This source file includes following definitions.
- meson_plane_atomic_check
- fixed16_to_int
- meson_plane_atomic_update
- meson_plane_atomic_disable
- meson_plane_create
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12 #include <linux/bitfield.h>
13
14 #include <drm/drm_atomic.h>
15 #include <drm/drm_atomic_helper.h>
16 #include <drm/drm_device.h>
17 #include <drm/drm_fb_cma_helper.h>
18 #include <drm/drm_fourcc.h>
19 #include <drm/drm_gem_cma_helper.h>
20 #include <drm/drm_gem_framebuffer_helper.h>
21 #include <drm/drm_plane_helper.h>
22
23 #include "meson_plane.h"
24 #include "meson_registers.h"
25 #include "meson_viu.h"
26
27
28 #define SCI_WH_M1_W(w) FIELD_PREP(GENMASK(28, 16), w)
29 #define SCI_WH_M1_H(h) FIELD_PREP(GENMASK(12, 0), h)
30
31
32
33 #define SCO_HV_START(start) FIELD_PREP(GENMASK(27, 16), start)
34 #define SCO_HV_END(end) FIELD_PREP(GENMASK(11, 0), end)
35
36
37 #define SC_CTRL0_PATH_EN BIT(3)
38 #define SC_CTRL0_SEL_OSD1 BIT(2)
39
40
41 #define VSC_BANK_LEN(value) FIELD_PREP(GENMASK(2, 0), value)
42 #define VSC_TOP_INI_RCV_NUM(value) FIELD_PREP(GENMASK(6, 3), value)
43 #define VSC_TOP_RPT_L0_NUM(value) FIELD_PREP(GENMASK(9, 8), value)
44 #define VSC_BOT_INI_RCV_NUM(value) FIELD_PREP(GENMASK(14, 11), value)
45 #define VSC_BOT_RPT_L0_NUM(value) FIELD_PREP(GENMASK(17, 16), value)
46 #define VSC_PROG_INTERLACE BIT(23)
47 #define VSC_VERTICAL_SCALER_EN BIT(24)
48
49
50 #define VSC_INI_PHASE_BOT(bottom) FIELD_PREP(GENMASK(31, 16), bottom)
51 #define VSC_INI_PHASE_TOP(top) FIELD_PREP(GENMASK(15, 0), top)
52
53
54 #define HSC_BANK_LENGTH(value) FIELD_PREP(GENMASK(2, 0), value)
55 #define HSC_INI_RCV_NUM0(value) FIELD_PREP(GENMASK(6, 3), value)
56 #define HSC_RPT_P0_NUM0(value) FIELD_PREP(GENMASK(9, 8), value)
57 #define HSC_HORIZ_SCALER_EN BIT(22)
58
59
60
61 #define SC_PHASE_STEP(value) FIELD_PREP(GENMASK(27, 0), value)
62
63 struct meson_plane {
64 struct drm_plane base;
65 struct meson_drm *priv;
66 bool enabled;
67 };
68 #define to_meson_plane(x) container_of(x, struct meson_plane, base)
69
70 #define FRAC_16_16(mult, div) (((mult) << 16) / (div))
71
72 static int meson_plane_atomic_check(struct drm_plane *plane,
73 struct drm_plane_state *state)
74 {
75 struct drm_crtc_state *crtc_state;
76
77 if (!state->crtc)
78 return 0;
79
80 crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
81 if (IS_ERR(crtc_state))
82 return PTR_ERR(crtc_state);
83
84
85
86
87
88
89 return drm_atomic_helper_check_plane_state(state, crtc_state,
90 FRAC_16_16(1, 5),
91 DRM_PLANE_HELPER_NO_SCALING,
92 false, true);
93 }
94
95
96 static inline int64_t fixed16_to_int(int64_t value)
97 {
98 return value >> 16;
99 }
100
101 static void meson_plane_atomic_update(struct drm_plane *plane,
102 struct drm_plane_state *old_state)
103 {
104 struct meson_plane *meson_plane = to_meson_plane(plane);
105 struct drm_plane_state *state = plane->state;
106 struct drm_rect dest = drm_plane_state_dest(state);
107 struct meson_drm *priv = meson_plane->priv;
108 struct drm_framebuffer *fb = state->fb;
109 struct drm_gem_cma_object *gem;
110 unsigned long flags;
111 int vsc_ini_rcv_num, vsc_ini_rpt_p0_num;
112 int vsc_bot_rcv_num, vsc_bot_rpt_p0_num;
113 int hsc_ini_rcv_num, hsc_ini_rpt_p0_num;
114 int hf_phase_step, vf_phase_step;
115 int src_w, src_h, dst_w, dst_h;
116 int bot_ini_phase;
117 int hf_bank_len;
118 int vf_bank_len;
119 u8 canvas_id_osd1;
120
121
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125
126
127 spin_lock_irqsave(&priv->drm->event_lock, flags);
128
129
130 priv->viu.osd1_ctrl_stat = OSD_ENABLE |
131 (0xFF << OSD_GLOBAL_ALPHA_SHIFT) |
132 OSD_BLK0_ENABLE;
133
134 canvas_id_osd1 = priv->canvas_id_osd1;
135
136
137 priv->viu.osd1_blk0_cfg[0] = ((canvas_id_osd1 << OSD_CANVAS_SEL) |
138 OSD_ENDIANNESS_LE);
139
140
141 if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB))
142 priv->viu.osd1_blk0_cfg[0] |= OSD_OUTPUT_COLOR_RGB;
143
144 switch (fb->format->format) {
145 case DRM_FORMAT_XRGB8888:
146
147 writel_bits_relaxed(OSD_REPLACE_EN, OSD_REPLACE_EN,
148 priv->io_base + _REG(VIU_OSD1_CTRL_STAT2));
149 priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 |
150 OSD_COLOR_MATRIX_32_ARGB;
151 break;
152 case DRM_FORMAT_XBGR8888:
153
154 writel_bits_relaxed(OSD_REPLACE_EN, OSD_REPLACE_EN,
155 priv->io_base + _REG(VIU_OSD1_CTRL_STAT2));
156 priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 |
157 OSD_COLOR_MATRIX_32_ABGR;
158 break;
159 case DRM_FORMAT_ARGB8888:
160
161 writel_bits_relaxed(OSD_REPLACE_EN, 0,
162 priv->io_base + _REG(VIU_OSD1_CTRL_STAT2));
163 priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 |
164 OSD_COLOR_MATRIX_32_ARGB;
165 break;
166 case DRM_FORMAT_ABGR8888:
167
168 writel_bits_relaxed(OSD_REPLACE_EN, 0,
169 priv->io_base + _REG(VIU_OSD1_CTRL_STAT2));
170 priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 |
171 OSD_COLOR_MATRIX_32_ABGR;
172 break;
173 case DRM_FORMAT_RGB888:
174 priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_24 |
175 OSD_COLOR_MATRIX_24_RGB;
176 break;
177 case DRM_FORMAT_RGB565:
178 priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_16 |
179 OSD_COLOR_MATRIX_16_RGB565;
180 break;
181 };
182
183
184 vsc_bot_rcv_num = 0;
185 vsc_bot_rpt_p0_num = 0;
186 hf_bank_len = 4;
187 vf_bank_len = 4;
188
189 if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
190 vsc_bot_rcv_num = 6;
191 vsc_bot_rpt_p0_num = 2;
192 }
193
194 hsc_ini_rcv_num = hf_bank_len;
195 vsc_ini_rcv_num = vf_bank_len;
196 hsc_ini_rpt_p0_num = (hf_bank_len / 2) - 1;
197 vsc_ini_rpt_p0_num = (vf_bank_len / 2) - 1;
198
199 src_w = fixed16_to_int(state->src_w);
200 src_h = fixed16_to_int(state->src_h);
201 dst_w = state->crtc_w;
202 dst_h = state->crtc_h;
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210
211 if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
212 dest.y1 /= 2;
213 dest.y2 /= 2;
214 dst_h /= 2;
215 }
216
217 hf_phase_step = ((src_w << 18) / dst_w) << 6;
218 vf_phase_step = (src_h << 20) / dst_h;
219
220 if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
221 bot_ini_phase = ((vf_phase_step / 2) >> 4);
222 else
223 bot_ini_phase = 0;
224
225 vf_phase_step = (vf_phase_step << 4);
226
227
228 if (src_h != dst_h || src_w != dst_w) {
229 priv->viu.osd_sc_i_wh_m1 = SCI_WH_M1_W(src_w - 1) |
230 SCI_WH_M1_H(src_h - 1);
231 priv->viu.osd_sc_o_h_start_end = SCO_HV_START(dest.x1) |
232 SCO_HV_END(dest.x2 - 1);
233 priv->viu.osd_sc_o_v_start_end = SCO_HV_START(dest.y1) |
234 SCO_HV_END(dest.y2 - 1);
235
236 priv->viu.osd_sc_ctrl0 = SC_CTRL0_PATH_EN | SC_CTRL0_SEL_OSD1;
237 } else {
238 priv->viu.osd_sc_i_wh_m1 = 0;
239 priv->viu.osd_sc_o_h_start_end = 0;
240 priv->viu.osd_sc_o_v_start_end = 0;
241 priv->viu.osd_sc_ctrl0 = 0;
242 }
243
244
245 if (src_h != dst_h) {
246 priv->viu.osd_sc_v_ctrl0 =
247 VSC_BANK_LEN(vf_bank_len) |
248 VSC_TOP_INI_RCV_NUM(vsc_ini_rcv_num) |
249 VSC_TOP_RPT_L0_NUM(vsc_ini_rpt_p0_num) |
250 VSC_VERTICAL_SCALER_EN;
251
252 if (state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
253 priv->viu.osd_sc_v_ctrl0 |=
254 VSC_BOT_INI_RCV_NUM(vsc_bot_rcv_num) |
255 VSC_BOT_RPT_L0_NUM(vsc_bot_rpt_p0_num) |
256 VSC_PROG_INTERLACE;
257
258 priv->viu.osd_sc_v_phase_step = SC_PHASE_STEP(vf_phase_step);
259 priv->viu.osd_sc_v_ini_phase = VSC_INI_PHASE_BOT(bot_ini_phase);
260 } else {
261 priv->viu.osd_sc_v_ctrl0 = 0;
262 priv->viu.osd_sc_v_phase_step = 0;
263 priv->viu.osd_sc_v_ini_phase = 0;
264 }
265
266
267 if (src_w != dst_w) {
268 priv->viu.osd_sc_h_ctrl0 =
269 HSC_BANK_LENGTH(hf_bank_len) |
270 HSC_INI_RCV_NUM0(hsc_ini_rcv_num) |
271 HSC_RPT_P0_NUM0(hsc_ini_rpt_p0_num) |
272 HSC_HORIZ_SCALER_EN;
273 priv->viu.osd_sc_h_phase_step = SC_PHASE_STEP(hf_phase_step);
274 priv->viu.osd_sc_h_ini_phase = 0;
275 } else {
276 priv->viu.osd_sc_h_ctrl0 = 0;
277 priv->viu.osd_sc_h_phase_step = 0;
278 priv->viu.osd_sc_h_ini_phase = 0;
279 }
280
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285
286 priv->viu.osd1_blk0_cfg[1] =
287 ((fixed16_to_int(state->src.x2) - 1) << 16) |
288 fixed16_to_int(state->src.x1);
289 priv->viu.osd1_blk0_cfg[2] =
290 ((fixed16_to_int(state->src.y2) - 1) << 16) |
291 fixed16_to_int(state->src.y1);
292 priv->viu.osd1_blk0_cfg[3] = ((dest.x2 - 1) << 16) | dest.x1;
293 priv->viu.osd1_blk0_cfg[4] = ((dest.y2 - 1) << 16) | dest.y1;
294
295 if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
296 priv->viu.osd_blend_din0_scope_h = ((dest.x2 - 1) << 16) | dest.x1;
297 priv->viu.osd_blend_din0_scope_v = ((dest.y2 - 1) << 16) | dest.y1;
298 priv->viu.osb_blend0_size = dst_h << 16 | dst_w;
299 priv->viu.osb_blend1_size = dst_h << 16 | dst_w;
300 }
301
302
303 gem = drm_fb_cma_get_gem_obj(fb, 0);
304
305 priv->viu.osd1_addr = gem->paddr;
306 priv->viu.osd1_stride = fb->pitches[0];
307 priv->viu.osd1_height = fb->height;
308
309 if (!meson_plane->enabled) {
310
311 if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
312 meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL))
313 meson_viu_osd1_reset(priv);
314
315 meson_plane->enabled = true;
316 }
317
318 priv->viu.osd1_enabled = true;
319
320 spin_unlock_irqrestore(&priv->drm->event_lock, flags);
321 }
322
323 static void meson_plane_atomic_disable(struct drm_plane *plane,
324 struct drm_plane_state *old_state)
325 {
326 struct meson_plane *meson_plane = to_meson_plane(plane);
327 struct meson_drm *priv = meson_plane->priv;
328
329
330 if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
331 writel_bits_relaxed(VIU_OSD1_POSTBLD_SRC_OSD1, 0,
332 priv->io_base + _REG(OSD1_BLEND_SRC_CTRL));
333 else
334 writel_bits_relaxed(VPP_OSD1_POSTBLEND, 0,
335 priv->io_base + _REG(VPP_MISC));
336
337 meson_plane->enabled = false;
338 priv->viu.osd1_enabled = false;
339 }
340
341 static const struct drm_plane_helper_funcs meson_plane_helper_funcs = {
342 .atomic_check = meson_plane_atomic_check,
343 .atomic_disable = meson_plane_atomic_disable,
344 .atomic_update = meson_plane_atomic_update,
345 .prepare_fb = drm_gem_fb_prepare_fb,
346 };
347
348 static const struct drm_plane_funcs meson_plane_funcs = {
349 .update_plane = drm_atomic_helper_update_plane,
350 .disable_plane = drm_atomic_helper_disable_plane,
351 .destroy = drm_plane_cleanup,
352 .reset = drm_atomic_helper_plane_reset,
353 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
354 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
355 };
356
357 static const uint32_t supported_drm_formats[] = {
358 DRM_FORMAT_ARGB8888,
359 DRM_FORMAT_ABGR8888,
360 DRM_FORMAT_XRGB8888,
361 DRM_FORMAT_XBGR8888,
362 DRM_FORMAT_RGB888,
363 DRM_FORMAT_RGB565,
364 };
365
366 int meson_plane_create(struct meson_drm *priv)
367 {
368 struct meson_plane *meson_plane;
369 struct drm_plane *plane;
370
371 meson_plane = devm_kzalloc(priv->drm->dev, sizeof(*meson_plane),
372 GFP_KERNEL);
373 if (!meson_plane)
374 return -ENOMEM;
375
376 meson_plane->priv = priv;
377 plane = &meson_plane->base;
378
379 drm_universal_plane_init(priv->drm, plane, 0xFF,
380 &meson_plane_funcs,
381 supported_drm_formats,
382 ARRAY_SIZE(supported_drm_formats),
383 NULL,
384 DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane");
385
386 drm_plane_helper_add(plane, &meson_plane_helper_funcs);
387
388
389 drm_plane_create_zpos_immutable_property(plane, 1);
390
391 priv->primary_plane = plane;
392
393 return 0;
394 }