1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2018 BayLibre, SAS
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
6 */
7
8 #include <linux/bitfield.h>
9
10 #include <drm/drm_atomic.h>
11 #include <drm/drm_atomic_helper.h>
12 #include <drm/drm_device.h>
13 #include <drm/drm_fb_cma_helper.h>
14 #include <drm/drm_fourcc.h>
15 #include <drm/drm_gem_atomic_helper.h>
16 #include <drm/drm_gem_cma_helper.h>
17 #include <drm/drm_plane_helper.h>
18
19 #include "meson_overlay.h"
20 #include "meson_registers.h"
21 #include "meson_viu.h"
22 #include "meson_vpp.h"
23
24 /* VD1_IF0_GEN_REG */
25 #define VD_URGENT_CHROMA BIT(28)
26 #define VD_URGENT_LUMA BIT(27)
27 #define VD_HOLD_LINES(lines) FIELD_PREP(GENMASK(24, 19), lines)
28 #define VD_DEMUX_MODE_RGB BIT(16)
29 #define VD_BYTES_PER_PIXEL(val) FIELD_PREP(GENMASK(15, 14), val)
30 #define VD_CHRO_RPT_LASTL_CTRL BIT(6)
31 #define VD_LITTLE_ENDIAN BIT(4)
32 #define VD_SEPARATE_EN BIT(1)
33 #define VD_ENABLE BIT(0)
34
35 /* VD1_IF0_CANVAS0 */
36 #define CANVAS_ADDR2(addr) FIELD_PREP(GENMASK(23, 16), addr)
37 #define CANVAS_ADDR1(addr) FIELD_PREP(GENMASK(15, 8), addr)
38 #define CANVAS_ADDR0(addr) FIELD_PREP(GENMASK(7, 0), addr)
39
40 /* VD1_IF0_LUMA_X0 VD1_IF0_CHROMA_X0 */
41 #define VD_X_START(value) FIELD_PREP(GENMASK(14, 0), value)
42 #define VD_X_END(value) FIELD_PREP(GENMASK(30, 16), value)
43
44 /* VD1_IF0_LUMA_Y0 VD1_IF0_CHROMA_Y0 */
45 #define VD_Y_START(value) FIELD_PREP(GENMASK(12, 0), value)
46 #define VD_Y_END(value) FIELD_PREP(GENMASK(28, 16), value)
47
48 /* VD1_IF0_GEN_REG2 */
49 #define VD_COLOR_MAP(value) FIELD_PREP(GENMASK(1, 0), value)
50
51 /* VIU_VD1_FMT_CTRL */
52 #define VD_HORZ_Y_C_RATIO(value) FIELD_PREP(GENMASK(22, 21), value)
53 #define VD_HORZ_FMT_EN BIT(20)
54 #define VD_VERT_RPT_LINE0 BIT(16)
55 #define VD_VERT_INITIAL_PHASE(value) FIELD_PREP(GENMASK(11, 8), value)
56 #define VD_VERT_PHASE_STEP(value) FIELD_PREP(GENMASK(7, 1), value)
57 #define VD_VERT_FMT_EN BIT(0)
58
59 /* VPP_POSTBLEND_VD1_H_START_END */
60 #define VD_H_END(value) FIELD_PREP(GENMASK(11, 0), value)
61 #define VD_H_START(value) FIELD_PREP(GENMASK(27, 16), \
62 ((value) & GENMASK(13, 0)))
63
64 /* VPP_POSTBLEND_VD1_V_START_END */
65 #define VD_V_END(value) FIELD_PREP(GENMASK(11, 0), value)
66 #define VD_V_START(value) FIELD_PREP(GENMASK(27, 16), value)
67
68 /* VPP_BLEND_VD2_V_START_END */
69 #define VD2_V_END(value) FIELD_PREP(GENMASK(11, 0), value)
70 #define VD2_V_START(value) FIELD_PREP(GENMASK(27, 16), value)
71
72 /* VIU_VD1_FMT_W */
73 #define VD_V_WIDTH(value) FIELD_PREP(GENMASK(11, 0), value)
74 #define VD_H_WIDTH(value) FIELD_PREP(GENMASK(27, 16), value)
75
76 /* VPP_HSC_REGION12_STARTP VPP_HSC_REGION34_STARTP */
77 #define VD_REGION24_START(value) FIELD_PREP(GENMASK(11, 0), value)
78 #define VD_REGION13_END(value) FIELD_PREP(GENMASK(27, 16), value)
79
80 /* AFBC_ENABLE */
81 #define AFBC_DEC_ENABLE BIT(8)
82 #define AFBC_FRM_START BIT(0)
83
84 /* AFBC_MODE */
85 #define AFBC_HORZ_SKIP_UV(value) FIELD_PREP(GENMASK(1, 0), value)
86 #define AFBC_VERT_SKIP_UV(value) FIELD_PREP(GENMASK(3, 2), value)
87 #define AFBC_HORZ_SKIP_Y(value) FIELD_PREP(GENMASK(5, 4), value)
88 #define AFBC_VERT_SKIP_Y(value) FIELD_PREP(GENMASK(7, 6), value)
89 #define AFBC_COMPBITS_YUV(value) FIELD_PREP(GENMASK(13, 8), value)
90 #define AFBC_COMPBITS_8BIT 0
91 #define AFBC_COMPBITS_10BIT (2 | (2 << 2) | (2 << 4))
92 #define AFBC_BURST_LEN(value) FIELD_PREP(GENMASK(15, 14), value)
93 #define AFBC_HOLD_LINE_NUM(value) FIELD_PREP(GENMASK(22, 16), value)
94 #define AFBC_MIF_URGENT(value) FIELD_PREP(GENMASK(25, 24), value)
95 #define AFBC_REV_MODE(value) FIELD_PREP(GENMASK(27, 26), value)
96 #define AFBC_BLK_MEM_MODE BIT(28)
97 #define AFBC_SCATTER_MODE BIT(29)
98 #define AFBC_SOFT_RESET BIT(31)
99
100 /* AFBC_SIZE_IN */
101 #define AFBC_HSIZE_IN(value) FIELD_PREP(GENMASK(28, 16), value)
102 #define AFBC_VSIZE_IN(value) FIELD_PREP(GENMASK(12, 0), value)
103
104 /* AFBC_DEC_DEF_COLOR */
105 #define AFBC_DEF_COLOR_Y(value) FIELD_PREP(GENMASK(29, 20), value)
106 #define AFBC_DEF_COLOR_U(value) FIELD_PREP(GENMASK(19, 10), value)
107 #define AFBC_DEF_COLOR_V(value) FIELD_PREP(GENMASK(9, 0), value)
108
109 /* AFBC_CONV_CTRL */
110 #define AFBC_CONV_LBUF_LEN(value) FIELD_PREP(GENMASK(11, 0), value)
111
112 /* AFBC_LBUF_DEPTH */
113 #define AFBC_DEC_LBUF_DEPTH(value) FIELD_PREP(GENMASK(27, 16), value)
114 #define AFBC_MIF_LBUF_DEPTH(value) FIELD_PREP(GENMASK(11, 0), value)
115
116 /* AFBC_OUT_XSCOPE/AFBC_SIZE_OUT */
117 #define AFBC_HSIZE_OUT(value) FIELD_PREP(GENMASK(28, 16), value)
118 #define AFBC_VSIZE_OUT(value) FIELD_PREP(GENMASK(12, 0), value)
119 #define AFBC_OUT_HORZ_BGN(value) FIELD_PREP(GENMASK(28, 16), value)
120 #define AFBC_OUT_HORZ_END(value) FIELD_PREP(GENMASK(12, 0), value)
121
122 /* AFBC_OUT_YSCOPE */
123 #define AFBC_OUT_VERT_BGN(value) FIELD_PREP(GENMASK(28, 16), value)
124 #define AFBC_OUT_VERT_END(value) FIELD_PREP(GENMASK(12, 0), value)
125
126 /* AFBC_VD_CFMT_CTRL */
127 #define AFBC_HORZ_RPT_PIXEL0 BIT(23)
128 #define AFBC_HORZ_Y_C_RATIO(value) FIELD_PREP(GENMASK(22, 21), value)
129 #define AFBC_HORZ_FMT_EN BIT(20)
130 #define AFBC_VERT_RPT_LINE0 BIT(16)
131 #define AFBC_VERT_INITIAL_PHASE(value) FIELD_PREP(GENMASK(11, 8), value)
132 #define AFBC_VERT_PHASE_STEP(value) FIELD_PREP(GENMASK(7, 1), value)
133 #define AFBC_VERT_FMT_EN BIT(0)
134
135 /* AFBC_VD_CFMT_W */
136 #define AFBC_VD_V_WIDTH(value) FIELD_PREP(GENMASK(11, 0), value)
137 #define AFBC_VD_H_WIDTH(value) FIELD_PREP(GENMASK(27, 16), value)
138
139 /* AFBC_MIF_HOR_SCOPE */
140 #define AFBC_MIF_BLK_BGN_H(value) FIELD_PREP(GENMASK(25, 16), value)
141 #define AFBC_MIF_BLK_END_H(value) FIELD_PREP(GENMASK(9, 0), value)
142
143 /* AFBC_MIF_VER_SCOPE */
144 #define AFBC_MIF_BLK_BGN_V(value) FIELD_PREP(GENMASK(27, 16), value)
145 #define AFBC_MIF_BLK_END_V(value) FIELD_PREP(GENMASK(11, 0), value)
146
147 /* AFBC_PIXEL_HOR_SCOPE */
148 #define AFBC_DEC_PIXEL_BGN_H(value) FIELD_PREP(GENMASK(28, 16), \
149 ((value) & GENMASK(12, 0)))
150 #define AFBC_DEC_PIXEL_END_H(value) FIELD_PREP(GENMASK(12, 0), value)
151
152 /* AFBC_PIXEL_VER_SCOPE */
153 #define AFBC_DEC_PIXEL_BGN_V(value) FIELD_PREP(GENMASK(28, 16), value)
154 #define AFBC_DEC_PIXEL_END_V(value) FIELD_PREP(GENMASK(12, 0), value)
155
156 /* AFBC_VD_CFMT_H */
157 #define AFBC_VD_HEIGHT(value) FIELD_PREP(GENMASK(12, 0), value)
158
159 struct meson_overlay {
160 struct drm_plane base;
161 struct meson_drm *priv;
162 };
163 #define to_meson_overlay(x) container_of(x, struct meson_overlay, base)
164
165 #define FRAC_16_16(mult, div) (((mult) << 16) / (div))
166
meson_overlay_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)167 static int meson_overlay_atomic_check(struct drm_plane *plane,
168 struct drm_atomic_state *state)
169 {
170 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
171 plane);
172 struct drm_crtc_state *crtc_state;
173
174 if (!new_plane_state->crtc)
175 return 0;
176
177 crtc_state = drm_atomic_get_crtc_state(state,
178 new_plane_state->crtc);
179 if (IS_ERR(crtc_state))
180 return PTR_ERR(crtc_state);
181
182 return drm_atomic_helper_check_plane_state(new_plane_state,
183 crtc_state,
184 FRAC_16_16(1, 5),
185 FRAC_16_16(5, 1),
186 true, true);
187 }
188
189 /* Takes a fixed 16.16 number and converts it to integer. */
fixed16_to_int(int64_t value)190 static inline int64_t fixed16_to_int(int64_t value)
191 {
192 return value >> 16;
193 }
194
195 static const uint8_t skip_tab[6] = {
196 0x24, 0x04, 0x68, 0x48, 0x28, 0x08,
197 };
198
meson_overlay_get_vertical_phase(unsigned int ratio_y,int * phase,int * repeat,bool interlace)199 static void meson_overlay_get_vertical_phase(unsigned int ratio_y, int *phase,
200 int *repeat, bool interlace)
201 {
202 int offset_in = 0;
203 int offset_out = 0;
204 int repeat_skip = 0;
205
206 if (!interlace && ratio_y > (1 << 18))
207 offset_out = (1 * ratio_y) >> 10;
208
209 while ((offset_in + (4 << 8)) <= offset_out) {
210 repeat_skip++;
211 offset_in += 4 << 8;
212 }
213
214 *phase = (offset_out - offset_in) >> 2;
215
216 if (*phase > 0x100)
217 repeat_skip++;
218
219 *phase = *phase & 0xff;
220
221 if (repeat_skip > 5)
222 repeat_skip = 5;
223
224 *repeat = skip_tab[repeat_skip];
225 }
226
meson_overlay_setup_scaler_params(struct meson_drm * priv,struct drm_plane * plane,bool interlace_mode)227 static void meson_overlay_setup_scaler_params(struct meson_drm *priv,
228 struct drm_plane *plane,
229 bool interlace_mode)
230 {
231 struct drm_crtc_state *crtc_state = priv->crtc->state;
232 int video_top, video_left, video_width, video_height;
233 struct drm_plane_state *state = plane->state;
234 unsigned int vd_start_lines, vd_end_lines;
235 unsigned int hd_start_lines, hd_end_lines;
236 unsigned int crtc_height, crtc_width;
237 unsigned int vsc_startp, vsc_endp;
238 unsigned int hsc_startp, hsc_endp;
239 unsigned int crop_top, crop_left;
240 int vphase, vphase_repeat_skip;
241 unsigned int ratio_x, ratio_y;
242 int temp_height, temp_width;
243 unsigned int w_in, h_in;
244 int afbc_left, afbc_right;
245 int afbc_top_src, afbc_bottom_src;
246 int afbc_top, afbc_bottom;
247 int temp, start, end;
248
249 if (!crtc_state) {
250 DRM_ERROR("Invalid crtc_state\n");
251 return;
252 }
253
254 crtc_height = crtc_state->mode.vdisplay;
255 crtc_width = crtc_state->mode.hdisplay;
256
257 w_in = fixed16_to_int(state->src_w);
258 h_in = fixed16_to_int(state->src_h);
259 crop_top = fixed16_to_int(state->src_y);
260 crop_left = fixed16_to_int(state->src_x);
261
262 video_top = state->crtc_y;
263 video_left = state->crtc_x;
264 video_width = state->crtc_w;
265 video_height = state->crtc_h;
266
267 DRM_DEBUG("crtc_width %d crtc_height %d interlace %d\n",
268 crtc_width, crtc_height, interlace_mode);
269 DRM_DEBUG("w_in %d h_in %d crop_top %d crop_left %d\n",
270 w_in, h_in, crop_top, crop_left);
271 DRM_DEBUG("video top %d left %d width %d height %d\n",
272 video_top, video_left, video_width, video_height);
273
274 ratio_x = (w_in << 18) / video_width;
275 ratio_y = (h_in << 18) / video_height;
276
277 if (ratio_x * video_width < (w_in << 18))
278 ratio_x++;
279
280 DRM_DEBUG("ratio x 0x%x y 0x%x\n", ratio_x, ratio_y);
281
282 meson_overlay_get_vertical_phase(ratio_y, &vphase, &vphase_repeat_skip,
283 interlace_mode);
284
285 DRM_DEBUG("vphase 0x%x skip %d\n", vphase, vphase_repeat_skip);
286
287 /* Vertical */
288
289 start = video_top + video_height / 2 - ((h_in << 17) / ratio_y);
290 end = (h_in << 18) / ratio_y + start - 1;
291
292 if (video_top < 0 && start < 0)
293 vd_start_lines = (-(start) * ratio_y) >> 18;
294 else if (start < video_top)
295 vd_start_lines = ((video_top - start) * ratio_y) >> 18;
296 else
297 vd_start_lines = 0;
298
299 if (video_top < 0)
300 temp_height = min_t(unsigned int,
301 video_top + video_height - 1,
302 crtc_height - 1);
303 else
304 temp_height = min_t(unsigned int,
305 video_top + video_height - 1,
306 crtc_height - 1) - video_top + 1;
307
308 temp = vd_start_lines + (temp_height * ratio_y >> 18);
309 vd_end_lines = (temp <= (h_in - 1)) ? temp : (h_in - 1);
310
311 vd_start_lines += crop_left;
312 vd_end_lines += crop_left;
313
314 /*
315 * TOFIX: Input frames are handled and scaled like progressive frames,
316 * proper handling of interlaced field input frames need to be figured
317 * out using the proper framebuffer flags set by userspace.
318 */
319 if (interlace_mode) {
320 start >>= 1;
321 end >>= 1;
322 }
323
324 vsc_startp = max_t(int, start,
325 max_t(int, 0, video_top));
326 vsc_endp = min_t(int, end,
327 min_t(int, crtc_height - 1,
328 video_top + video_height - 1));
329
330 DRM_DEBUG("vsc startp %d endp %d start_lines %d end_lines %d\n",
331 vsc_startp, vsc_endp, vd_start_lines, vd_end_lines);
332
333 afbc_top = round_down(vd_start_lines, 4);
334 afbc_bottom = round_up(vd_end_lines + 1, 4);
335 afbc_top_src = 0;
336 afbc_bottom_src = round_up(h_in + 1, 4);
337
338 DRM_DEBUG("afbc top %d (src %d) bottom %d (src %d)\n",
339 afbc_top, afbc_top_src, afbc_bottom, afbc_bottom_src);
340
341 /* Horizontal */
342
343 start = video_left + video_width / 2 - ((w_in << 17) / ratio_x);
344 end = (w_in << 18) / ratio_x + start - 1;
345
346 if (video_left < 0 && start < 0)
347 hd_start_lines = (-(start) * ratio_x) >> 18;
348 else if (start < video_left)
349 hd_start_lines = ((video_left - start) * ratio_x) >> 18;
350 else
351 hd_start_lines = 0;
352
353 if (video_left < 0)
354 temp_width = min_t(unsigned int,
355 video_left + video_width - 1,
356 crtc_width - 1);
357 else
358 temp_width = min_t(unsigned int,
359 video_left + video_width - 1,
360 crtc_width - 1) - video_left + 1;
361
362 temp = hd_start_lines + (temp_width * ratio_x >> 18);
363 hd_end_lines = (temp <= (w_in - 1)) ? temp : (w_in - 1);
364
365 priv->viu.vpp_line_in_length = hd_end_lines - hd_start_lines + 1;
366 hsc_startp = max_t(int, start, max_t(int, 0, video_left));
367 hsc_endp = min_t(int, end, min_t(int, crtc_width - 1,
368 video_left + video_width - 1));
369
370 hd_start_lines += crop_top;
371 hd_end_lines += crop_top;
372
373 DRM_DEBUG("hsc startp %d endp %d start_lines %d end_lines %d\n",
374 hsc_startp, hsc_endp, hd_start_lines, hd_end_lines);
375
376 if (hd_start_lines > 0 || (hd_end_lines < w_in)) {
377 afbc_left = 0;
378 afbc_right = round_up(w_in, 32);
379 } else {
380 afbc_left = round_down(hd_start_lines, 32);
381 afbc_right = round_up(hd_end_lines + 1, 32);
382 }
383
384 DRM_DEBUG("afbc left %d right %d\n", afbc_left, afbc_right);
385
386 priv->viu.vpp_vsc_start_phase_step = ratio_y << 6;
387
388 priv->viu.vpp_vsc_ini_phase = vphase << 8;
389 priv->viu.vpp_vsc_phase_ctrl = (1 << 13) | (4 << 8) |
390 vphase_repeat_skip;
391
392 priv->viu.vd1_if0_luma_x0 = VD_X_START(hd_start_lines) |
393 VD_X_END(hd_end_lines);
394 priv->viu.vd1_if0_chroma_x0 = VD_X_START(hd_start_lines >> 1) |
395 VD_X_END(hd_end_lines >> 1);
396
397 priv->viu.viu_vd1_fmt_w =
398 VD_H_WIDTH(hd_end_lines - hd_start_lines + 1) |
399 VD_V_WIDTH(hd_end_lines/2 - hd_start_lines/2 + 1);
400
401 priv->viu.vd1_afbc_vd_cfmt_w =
402 AFBC_VD_H_WIDTH(afbc_right - afbc_left) |
403 AFBC_VD_V_WIDTH(afbc_right / 2 - afbc_left / 2);
404
405 priv->viu.vd1_afbc_vd_cfmt_h =
406 AFBC_VD_HEIGHT((afbc_bottom - afbc_top) / 2);
407
408 priv->viu.vd1_afbc_mif_hor_scope = AFBC_MIF_BLK_BGN_H(afbc_left / 32) |
409 AFBC_MIF_BLK_END_H((afbc_right / 32) - 1);
410
411 priv->viu.vd1_afbc_mif_ver_scope = AFBC_MIF_BLK_BGN_V(afbc_top / 4) |
412 AFBC_MIF_BLK_END_H((afbc_bottom / 4) - 1);
413
414 priv->viu.vd1_afbc_size_out =
415 AFBC_HSIZE_OUT(afbc_right - afbc_left) |
416 AFBC_VSIZE_OUT(afbc_bottom - afbc_top);
417
418 priv->viu.vd1_afbc_pixel_hor_scope =
419 AFBC_DEC_PIXEL_BGN_H(hd_start_lines - afbc_left) |
420 AFBC_DEC_PIXEL_END_H(hd_end_lines - afbc_left);
421
422 priv->viu.vd1_afbc_pixel_ver_scope =
423 AFBC_DEC_PIXEL_BGN_V(vd_start_lines - afbc_top) |
424 AFBC_DEC_PIXEL_END_V(vd_end_lines - afbc_top);
425
426 priv->viu.vd1_afbc_size_in =
427 AFBC_HSIZE_IN(afbc_right - afbc_left) |
428 AFBC_VSIZE_IN(afbc_bottom_src - afbc_top_src);
429
430 priv->viu.vd1_if0_luma_y0 = VD_Y_START(vd_start_lines) |
431 VD_Y_END(vd_end_lines);
432
433 priv->viu.vd1_if0_chroma_y0 = VD_Y_START(vd_start_lines >> 1) |
434 VD_Y_END(vd_end_lines >> 1);
435
436 priv->viu.vpp_pic_in_height = h_in;
437
438 priv->viu.vpp_postblend_vd1_h_start_end = VD_H_START(hsc_startp) |
439 VD_H_END(hsc_endp);
440 priv->viu.vpp_blend_vd2_h_start_end = VD_H_START(hd_start_lines) |
441 VD_H_END(hd_end_lines);
442 priv->viu.vpp_hsc_region12_startp = VD_REGION13_END(0) |
443 VD_REGION24_START(hsc_startp);
444 priv->viu.vpp_hsc_region34_startp =
445 VD_REGION13_END(hsc_startp) |
446 VD_REGION24_START(hsc_endp - hsc_startp);
447 priv->viu.vpp_hsc_region4_endp = hsc_endp - hsc_startp;
448 priv->viu.vpp_hsc_start_phase_step = ratio_x << 6;
449 priv->viu.vpp_hsc_region1_phase_slope = 0;
450 priv->viu.vpp_hsc_region3_phase_slope = 0;
451 priv->viu.vpp_hsc_phase_ctrl = (1 << 21) | (4 << 16);
452
453 priv->viu.vpp_line_in_length = hd_end_lines - hd_start_lines + 1;
454 priv->viu.vpp_preblend_h_size = hd_end_lines - hd_start_lines + 1;
455
456 priv->viu.vpp_postblend_vd1_v_start_end = VD_V_START(vsc_startp) |
457 VD_V_END(vsc_endp);
458 priv->viu.vpp_blend_vd2_v_start_end =
459 VD2_V_START((vd_end_lines + 1) >> 1) |
460 VD2_V_END(vd_end_lines);
461
462 priv->viu.vpp_vsc_region12_startp = 0;
463 priv->viu.vpp_vsc_region34_startp =
464 VD_REGION13_END(vsc_endp - vsc_startp) |
465 VD_REGION24_START(vsc_endp - vsc_startp);
466 priv->viu.vpp_vsc_region4_endp = vsc_endp - vsc_startp;
467 priv->viu.vpp_vsc_start_phase_step = ratio_y << 6;
468 }
469
meson_overlay_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)470 static void meson_overlay_atomic_update(struct drm_plane *plane,
471 struct drm_atomic_state *state)
472 {
473 struct meson_overlay *meson_overlay = to_meson_overlay(plane);
474 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
475 plane);
476 struct drm_framebuffer *fb = new_state->fb;
477 struct meson_drm *priv = meson_overlay->priv;
478 struct drm_gem_cma_object *gem;
479 unsigned long flags;
480 bool interlace_mode;
481
482 DRM_DEBUG_DRIVER("\n");
483
484 interlace_mode = new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE;
485
486 spin_lock_irqsave(&priv->drm->event_lock, flags);
487
488 if ((fb->modifier & DRM_FORMAT_MOD_AMLOGIC_FBC(0, 0)) ==
489 DRM_FORMAT_MOD_AMLOGIC_FBC(0, 0)) {
490 priv->viu.vd1_afbc = true;
491
492 priv->viu.vd1_afbc_mode = AFBC_MIF_URGENT(3) |
493 AFBC_HOLD_LINE_NUM(8) |
494 AFBC_BURST_LEN(2);
495
496 if (fb->modifier & DRM_FORMAT_MOD_AMLOGIC_FBC(0,
497 AMLOGIC_FBC_OPTION_MEM_SAVING))
498 priv->viu.vd1_afbc_mode |= AFBC_BLK_MEM_MODE;
499
500 if ((fb->modifier & __fourcc_mod_amlogic_layout_mask) ==
501 AMLOGIC_FBC_LAYOUT_SCATTER)
502 priv->viu.vd1_afbc_mode |= AFBC_SCATTER_MODE;
503
504 priv->viu.vd1_afbc_en = 0x1600 | AFBC_DEC_ENABLE;
505
506 priv->viu.vd1_afbc_conv_ctrl = AFBC_CONV_LBUF_LEN(256);
507
508 priv->viu.vd1_afbc_dec_def_color = AFBC_DEF_COLOR_Y(1023);
509
510 /* 420: horizontal / 2, vertical / 4 */
511 priv->viu.vd1_afbc_vd_cfmt_ctrl = AFBC_HORZ_RPT_PIXEL0 |
512 AFBC_HORZ_Y_C_RATIO(1) |
513 AFBC_HORZ_FMT_EN |
514 AFBC_VERT_RPT_LINE0 |
515 AFBC_VERT_INITIAL_PHASE(12) |
516 AFBC_VERT_PHASE_STEP(8) |
517 AFBC_VERT_FMT_EN;
518
519 switch (fb->format->format) {
520 /* AFBC Only formats */
521 case DRM_FORMAT_YUV420_10BIT:
522 priv->viu.vd1_afbc_mode |=
523 AFBC_COMPBITS_YUV(AFBC_COMPBITS_10BIT);
524 priv->viu.vd1_afbc_dec_def_color |=
525 AFBC_DEF_COLOR_U(512) |
526 AFBC_DEF_COLOR_V(512);
527 break;
528 case DRM_FORMAT_YUV420_8BIT:
529 priv->viu.vd1_afbc_dec_def_color |=
530 AFBC_DEF_COLOR_U(128) |
531 AFBC_DEF_COLOR_V(128);
532 break;
533 }
534
535 priv->viu.vd1_if0_gen_reg = 0;
536 priv->viu.vd1_if0_canvas0 = 0;
537 priv->viu.viu_vd1_fmt_ctrl = 0;
538 } else {
539 priv->viu.vd1_afbc = false;
540
541 priv->viu.vd1_if0_gen_reg = VD_URGENT_CHROMA |
542 VD_URGENT_LUMA |
543 VD_HOLD_LINES(9) |
544 VD_CHRO_RPT_LASTL_CTRL |
545 VD_ENABLE;
546 }
547
548 /* Setup scaler params */
549 meson_overlay_setup_scaler_params(priv, plane, interlace_mode);
550
551 priv->viu.vd1_if0_repeat_loop = 0;
552 priv->viu.vd1_if0_luma0_rpt_pat = interlace_mode ? 8 : 0;
553 priv->viu.vd1_if0_chroma0_rpt_pat = interlace_mode ? 8 : 0;
554 priv->viu.vd1_range_map_y = 0;
555 priv->viu.vd1_range_map_cb = 0;
556 priv->viu.vd1_range_map_cr = 0;
557
558 /* Default values for RGB888/YUV444 */
559 priv->viu.vd1_if0_gen_reg2 = 0;
560 priv->viu.viu_vd1_fmt_ctrl = 0;
561
562 /* None will match for AFBC Only formats */
563 switch (fb->format->format) {
564 /* TOFIX DRM_FORMAT_RGB888 should be supported */
565 case DRM_FORMAT_YUYV:
566 priv->viu.vd1_if0_gen_reg |= VD_BYTES_PER_PIXEL(1);
567 priv->viu.vd1_if0_canvas0 =
568 CANVAS_ADDR2(priv->canvas_id_vd1_0) |
569 CANVAS_ADDR1(priv->canvas_id_vd1_0) |
570 CANVAS_ADDR0(priv->canvas_id_vd1_0);
571 priv->viu.viu_vd1_fmt_ctrl = VD_HORZ_Y_C_RATIO(1) | /* /2 */
572 VD_HORZ_FMT_EN |
573 VD_VERT_RPT_LINE0 |
574 VD_VERT_INITIAL_PHASE(12) |
575 VD_VERT_PHASE_STEP(16) | /* /2 */
576 VD_VERT_FMT_EN;
577 break;
578 case DRM_FORMAT_NV12:
579 case DRM_FORMAT_NV21:
580 priv->viu.vd1_if0_gen_reg |= VD_SEPARATE_EN;
581 priv->viu.vd1_if0_canvas0 =
582 CANVAS_ADDR2(priv->canvas_id_vd1_1) |
583 CANVAS_ADDR1(priv->canvas_id_vd1_1) |
584 CANVAS_ADDR0(priv->canvas_id_vd1_0);
585 if (fb->format->format == DRM_FORMAT_NV12)
586 priv->viu.vd1_if0_gen_reg2 = VD_COLOR_MAP(1);
587 else
588 priv->viu.vd1_if0_gen_reg2 = VD_COLOR_MAP(2);
589 priv->viu.viu_vd1_fmt_ctrl = VD_HORZ_Y_C_RATIO(1) | /* /2 */
590 VD_HORZ_FMT_EN |
591 VD_VERT_RPT_LINE0 |
592 VD_VERT_INITIAL_PHASE(12) |
593 VD_VERT_PHASE_STEP(8) | /* /4 */
594 VD_VERT_FMT_EN;
595 break;
596 case DRM_FORMAT_YUV444:
597 case DRM_FORMAT_YUV422:
598 case DRM_FORMAT_YUV420:
599 case DRM_FORMAT_YUV411:
600 case DRM_FORMAT_YUV410:
601 priv->viu.vd1_if0_gen_reg |= VD_SEPARATE_EN;
602 priv->viu.vd1_if0_canvas0 =
603 CANVAS_ADDR2(priv->canvas_id_vd1_2) |
604 CANVAS_ADDR1(priv->canvas_id_vd1_1) |
605 CANVAS_ADDR0(priv->canvas_id_vd1_0);
606 switch (fb->format->format) {
607 case DRM_FORMAT_YUV422:
608 priv->viu.viu_vd1_fmt_ctrl =
609 VD_HORZ_Y_C_RATIO(1) | /* /2 */
610 VD_HORZ_FMT_EN |
611 VD_VERT_RPT_LINE0 |
612 VD_VERT_INITIAL_PHASE(12) |
613 VD_VERT_PHASE_STEP(16) | /* /2 */
614 VD_VERT_FMT_EN;
615 break;
616 case DRM_FORMAT_YUV420:
617 priv->viu.viu_vd1_fmt_ctrl =
618 VD_HORZ_Y_C_RATIO(1) | /* /2 */
619 VD_HORZ_FMT_EN |
620 VD_VERT_RPT_LINE0 |
621 VD_VERT_INITIAL_PHASE(12) |
622 VD_VERT_PHASE_STEP(8) | /* /4 */
623 VD_VERT_FMT_EN;
624 break;
625 case DRM_FORMAT_YUV411:
626 priv->viu.viu_vd1_fmt_ctrl =
627 VD_HORZ_Y_C_RATIO(2) | /* /4 */
628 VD_HORZ_FMT_EN |
629 VD_VERT_RPT_LINE0 |
630 VD_VERT_INITIAL_PHASE(12) |
631 VD_VERT_PHASE_STEP(16) | /* /2 */
632 VD_VERT_FMT_EN;
633 break;
634 case DRM_FORMAT_YUV410:
635 priv->viu.viu_vd1_fmt_ctrl =
636 VD_HORZ_Y_C_RATIO(2) | /* /4 */
637 VD_HORZ_FMT_EN |
638 VD_VERT_RPT_LINE0 |
639 VD_VERT_INITIAL_PHASE(12) |
640 VD_VERT_PHASE_STEP(8) | /* /4 */
641 VD_VERT_FMT_EN;
642 break;
643 }
644 break;
645 }
646
647 /* Update Canvas with buffer address */
648 priv->viu.vd1_planes = fb->format->num_planes;
649
650 switch (priv->viu.vd1_planes) {
651 case 3:
652 gem = drm_fb_cma_get_gem_obj(fb, 2);
653 priv->viu.vd1_addr2 = gem->paddr + fb->offsets[2];
654 priv->viu.vd1_stride2 = fb->pitches[2];
655 priv->viu.vd1_height2 =
656 drm_format_info_plane_height(fb->format,
657 fb->height, 2);
658 DRM_DEBUG("plane 2 addr 0x%x stride %d height %d\n",
659 priv->viu.vd1_addr2,
660 priv->viu.vd1_stride2,
661 priv->viu.vd1_height2);
662 fallthrough;
663 case 2:
664 gem = drm_fb_cma_get_gem_obj(fb, 1);
665 priv->viu.vd1_addr1 = gem->paddr + fb->offsets[1];
666 priv->viu.vd1_stride1 = fb->pitches[1];
667 priv->viu.vd1_height1 =
668 drm_format_info_plane_height(fb->format,
669 fb->height, 1);
670 DRM_DEBUG("plane 1 addr 0x%x stride %d height %d\n",
671 priv->viu.vd1_addr1,
672 priv->viu.vd1_stride1,
673 priv->viu.vd1_height1);
674 fallthrough;
675 case 1:
676 gem = drm_fb_cma_get_gem_obj(fb, 0);
677 priv->viu.vd1_addr0 = gem->paddr + fb->offsets[0];
678 priv->viu.vd1_stride0 = fb->pitches[0];
679 priv->viu.vd1_height0 =
680 drm_format_info_plane_height(fb->format,
681 fb->height, 0);
682 DRM_DEBUG("plane 0 addr 0x%x stride %d height %d\n",
683 priv->viu.vd1_addr0,
684 priv->viu.vd1_stride0,
685 priv->viu.vd1_height0);
686 }
687
688 if (priv->viu.vd1_afbc) {
689 if (priv->viu.vd1_afbc_mode & AFBC_SCATTER_MODE) {
690 /*
691 * In Scatter mode, the header contains the physical
692 * body content layout, thus the body content
693 * size isn't needed.
694 */
695 priv->viu.vd1_afbc_head_addr = priv->viu.vd1_addr0 >> 4;
696 priv->viu.vd1_afbc_body_addr = 0;
697 } else {
698 /* Default mode is 4k per superblock */
699 unsigned long block_size = 4096;
700 unsigned long body_size;
701
702 /* 8bit mem saving mode is 3072bytes per superblock */
703 if (priv->viu.vd1_afbc_mode & AFBC_BLK_MEM_MODE)
704 block_size = 3072;
705
706 body_size = (ALIGN(priv->viu.vd1_stride0, 64) / 64) *
707 (ALIGN(priv->viu.vd1_height0, 32) / 32) *
708 block_size;
709
710 priv->viu.vd1_afbc_body_addr = priv->viu.vd1_addr0 >> 4;
711 /* Header is after body content */
712 priv->viu.vd1_afbc_head_addr = (priv->viu.vd1_addr0 +
713 body_size) >> 4;
714 }
715 }
716
717 priv->viu.vd1_enabled = true;
718
719 spin_unlock_irqrestore(&priv->drm->event_lock, flags);
720
721 DRM_DEBUG_DRIVER("\n");
722 }
723
meson_overlay_atomic_disable(struct drm_plane * plane,struct drm_atomic_state * state)724 static void meson_overlay_atomic_disable(struct drm_plane *plane,
725 struct drm_atomic_state *state)
726 {
727 struct meson_overlay *meson_overlay = to_meson_overlay(plane);
728 struct meson_drm *priv = meson_overlay->priv;
729
730 DRM_DEBUG_DRIVER("\n");
731
732 priv->viu.vd1_enabled = false;
733
734 /* Disable VD1 */
735 if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
736 writel_relaxed(0, priv->io_base + _REG(VD1_BLEND_SRC_CTRL));
737 writel_relaxed(0, priv->io_base + _REG(VD2_BLEND_SRC_CTRL));
738 writel_relaxed(0, priv->io_base + _REG(VD1_IF0_GEN_REG + 0x17b0));
739 writel_relaxed(0, priv->io_base + _REG(VD2_IF0_GEN_REG + 0x17b0));
740 } else
741 writel_bits_relaxed(VPP_VD1_POSTBLEND | VPP_VD1_PREBLEND, 0,
742 priv->io_base + _REG(VPP_MISC));
743
744 }
745
746 static const struct drm_plane_helper_funcs meson_overlay_helper_funcs = {
747 .atomic_check = meson_overlay_atomic_check,
748 .atomic_disable = meson_overlay_atomic_disable,
749 .atomic_update = meson_overlay_atomic_update,
750 };
751
meson_overlay_format_mod_supported(struct drm_plane * plane,u32 format,u64 modifier)752 static bool meson_overlay_format_mod_supported(struct drm_plane *plane,
753 u32 format, u64 modifier)
754 {
755 if (modifier == DRM_FORMAT_MOD_LINEAR &&
756 format != DRM_FORMAT_YUV420_8BIT &&
757 format != DRM_FORMAT_YUV420_10BIT)
758 return true;
759
760 if ((modifier & DRM_FORMAT_MOD_AMLOGIC_FBC(0, 0)) ==
761 DRM_FORMAT_MOD_AMLOGIC_FBC(0, 0)) {
762 unsigned int layout = modifier &
763 DRM_FORMAT_MOD_AMLOGIC_FBC(
764 __fourcc_mod_amlogic_layout_mask, 0);
765 unsigned int options =
766 (modifier >> __fourcc_mod_amlogic_options_shift) &
767 __fourcc_mod_amlogic_options_mask;
768
769 if (format != DRM_FORMAT_YUV420_8BIT &&
770 format != DRM_FORMAT_YUV420_10BIT) {
771 DRM_DEBUG_KMS("%llx invalid format 0x%08x\n",
772 modifier, format);
773 return false;
774 }
775
776 if (layout != AMLOGIC_FBC_LAYOUT_BASIC &&
777 layout != AMLOGIC_FBC_LAYOUT_SCATTER) {
778 DRM_DEBUG_KMS("%llx invalid layout %x\n",
779 modifier, layout);
780 return false;
781 }
782
783 if (options &&
784 options != AMLOGIC_FBC_OPTION_MEM_SAVING) {
785 DRM_DEBUG_KMS("%llx invalid layout %x\n",
786 modifier, layout);
787 return false;
788 }
789
790 return true;
791 }
792
793 DRM_DEBUG_KMS("invalid modifier %llx for format 0x%08x\n",
794 modifier, format);
795
796 return false;
797 }
798
799 static const struct drm_plane_funcs meson_overlay_funcs = {
800 .update_plane = drm_atomic_helper_update_plane,
801 .disable_plane = drm_atomic_helper_disable_plane,
802 .destroy = drm_plane_cleanup,
803 .reset = drm_atomic_helper_plane_reset,
804 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
805 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
806 .format_mod_supported = meson_overlay_format_mod_supported,
807 };
808
809 static const uint32_t supported_drm_formats[] = {
810 DRM_FORMAT_YUYV,
811 DRM_FORMAT_NV12,
812 DRM_FORMAT_NV21,
813 DRM_FORMAT_YUV444,
814 DRM_FORMAT_YUV422,
815 DRM_FORMAT_YUV420,
816 DRM_FORMAT_YUV411,
817 DRM_FORMAT_YUV410,
818 DRM_FORMAT_YUV420_8BIT, /* Amlogic FBC Only */
819 DRM_FORMAT_YUV420_10BIT, /* Amlogic FBC Only */
820 };
821
822 static const uint64_t format_modifiers[] = {
823 DRM_FORMAT_MOD_AMLOGIC_FBC(AMLOGIC_FBC_LAYOUT_SCATTER,
824 AMLOGIC_FBC_OPTION_MEM_SAVING),
825 DRM_FORMAT_MOD_AMLOGIC_FBC(AMLOGIC_FBC_LAYOUT_BASIC,
826 AMLOGIC_FBC_OPTION_MEM_SAVING),
827 DRM_FORMAT_MOD_AMLOGIC_FBC(AMLOGIC_FBC_LAYOUT_SCATTER, 0),
828 DRM_FORMAT_MOD_AMLOGIC_FBC(AMLOGIC_FBC_LAYOUT_BASIC, 0),
829 DRM_FORMAT_MOD_LINEAR,
830 DRM_FORMAT_MOD_INVALID,
831 };
832
meson_overlay_create(struct meson_drm * priv)833 int meson_overlay_create(struct meson_drm *priv)
834 {
835 struct meson_overlay *meson_overlay;
836 struct drm_plane *plane;
837
838 DRM_DEBUG_DRIVER("\n");
839
840 meson_overlay = devm_kzalloc(priv->drm->dev, sizeof(*meson_overlay),
841 GFP_KERNEL);
842 if (!meson_overlay)
843 return -ENOMEM;
844
845 meson_overlay->priv = priv;
846 plane = &meson_overlay->base;
847
848 drm_universal_plane_init(priv->drm, plane, 0xFF,
849 &meson_overlay_funcs,
850 supported_drm_formats,
851 ARRAY_SIZE(supported_drm_formats),
852 format_modifiers,
853 DRM_PLANE_TYPE_OVERLAY, "meson_overlay_plane");
854
855 drm_plane_helper_add(plane, &meson_overlay_helper_funcs);
856
857 /* For now, VD Overlay plane is always on the back */
858 drm_plane_create_zpos_immutable_property(plane, 0);
859
860 priv->overlay_plane = plane;
861
862 DRM_DEBUG_DRIVER("\n");
863
864 return 0;
865 }
866