed(priv->viu.vpp_hsc_phase_ctrl,
533 				priv->io_base + _REG(VPP_HSC_PHASE_CTRL));
534 		writel_relaxed(0x42, priv->io_base + _REG(VPP_SCALE_COEF_IDX));
535 
536 		/* Enable VD1 */
537 		if (meson_crtc->enable_vd1)
538 			meson_crtc->enable_vd1(priv);
539 
540 		priv->viu.vd1_commit = false;
541 	}
542 
543 	drm_crtc_handle_vblank(priv->crtc);
544 
545 	spin_lock_irqsave(&priv->drm->event_lock, flags);
546 	if (meson_crtc->event) {
547 		drm_crtc_send_vblank_event(priv->crtc, meson_crtc->event);
548 		drm_crtc_vblank_put(priv->crtc);
549 		meson_crtc->event = NULL;
550 	}
551 	spin_unlock_irqrestore(&priv->drm->event_lock, flags);
552 }
553 
554 int meson_crtc_create(struct meson_drm *priv)
555 {
556 	struct meson_crtc *meson_crtc;
557 	struct drm_crtc *crtc;
558 	int ret;
559 
560 	meson_crtc = devm_kzalloc(priv->drm->dev, sizeof(*meson_crtc),
561 				  GFP_KERNEL);
562 	if (!meson_crtc)
563 		return -ENOMEM;
564 
565 	meson_crtc->priv = priv;
566 	crtc = &meson_crtc->base;
567 	ret = drm_crtc_init_with_planes(priv->drm, crtc,
568 					priv->primary_plane, NULL,
569 					&meson_crtc_funcs, "meson_crtc");
570 	if (ret) {
571 		dev_err(priv->drm->dev, "Failed to init CRTC\n");
572 		return ret;
573 	}
574 
575 	if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) {
576 		meson_crtc->enable_osd1 = meson_g12a_crtc_enable_osd1;
577 		meson_crtc->enable_vd1 = meson_g12a_crtc_enable_vd1;
578 		meson_crtc->viu_offset = MESON_G12A_VIU_OFFSET;
579 		drm_crtc_helper_add(crtc, &meson_g12a_crtc_helper_funcs);
580 	} else {
581 		meson_crtc->enable_osd1 = meson_crtc_enable_osd1;
582 		meson_crtc->enable_vd1 = meson_crtc_enable_vd1;
583 		drm_crtc_helper_add(crtc, &meson_crtc_helper_funcs);
584 	}
585 
586 	priv->crtc = crtc;
587 
588 	return 0;
589 }
590