rk_vop.c revision 1.5 1 /* $NetBSD: rk_vop.c,v 1.5 2019/12/17 18:30:51 jakllsch Exp $ */
2
3 /*-
4 * Copyright (c) 2019 Jared D. McNeill <jmcneill (at) invisible.ca>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: rk_vop.c,v 1.5 2019/12/17 18:30:51 jakllsch Exp $");
31
32 #include <sys/param.h>
33 #include <sys/bus.h>
34 #include <sys/device.h>
35 #include <sys/intr.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/conf.h>
39 #include <sys/sysctl.h>
40
41 #include <drm/drmP.h>
42 #include <drm/drm_crtc.h>
43 #include <drm/drm_crtc_helper.h>
44 #include <drm/drm_plane_helper.h>
45
46 #include <dev/fdt/fdtvar.h>
47 #include <dev/fdt/fdt_port.h>
48
49 #include <arm/rockchip/rk_drm.h>
50
51 #define VOP_REG_CFG_DONE 0x0000
52 #define REG_LOAD_EN __BIT(0)
53 #define VOP_SYS_CTRL 0x0008
54 #define VOP_STANDBY_EN __BIT(22)
55 #define MIPI_OUT_EN __BIT(15)
56 #define EDP_OUT_EN __BIT(14)
57 #define HDMI_OUT_EN __BIT(13)
58 #define RGB_OUT_EN __BIT(12)
59 #define VOP_DSP_CTRL0 0x0010
60 #define DSP_OUT_MODE __BITS(3,0)
61 #define DSP_OUT_MODE_RGB888 0
62 #define DSP_OUT_MODE_RGBaaa 15
63 #define VOP_DSP_CTRL1 0x0014
64 #define VOP_WIN0_CTRL 0x0030
65 #define WIN0_LB_MODE __BITS(7,5)
66 #define WIN0_LB_MODE_RGB_3840X2 2
67 #define WIN0_LB_MODE_RGB_2560X4 3
68 #define WIN0_LB_MODE_RGB_1920X5 4
69 #define WIN0_LB_MODE_RGB_1280X8 5
70 #define WIN0_DATA_FMT __BITS(3,1)
71 #define WIN0_DATA_FMT_ARGB888 0
72 #define WIN0_EN __BIT(0)
73 #define VOP_WIN0_COLOR_KEY 0x0038
74 #define VOP_WIN0_VIR 0x003c
75 #define WIN0_VIR_STRIDE __BITS(13,0)
76 #define VOP_WIN0_YRGB_MST 0x0040
77 #define VOP_WIN0_ACT_INFO 0x0048
78 #define WIN0_ACT_HEIGHT __BITS(28,16)
79 #define WIN0_ACT_WIDTH __BITS(12,0)
80 #define VOP_WIN0_DSP_INFO 0x004c
81 #define WIN0_DSP_HEIGHT __BITS(27,16)
82 #define WIN0_DSP_WIDTH __BITS(11,0)
83 #define VOP_WIN0_DSP_ST 0x0050
84 #define WIN0_DSP_YST __BITS(28,16)
85 #define WIN0_DSP_XST __BITS(12,0)
86 #define VOP_POST_DSP_HACT_INFO 0x0170
87 #define DSP_HACT_ST_POST __BITS(28,16)
88 #define DSP_HACT_END_POST __BITS(12,0)
89 #define VOP_POST_DSP_VACT_INFO 0x0174
90 #define DSP_VACT_ST_POST __BITS(28,16)
91 #define DSP_VACT_END_POST __BITS(12,0)
92 #define VOP_DSP_HTOTAL_HS_END 0x0188
93 #define DSP_HS_END __BITS(28,16)
94 #define DSP_HTOTAL __BITS(12,0)
95 #define VOP_DSP_HACT_ST_END 0x018c
96 #define DSP_HACT_ST __BITS(28,16)
97 #define DSP_HACT_END __BITS(12,0)
98 #define VOP_DSP_VTOTAL_VS_END 0x0190
99 #define DSP_VS_END __BITS(28,16)
100 #define DSP_VTOTAL __BITS(12,0)
101 #define VOP_DSP_VACT_ST_END 0x0194
102 #define DSP_VACT_ST __BITS(28,16)
103 #define DSP_VACT_END __BITS(12,0)
104
105 /*
106 * Polarity fields are in different locations depending on SoC and output type,
107 * but always in the same order.
108 */
109 #define DSP_DCLK_POL __BIT(3)
110 #define DSP_DEN_POL __BIT(2)
111 #define DSP_VSYNC_POL __BIT(1)
112 #define DSP_HSYNC_POL __BIT(0)
113
114 enum vop_ep_type {
115 VOP_EP_MIPI,
116 VOP_EP_EDP,
117 VOP_EP_HDMI,
118 VOP_EP_MIPI1,
119 VOP_EP_DP,
120 VOP_NEP
121 };
122
123 struct rk_vop_softc;
124 struct rk_vop_config;
125
126 struct rk_vop_crtc {
127 struct drm_crtc base;
128 struct rk_vop_softc *sc;
129 };
130
131 struct rk_vop_softc {
132 device_t sc_dev;
133 bus_space_tag_t sc_bst;
134 bus_space_handle_t sc_bsh;
135 int sc_phandle;
136
137 struct clk *sc_dclk;
138
139 struct rk_vop_crtc sc_crtc;
140
141 struct fdt_device_ports sc_ports;
142
143 struct rk_vop_config *sc_conf;
144 };
145
146 #define to_rk_vop_crtc(x) container_of(x, struct rk_vop_crtc, base)
147
148 #define RD4(sc, reg) \
149 bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg))
150 #define WR4(sc, reg, val) \
151 bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val))
152
153 struct rk_vop_config {
154 const char *descr;
155 u_int out_mode;
156 void (*init)(struct rk_vop_softc *);
157 void (*set_polarity)(struct rk_vop_softc *,
158 enum vop_ep_type, uint32_t);
159 };
160
161 #define RK3399_VOP_MIPI_POL __BITS(31,28)
162 #define RK3399_VOP_EDP_POL __BITS(27,24)
163 #define RK3399_VOP_HDMI_POL __BITS(23,20)
164 #define RK3399_VOP_DP_POL __BITS(19,16)
165
166 #define RK3399_VOP_SYS_CTRL_ENABLE __BIT(11)
167
168 static void
169 rk3399_vop_set_polarity(struct rk_vop_softc *sc, enum vop_ep_type ep_type, uint32_t pol)
170 {
171 uint32_t mask, val;
172
173 switch (ep_type) {
174 case VOP_EP_MIPI:
175 case VOP_EP_MIPI1:
176 mask = RK3399_VOP_MIPI_POL;
177 break;
178 case VOP_EP_EDP:
179 mask = RK3399_VOP_EDP_POL;
180 break;
181 case VOP_EP_HDMI:
182 mask = RK3399_VOP_HDMI_POL;
183 break;
184 case VOP_EP_DP:
185 mask = RK3399_VOP_DP_POL;
186 break;
187 default:
188 return;
189 }
190
191 val = RD4(sc, VOP_DSP_CTRL1);
192 val &= ~mask;
193 val |= __SHIFTIN(pol, mask);
194 WR4(sc, VOP_DSP_CTRL1, val);
195 }
196
197 static void
198 rk3399_vop_init(struct rk_vop_softc *sc)
199 {
200 uint32_t val;
201
202 val = RD4(sc, VOP_SYS_CTRL);
203 val |= RK3399_VOP_SYS_CTRL_ENABLE;
204 WR4(sc, VOP_SYS_CTRL, val);
205 }
206
207 static const struct rk_vop_config rk3399_vop_lit_config = {
208 .descr = "RK3399 VOPL",
209 .out_mode = DSP_OUT_MODE_RGB888,
210 .init = rk3399_vop_init,
211 .set_polarity = rk3399_vop_set_polarity,
212 };
213
214 static const struct rk_vop_config rk3399_vop_big_config = {
215 .descr = "RK3399 VOPB",
216 .out_mode = DSP_OUT_MODE_RGBaaa,
217 .init = rk3399_vop_init,
218 .set_polarity = rk3399_vop_set_polarity,
219 };
220
221 static const struct of_compat_data compat_data[] = {
222 { "rockchip,rk3399-vop-big", (uintptr_t)&rk3399_vop_big_config },
223 { "rockchip,rk3399-vop-lit", (uintptr_t)&rk3399_vop_lit_config },
224 { NULL }
225 };
226
227 static int
228 rk_vop_mode_do_set_base(struct drm_crtc *crtc, struct drm_framebuffer *fb,
229 int x, int y, int atomic)
230 {
231 struct rk_vop_crtc *mixer_crtc = to_rk_vop_crtc(crtc);
232 struct rk_vop_softc * const sc = mixer_crtc->sc;
233 struct rk_drm_framebuffer *sfb = atomic?
234 to_rk_drm_framebuffer(fb) :
235 to_rk_drm_framebuffer(crtc->primary->fb);
236
237 uint64_t paddr = (uint64_t)sfb->obj->dmamap->dm_segs[0].ds_addr;
238
239 paddr += y * sfb->base.pitches[0];
240 paddr += x * drm_format_plane_cpp(sfb->base.pixel_format, 0);
241
242 KASSERT((paddr & ~0xffffffff) == 0);
243
244 const uint32_t vir = __SHIFTIN(sfb->base.pitches[0] / 4,
245 WIN0_VIR_STRIDE);
246 WR4(sc, VOP_WIN0_VIR, vir);
247
248 /* Framebuffer start address */
249 WR4(sc, VOP_WIN0_YRGB_MST, (uint32_t)paddr);
250
251 return 0;
252 }
253
254 static void
255 rk_vop_destroy(struct drm_crtc *crtc)
256 {
257 drm_crtc_cleanup(crtc);
258 }
259
260 static const struct drm_crtc_funcs rk_vop_crtc_funcs = {
261 .set_config = drm_crtc_helper_set_config,
262 .destroy = rk_vop_destroy,
263 };
264
265 static void
266 rk_vop_dpms(struct drm_crtc *crtc, int mode)
267 {
268 }
269
270 static bool
271 rk_vop_mode_fixup(struct drm_crtc *crtc,
272 const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode)
273 {
274 return true;
275 }
276
277 static int
278 rk_vop_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
279 struct drm_display_mode *adjusted_mode, int x, int y,
280 struct drm_framebuffer *old_fb)
281 {
282 struct rk_vop_crtc *mixer_crtc = to_rk_vop_crtc(crtc);
283 struct rk_vop_softc * const sc = mixer_crtc->sc;
284 uint32_t val;
285 u_int lb_mode;
286 int error;
287 u_int pol;
288 int connector_type = 0;
289 struct drm_connector * connector;
290
291 const u_int hactive = adjusted_mode->hdisplay;
292 const u_int hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start;
293 const u_int hback_porch = adjusted_mode->htotal - adjusted_mode->hsync_end;
294 const u_int hfront_porch = adjusted_mode->hsync_start - adjusted_mode->hdisplay;
295
296 const u_int vactive = adjusted_mode->vdisplay;
297 const u_int vsync_len = adjusted_mode->vsync_end - adjusted_mode->vsync_start;
298 const u_int vback_porch = adjusted_mode->vtotal - adjusted_mode->vsync_end;
299 const u_int vfront_porch = adjusted_mode->vsync_start - adjusted_mode->vdisplay;
300
301 error = clk_set_rate(sc->sc_dclk, adjusted_mode->clock * 1000);
302 if (error != 0)
303 DRM_ERROR("couldn't set pixel clock: %d\n", error);
304
305 val = __SHIFTIN(hactive - 1, WIN0_ACT_WIDTH) |
306 __SHIFTIN(vactive - 1, WIN0_ACT_HEIGHT);
307 WR4(sc, VOP_WIN0_ACT_INFO, val);
308
309 val = __SHIFTIN(hactive - 1, WIN0_DSP_WIDTH) |
310 __SHIFTIN(vactive - 1, WIN0_DSP_HEIGHT);
311 WR4(sc, VOP_WIN0_DSP_INFO, val);
312
313 val = __SHIFTIN(hsync_len + hback_porch, WIN0_DSP_XST) |
314 __SHIFTIN(vsync_len + vback_porch, WIN0_DSP_YST);
315 WR4(sc, VOP_WIN0_DSP_ST, val);
316
317 WR4(sc, VOP_WIN0_COLOR_KEY, 0);
318
319 if (adjusted_mode->hdisplay > 2560)
320 lb_mode = WIN0_LB_MODE_RGB_3840X2;
321 else if (adjusted_mode->hdisplay > 1920)
322 lb_mode = WIN0_LB_MODE_RGB_2560X4;
323 else if (adjusted_mode->hdisplay > 1280)
324 lb_mode = WIN0_LB_MODE_RGB_1920X5;
325 else
326 lb_mode = WIN0_LB_MODE_RGB_1280X8;
327
328 val = __SHIFTIN(lb_mode, WIN0_LB_MODE) |
329 __SHIFTIN(WIN0_DATA_FMT_ARGB888, WIN0_DATA_FMT) |
330 WIN0_EN;
331 WR4(sc, VOP_WIN0_CTRL, val);
332
333 rk_vop_mode_do_set_base(crtc, old_fb, x, y, 0);
334
335 pol = DSP_DCLK_POL;
336 if ((adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) != 0)
337 pol |= DSP_HSYNC_POL;
338 if ((adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) != 0)
339 pol |= DSP_VSYNC_POL;
340
341 drm_for_each_connector(connector, crtc->dev) {
342 if ((connector->encoder) == NULL)
343 continue;
344 if (connector->encoder->crtc == crtc) {
345 connector_type = connector->connector_type;
346 break;
347 }
348 }
349
350 switch (connector_type) {
351 case DRM_MODE_CONNECTOR_HDMIA:
352 sc->sc_conf->set_polarity(sc, VOP_EP_HDMI, pol);
353 break;
354 case DRM_MODE_CONNECTOR_eDP:
355 sc->sc_conf->set_polarity(sc, VOP_EP_EDP, pol);
356 break;
357 }
358
359 val = RD4(sc, VOP_SYS_CTRL);
360 val &= ~VOP_STANDBY_EN;
361 val &= ~(MIPI_OUT_EN|EDP_OUT_EN|HDMI_OUT_EN|RGB_OUT_EN);
362
363 switch (connector_type) {
364 case DRM_MODE_CONNECTOR_HDMIA:
365 val |= HDMI_OUT_EN;
366 break;
367 case DRM_MODE_CONNECTOR_eDP:
368 val |= EDP_OUT_EN;
369 break;
370 }
371 WR4(sc, VOP_SYS_CTRL, val);
372
373 val = RD4(sc, VOP_DSP_CTRL0);
374 val &= ~DSP_OUT_MODE;
375 val |= __SHIFTIN(sc->sc_conf->out_mode, DSP_OUT_MODE);
376 WR4(sc, VOP_DSP_CTRL0, val);
377
378 val = __SHIFTIN(hsync_len + hback_porch, DSP_HACT_ST_POST) |
379 __SHIFTIN(hsync_len + hback_porch + hactive, DSP_HACT_END_POST);
380 WR4(sc, VOP_POST_DSP_HACT_INFO, val);
381
382 val = __SHIFTIN(hsync_len + hback_porch, DSP_HACT_ST) |
383 __SHIFTIN(hsync_len + hback_porch + hactive, DSP_HACT_END);
384 WR4(sc, VOP_DSP_HACT_ST_END, val);
385
386 val = __SHIFTIN(hsync_len, DSP_HTOTAL) |
387 __SHIFTIN(hsync_len + hback_porch + hactive + hfront_porch, DSP_HS_END);
388 WR4(sc, VOP_DSP_HTOTAL_HS_END, val);
389
390 val = __SHIFTIN(vsync_len + vback_porch, DSP_VACT_ST_POST) |
391 __SHIFTIN(vsync_len + vback_porch + vactive, DSP_VACT_END_POST);
392 WR4(sc, VOP_POST_DSP_VACT_INFO, val);
393
394 val = __SHIFTIN(vsync_len + vback_porch, DSP_VACT_ST) |
395 __SHIFTIN(vsync_len + vback_porch + vactive, DSP_VACT_END);
396 WR4(sc, VOP_DSP_VACT_ST_END, val);
397
398 val = __SHIFTIN(vsync_len, DSP_VTOTAL) |
399 __SHIFTIN(vsync_len + vback_porch + vactive + vfront_porch, DSP_VS_END);
400 WR4(sc, VOP_DSP_VTOTAL_VS_END, val);
401
402 return 0;
403 }
404
405 static int
406 rk_vop_mode_set_base(struct drm_crtc *crtc, int x, int y,
407 struct drm_framebuffer *old_fb)
408 {
409 struct rk_vop_crtc *mixer_crtc = to_rk_vop_crtc(crtc);
410 struct rk_vop_softc * const sc = mixer_crtc->sc;
411
412 rk_vop_mode_do_set_base(crtc, old_fb, x, y, 0);
413
414 /* Commit settings */
415 WR4(sc, VOP_REG_CFG_DONE, REG_LOAD_EN);
416
417 return 0;
418 }
419
420 static int
421 rk_vop_mode_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb,
422 int x, int y, enum mode_set_atomic state)
423 {
424 struct rk_vop_crtc *mixer_crtc = to_rk_vop_crtc(crtc);
425 struct rk_vop_softc * const sc = mixer_crtc->sc;
426
427 rk_vop_mode_do_set_base(crtc, fb, x, y, 1);
428
429 /* Commit settings */
430 WR4(sc, VOP_REG_CFG_DONE, REG_LOAD_EN);
431
432 return 0;
433 }
434
435 static void
436 rk_vop_disable(struct drm_crtc *crtc)
437 {
438 }
439
440 static void
441 rk_vop_prepare(struct drm_crtc *crtc)
442 {
443 }
444
445 static void
446 rk_vop_commit(struct drm_crtc *crtc)
447 {
448 struct rk_vop_crtc *mixer_crtc = to_rk_vop_crtc(crtc);
449 struct rk_vop_softc * const sc = mixer_crtc->sc;
450
451 /* Commit settings */
452 WR4(sc, VOP_REG_CFG_DONE, REG_LOAD_EN);
453 }
454
455 static const struct drm_crtc_helper_funcs rk_vop_crtc_helper_funcs = {
456 .dpms = rk_vop_dpms,
457 .mode_fixup = rk_vop_mode_fixup,
458 .mode_set = rk_vop_mode_set,
459 .mode_set_base = rk_vop_mode_set_base,
460 .mode_set_base_atomic = rk_vop_mode_set_base_atomic,
461 .disable = rk_vop_disable,
462 .prepare = rk_vop_prepare,
463 .commit = rk_vop_commit,
464 };
465
466 static int
467 rk_vop_ep_activate(device_t dev, struct fdt_endpoint *ep, bool activate)
468 {
469 struct rk_vop_softc * const sc = device_private(dev);
470 struct drm_device *ddev;
471
472 if (!activate)
473 return EINVAL;
474
475 ddev = rk_drm_port_device(&sc->sc_ports);
476 if (ddev == NULL) {
477 DRM_ERROR("couldn't find DRM device\n");
478 return ENXIO;
479 }
480
481 if (sc->sc_crtc.sc == NULL) {
482 sc->sc_crtc.sc = sc;
483
484 drm_crtc_init(ddev, &sc->sc_crtc.base, &rk_vop_crtc_funcs);
485 drm_crtc_helper_add(&sc->sc_crtc.base, &rk_vop_crtc_helper_funcs);
486
487 aprint_debug_dev(dev, "using CRTC %d for %s\n",
488 drm_crtc_index(&sc->sc_crtc.base), sc->sc_conf->descr);
489 }
490
491 const u_int ep_index = fdt_endpoint_index(ep);
492 if (ep_index >= VOP_NEP) {
493 DRM_ERROR("endpoint index %d out of range\n", ep_index);
494 return ENXIO;
495 }
496
497 return fdt_endpoint_activate(ep, activate);
498 }
499
500 static void *
501 rk_vop_ep_get_data(device_t dev, struct fdt_endpoint *ep)
502 {
503 struct rk_vop_softc * const sc = device_private(dev);
504
505 return &sc->sc_crtc.base;
506 }
507
508 static int
509 rk_vop_match(device_t parent, cfdata_t cf, void *aux)
510 {
511 struct fdt_attach_args * const faa = aux;
512
513 return of_match_compat_data(faa->faa_phandle, compat_data);
514 }
515
516 static void
517 rk_vop_attach(device_t parent, device_t self, void *aux)
518 {
519 struct rk_vop_softc * const sc = device_private(self);
520 struct fdt_attach_args * const faa = aux;
521 const int phandle = faa->faa_phandle;
522 const char * const reset_names[] = { "axi", "ahb", "dclk" };
523 const char * const clock_names[] = { "aclk_vop", "hclk_vop" };
524 struct fdtbus_reset *rst;
525 bus_addr_t addr;
526 bus_size_t size;
527 u_int n;
528
529 if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
530 aprint_error(": couldn't get registers\n");
531 return;
532 }
533
534 fdtbus_clock_assign(phandle);
535
536 for (n = 0; n < __arraycount(reset_names); n++) {
537 rst = fdtbus_reset_get(phandle, reset_names[n]);
538 if (rst == NULL || fdtbus_reset_deassert(rst) != 0) {
539 aprint_error(": couldn't de-assert reset %s\n", reset_names[n]);
540 return;
541 }
542 }
543 for (n = 0; n < __arraycount(clock_names); n++) {
544 if (fdtbus_clock_enable(phandle, clock_names[n], true) != 0) {
545 aprint_error(": couldn't enable clock %s\n", clock_names[n]);
546 return;
547 }
548 }
549 sc->sc_dclk = fdtbus_clock_get(phandle, "dclk_vop");
550 if (sc->sc_dclk == NULL || clk_enable(sc->sc_dclk) != 0) {
551 aprint_error(": couldn't enable clock %s\n", "dclk_vop");
552 return;
553 }
554
555 sc->sc_dev = self;
556 sc->sc_bst = faa->faa_bst;
557 if (bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh) != 0) {
558 aprint_error(": couldn't map registers\n");
559 return;
560 }
561 sc->sc_phandle = faa->faa_phandle;
562 sc->sc_conf = (void *)of_search_compatible(phandle, compat_data)->data;
563
564 aprint_naive("\n");
565 aprint_normal(": %s\n", sc->sc_conf->descr);
566
567 if (sc->sc_conf->init != NULL)
568 sc->sc_conf->init(sc);
569
570 sc->sc_ports.dp_ep_activate = rk_vop_ep_activate;
571 sc->sc_ports.dp_ep_get_data = rk_vop_ep_get_data;
572 fdt_ports_register(&sc->sc_ports, self, phandle, EP_DRM_CRTC);
573
574 const int port_phandle = of_find_firstchild_byname(phandle, "port");
575 if (port_phandle > 0)
576 rk_drm_register_port(port_phandle, &sc->sc_ports);
577 }
578
579 CFATTACH_DECL_NEW(rk_vop, sizeof(struct rk_vop_softc),
580 rk_vop_match, rk_vop_attach, NULL, NULL);
581