xref: /openbmc/linux/drivers/gpu/drm/meson/meson_crtc.c (revision 91db9311)
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/bitfield.h>
13 #include <linux/soc/amlogic/meson-canvas.h>
14 
15 #include <drm/drm_atomic_helper.h>
16 #include <drm/drm_device.h>
17 #include <drm/drm_print.h>
18 #include <drm/drm_probe_helper.h>
19 #include <drm/drm_vblank.h>
20 
21 #include "meson_crtc.h"
22 #include "meson_plane.h"
23 #include "meson_registers.h"
24 #include "meson_venc.h"
25 #include "meson_viu.h"
26 #include "meson_vpp.h"
27 
28 #define MESON_G12A_VIU_OFFSET	0x5ec0
29 
30 /* CRTC definition */
31 
32 struct meson_crtc {
33 	struct drm_crtc base;
34 	struct drm_pending_vblank_event *event;
35 	struct meson_drm *priv;
36 	void (*enable_osd1)(struct meson_drm *priv);
37 	void (*enable_vd1)(struct meson_drm *priv);
38 	unsigned int viu_offset;
39 };
40 #define to_meson_crtc(x) container_of(x, struct meson_crtc, base)
41 
42 /* CRTC */
43 
44 static int meson_crtc_enable_vblank(struct drm_crtc *crtc)
45 {
46 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
47 	struct meson_drm *priv = meson_crtc->priv;
48 
49 	meson_venc_enable_vsync(priv);
50 
51 	return 0;
52 }
53 
54 static void meson_crtc_disable_vblank(struct drm_crtc *crtc)
55 {
56 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
57 	struct meson_drm *priv = meson_crtc->priv;
58 
59 	meson_venc_disable_vsync(priv);
60 }
61 
62 static const struct drm_crtc_funcs meson_crtc_funcs = {
63 	.atomic_destroy_state	= drm_atomic_helper_crtc_destroy_state,
64 	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
65 	.destroy		= drm_crtc_cleanup,
66 	.page_flip		= drm_atomic_helper_page_flip,
67 	.reset			= drm_atomic_helper_crtc_reset,
68 	.set_config             = drm_atomic_helper_set_config,
69 	.enable_vblank		= meson_crtc_enable_vblank,
70 	.disable_vblank		= meson_crtc_disable_vblank,
71 
72 };
73 
74 static void meson_g12a_crtc_atomic_enable(struct drm_crtc *crtc,
75 					  struct drm_crtc_state *old_state)
76 {
77 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
78 	struct drm_crtc_state *crtc_state = crtc->state;
79 	struct meson_drm *priv = meson_crtc->priv;
80 
81 	DRM_DEBUG_DRIVER("\n");
82 
83 	if (!crtc_state) {
84 		DRM_ERROR("Invalid crtc_state\n");
85 		return;
86 	}
87 
88 	/* VD1 Preblend vertical start/end */
89 	writel(FIELD_PREP(GENMASK(11, 0), 2303),
90 	       priv->io_base + _REG(VPP_PREBLEND_VD1_V_START_END));
91 
92 	/* Setup Blender */
93 	writel(crtc_state->mode.hdisplay |
94 	       crtc_state->mode.vdisplay << 16,
95 	       priv->io_base + _REG(VPP_POSTBLEND_H_SIZE));
96 
97 	writel_relaxed(0 << 16 |
98 			(crtc_state->mode.hdisplay - 1),
99 			priv->io_base + _REG(VPP_OSD1_BLD_H_SCOPE));
100 	writel_relaxed(0 << 16 |
101 			(crtc_state->mode.vdisplay - 1),
102 			priv->io_base + _REG(VPP_OSD1_BLD_V_SCOPE));
103 	writel_relaxed(crtc_state->mode.hdisplay << 16 |
104 			crtc_state->mode.vdisplay,
105 			priv->io_base + _REG(VPP_OUT_H_V_SIZE));
106 
107 	drm_crtc_vblank_on(crtc);
108 }
109 
110 static void meson_crtc_atomic_enable(struct drm_crtc *crtc,
111 				     struct drm_crtc_state *old_state)
112 {
113 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
114 	struct drm_crtc_state *crtc_state = crtc->state;
115 	struct meson_drm *priv = meson_crtc->priv;
116 
117 	DRM_DEBUG_DRIVER("\n");
118 
119 	if (!crtc_state) {
120 		DRM_ERROR("Invalid crtc_state\n");
121 		return;
122 	}
123 
124 	/* Enable VPP Postblend */
125 	writel(crtc_state->mode.hdisplay,
126 	       priv->io_base + _REG(VPP_POSTBLEND_H_SIZE));
127 
128 	/* VD1 Preblend vertical start/end */
129 	writel(FIELD_PREP(GENMASK(11, 0), 2303),
130 			priv->io_base + _REG(VPP_PREBLEND_VD1_V_START_END));
131 
132 	writel_bits_relaxed(VPP_POSTBLEND_ENABLE, VPP_POSTBLEND_ENABLE,
133 			    priv->io_base + _REG(VPP_MISC));
134 
135 	drm_crtc_vblank_on(crtc);
136 }
137 
138 static void meson_g12a_crtc_atomic_disable(struct drm_crtc *crtc,
139 					   struct drm_crtc_state *old_state)
140 {
141 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
142 	struct meson_drm *priv = meson_crtc->priv;
143 
144 	DRM_DEBUG_DRIVER("\n");
145 
146 	drm_crtc_vblank_off(crtc);
147 
148 	priv->viu.osd1_enabled = false;
149 	priv->viu.osd1_commit = false;
150 
151 	priv->viu.vd1_enabled = false;
152 	priv->viu.vd1_commit = false;
153 
154 	if (crtc->state->event && !crtc->state->active) {
155 		spin_lock_irq(&crtc->dev->event_lock);
156 		drm_crtc_send_vblank_event(crtc, crtc->state->event);
157 		spin_unlock_irq(&crtc->dev->event_lock);
158 
159 		crtc->state->event = NULL;
160 	}
161 }
162 
163 static void meson_crtc_atomic_disable(struct drm_crtc *crtc,
164 				      struct drm_crtc_state *old_state)
165 {
166 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
167 	struct meson_drm *priv = meson_crtc->priv;
168 
169 	DRM_DEBUG_DRIVER("\n");
170 
171 	drm_crtc_vblank_off(crtc);
172 
173 	priv->viu.osd1_enabled = false;
174 	priv->viu.osd1_commit = false;
175 
176 	priv->viu.vd1_enabled = false;
177 	priv->viu.vd1_commit = false;
178 
179 	/* Disable VPP Postblend */
180 	writel_bits_relaxed(VPP_OSD1_POSTBLEND | VPP_VD1_POSTBLEND |
181 			    VPP_VD1_PREBLEND | VPP_POSTBLEND_ENABLE, 0,
182 			    priv->io_base + _REG(VPP_MISC));
183 
184 	if (crtc->state->event && !crtc->state->active) {
185 		spin_lock_irq(&crtc->dev->event_lock);
186 		drm_crtc_send_vblank_event(crtc, crtc->state->event);
187 		spin_unlock_irq(&crtc->dev->event_lock);
188 
189 		crtc->state->event = NULL;
190 	}
191 }
192 
193 static void meson_crtc_atomic_begin(struct drm_crtc *crtc,
194 				    struct drm_crtc_state *state)
195 {
196 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
197 	unsigned long flags;
198 
199 	if (crtc->state->event) {
200 		WARN_ON(drm_crtc_vblank_get(crtc) != 0);
201 
202 		spin_lock_irqsave(&crtc->dev->event_lock, flags);
203 		meson_crtc->event = crtc->state->event;
204 		spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
205 		crtc->state->event = NULL;
206 	}
207 }
208 
209 static void meson_crtc_atomic_flush(struct drm_crtc *crtc,
210 				    struct drm_crtc_state *old_crtc_state)
211 {
212 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
213 	struct meson_drm *priv = meson_crtc->priv;
214 
215 	priv->viu.osd1_commit = true;
216 	priv->viu.vd1_commit = true;
217 }
218 
219 static const struct drm_crtc_helper_funcs meson_crtc_helper_funcs = {
220 	.atomic_begin	= meson_crtc_atomic_begin,
221 	.atomic_flush	= meson_crtc_atomic_flush,
222 	.atomic_enable	= meson_crtc_atomic_enable,
223 	.atomic_disable	= meson_crtc_atomic_disable,
224 };
225 
226 static const struct drm_crtc_helper_funcs meson_g12a_crtc_helper_funcs = {
227 	.atomic_begin	= meson_crtc_atomic_begin,
228 	.atomic_flush	= meson_crtc_atomic_flush,
229 	.atomic_enable	= meson_g12a_crtc_atomic_enable,
230 	.atomic_disable	= meson_g12a_crtc_atomic_disable,
231 };
232 
233 static void meson_crtc_enable_osd1(struct meson_drm *priv)
234 {
235 	writel_bits_relaxed(VPP_OSD1_POSTBLEND, VPP_OSD1_POSTBLEND,
236 			    priv->io_base + _REG(VPP_MISC));
237 }
238 
239 static void meson_g12a_crtc_enable_osd1(struct meson_drm *priv)
240 {
241 	writel_relaxed(priv->viu.osd_blend_din0_scope_h,
242 		       priv->io_base +
243 		       _REG(VIU_OSD_BLEND_DIN0_SCOPE_H));
244 	writel_relaxed(priv->viu.osd_blend_din0_scope_v,
245 		       priv->io_base +
246 		       _REG(VIU_OSD_BLEND_DIN0_SCOPE_V));
247 	writel_relaxed(priv->viu.osb_blend0_size,
248 		       priv->io_base +
249 		       _REG(VIU_OSD_BLEND_BLEND0_SIZE));
250 	writel_relaxed(priv->viu.osb_blend1_size,
251 		       priv->io_base +
252 		       _REG(VIU_OSD_BLEND_BLEND1_SIZE));
253 	writel_bits_relaxed(3 << 8, 3 << 8,
254 			    priv->io_base + _REG(OSD1_BLEND_SRC_CTRL));
255 }
256 
257 static void meson_crtc_enable_vd1(struct meson_drm *priv)
258 {
259 	writel_bits_relaxed(VPP_VD1_PREBLEND | VPP_VD1_POSTBLEND |
260 			    VPP_COLOR_MNG_ENABLE,
261 			    VPP_VD1_PREBLEND | VPP_VD1_POSTBLEND |
262 			    VPP_COLOR_MNG_ENABLE,
263 			    priv->io_base + _REG(VPP_MISC));
264 }
265 
266 static void meson_g12a_crtc_enable_vd1(struct meson_drm *priv)
267 {
268 	writel_relaxed(((1 << 16) | /* post bld premult*/
269 			(1 << 8) | /* post src */
270 			(1 << 4) | /* pre bld premult*/
271 			(1 << 0)),
272 			priv->io_base + _REG(VD1_BLEND_SRC_CTRL));
273 }
274 
275 void meson_crtc_irq(struct meson_drm *priv)
276 {
277 	struct meson_crtc *meson_crtc = to_meson_crtc(priv->crtc);
278 	unsigned long flags;
279 
280 	/* Update the OSD registers */
281 	if (priv->viu.osd1_enabled && priv->viu.osd1_commit) {
282 		writel_relaxed(priv->viu.osd1_ctrl_stat,
283 				priv->io_base + _REG(VIU_OSD1_CTRL_STAT));
284 		writel_relaxed(priv->viu.osd1_blk0_cfg[0],
285 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W0));
286 		writel_relaxed(priv->viu.osd1_blk0_cfg[1],
287 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W1));
288 		writel_relaxed(priv->viu.osd1_blk0_cfg[2],
289 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W2));
290 		writel_relaxed(priv->viu.osd1_blk0_cfg[3],
291 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W3));
292 		writel_relaxed(priv->viu.osd1_blk0_cfg[4],
293 				priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W4));
294 		writel_relaxed(priv->viu.osd_sc_ctrl0,
295 				priv->io_base + _REG(VPP_OSD_SC_CTRL0));
296 		writel_relaxed(priv->viu.osd_sc_i_wh_m1,
297 				priv->io_base + _REG(VPP_OSD_SCI_WH_M1));
298 		writel_relaxed(priv->viu.osd_sc_o_h_start_end,
299 				priv->io_base + _REG(VPP_OSD_SCO_H_START_END));
300 		writel_relaxed(priv->viu.osd_sc_o_v_start_end,
301 				priv->io_base + _REG(VPP_OSD_SCO_V_START_END));
302 		writel_relaxed(priv->viu.osd_sc_v_ini_phase,
303 				priv->io_base + _REG(VPP_OSD_VSC_INI_PHASE));
304 		writel_relaxed(priv->viu.osd_sc_v_phase_step,
305 				priv->io_base + _REG(VPP_OSD_VSC_PHASE_STEP));
306 		writel_relaxed(priv->viu.osd_sc_h_ini_phase,
307 				priv->io_base + _REG(VPP_OSD_HSC_INI_PHASE));
308 		writel_relaxed(priv->viu.osd_sc_h_phase_step,
309 				priv->io_base + _REG(VPP_OSD_HSC_PHASE_STEP));
310 		writel_relaxed(priv->viu.osd_sc_h_ctrl0,
311 				priv->io_base + _REG(VPP_OSD_HSC_CTRL0));
312 		writel_relaxed(priv->viu.osd_sc_v_ctrl0,
313 				priv->io_base + _REG(VPP_OSD_VSC_CTRL0));
314 
315 		meson_canvas_config(priv->canvas, priv->canvas_id_osd1,
316 				priv->viu.osd1_addr, priv->viu.osd1_stride,
317 				priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE,
318 				MESON_CANVAS_BLKMODE_LINEAR, 0);
319 
320 		/* Enable OSD1 */
321 		if (meson_crtc->enable_osd1)
322 			meson_crtc->enable_osd1(priv);
323 
324 		priv->viu.osd1_commit = false;
325 	}
326 
327 	/* Update the VD1 registers */
328 	if (priv->viu.vd1_enabled && priv->viu.vd1_commit) {
329 
330 		switch (priv->viu.vd1_planes) {
331 		case 3:
332 			meson_canvas_config(priv->canvas,
333 					    priv->canvas_id_vd1_2,
334 					    priv->viu.vd1_addr2,
335 					    priv->viu.vd1_stride2,
336 					    priv->viu.vd1_height2,
337 					    MESON_CANVAS_WRAP_NONE,
338 					    MESON_CANVAS_BLKMODE_LINEAR,
339 					    MESON_CANVAS_ENDIAN_SWAP64);
340 		/* fallthrough */
341 		case 2:
342 			meson_canvas_config(priv->canvas,
343 					    priv->canvas_id_vd1_1,
344 					    priv->viu.vd1_addr1,
345 					    priv->viu.vd1_stride1,
346 					    priv->viu.vd1_height1,
347 					    MESON_CANVAS_WRAP_NONE,
348 					    MESON_CANVAS_BLKMODE_LINEAR,
349 					    MESON_CANVAS_ENDIAN_SWAP64);
350 		/* fallthrough */
351 		case 1:
352 			meson_canvas_config(priv->canvas,
353 					    priv->canvas_id_vd1_0,
354 					    priv->viu.vd1_addr0,
355 					    priv->viu.vd1_stride0,
356 					    priv->viu.vd1_height0,
357 					    MESON_CANVAS_WRAP_NONE,
358 					    MESON_CANVAS_BLKMODE_LINEAR,
359 					    MESON_CANVAS_ENDIAN_SWAP64);
360 		};
361 
362 		writel_relaxed(priv->viu.vd1_if0_gen_reg,
363 				priv->io_base + meson_crtc->viu_offset +
364 				_REG(VD1_IF0_GEN_REG));
365 		writel_relaxed(priv->viu.vd1_if0_gen_reg,
366 				priv->io_base + meson_crtc->viu_offset +
367 				_REG(VD2_IF0_GEN_REG));
368 		writel_relaxed(priv->viu.vd1_if0_gen_reg2,
369 				priv->io_base + meson_crtc->viu_offset +
370 				_REG(VD1_IF0_GEN_REG2));
371 		writel_relaxed(priv->viu.viu_vd1_fmt_ctrl,
372 				priv->io_base + meson_crtc->viu_offset +
373 				_REG(VIU_VD1_FMT_CTRL));
374 		writel_relaxed(priv->viu.viu_vd1_fmt_ctrl,
375 				priv->io_base + meson_crtc->viu_offset +
376 				_REG(VIU_VD2_FMT_CTRL));
377 		writel_relaxed(priv->viu.viu_vd1_fmt_w,
378 				priv->io_base + meson_crtc->viu_offset +
379 				_REG(VIU_VD1_FMT_W));
380 		writel_relaxed(priv->viu.viu_vd1_fmt_w,
381 				priv->io_base + meson_crtc->viu_offset +
382 				_REG(VIU_VD2_FMT_W));
383 		writel_relaxed(priv->viu.vd1_if0_canvas0,
384 				priv->io_base + meson_crtc->viu_offset +
385 				_REG(VD1_IF0_CANVAS0));
386 		writel_relaxed(priv->viu.vd1_if0_canvas0,
387 				priv->io_base + meson_crtc->viu_offset +
388 				_REG(VD1_IF0_CANVAS1));
389 		writel_relaxed(priv->viu.vd1_if0_canvas0,
390 				priv->io_base + meson_crtc->viu_offset +
391 				_REG(VD2_IF0_CANVAS0));
392 		writel_relaxed(priv->viu.vd1_if0_canvas0,
393 				priv->io_base + meson_crtc->viu_offset +
394 				_REG(VD2_IF0_CANVAS1));
395 		writel_relaxed(priv->viu.vd1_if0_luma_x0,
396 				priv->io_base + meson_crtc->viu_offset +
397 				_REG(VD1_IF0_LUMA_X0));
398 		writel_relaxed(priv->viu.vd1_if0_luma_x0,
399 				priv->io_base + meson_crtc->viu_offset +
400 				_REG(VD1_IF0_LUMA_X1));
401 		writel_relaxed(priv->viu.vd1_if0_luma_x0,
402 				priv->io_base + meson_crtc->viu_offset +
403 				_REG(VD2_IF0_LUMA_X0));
404 		writel_relaxed(priv->viu.vd1_if0_luma_x0,
405 				priv->io_base + meson_crtc->viu_offset +
406 				_REG(VD2_IF0_LUMA_X1));
407 		writel_relaxed(priv->viu.vd1_if0_luma_y0,
408 				priv->io_base + meson_crtc->viu_offset +
409 				_REG(VD1_IF0_LUMA_Y0));
410 		writel_relaxed(priv->viu.vd1_if0_luma_y0,
411 				priv->io_base + meson_crtc->viu_offset +
412 				_REG(VD1_IF0_LUMA_Y1));
413 		writel_relaxed(priv->viu.vd1_if0_luma_y0,
414 				priv->io_base + meson_crtc->viu_offset +
415 				_REG(VD2_IF0_LUMA_Y0));
416 		writel_relaxed(priv->viu.vd1_if0_luma_y0,
417 				priv->io_base + meson_crtc->viu_offset +
418 				_REG(VD2_IF0_LUMA_Y1));
419 		writel_relaxed(priv->viu.vd1_if0_chroma_x0,
420 				priv->io_base + meson_crtc->viu_offset +
421 				_REG(VD1_IF0_CHROMA_X0));
422 		writel_relaxed(priv->viu.vd1_if0_chroma_x0,
423 				priv->io_base + meson_crtc->viu_offset +
424 				_REG(VD1_IF0_CHROMA_X1));
425 		writel_relaxed(priv->viu.vd1_if0_chroma_x0,
426 				priv->io_base + meson_crtc->viu_offset +
427 				_REG(VD2_IF0_CHROMA_X0));
428 		writel_relaxed(priv->viu.vd1_if0_chroma_x0,
429 				priv->io_base + meson_crtc->viu_offset +
430 				_REG(VD2_IF0_CHROMA_X1));
431 		writel_relaxed(priv->viu.vd1_if0_chroma_y0,
432 				priv->io_base + meson_crtc->viu_offset +
433 				_REG(VD1_IF0_CHROMA_Y0));
434 		writel_relaxed(priv->viu.vd1_if0_chroma_y0,
435 				priv->io_base + meson_crtc->viu_offset +
436 				_REG(VD1_IF0_CHROMA_Y1));
437 		writel_relaxed(priv->viu.vd1_if0_chroma_y0,
438 				priv->io_base + meson_crtc->viu_offset +
439 				_REG(VD2_IF0_CHROMA_Y0));
440 		writel_relaxed(priv->viu.vd1_if0_chroma_y0,
441 				priv->io_base + meson_crtc->viu_offset +
442 				_REG(VD2_IF0_CHROMA_Y1));
443 		writel_relaxed(priv->viu.vd1_if0_repeat_loop,
444 				priv->io_base + meson_crtc->viu_offset +
445 				_REG(VD1_IF0_RPT_LOOP));
446 		writel_relaxed(priv->viu.vd1_if0_repeat_loop,
447 				priv->io_base + meson_crtc->viu_offset +
448 				_REG(VD2_IF0_RPT_LOOP));
449 		writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
450 				priv->io_base + meson_crtc->viu_offset +
451 				_REG(VD1_IF0_LUMA0_RPT_PAT));
452 		writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
453 				priv->io_base + meson_crtc->viu_offset +
454 				_REG(VD2_IF0_LUMA0_RPT_PAT));
455 		writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
456 				priv->io_base + meson_crtc->viu_offset +
457 				_REG(VD1_IF0_LUMA1_RPT_PAT));
458 		writel_relaxed(priv->viu.vd1_if0_luma0_rpt_pat,
459 				priv->io_base + meson_crtc->viu_offset +
460 				_REG(VD2_IF0_LUMA1_RPT_PAT));
461 		writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
462 				priv->io_base + meson_crtc->viu_offset +
463 				_REG(VD1_IF0_CHROMA0_RPT_PAT));
464 		writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
465 				priv->io_base + meson_crtc->viu_offset +
466 				_REG(VD2_IF0_CHROMA0_RPT_PAT));
467 		writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
468 				priv->io_base + meson_crtc->viu_offset +
469 				_REG(VD1_IF0_CHROMA1_RPT_PAT));
470 		writel_relaxed(priv->viu.vd1_if0_chroma0_rpt_pat,
471 				priv->io_base + meson_crtc->viu_offset +
472 				_REG(VD2_IF0_CHROMA1_RPT_PAT));
473 		writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
474 				_REG(VD1_IF0_LUMA_PSEL));
475 		writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
476 				_REG(VD1_IF0_CHROMA_PSEL));
477 		writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
478 				_REG(VD2_IF0_LUMA_PSEL));
479 		writel_relaxed(0, priv->io_base + meson_crtc->viu_offset +
480 				_REG(VD2_IF0_CHROMA_PSEL));
481 		writel_relaxed(priv->viu.vd1_range_map_y,
482 				priv->io_base + meson_crtc->viu_offset +
483 				_REG(VD1_IF0_RANGE_MAP_Y));
484 		writel_relaxed(priv->viu.vd1_range_map_cb,
485 				priv->io_base + meson_crtc->viu_offset +
486 				_REG(VD1_IF0_RANGE_MAP_CB));
487 		writel_relaxed(priv->viu.vd1_range_map_cr,
488 				priv->io_base + meson_crtc->viu_offset +
489 				_REG(VD1_IF0_RANGE_MAP_CR));
490 		writel_relaxed(0x78404,
491 				priv->io_base + _REG(VPP_SC_MISC));
492 		writel_relaxed(priv->viu.vpp_pic_in_height,
493 				priv->io_base + _REG(VPP_PIC_IN_HEIGHT));
494 		writel_relaxed(priv->viu.vpp_postblend_vd1_h_start_end,
495 			priv->io_base + _REG(VPP_POSTBLEND_VD1_H_START_END));
496 		writel_relaxed(priv->viu.vpp_blend_vd2_h_start_end,
497 			priv->io_base + _REG(VPP_BLEND_VD2_H_START_END));
498 		writel_relaxed(priv->viu.vpp_postblend_vd1_v_start_end,
499 			priv->io_base + _REG(VPP_POSTBLEND_VD1_V_START_END));
500 		writel_relaxed(priv->viu.vpp_blend_vd2_v_start_end,
501 			priv->io_base + _REG(VPP_BLEND_VD2_V_START_END));
502 		writel_relaxed(priv->viu.vpp_hsc_region12_startp,
503 				priv->io_base + _REG(VPP_HSC_REGION12_STARTP));
504 		writel_relaxed(priv->viu.vpp_hsc_region34_startp,
505 				priv->io_base + _REG(VPP_HSC_REGION34_STARTP));
506 		writel_relaxed(priv->viu.vpp_hsc_region4_endp,
507 				priv->io_base + _REG(VPP_HSC_REGION4_ENDP));
508 		writel_relaxed(priv->viu.vpp_hsc_start_phase_step,
509 				priv->io_base + _REG(VPP_HSC_START_PHASE_STEP));
510 		writel_relaxed(priv->viu.vpp_hsc_region1_phase_slope,
511 			priv->io_base + _REG(VPP_HSC_REGION1_PHASE_SLOPE));
512 		writel_relaxed(priv->viu.vpp_hsc_region3_phase_slope,
513 			priv->io_base + _REG(VPP_HSC_REGION3_PHASE_SLOPE));
514 		writel_relaxed(priv->viu.vpp_line_in_length,
515 				priv->io_base + _REG(VPP_LINE_IN_LENGTH));
516 		writel_relaxed(priv->viu.vpp_preblend_h_size,
517 				priv->io_base + _REG(VPP_PREBLEND_H_SIZE));
518 		writel_relaxed(priv->viu.vpp_vsc_region12_startp,
519 				priv->io_base + _REG(VPP_VSC_REGION12_STARTP));
520 		writel_relaxed(priv->viu.vpp_vsc_region34_startp,
521 				priv->io_base + _REG(VPP_VSC_REGION34_STARTP));
522 		writel_relaxed(priv->viu.vpp_vsc_region4_endp,
523 				priv->io_base + _REG(VPP_VSC_REGION4_ENDP));
524 		writel_relaxed(priv->viu.vpp_vsc_start_phase_step,
525 				priv->io_base + _REG(VPP_VSC_START_PHASE_STEP));
526 		writel_relaxed(priv->viu.vpp_vsc_ini_phase,
527 				priv->io_base + _REG(VPP_VSC_INI_PHASE));
528 		writel_relaxed(priv->viu.vpp_vsc_phase_ctrl,
529 				priv->io_base + _REG(VPP_VSC_PHASE_CTRL));
530 		writel_relaxed(priv->viu.vpp_hsc_phase_ctrl,
531 				priv->io_base + _REG(VPP_HSC_PHASE_CTRL));
532 		writel_relaxed(0x42, priv->io_base + _REG(VPP_SCALE_COEF_IDX));
533 
534 		/* Enable VD1 */
535 		if (meson_crtc->enable_vd1)
536 			meson_crtc->enable_vd1(priv);
537 
538 		priv->viu.vd1_commit = false;
539 	}
540 
541 	drm_crtc_handle_vblank(priv->crtc);
542 
543 	spin_lock_irqsave(&priv->drm->event_lock, flags);
544 	if (meson_crtc->event) {
545 		drm_crtc_send_vblank_event(priv->crtc, meson_crtc->event);
546 		drm_crtc_vblank_put(priv->crtc);
547 		meson_crtc->event = NULL;
548 	}
549 	spin_unlock_irqrestore(&priv->drm->event_lock, flags);
550 }
551 
552 int meson_crtc_create(struct meson_drm *priv)
553 {
554 	struct meson_crtc *meson_crtc;
555 	struct drm_crtc *crtc;
556 	int ret;
557 
558 	meson_crtc = devm_kzalloc(priv->drm->dev, sizeof(*meson_crtc),
559 				  GFP_KERNEL);
560 	if (!meson_crtc)
561 		return -ENOMEM;
562 
563 	meson_crtc->priv = priv;
564 	crtc = &meson_crtc->base;
565 	ret = drm_crtc_init_with_planes(priv->drm, crtc,
566 					priv->primary_plane, NULL,
567 					&meson_crtc_funcs, "meson_crtc");
568 	if (ret) {
569 		dev_err(priv->drm->dev, "Failed to init CRTC\n");
570 		return ret;
571 	}
572 
573 	if (meson_vpu_is_compatible(priv, "amlogic,meson-g12a-vpu")) {
574 		meson_crtc->enable_osd1 = meson_g12a_crtc_enable_osd1;
575 		meson_crtc->enable_vd1 = meson_g12a_crtc_enable_vd1;
576 		meson_crtc->viu_offset = MESON_G12A_VIU_OFFSET;
577 		drm_crtc_helper_add(crtc, &meson_g12a_crtc_helper_funcs);
578 	} else {
579 		meson_crtc->enable_osd1 = meson_crtc_enable_osd1;
580 		meson_crtc->enable_vd1 = meson_crtc_enable_vd1;
581 		drm_crtc_helper_add(crtc, &meson_crtc_helper_funcs);
582 	}
583 
584 	priv->crtc = crtc;
585 
586 	return 0;
587 }
588