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02e792fb DV |
1 | /* |
2 | * Copyright © 2009 | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Daniel Vetter <daniel@ffwll.ch> | |
25 | * | |
26 | * Derived from Xorg ddx, xf86-video-intel, src/i830_video.c | |
27 | */ | |
760285e7 DH |
28 | #include <drm/drmP.h> |
29 | #include <drm/i915_drm.h> | |
02e792fb DV |
30 | #include "i915_drv.h" |
31 | #include "i915_reg.h" | |
32 | #include "intel_drv.h" | |
33 | ||
34 | /* Limits for overlay size. According to intel doc, the real limits are: | |
35 | * Y width: 4095, UV width (planar): 2047, Y height: 2047, | |
36 | * UV width (planar): * 1023. But the xorg thinks 2048 for height and width. Use | |
37 | * the mininum of both. */ | |
38 | #define IMAGE_MAX_WIDTH 2048 | |
39 | #define IMAGE_MAX_HEIGHT 2046 /* 2 * 1023 */ | |
40 | /* on 830 and 845 these large limits result in the card hanging */ | |
41 | #define IMAGE_MAX_WIDTH_LEGACY 1024 | |
42 | #define IMAGE_MAX_HEIGHT_LEGACY 1088 | |
43 | ||
44 | /* overlay register definitions */ | |
45 | /* OCMD register */ | |
46 | #define OCMD_TILED_SURFACE (0x1<<19) | |
47 | #define OCMD_MIRROR_MASK (0x3<<17) | |
48 | #define OCMD_MIRROR_MODE (0x3<<17) | |
49 | #define OCMD_MIRROR_HORIZONTAL (0x1<<17) | |
50 | #define OCMD_MIRROR_VERTICAL (0x2<<17) | |
51 | #define OCMD_MIRROR_BOTH (0x3<<17) | |
52 | #define OCMD_BYTEORDER_MASK (0x3<<14) /* zero for YUYV or FOURCC YUY2 */ | |
53 | #define OCMD_UV_SWAP (0x1<<14) /* YVYU */ | |
54 | #define OCMD_Y_SWAP (0x2<<14) /* UYVY or FOURCC UYVY */ | |
55 | #define OCMD_Y_AND_UV_SWAP (0x3<<14) /* VYUY */ | |
56 | #define OCMD_SOURCE_FORMAT_MASK (0xf<<10) | |
57 | #define OCMD_RGB_888 (0x1<<10) /* not in i965 Intel docs */ | |
58 | #define OCMD_RGB_555 (0x2<<10) /* not in i965 Intel docs */ | |
59 | #define OCMD_RGB_565 (0x3<<10) /* not in i965 Intel docs */ | |
60 | #define OCMD_YUV_422_PACKED (0x8<<10) | |
61 | #define OCMD_YUV_411_PACKED (0x9<<10) /* not in i965 Intel docs */ | |
62 | #define OCMD_YUV_420_PLANAR (0xc<<10) | |
63 | #define OCMD_YUV_422_PLANAR (0xd<<10) | |
64 | #define OCMD_YUV_410_PLANAR (0xe<<10) /* also 411 */ | |
65 | #define OCMD_TVSYNCFLIP_PARITY (0x1<<9) | |
66 | #define OCMD_TVSYNCFLIP_ENABLE (0x1<<7) | |
d7961364 | 67 | #define OCMD_BUF_TYPE_MASK (0x1<<5) |
02e792fb DV |
68 | #define OCMD_BUF_TYPE_FRAME (0x0<<5) |
69 | #define OCMD_BUF_TYPE_FIELD (0x1<<5) | |
70 | #define OCMD_TEST_MODE (0x1<<4) | |
71 | #define OCMD_BUFFER_SELECT (0x3<<2) | |
72 | #define OCMD_BUFFER0 (0x0<<2) | |
73 | #define OCMD_BUFFER1 (0x1<<2) | |
74 | #define OCMD_FIELD_SELECT (0x1<<2) | |
75 | #define OCMD_FIELD0 (0x0<<1) | |
76 | #define OCMD_FIELD1 (0x1<<1) | |
77 | #define OCMD_ENABLE (0x1<<0) | |
78 | ||
79 | /* OCONFIG register */ | |
80 | #define OCONF_PIPE_MASK (0x1<<18) | |
81 | #define OCONF_PIPE_A (0x0<<18) | |
82 | #define OCONF_PIPE_B (0x1<<18) | |
83 | #define OCONF_GAMMA2_ENABLE (0x1<<16) | |
84 | #define OCONF_CSC_MODE_BT601 (0x0<<5) | |
85 | #define OCONF_CSC_MODE_BT709 (0x1<<5) | |
86 | #define OCONF_CSC_BYPASS (0x1<<4) | |
87 | #define OCONF_CC_OUT_8BIT (0x1<<3) | |
88 | #define OCONF_TEST_MODE (0x1<<2) | |
89 | #define OCONF_THREE_LINE_BUFFER (0x1<<0) | |
90 | #define OCONF_TWO_LINE_BUFFER (0x0<<0) | |
91 | ||
92 | /* DCLRKM (dst-key) register */ | |
93 | #define DST_KEY_ENABLE (0x1<<31) | |
94 | #define CLK_RGB24_MASK 0x0 | |
95 | #define CLK_RGB16_MASK 0x070307 | |
96 | #define CLK_RGB15_MASK 0x070707 | |
97 | #define CLK_RGB8I_MASK 0xffffff | |
98 | ||
99 | #define RGB16_TO_COLORKEY(c) \ | |
100 | (((c & 0xF800) << 8) | ((c & 0x07E0) << 5) | ((c & 0x001F) << 3)) | |
101 | #define RGB15_TO_COLORKEY(c) \ | |
102 | (((c & 0x7c00) << 9) | ((c & 0x03E0) << 6) | ((c & 0x001F) << 3)) | |
103 | ||
104 | /* overlay flip addr flag */ | |
105 | #define OFC_UPDATE 0x1 | |
106 | ||
107 | /* polyphase filter coefficients */ | |
108 | #define N_HORIZ_Y_TAPS 5 | |
109 | #define N_VERT_Y_TAPS 3 | |
110 | #define N_HORIZ_UV_TAPS 3 | |
111 | #define N_VERT_UV_TAPS 3 | |
112 | #define N_PHASES 17 | |
113 | #define MAX_TAPS 5 | |
114 | ||
115 | /* memory bufferd overlay registers */ | |
116 | struct overlay_registers { | |
0206e353 AJ |
117 | u32 OBUF_0Y; |
118 | u32 OBUF_1Y; | |
119 | u32 OBUF_0U; | |
120 | u32 OBUF_0V; | |
121 | u32 OBUF_1U; | |
122 | u32 OBUF_1V; | |
123 | u32 OSTRIDE; | |
124 | u32 YRGB_VPH; | |
125 | u32 UV_VPH; | |
126 | u32 HORZ_PH; | |
127 | u32 INIT_PHS; | |
128 | u32 DWINPOS; | |
129 | u32 DWINSZ; | |
130 | u32 SWIDTH; | |
131 | u32 SWIDTHSW; | |
132 | u32 SHEIGHT; | |
133 | u32 YRGBSCALE; | |
134 | u32 UVSCALE; | |
135 | u32 OCLRC0; | |
136 | u32 OCLRC1; | |
137 | u32 DCLRKV; | |
138 | u32 DCLRKM; | |
139 | u32 SCLRKVH; | |
140 | u32 SCLRKVL; | |
141 | u32 SCLRKEN; | |
142 | u32 OCONFIG; | |
143 | u32 OCMD; | |
144 | u32 RESERVED1; /* 0x6C */ | |
145 | u32 OSTART_0Y; | |
146 | u32 OSTART_1Y; | |
147 | u32 OSTART_0U; | |
148 | u32 OSTART_0V; | |
149 | u32 OSTART_1U; | |
150 | u32 OSTART_1V; | |
151 | u32 OTILEOFF_0Y; | |
152 | u32 OTILEOFF_1Y; | |
153 | u32 OTILEOFF_0U; | |
154 | u32 OTILEOFF_0V; | |
155 | u32 OTILEOFF_1U; | |
156 | u32 OTILEOFF_1V; | |
157 | u32 FASTHSCALE; /* 0xA0 */ | |
158 | u32 UVSCALEV; /* 0xA4 */ | |
159 | u32 RESERVEDC[(0x200 - 0xA8) / 4]; /* 0xA8 - 0x1FC */ | |
160 | u16 Y_VCOEFS[N_VERT_Y_TAPS * N_PHASES]; /* 0x200 */ | |
161 | u16 RESERVEDD[0x100 / 2 - N_VERT_Y_TAPS * N_PHASES]; | |
162 | u16 Y_HCOEFS[N_HORIZ_Y_TAPS * N_PHASES]; /* 0x300 */ | |
163 | u16 RESERVEDE[0x200 / 2 - N_HORIZ_Y_TAPS * N_PHASES]; | |
164 | u16 UV_VCOEFS[N_VERT_UV_TAPS * N_PHASES]; /* 0x500 */ | |
165 | u16 RESERVEDF[0x100 / 2 - N_VERT_UV_TAPS * N_PHASES]; | |
166 | u16 UV_HCOEFS[N_HORIZ_UV_TAPS * N_PHASES]; /* 0x600 */ | |
167 | u16 RESERVEDG[0x100 / 2 - N_HORIZ_UV_TAPS * N_PHASES]; | |
02e792fb DV |
168 | }; |
169 | ||
23f09ce3 | 170 | struct intel_overlay { |
1ee8da6d | 171 | struct drm_i915_private *i915; |
23f09ce3 CW |
172 | struct intel_crtc *crtc; |
173 | struct drm_i915_gem_object *vid_bo; | |
174 | struct drm_i915_gem_object *old_vid_bo; | |
209c2a5e VS |
175 | bool active; |
176 | bool pfit_active; | |
23f09ce3 | 177 | u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */ |
ea9da4e4 CW |
178 | u32 color_key:24; |
179 | u32 color_key_enabled:1; | |
23f09ce3 CW |
180 | u32 brightness, contrast, saturation; |
181 | u32 old_xscale, old_yscale; | |
182 | /* register access */ | |
183 | u32 flip_addr; | |
184 | struct drm_i915_gem_object *reg_bo; | |
185 | /* flip handling */ | |
9bfc01a2 | 186 | struct drm_i915_gem_request *last_flip_req; |
b303cf95 | 187 | void (*flip_tail)(struct intel_overlay *); |
23f09ce3 | 188 | }; |
02e792fb | 189 | |
75020bc1 | 190 | static struct overlay_registers __iomem * |
8d74f656 | 191 | intel_overlay_map_regs(struct intel_overlay *overlay) |
02e792fb | 192 | { |
1ee8da6d | 193 | struct drm_i915_private *dev_priv = overlay->i915; |
75020bc1 | 194 | struct overlay_registers __iomem *regs; |
02e792fb | 195 | |
1ee8da6d | 196 | if (OVERLAY_NEEDS_PHYSICAL(dev_priv)) |
00731155 | 197 | regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_handle->vaddr; |
9bb2ff73 | 198 | else |
1ee8da6d | 199 | regs = io_mapping_map_wc(dev_priv->ggtt.mappable, |
d8dab00d CW |
200 | overlay->flip_addr, |
201 | PAGE_SIZE); | |
02e792fb | 202 | |
9bb2ff73 | 203 | return regs; |
8d74f656 | 204 | } |
02e792fb | 205 | |
9bb2ff73 | 206 | static void intel_overlay_unmap_regs(struct intel_overlay *overlay, |
75020bc1 | 207 | struct overlay_registers __iomem *regs) |
8d74f656 | 208 | { |
1ee8da6d | 209 | if (!OVERLAY_NEEDS_PHYSICAL(overlay->i915)) |
9bb2ff73 | 210 | io_mapping_unmap(regs); |
02e792fb DV |
211 | } |
212 | ||
b6c028e0 | 213 | static int intel_overlay_do_wait_request(struct intel_overlay *overlay, |
dad540ce | 214 | struct drm_i915_gem_request *req, |
b303cf95 | 215 | void (*tail)(struct intel_overlay *)) |
02e792fb | 216 | { |
b6c028e0 | 217 | int ret; |
02e792fb | 218 | |
77589f56 | 219 | WARN_ON(overlay->last_flip_req); |
dad540ce | 220 | i915_gem_request_assign(&overlay->last_flip_req, req); |
75289874 | 221 | i915_add_request(req); |
acb868d3 | 222 | |
b303cf95 | 223 | overlay->flip_tail = tail; |
a4b3a571 | 224 | ret = i915_wait_request(overlay->last_flip_req); |
b6c028e0 | 225 | if (ret) |
03f77ea5 | 226 | return ret; |
02e792fb | 227 | |
9bfc01a2 | 228 | i915_gem_request_assign(&overlay->last_flip_req, NULL); |
02e792fb | 229 | return 0; |
02e792fb DV |
230 | } |
231 | ||
02e792fb DV |
232 | /* overlay needs to be disable in OCMD reg */ |
233 | static int intel_overlay_on(struct intel_overlay *overlay) | |
234 | { | |
1ee8da6d | 235 | struct drm_i915_private *dev_priv = overlay->i915; |
4a570db5 | 236 | struct intel_engine_cs *engine = &dev_priv->engine[RCS]; |
dad540ce | 237 | struct drm_i915_gem_request *req; |
7e37f889 | 238 | struct intel_ring *ring; |
02e792fb | 239 | int ret; |
02e792fb | 240 | |
77589f56 | 241 | WARN_ON(overlay->active); |
1ee8da6d | 242 | WARN_ON(IS_I830(dev_priv) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE)); |
106dadac | 243 | |
e2f80391 | 244 | req = i915_gem_request_alloc(engine, NULL); |
26827088 DG |
245 | if (IS_ERR(req)) |
246 | return PTR_ERR(req); | |
e1f99ce6 | 247 | |
5fb9de1a | 248 | ret = intel_ring_begin(req, 4); |
dad540ce | 249 | if (ret) { |
aa9b7810 | 250 | i915_add_request_no_flush(req); |
dad540ce JH |
251 | return ret; |
252 | } | |
253 | ||
1c7c4301 VS |
254 | overlay->active = true; |
255 | ||
1dae2dfb | 256 | ring = req->ring; |
b5321f30 CW |
257 | intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON); |
258 | intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE); | |
259 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); | |
260 | intel_ring_emit(ring, MI_NOOP); | |
261 | intel_ring_advance(ring); | |
02e792fb | 262 | |
dad540ce | 263 | return intel_overlay_do_wait_request(overlay, req, NULL); |
02e792fb DV |
264 | } |
265 | ||
266 | /* overlay needs to be enabled in OCMD reg */ | |
8dc5d147 CW |
267 | static int intel_overlay_continue(struct intel_overlay *overlay, |
268 | bool load_polyphase_filter) | |
02e792fb | 269 | { |
1ee8da6d | 270 | struct drm_i915_private *dev_priv = overlay->i915; |
4a570db5 | 271 | struct intel_engine_cs *engine = &dev_priv->engine[RCS]; |
dad540ce | 272 | struct drm_i915_gem_request *req; |
7e37f889 | 273 | struct intel_ring *ring; |
02e792fb DV |
274 | u32 flip_addr = overlay->flip_addr; |
275 | u32 tmp; | |
e1f99ce6 | 276 | int ret; |
02e792fb | 277 | |
77589f56 | 278 | WARN_ON(!overlay->active); |
02e792fb DV |
279 | |
280 | if (load_polyphase_filter) | |
281 | flip_addr |= OFC_UPDATE; | |
282 | ||
283 | /* check for underruns */ | |
284 | tmp = I915_READ(DOVSTA); | |
285 | if (tmp & (1 << 17)) | |
286 | DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp); | |
287 | ||
e2f80391 | 288 | req = i915_gem_request_alloc(engine, NULL); |
26827088 DG |
289 | if (IS_ERR(req)) |
290 | return PTR_ERR(req); | |
acb868d3 | 291 | |
5fb9de1a | 292 | ret = intel_ring_begin(req, 2); |
dad540ce | 293 | if (ret) { |
aa9b7810 | 294 | i915_add_request_no_flush(req); |
dad540ce JH |
295 | return ret; |
296 | } | |
297 | ||
1dae2dfb | 298 | ring = req->ring; |
b5321f30 CW |
299 | intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE); |
300 | intel_ring_emit(ring, flip_addr); | |
301 | intel_ring_advance(ring); | |
5a5a0c64 | 302 | |
9bfc01a2 | 303 | WARN_ON(overlay->last_flip_req); |
dad540ce | 304 | i915_gem_request_assign(&overlay->last_flip_req, req); |
75289874 | 305 | i915_add_request(req); |
bf7dc5b7 JH |
306 | |
307 | return 0; | |
5a5a0c64 DV |
308 | } |
309 | ||
b303cf95 | 310 | static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay) |
5a5a0c64 | 311 | { |
05394f39 | 312 | struct drm_i915_gem_object *obj = overlay->old_vid_bo; |
5a5a0c64 | 313 | |
d7f46fc4 | 314 | i915_gem_object_ggtt_unpin(obj); |
f8c417cd | 315 | i915_gem_object_put(obj); |
5a5a0c64 | 316 | |
b303cf95 CW |
317 | overlay->old_vid_bo = NULL; |
318 | } | |
03f77ea5 | 319 | |
b303cf95 CW |
320 | static void intel_overlay_off_tail(struct intel_overlay *overlay) |
321 | { | |
05394f39 | 322 | struct drm_i915_gem_object *obj = overlay->vid_bo; |
02e792fb | 323 | |
b303cf95 | 324 | /* never have the overlay hw on without showing a frame */ |
77589f56 VS |
325 | if (WARN_ON(!obj)) |
326 | return; | |
02e792fb | 327 | |
d7f46fc4 | 328 | i915_gem_object_ggtt_unpin(obj); |
f8c417cd | 329 | i915_gem_object_put(obj); |
b303cf95 | 330 | overlay->vid_bo = NULL; |
03f77ea5 | 331 | |
b303cf95 CW |
332 | overlay->crtc->overlay = NULL; |
333 | overlay->crtc = NULL; | |
209c2a5e | 334 | overlay->active = false; |
02e792fb DV |
335 | } |
336 | ||
337 | /* overlay needs to be disabled in OCMD reg */ | |
ce453d81 | 338 | static int intel_overlay_off(struct intel_overlay *overlay) |
02e792fb | 339 | { |
1ee8da6d | 340 | struct drm_i915_private *dev_priv = overlay->i915; |
4a570db5 | 341 | struct intel_engine_cs *engine = &dev_priv->engine[RCS]; |
dad540ce | 342 | struct drm_i915_gem_request *req; |
7e37f889 | 343 | struct intel_ring *ring; |
8dc5d147 | 344 | u32 flip_addr = overlay->flip_addr; |
e1f99ce6 | 345 | int ret; |
02e792fb | 346 | |
77589f56 | 347 | WARN_ON(!overlay->active); |
02e792fb DV |
348 | |
349 | /* According to intel docs the overlay hw may hang (when switching | |
350 | * off) without loading the filter coeffs. It is however unclear whether | |
351 | * this applies to the disabling of the overlay or to the switching off | |
352 | * of the hw. Do it in both cases */ | |
353 | flip_addr |= OFC_UPDATE; | |
354 | ||
e2f80391 | 355 | req = i915_gem_request_alloc(engine, NULL); |
26827088 DG |
356 | if (IS_ERR(req)) |
357 | return PTR_ERR(req); | |
acb868d3 | 358 | |
5fb9de1a | 359 | ret = intel_ring_begin(req, 6); |
dad540ce | 360 | if (ret) { |
aa9b7810 | 361 | i915_add_request_no_flush(req); |
dad540ce JH |
362 | return ret; |
363 | } | |
364 | ||
1dae2dfb | 365 | ring = req->ring; |
02e792fb | 366 | /* wait for overlay to go idle */ |
b5321f30 CW |
367 | intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE); |
368 | intel_ring_emit(ring, flip_addr); | |
369 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); | |
02e792fb | 370 | /* turn overlay off */ |
1ee8da6d | 371 | if (IS_I830(dev_priv)) { |
a9193983 DV |
372 | /* Workaround: Don't disable the overlay fully, since otherwise |
373 | * it dies on the next OVERLAY_ON cmd. */ | |
b5321f30 CW |
374 | intel_ring_emit(ring, MI_NOOP); |
375 | intel_ring_emit(ring, MI_NOOP); | |
376 | intel_ring_emit(ring, MI_NOOP); | |
a9193983 | 377 | } else { |
b5321f30 CW |
378 | intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF); |
379 | intel_ring_emit(ring, flip_addr); | |
380 | intel_ring_emit(ring, | |
e2f80391 | 381 | MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); |
a9193983 | 382 | } |
b5321f30 | 383 | intel_ring_advance(ring); |
02e792fb | 384 | |
dad540ce | 385 | return intel_overlay_do_wait_request(overlay, req, intel_overlay_off_tail); |
12ca45fe DV |
386 | } |
387 | ||
03f77ea5 DV |
388 | /* recover from an interruption due to a signal |
389 | * We have to be careful not to repeat work forever an make forward progess. */ | |
ce453d81 | 390 | static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay) |
03f77ea5 | 391 | { |
03f77ea5 | 392 | int ret; |
03f77ea5 | 393 | |
9bfc01a2 | 394 | if (overlay->last_flip_req == NULL) |
b303cf95 | 395 | return 0; |
03f77ea5 | 396 | |
a4b3a571 | 397 | ret = i915_wait_request(overlay->last_flip_req); |
b6c028e0 | 398 | if (ret) |
03f77ea5 DV |
399 | return ret; |
400 | ||
b303cf95 CW |
401 | if (overlay->flip_tail) |
402 | overlay->flip_tail(overlay); | |
03f77ea5 | 403 | |
9bfc01a2 | 404 | i915_gem_request_assign(&overlay->last_flip_req, NULL); |
03f77ea5 DV |
405 | return 0; |
406 | } | |
407 | ||
5a5a0c64 DV |
408 | /* Wait for pending overlay flip and release old frame. |
409 | * Needs to be called before the overlay register are changed | |
8d74f656 CW |
410 | * via intel_overlay_(un)map_regs |
411 | */ | |
02e792fb DV |
412 | static int intel_overlay_release_old_vid(struct intel_overlay *overlay) |
413 | { | |
1ee8da6d | 414 | struct drm_i915_private *dev_priv = overlay->i915; |
4a570db5 | 415 | struct intel_engine_cs *engine = &dev_priv->engine[RCS]; |
02e792fb | 416 | int ret; |
02e792fb | 417 | |
91c8a326 | 418 | lockdep_assert_held(&dev_priv->drm.struct_mutex); |
1362b776 | 419 | |
5cd68c98 CW |
420 | /* Only wait if there is actually an old frame to release to |
421 | * guarantee forward progress. | |
422 | */ | |
03f77ea5 DV |
423 | if (!overlay->old_vid_bo) |
424 | return 0; | |
425 | ||
5cd68c98 CW |
426 | if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) { |
427 | /* synchronous slowpath */ | |
dad540ce | 428 | struct drm_i915_gem_request *req; |
7e37f889 | 429 | struct intel_ring *ring; |
dad540ce | 430 | |
e2f80391 | 431 | req = i915_gem_request_alloc(engine, NULL); |
26827088 DG |
432 | if (IS_ERR(req)) |
433 | return PTR_ERR(req); | |
e1f99ce6 | 434 | |
5fb9de1a | 435 | ret = intel_ring_begin(req, 2); |
dad540ce | 436 | if (ret) { |
aa9b7810 | 437 | i915_add_request_no_flush(req); |
dad540ce JH |
438 | return ret; |
439 | } | |
440 | ||
1dae2dfb | 441 | ring = req->ring; |
b5321f30 | 442 | intel_ring_emit(ring, |
e2f80391 | 443 | MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); |
b5321f30 CW |
444 | intel_ring_emit(ring, MI_NOOP); |
445 | intel_ring_advance(ring); | |
5cd68c98 | 446 | |
dad540ce | 447 | ret = intel_overlay_do_wait_request(overlay, req, |
b303cf95 | 448 | intel_overlay_release_old_vid_tail); |
5cd68c98 CW |
449 | if (ret) |
450 | return ret; | |
451 | } | |
02e792fb | 452 | |
5cd68c98 | 453 | intel_overlay_release_old_vid_tail(overlay); |
a071fa00 DV |
454 | |
455 | ||
456 | i915_gem_track_fb(overlay->old_vid_bo, NULL, | |
457 | INTEL_FRONTBUFFER_OVERLAY(overlay->crtc->pipe)); | |
02e792fb DV |
458 | return 0; |
459 | } | |
460 | ||
1362b776 VS |
461 | void intel_overlay_reset(struct drm_i915_private *dev_priv) |
462 | { | |
463 | struct intel_overlay *overlay = dev_priv->overlay; | |
464 | ||
465 | if (!overlay) | |
466 | return; | |
467 | ||
468 | intel_overlay_release_old_vid(overlay); | |
469 | ||
470 | overlay->last_flip_req = NULL; | |
471 | overlay->old_xscale = 0; | |
472 | overlay->old_yscale = 0; | |
473 | overlay->crtc = NULL; | |
474 | overlay->active = false; | |
475 | } | |
476 | ||
02e792fb DV |
477 | struct put_image_params { |
478 | int format; | |
479 | short dst_x; | |
480 | short dst_y; | |
481 | short dst_w; | |
482 | short dst_h; | |
483 | short src_w; | |
484 | short src_scan_h; | |
485 | short src_scan_w; | |
486 | short src_h; | |
487 | short stride_Y; | |
488 | short stride_UV; | |
489 | int offset_Y; | |
490 | int offset_U; | |
491 | int offset_V; | |
492 | }; | |
493 | ||
494 | static int packed_depth_bytes(u32 format) | |
495 | { | |
496 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
497 | case I915_OVERLAY_YUV422: |
498 | return 4; | |
499 | case I915_OVERLAY_YUV411: | |
500 | /* return 6; not implemented */ | |
501 | default: | |
502 | return -EINVAL; | |
02e792fb DV |
503 | } |
504 | } | |
505 | ||
506 | static int packed_width_bytes(u32 format, short width) | |
507 | { | |
508 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
509 | case I915_OVERLAY_YUV422: |
510 | return width << 1; | |
511 | default: | |
512 | return -EINVAL; | |
02e792fb DV |
513 | } |
514 | } | |
515 | ||
516 | static int uv_hsubsampling(u32 format) | |
517 | { | |
518 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
519 | case I915_OVERLAY_YUV422: |
520 | case I915_OVERLAY_YUV420: | |
521 | return 2; | |
522 | case I915_OVERLAY_YUV411: | |
523 | case I915_OVERLAY_YUV410: | |
524 | return 4; | |
525 | default: | |
526 | return -EINVAL; | |
02e792fb DV |
527 | } |
528 | } | |
529 | ||
530 | static int uv_vsubsampling(u32 format) | |
531 | { | |
532 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
533 | case I915_OVERLAY_YUV420: |
534 | case I915_OVERLAY_YUV410: | |
535 | return 2; | |
536 | case I915_OVERLAY_YUV422: | |
537 | case I915_OVERLAY_YUV411: | |
538 | return 1; | |
539 | default: | |
540 | return -EINVAL; | |
02e792fb DV |
541 | } |
542 | } | |
543 | ||
1ee8da6d | 544 | static u32 calc_swidthsw(struct drm_i915_private *dev_priv, u32 offset, u32 width) |
02e792fb DV |
545 | { |
546 | u32 mask, shift, ret; | |
1ee8da6d | 547 | if (IS_GEN2(dev_priv)) { |
02e792fb DV |
548 | mask = 0x1f; |
549 | shift = 5; | |
a6c45cf0 CW |
550 | } else { |
551 | mask = 0x3f; | |
552 | shift = 6; | |
02e792fb DV |
553 | } |
554 | ret = ((offset + width + mask) >> shift) - (offset >> shift); | |
1ee8da6d | 555 | if (!IS_GEN2(dev_priv)) |
02e792fb | 556 | ret <<= 1; |
0206e353 | 557 | ret -= 1; |
02e792fb DV |
558 | return ret << 2; |
559 | } | |
560 | ||
561 | static const u16 y_static_hcoeffs[N_HORIZ_Y_TAPS * N_PHASES] = { | |
562 | 0x3000, 0xb4a0, 0x1930, 0x1920, 0xb4a0, | |
563 | 0x3000, 0xb500, 0x19d0, 0x1880, 0xb440, | |
564 | 0x3000, 0xb540, 0x1a88, 0x2f80, 0xb3e0, | |
565 | 0x3000, 0xb580, 0x1b30, 0x2e20, 0xb380, | |
566 | 0x3000, 0xb5c0, 0x1bd8, 0x2cc0, 0xb320, | |
567 | 0x3020, 0xb5e0, 0x1c60, 0x2b80, 0xb2c0, | |
568 | 0x3020, 0xb5e0, 0x1cf8, 0x2a20, 0xb260, | |
569 | 0x3020, 0xb5e0, 0x1d80, 0x28e0, 0xb200, | |
570 | 0x3020, 0xb5c0, 0x1e08, 0x3f40, 0xb1c0, | |
571 | 0x3020, 0xb580, 0x1e78, 0x3ce0, 0xb160, | |
572 | 0x3040, 0xb520, 0x1ed8, 0x3aa0, 0xb120, | |
573 | 0x3040, 0xb4a0, 0x1f30, 0x3880, 0xb0e0, | |
574 | 0x3040, 0xb400, 0x1f78, 0x3680, 0xb0a0, | |
575 | 0x3020, 0xb340, 0x1fb8, 0x34a0, 0xb060, | |
576 | 0x3020, 0xb240, 0x1fe0, 0x32e0, 0xb040, | |
577 | 0x3020, 0xb140, 0x1ff8, 0x3160, 0xb020, | |
722506f0 CW |
578 | 0xb000, 0x3000, 0x0800, 0x3000, 0xb000 |
579 | }; | |
580 | ||
02e792fb DV |
581 | static const u16 uv_static_hcoeffs[N_HORIZ_UV_TAPS * N_PHASES] = { |
582 | 0x3000, 0x1800, 0x1800, 0xb000, 0x18d0, 0x2e60, | |
583 | 0xb000, 0x1990, 0x2ce0, 0xb020, 0x1a68, 0x2b40, | |
584 | 0xb040, 0x1b20, 0x29e0, 0xb060, 0x1bd8, 0x2880, | |
585 | 0xb080, 0x1c88, 0x3e60, 0xb0a0, 0x1d28, 0x3c00, | |
586 | 0xb0c0, 0x1db8, 0x39e0, 0xb0e0, 0x1e40, 0x37e0, | |
587 | 0xb100, 0x1eb8, 0x3620, 0xb100, 0x1f18, 0x34a0, | |
588 | 0xb100, 0x1f68, 0x3360, 0xb0e0, 0x1fa8, 0x3240, | |
589 | 0xb0c0, 0x1fe0, 0x3140, 0xb060, 0x1ff0, 0x30a0, | |
722506f0 CW |
590 | 0x3000, 0x0800, 0x3000 |
591 | }; | |
02e792fb | 592 | |
75020bc1 | 593 | static void update_polyphase_filter(struct overlay_registers __iomem *regs) |
02e792fb | 594 | { |
75020bc1 BW |
595 | memcpy_toio(regs->Y_HCOEFS, y_static_hcoeffs, sizeof(y_static_hcoeffs)); |
596 | memcpy_toio(regs->UV_HCOEFS, uv_static_hcoeffs, | |
597 | sizeof(uv_static_hcoeffs)); | |
02e792fb DV |
598 | } |
599 | ||
600 | static bool update_scaling_factors(struct intel_overlay *overlay, | |
75020bc1 | 601 | struct overlay_registers __iomem *regs, |
02e792fb DV |
602 | struct put_image_params *params) |
603 | { | |
604 | /* fixed point with a 12 bit shift */ | |
605 | u32 xscale, yscale, xscale_UV, yscale_UV; | |
606 | #define FP_SHIFT 12 | |
607 | #define FRACT_MASK 0xfff | |
608 | bool scale_changed = false; | |
609 | int uv_hscale = uv_hsubsampling(params->format); | |
610 | int uv_vscale = uv_vsubsampling(params->format); | |
611 | ||
612 | if (params->dst_w > 1) | |
613 | xscale = ((params->src_scan_w - 1) << FP_SHIFT) | |
614 | /(params->dst_w); | |
615 | else | |
616 | xscale = 1 << FP_SHIFT; | |
617 | ||
618 | if (params->dst_h > 1) | |
619 | yscale = ((params->src_scan_h - 1) << FP_SHIFT) | |
620 | /(params->dst_h); | |
621 | else | |
622 | yscale = 1 << FP_SHIFT; | |
623 | ||
624 | /*if (params->format & I915_OVERLAY_YUV_PLANAR) {*/ | |
722506f0 CW |
625 | xscale_UV = xscale/uv_hscale; |
626 | yscale_UV = yscale/uv_vscale; | |
627 | /* make the Y scale to UV scale ratio an exact multiply */ | |
628 | xscale = xscale_UV * uv_hscale; | |
629 | yscale = yscale_UV * uv_vscale; | |
02e792fb | 630 | /*} else { |
722506f0 CW |
631 | xscale_UV = 0; |
632 | yscale_UV = 0; | |
633 | }*/ | |
02e792fb DV |
634 | |
635 | if (xscale != overlay->old_xscale || yscale != overlay->old_yscale) | |
636 | scale_changed = true; | |
637 | overlay->old_xscale = xscale; | |
638 | overlay->old_yscale = yscale; | |
639 | ||
75020bc1 BW |
640 | iowrite32(((yscale & FRACT_MASK) << 20) | |
641 | ((xscale >> FP_SHIFT) << 16) | | |
642 | ((xscale & FRACT_MASK) << 3), | |
643 | ®s->YRGBSCALE); | |
722506f0 | 644 | |
75020bc1 BW |
645 | iowrite32(((yscale_UV & FRACT_MASK) << 20) | |
646 | ((xscale_UV >> FP_SHIFT) << 16) | | |
647 | ((xscale_UV & FRACT_MASK) << 3), | |
648 | ®s->UVSCALE); | |
722506f0 | 649 | |
75020bc1 BW |
650 | iowrite32((((yscale >> FP_SHIFT) << 16) | |
651 | ((yscale_UV >> FP_SHIFT) << 0)), | |
652 | ®s->UVSCALEV); | |
02e792fb DV |
653 | |
654 | if (scale_changed) | |
655 | update_polyphase_filter(regs); | |
656 | ||
657 | return scale_changed; | |
658 | } | |
659 | ||
660 | static void update_colorkey(struct intel_overlay *overlay, | |
75020bc1 | 661 | struct overlay_registers __iomem *regs) |
02e792fb DV |
662 | { |
663 | u32 key = overlay->color_key; | |
ea9da4e4 CW |
664 | u32 flags; |
665 | ||
666 | flags = 0; | |
667 | if (overlay->color_key_enabled) | |
668 | flags |= DST_KEY_ENABLE; | |
6ba3ddd9 | 669 | |
f4510a27 | 670 | switch (overlay->crtc->base.primary->fb->bits_per_pixel) { |
722506f0 | 671 | case 8: |
ea9da4e4 CW |
672 | key = 0; |
673 | flags |= CLK_RGB8I_MASK; | |
6ba3ddd9 CW |
674 | break; |
675 | ||
722506f0 | 676 | case 16: |
f4510a27 | 677 | if (overlay->crtc->base.primary->fb->depth == 15) { |
ea9da4e4 CW |
678 | key = RGB15_TO_COLORKEY(key); |
679 | flags |= CLK_RGB15_MASK; | |
722506f0 | 680 | } else { |
ea9da4e4 CW |
681 | key = RGB16_TO_COLORKEY(key); |
682 | flags |= CLK_RGB16_MASK; | |
722506f0 | 683 | } |
6ba3ddd9 CW |
684 | break; |
685 | ||
722506f0 CW |
686 | case 24: |
687 | case 32: | |
ea9da4e4 | 688 | flags |= CLK_RGB24_MASK; |
6ba3ddd9 | 689 | break; |
02e792fb | 690 | } |
ea9da4e4 CW |
691 | |
692 | iowrite32(key, ®s->DCLRKV); | |
693 | iowrite32(flags, ®s->DCLRKM); | |
02e792fb DV |
694 | } |
695 | ||
696 | static u32 overlay_cmd_reg(struct put_image_params *params) | |
697 | { | |
698 | u32 cmd = OCMD_ENABLE | OCMD_BUF_TYPE_FRAME | OCMD_BUFFER0; | |
699 | ||
700 | if (params->format & I915_OVERLAY_YUV_PLANAR) { | |
701 | switch (params->format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
702 | case I915_OVERLAY_YUV422: |
703 | cmd |= OCMD_YUV_422_PLANAR; | |
704 | break; | |
705 | case I915_OVERLAY_YUV420: | |
706 | cmd |= OCMD_YUV_420_PLANAR; | |
707 | break; | |
708 | case I915_OVERLAY_YUV411: | |
709 | case I915_OVERLAY_YUV410: | |
710 | cmd |= OCMD_YUV_410_PLANAR; | |
711 | break; | |
02e792fb DV |
712 | } |
713 | } else { /* YUV packed */ | |
714 | switch (params->format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
715 | case I915_OVERLAY_YUV422: |
716 | cmd |= OCMD_YUV_422_PACKED; | |
717 | break; | |
718 | case I915_OVERLAY_YUV411: | |
719 | cmd |= OCMD_YUV_411_PACKED; | |
720 | break; | |
02e792fb DV |
721 | } |
722 | ||
723 | switch (params->format & I915_OVERLAY_SWAP_MASK) { | |
722506f0 CW |
724 | case I915_OVERLAY_NO_SWAP: |
725 | break; | |
726 | case I915_OVERLAY_UV_SWAP: | |
727 | cmd |= OCMD_UV_SWAP; | |
728 | break; | |
729 | case I915_OVERLAY_Y_SWAP: | |
730 | cmd |= OCMD_Y_SWAP; | |
731 | break; | |
732 | case I915_OVERLAY_Y_AND_UV_SWAP: | |
733 | cmd |= OCMD_Y_AND_UV_SWAP; | |
734 | break; | |
02e792fb DV |
735 | } |
736 | } | |
737 | ||
738 | return cmd; | |
739 | } | |
740 | ||
5fe82c5e | 741 | static int intel_overlay_do_put_image(struct intel_overlay *overlay, |
05394f39 | 742 | struct drm_i915_gem_object *new_bo, |
5fe82c5e | 743 | struct put_image_params *params) |
02e792fb DV |
744 | { |
745 | int ret, tmp_width; | |
75020bc1 | 746 | struct overlay_registers __iomem *regs; |
02e792fb | 747 | bool scale_changed = false; |
1ee8da6d | 748 | struct drm_i915_private *dev_priv = overlay->i915; |
75020bc1 | 749 | u32 swidth, swidthsw, sheight, ostride; |
a071fa00 | 750 | enum pipe pipe = overlay->crtc->pipe; |
02e792fb | 751 | |
91c8a326 CW |
752 | lockdep_assert_held(&dev_priv->drm.struct_mutex); |
753 | WARN_ON(!drm_modeset_is_locked(&dev_priv->drm.mode_config.connection_mutex)); | |
02e792fb | 754 | |
02e792fb DV |
755 | ret = intel_overlay_release_old_vid(overlay); |
756 | if (ret != 0) | |
757 | return ret; | |
758 | ||
7580d774 | 759 | ret = i915_gem_object_pin_to_display_plane(new_bo, 0, |
e6617330 | 760 | &i915_ggtt_view_normal); |
02e792fb DV |
761 | if (ret != 0) |
762 | return ret; | |
763 | ||
d9e86c0e CW |
764 | ret = i915_gem_object_put_fence(new_bo); |
765 | if (ret) | |
766 | goto out_unpin; | |
767 | ||
02e792fb | 768 | if (!overlay->active) { |
75020bc1 | 769 | u32 oconfig; |
8d74f656 | 770 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
771 | if (!regs) { |
772 | ret = -ENOMEM; | |
773 | goto out_unpin; | |
774 | } | |
75020bc1 | 775 | oconfig = OCONF_CC_OUT_8BIT; |
1ee8da6d | 776 | if (IS_GEN4(dev_priv)) |
75020bc1 | 777 | oconfig |= OCONF_CSC_MODE_BT709; |
a071fa00 | 778 | oconfig |= pipe == 0 ? |
02e792fb | 779 | OCONF_PIPE_A : OCONF_PIPE_B; |
75020bc1 | 780 | iowrite32(oconfig, ®s->OCONFIG); |
9bb2ff73 | 781 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb DV |
782 | |
783 | ret = intel_overlay_on(overlay); | |
784 | if (ret != 0) | |
785 | goto out_unpin; | |
786 | } | |
787 | ||
8d74f656 | 788 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
789 | if (!regs) { |
790 | ret = -ENOMEM; | |
791 | goto out_unpin; | |
792 | } | |
793 | ||
75020bc1 BW |
794 | iowrite32((params->dst_y << 16) | params->dst_x, ®s->DWINPOS); |
795 | iowrite32((params->dst_h << 16) | params->dst_w, ®s->DWINSZ); | |
02e792fb DV |
796 | |
797 | if (params->format & I915_OVERLAY_YUV_PACKED) | |
798 | tmp_width = packed_width_bytes(params->format, params->src_w); | |
799 | else | |
800 | tmp_width = params->src_w; | |
801 | ||
75020bc1 | 802 | swidth = params->src_w; |
1ee8da6d | 803 | swidthsw = calc_swidthsw(dev_priv, params->offset_Y, tmp_width); |
75020bc1 | 804 | sheight = params->src_h; |
f343c5f6 | 805 | iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_Y, ®s->OBUF_0Y); |
75020bc1 | 806 | ostride = params->stride_Y; |
02e792fb DV |
807 | |
808 | if (params->format & I915_OVERLAY_YUV_PLANAR) { | |
809 | int uv_hscale = uv_hsubsampling(params->format); | |
810 | int uv_vscale = uv_vsubsampling(params->format); | |
811 | u32 tmp_U, tmp_V; | |
75020bc1 | 812 | swidth |= (params->src_w/uv_hscale) << 16; |
1ee8da6d | 813 | tmp_U = calc_swidthsw(dev_priv, params->offset_U, |
722506f0 | 814 | params->src_w/uv_hscale); |
1ee8da6d | 815 | tmp_V = calc_swidthsw(dev_priv, params->offset_V, |
722506f0 | 816 | params->src_w/uv_hscale); |
75020bc1 BW |
817 | swidthsw |= max_t(u32, tmp_U, tmp_V) << 16; |
818 | sheight |= (params->src_h/uv_vscale) << 16; | |
f343c5f6 BW |
819 | iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_U, ®s->OBUF_0U); |
820 | iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_V, ®s->OBUF_0V); | |
75020bc1 | 821 | ostride |= params->stride_UV << 16; |
02e792fb DV |
822 | } |
823 | ||
75020bc1 BW |
824 | iowrite32(swidth, ®s->SWIDTH); |
825 | iowrite32(swidthsw, ®s->SWIDTHSW); | |
826 | iowrite32(sheight, ®s->SHEIGHT); | |
827 | iowrite32(ostride, ®s->OSTRIDE); | |
828 | ||
02e792fb DV |
829 | scale_changed = update_scaling_factors(overlay, regs, params); |
830 | ||
831 | update_colorkey(overlay, regs); | |
832 | ||
75020bc1 | 833 | iowrite32(overlay_cmd_reg(params), ®s->OCMD); |
02e792fb | 834 | |
9bb2ff73 | 835 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb | 836 | |
8dc5d147 CW |
837 | ret = intel_overlay_continue(overlay, scale_changed); |
838 | if (ret) | |
839 | goto out_unpin; | |
02e792fb | 840 | |
a071fa00 DV |
841 | i915_gem_track_fb(overlay->vid_bo, new_bo, |
842 | INTEL_FRONTBUFFER_OVERLAY(pipe)); | |
843 | ||
02e792fb | 844 | overlay->old_vid_bo = overlay->vid_bo; |
05394f39 | 845 | overlay->vid_bo = new_bo; |
02e792fb | 846 | |
91c8a326 CW |
847 | intel_frontbuffer_flip(&dev_priv->drm, |
848 | INTEL_FRONTBUFFER_OVERLAY(pipe)); | |
f99d7069 | 849 | |
02e792fb DV |
850 | return 0; |
851 | ||
852 | out_unpin: | |
d7f46fc4 | 853 | i915_gem_object_ggtt_unpin(new_bo); |
02e792fb DV |
854 | return ret; |
855 | } | |
856 | ||
ce453d81 | 857 | int intel_overlay_switch_off(struct intel_overlay *overlay) |
02e792fb | 858 | { |
1ee8da6d | 859 | struct drm_i915_private *dev_priv = overlay->i915; |
75020bc1 | 860 | struct overlay_registers __iomem *regs; |
5dcdbcb0 | 861 | int ret; |
02e792fb | 862 | |
91c8a326 CW |
863 | lockdep_assert_held(&dev_priv->drm.struct_mutex); |
864 | WARN_ON(!drm_modeset_is_locked(&dev_priv->drm.mode_config.connection_mutex)); | |
02e792fb | 865 | |
ce453d81 | 866 | ret = intel_overlay_recover_from_interrupt(overlay); |
b303cf95 CW |
867 | if (ret != 0) |
868 | return ret; | |
9bedb974 | 869 | |
02e792fb DV |
870 | if (!overlay->active) |
871 | return 0; | |
872 | ||
02e792fb DV |
873 | ret = intel_overlay_release_old_vid(overlay); |
874 | if (ret != 0) | |
875 | return ret; | |
876 | ||
8d74f656 | 877 | regs = intel_overlay_map_regs(overlay); |
75020bc1 | 878 | iowrite32(0, ®s->OCMD); |
9bb2ff73 | 879 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb | 880 | |
ce453d81 | 881 | ret = intel_overlay_off(overlay); |
03f77ea5 DV |
882 | if (ret != 0) |
883 | return ret; | |
884 | ||
12ca45fe | 885 | intel_overlay_off_tail(overlay); |
02e792fb DV |
886 | return 0; |
887 | } | |
888 | ||
889 | static int check_overlay_possible_on_crtc(struct intel_overlay *overlay, | |
890 | struct intel_crtc *crtc) | |
891 | { | |
f7abfe8b | 892 | if (!crtc->active) |
02e792fb DV |
893 | return -EINVAL; |
894 | ||
02e792fb | 895 | /* can't use the overlay with double wide pipe */ |
6e3c9717 | 896 | if (crtc->config->double_wide) |
02e792fb DV |
897 | return -EINVAL; |
898 | ||
899 | return 0; | |
900 | } | |
901 | ||
902 | static void update_pfit_vscale_ratio(struct intel_overlay *overlay) | |
903 | { | |
1ee8da6d | 904 | struct drm_i915_private *dev_priv = overlay->i915; |
02e792fb | 905 | u32 pfit_control = I915_READ(PFIT_CONTROL); |
446d2183 | 906 | u32 ratio; |
02e792fb DV |
907 | |
908 | /* XXX: This is not the same logic as in the xorg driver, but more in | |
446d2183 CW |
909 | * line with the intel documentation for the i965 |
910 | */ | |
1ee8da6d | 911 | if (INTEL_GEN(dev_priv) >= 4) { |
0206e353 | 912 | /* on i965 use the PGM reg to read out the autoscaler values */ |
a6c45cf0 CW |
913 | ratio = I915_READ(PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965; |
914 | } else { | |
446d2183 CW |
915 | if (pfit_control & VERT_AUTO_SCALE) |
916 | ratio = I915_READ(PFIT_AUTO_RATIOS); | |
02e792fb | 917 | else |
446d2183 CW |
918 | ratio = I915_READ(PFIT_PGM_RATIOS); |
919 | ratio >>= PFIT_VERT_SCALE_SHIFT; | |
02e792fb DV |
920 | } |
921 | ||
922 | overlay->pfit_vscale_ratio = ratio; | |
923 | } | |
924 | ||
925 | static int check_overlay_dst(struct intel_overlay *overlay, | |
926 | struct drm_intel_overlay_put_image *rec) | |
927 | { | |
928 | struct drm_display_mode *mode = &overlay->crtc->base.mode; | |
929 | ||
75c13993 DV |
930 | if (rec->dst_x < mode->hdisplay && |
931 | rec->dst_x + rec->dst_width <= mode->hdisplay && | |
932 | rec->dst_y < mode->vdisplay && | |
933 | rec->dst_y + rec->dst_height <= mode->vdisplay) | |
02e792fb DV |
934 | return 0; |
935 | else | |
936 | return -EINVAL; | |
937 | } | |
938 | ||
939 | static int check_overlay_scaling(struct put_image_params *rec) | |
940 | { | |
941 | u32 tmp; | |
942 | ||
943 | /* downscaling limit is 8.0 */ | |
944 | tmp = ((rec->src_scan_h << 16) / rec->dst_h) >> 16; | |
945 | if (tmp > 7) | |
946 | return -EINVAL; | |
947 | tmp = ((rec->src_scan_w << 16) / rec->dst_w) >> 16; | |
948 | if (tmp > 7) | |
949 | return -EINVAL; | |
950 | ||
951 | return 0; | |
952 | } | |
953 | ||
1ee8da6d | 954 | static int check_overlay_src(struct drm_i915_private *dev_priv, |
02e792fb | 955 | struct drm_intel_overlay_put_image *rec, |
05394f39 | 956 | struct drm_i915_gem_object *new_bo) |
02e792fb | 957 | { |
02e792fb DV |
958 | int uv_hscale = uv_hsubsampling(rec->flags); |
959 | int uv_vscale = uv_vsubsampling(rec->flags); | |
8f28f54a DC |
960 | u32 stride_mask; |
961 | int depth; | |
962 | u32 tmp; | |
02e792fb DV |
963 | |
964 | /* check src dimensions */ | |
1ee8da6d | 965 | if (IS_845G(dev_priv) || IS_I830(dev_priv)) { |
722506f0 | 966 | if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY || |
9f7c3f44 | 967 | rec->src_width > IMAGE_MAX_WIDTH_LEGACY) |
02e792fb DV |
968 | return -EINVAL; |
969 | } else { | |
722506f0 | 970 | if (rec->src_height > IMAGE_MAX_HEIGHT || |
9f7c3f44 | 971 | rec->src_width > IMAGE_MAX_WIDTH) |
02e792fb DV |
972 | return -EINVAL; |
973 | } | |
9f7c3f44 | 974 | |
02e792fb | 975 | /* better safe than sorry, use 4 as the maximal subsampling ratio */ |
722506f0 | 976 | if (rec->src_height < N_VERT_Y_TAPS*4 || |
9f7c3f44 | 977 | rec->src_width < N_HORIZ_Y_TAPS*4) |
02e792fb DV |
978 | return -EINVAL; |
979 | ||
a1efd14a | 980 | /* check alignment constraints */ |
02e792fb | 981 | switch (rec->flags & I915_OVERLAY_TYPE_MASK) { |
722506f0 CW |
982 | case I915_OVERLAY_RGB: |
983 | /* not implemented */ | |
984 | return -EINVAL; | |
9f7c3f44 | 985 | |
722506f0 | 986 | case I915_OVERLAY_YUV_PACKED: |
722506f0 | 987 | if (uv_vscale != 1) |
02e792fb | 988 | return -EINVAL; |
9f7c3f44 CW |
989 | |
990 | depth = packed_depth_bytes(rec->flags); | |
722506f0 CW |
991 | if (depth < 0) |
992 | return depth; | |
9f7c3f44 | 993 | |
722506f0 CW |
994 | /* ignore UV planes */ |
995 | rec->stride_UV = 0; | |
996 | rec->offset_U = 0; | |
997 | rec->offset_V = 0; | |
998 | /* check pixel alignment */ | |
999 | if (rec->offset_Y % depth) | |
1000 | return -EINVAL; | |
1001 | break; | |
9f7c3f44 | 1002 | |
722506f0 CW |
1003 | case I915_OVERLAY_YUV_PLANAR: |
1004 | if (uv_vscale < 0 || uv_hscale < 0) | |
02e792fb | 1005 | return -EINVAL; |
722506f0 CW |
1006 | /* no offset restrictions for planar formats */ |
1007 | break; | |
9f7c3f44 | 1008 | |
722506f0 CW |
1009 | default: |
1010 | return -EINVAL; | |
02e792fb DV |
1011 | } |
1012 | ||
1013 | if (rec->src_width % uv_hscale) | |
1014 | return -EINVAL; | |
1015 | ||
1016 | /* stride checking */ | |
1ee8da6d | 1017 | if (IS_I830(dev_priv) || IS_845G(dev_priv)) |
a1efd14a CW |
1018 | stride_mask = 255; |
1019 | else | |
1020 | stride_mask = 63; | |
02e792fb DV |
1021 | |
1022 | if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask) | |
1023 | return -EINVAL; | |
1ee8da6d | 1024 | if (IS_GEN4(dev_priv) && rec->stride_Y < 512) |
02e792fb DV |
1025 | return -EINVAL; |
1026 | ||
1027 | tmp = (rec->flags & I915_OVERLAY_TYPE_MASK) == I915_OVERLAY_YUV_PLANAR ? | |
9f7c3f44 CW |
1028 | 4096 : 8192; |
1029 | if (rec->stride_Y > tmp || rec->stride_UV > 2*1024) | |
02e792fb DV |
1030 | return -EINVAL; |
1031 | ||
1032 | /* check buffer dimensions */ | |
1033 | switch (rec->flags & I915_OVERLAY_TYPE_MASK) { | |
722506f0 CW |
1034 | case I915_OVERLAY_RGB: |
1035 | case I915_OVERLAY_YUV_PACKED: | |
1036 | /* always 4 Y values per depth pixels */ | |
1037 | if (packed_width_bytes(rec->flags, rec->src_width) > rec->stride_Y) | |
1038 | return -EINVAL; | |
1039 | ||
1040 | tmp = rec->stride_Y*rec->src_height; | |
05394f39 | 1041 | if (rec->offset_Y + tmp > new_bo->base.size) |
722506f0 CW |
1042 | return -EINVAL; |
1043 | break; | |
1044 | ||
1045 | case I915_OVERLAY_YUV_PLANAR: | |
1046 | if (rec->src_width > rec->stride_Y) | |
1047 | return -EINVAL; | |
1048 | if (rec->src_width/uv_hscale > rec->stride_UV) | |
1049 | return -EINVAL; | |
1050 | ||
9f7c3f44 | 1051 | tmp = rec->stride_Y * rec->src_height; |
05394f39 | 1052 | if (rec->offset_Y + tmp > new_bo->base.size) |
722506f0 | 1053 | return -EINVAL; |
9f7c3f44 CW |
1054 | |
1055 | tmp = rec->stride_UV * (rec->src_height / uv_vscale); | |
05394f39 CW |
1056 | if (rec->offset_U + tmp > new_bo->base.size || |
1057 | rec->offset_V + tmp > new_bo->base.size) | |
722506f0 CW |
1058 | return -EINVAL; |
1059 | break; | |
02e792fb DV |
1060 | } |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
e9e331a8 CW |
1065 | /** |
1066 | * Return the pipe currently connected to the panel fitter, | |
1067 | * or -1 if the panel fitter is not present or not in use | |
1068 | */ | |
1ee8da6d | 1069 | static int intel_panel_fitter_pipe(struct drm_i915_private *dev_priv) |
e9e331a8 | 1070 | { |
e9e331a8 CW |
1071 | u32 pfit_control; |
1072 | ||
1073 | /* i830 doesn't have a panel fitter */ | |
1ee8da6d CW |
1074 | if (INTEL_GEN(dev_priv) <= 3 && |
1075 | (IS_I830(dev_priv) || !IS_MOBILE(dev_priv))) | |
e9e331a8 CW |
1076 | return -1; |
1077 | ||
1078 | pfit_control = I915_READ(PFIT_CONTROL); | |
1079 | ||
1080 | /* See if the panel fitter is in use */ | |
1081 | if ((pfit_control & PFIT_ENABLE) == 0) | |
1082 | return -1; | |
1083 | ||
1084 | /* 965 can place panel fitter on either pipe */ | |
1ee8da6d | 1085 | if (IS_GEN4(dev_priv)) |
e9e331a8 CW |
1086 | return (pfit_control >> 29) & 0x3; |
1087 | ||
1088 | /* older chips can only use pipe 1 */ | |
1089 | return 1; | |
1090 | } | |
1091 | ||
1ee8da6d CW |
1092 | int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data, |
1093 | struct drm_file *file_priv) | |
02e792fb DV |
1094 | { |
1095 | struct drm_intel_overlay_put_image *put_image_rec = data; | |
fac5e23e | 1096 | struct drm_i915_private *dev_priv = to_i915(dev); |
02e792fb | 1097 | struct intel_overlay *overlay; |
7707e653 | 1098 | struct drm_crtc *drmmode_crtc; |
02e792fb | 1099 | struct intel_crtc *crtc; |
05394f39 | 1100 | struct drm_i915_gem_object *new_bo; |
02e792fb DV |
1101 | struct put_image_params *params; |
1102 | int ret; | |
1103 | ||
02e792fb DV |
1104 | overlay = dev_priv->overlay; |
1105 | if (!overlay) { | |
1106 | DRM_DEBUG("userspace bug: no overlay\n"); | |
1107 | return -ENODEV; | |
1108 | } | |
1109 | ||
1110 | if (!(put_image_rec->flags & I915_OVERLAY_ENABLE)) { | |
a0e99e68 | 1111 | drm_modeset_lock_all(dev); |
02e792fb DV |
1112 | mutex_lock(&dev->struct_mutex); |
1113 | ||
ce453d81 | 1114 | ret = intel_overlay_switch_off(overlay); |
02e792fb DV |
1115 | |
1116 | mutex_unlock(&dev->struct_mutex); | |
a0e99e68 | 1117 | drm_modeset_unlock_all(dev); |
02e792fb DV |
1118 | |
1119 | return ret; | |
1120 | } | |
1121 | ||
b14c5679 | 1122 | params = kmalloc(sizeof(*params), GFP_KERNEL); |
02e792fb DV |
1123 | if (!params) |
1124 | return -ENOMEM; | |
1125 | ||
7707e653 RC |
1126 | drmmode_crtc = drm_crtc_find(dev, put_image_rec->crtc_id); |
1127 | if (!drmmode_crtc) { | |
915a428e DC |
1128 | ret = -ENOENT; |
1129 | goto out_free; | |
1130 | } | |
7707e653 | 1131 | crtc = to_intel_crtc(drmmode_crtc); |
02e792fb | 1132 | |
03ac0642 CW |
1133 | new_bo = i915_gem_object_lookup(file_priv, put_image_rec->bo_handle); |
1134 | if (!new_bo) { | |
915a428e DC |
1135 | ret = -ENOENT; |
1136 | goto out_free; | |
1137 | } | |
02e792fb | 1138 | |
a0e99e68 | 1139 | drm_modeset_lock_all(dev); |
02e792fb DV |
1140 | mutex_lock(&dev->struct_mutex); |
1141 | ||
d9e86c0e | 1142 | if (new_bo->tiling_mode) { |
3b25b31f | 1143 | DRM_DEBUG_KMS("buffer used for overlay image can not be tiled\n"); |
d9e86c0e CW |
1144 | ret = -EINVAL; |
1145 | goto out_unlock; | |
1146 | } | |
1147 | ||
ce453d81 | 1148 | ret = intel_overlay_recover_from_interrupt(overlay); |
b303cf95 CW |
1149 | if (ret != 0) |
1150 | goto out_unlock; | |
03f77ea5 | 1151 | |
02e792fb DV |
1152 | if (overlay->crtc != crtc) { |
1153 | struct drm_display_mode *mode = &crtc->base.mode; | |
ce453d81 | 1154 | ret = intel_overlay_switch_off(overlay); |
02e792fb DV |
1155 | if (ret != 0) |
1156 | goto out_unlock; | |
1157 | ||
1158 | ret = check_overlay_possible_on_crtc(overlay, crtc); | |
1159 | if (ret != 0) | |
1160 | goto out_unlock; | |
1161 | ||
1162 | overlay->crtc = crtc; | |
1163 | crtc->overlay = overlay; | |
1164 | ||
e9e331a8 CW |
1165 | /* line too wide, i.e. one-line-mode */ |
1166 | if (mode->hdisplay > 1024 && | |
1ee8da6d | 1167 | intel_panel_fitter_pipe(dev_priv) == crtc->pipe) { |
209c2a5e | 1168 | overlay->pfit_active = true; |
02e792fb DV |
1169 | update_pfit_vscale_ratio(overlay); |
1170 | } else | |
209c2a5e | 1171 | overlay->pfit_active = false; |
02e792fb DV |
1172 | } |
1173 | ||
1174 | ret = check_overlay_dst(overlay, put_image_rec); | |
1175 | if (ret != 0) | |
1176 | goto out_unlock; | |
1177 | ||
1178 | if (overlay->pfit_active) { | |
1179 | params->dst_y = ((((u32)put_image_rec->dst_y) << 12) / | |
722506f0 | 1180 | overlay->pfit_vscale_ratio); |
02e792fb DV |
1181 | /* shifting right rounds downwards, so add 1 */ |
1182 | params->dst_h = ((((u32)put_image_rec->dst_height) << 12) / | |
722506f0 | 1183 | overlay->pfit_vscale_ratio) + 1; |
02e792fb DV |
1184 | } else { |
1185 | params->dst_y = put_image_rec->dst_y; | |
1186 | params->dst_h = put_image_rec->dst_height; | |
1187 | } | |
1188 | params->dst_x = put_image_rec->dst_x; | |
1189 | params->dst_w = put_image_rec->dst_width; | |
1190 | ||
1191 | params->src_w = put_image_rec->src_width; | |
1192 | params->src_h = put_image_rec->src_height; | |
1193 | params->src_scan_w = put_image_rec->src_scan_width; | |
1194 | params->src_scan_h = put_image_rec->src_scan_height; | |
722506f0 CW |
1195 | if (params->src_scan_h > params->src_h || |
1196 | params->src_scan_w > params->src_w) { | |
02e792fb DV |
1197 | ret = -EINVAL; |
1198 | goto out_unlock; | |
1199 | } | |
1200 | ||
1ee8da6d | 1201 | ret = check_overlay_src(dev_priv, put_image_rec, new_bo); |
02e792fb DV |
1202 | if (ret != 0) |
1203 | goto out_unlock; | |
1204 | params->format = put_image_rec->flags & ~I915_OVERLAY_FLAGS_MASK; | |
1205 | params->stride_Y = put_image_rec->stride_Y; | |
1206 | params->stride_UV = put_image_rec->stride_UV; | |
1207 | params->offset_Y = put_image_rec->offset_Y; | |
1208 | params->offset_U = put_image_rec->offset_U; | |
1209 | params->offset_V = put_image_rec->offset_V; | |
1210 | ||
1211 | /* Check scaling after src size to prevent a divide-by-zero. */ | |
1212 | ret = check_overlay_scaling(params); | |
1213 | if (ret != 0) | |
1214 | goto out_unlock; | |
1215 | ||
1216 | ret = intel_overlay_do_put_image(overlay, new_bo, params); | |
1217 | if (ret != 0) | |
1218 | goto out_unlock; | |
1219 | ||
1220 | mutex_unlock(&dev->struct_mutex); | |
a0e99e68 | 1221 | drm_modeset_unlock_all(dev); |
02e792fb DV |
1222 | |
1223 | kfree(params); | |
1224 | ||
1225 | return 0; | |
1226 | ||
1227 | out_unlock: | |
1228 | mutex_unlock(&dev->struct_mutex); | |
a0e99e68 | 1229 | drm_modeset_unlock_all(dev); |
13f17b22 | 1230 | i915_gem_object_put_unlocked(new_bo); |
915a428e | 1231 | out_free: |
02e792fb DV |
1232 | kfree(params); |
1233 | ||
1234 | return ret; | |
1235 | } | |
1236 | ||
1237 | static void update_reg_attrs(struct intel_overlay *overlay, | |
75020bc1 | 1238 | struct overlay_registers __iomem *regs) |
02e792fb | 1239 | { |
75020bc1 BW |
1240 | iowrite32((overlay->contrast << 18) | (overlay->brightness & 0xff), |
1241 | ®s->OCLRC0); | |
1242 | iowrite32(overlay->saturation, ®s->OCLRC1); | |
02e792fb DV |
1243 | } |
1244 | ||
1245 | static bool check_gamma_bounds(u32 gamma1, u32 gamma2) | |
1246 | { | |
1247 | int i; | |
1248 | ||
1249 | if (gamma1 & 0xff000000 || gamma2 & 0xff000000) | |
1250 | return false; | |
1251 | ||
1252 | for (i = 0; i < 3; i++) { | |
722506f0 | 1253 | if (((gamma1 >> i*8) & 0xff) >= ((gamma2 >> i*8) & 0xff)) |
02e792fb DV |
1254 | return false; |
1255 | } | |
1256 | ||
1257 | return true; | |
1258 | } | |
1259 | ||
1260 | static bool check_gamma5_errata(u32 gamma5) | |
1261 | { | |
1262 | int i; | |
1263 | ||
1264 | for (i = 0; i < 3; i++) { | |
1265 | if (((gamma5 >> i*8) & 0xff) == 0x80) | |
1266 | return false; | |
1267 | } | |
1268 | ||
1269 | return true; | |
1270 | } | |
1271 | ||
1272 | static int check_gamma(struct drm_intel_overlay_attrs *attrs) | |
1273 | { | |
722506f0 CW |
1274 | if (!check_gamma_bounds(0, attrs->gamma0) || |
1275 | !check_gamma_bounds(attrs->gamma0, attrs->gamma1) || | |
1276 | !check_gamma_bounds(attrs->gamma1, attrs->gamma2) || | |
1277 | !check_gamma_bounds(attrs->gamma2, attrs->gamma3) || | |
1278 | !check_gamma_bounds(attrs->gamma3, attrs->gamma4) || | |
1279 | !check_gamma_bounds(attrs->gamma4, attrs->gamma5) || | |
1280 | !check_gamma_bounds(attrs->gamma5, 0x00ffffff)) | |
02e792fb | 1281 | return -EINVAL; |
722506f0 | 1282 | |
02e792fb DV |
1283 | if (!check_gamma5_errata(attrs->gamma5)) |
1284 | return -EINVAL; | |
722506f0 | 1285 | |
02e792fb DV |
1286 | return 0; |
1287 | } | |
1288 | ||
1ee8da6d CW |
1289 | int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data, |
1290 | struct drm_file *file_priv) | |
02e792fb DV |
1291 | { |
1292 | struct drm_intel_overlay_attrs *attrs = data; | |
fac5e23e | 1293 | struct drm_i915_private *dev_priv = to_i915(dev); |
02e792fb | 1294 | struct intel_overlay *overlay; |
75020bc1 | 1295 | struct overlay_registers __iomem *regs; |
02e792fb DV |
1296 | int ret; |
1297 | ||
02e792fb DV |
1298 | overlay = dev_priv->overlay; |
1299 | if (!overlay) { | |
1300 | DRM_DEBUG("userspace bug: no overlay\n"); | |
1301 | return -ENODEV; | |
1302 | } | |
1303 | ||
a0e99e68 | 1304 | drm_modeset_lock_all(dev); |
02e792fb DV |
1305 | mutex_lock(&dev->struct_mutex); |
1306 | ||
60fc332c | 1307 | ret = -EINVAL; |
02e792fb | 1308 | if (!(attrs->flags & I915_OVERLAY_UPDATE_ATTRS)) { |
60fc332c | 1309 | attrs->color_key = overlay->color_key; |
02e792fb | 1310 | attrs->brightness = overlay->brightness; |
60fc332c | 1311 | attrs->contrast = overlay->contrast; |
02e792fb DV |
1312 | attrs->saturation = overlay->saturation; |
1313 | ||
1ee8da6d | 1314 | if (!IS_GEN2(dev_priv)) { |
02e792fb DV |
1315 | attrs->gamma0 = I915_READ(OGAMC0); |
1316 | attrs->gamma1 = I915_READ(OGAMC1); | |
1317 | attrs->gamma2 = I915_READ(OGAMC2); | |
1318 | attrs->gamma3 = I915_READ(OGAMC3); | |
1319 | attrs->gamma4 = I915_READ(OGAMC4); | |
1320 | attrs->gamma5 = I915_READ(OGAMC5); | |
1321 | } | |
02e792fb | 1322 | } else { |
60fc332c | 1323 | if (attrs->brightness < -128 || attrs->brightness > 127) |
02e792fb | 1324 | goto out_unlock; |
60fc332c | 1325 | if (attrs->contrast > 255) |
02e792fb | 1326 | goto out_unlock; |
60fc332c | 1327 | if (attrs->saturation > 1023) |
02e792fb | 1328 | goto out_unlock; |
02e792fb | 1329 | |
60fc332c CW |
1330 | overlay->color_key = attrs->color_key; |
1331 | overlay->brightness = attrs->brightness; | |
1332 | overlay->contrast = attrs->contrast; | |
1333 | overlay->saturation = attrs->saturation; | |
02e792fb | 1334 | |
8d74f656 | 1335 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
1336 | if (!regs) { |
1337 | ret = -ENOMEM; | |
1338 | goto out_unlock; | |
1339 | } | |
1340 | ||
1341 | update_reg_attrs(overlay, regs); | |
1342 | ||
9bb2ff73 | 1343 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb DV |
1344 | |
1345 | if (attrs->flags & I915_OVERLAY_UPDATE_GAMMA) { | |
1ee8da6d | 1346 | if (IS_GEN2(dev_priv)) |
02e792fb | 1347 | goto out_unlock; |
02e792fb DV |
1348 | |
1349 | if (overlay->active) { | |
1350 | ret = -EBUSY; | |
1351 | goto out_unlock; | |
1352 | } | |
1353 | ||
1354 | ret = check_gamma(attrs); | |
60fc332c | 1355 | if (ret) |
02e792fb DV |
1356 | goto out_unlock; |
1357 | ||
1358 | I915_WRITE(OGAMC0, attrs->gamma0); | |
1359 | I915_WRITE(OGAMC1, attrs->gamma1); | |
1360 | I915_WRITE(OGAMC2, attrs->gamma2); | |
1361 | I915_WRITE(OGAMC3, attrs->gamma3); | |
1362 | I915_WRITE(OGAMC4, attrs->gamma4); | |
1363 | I915_WRITE(OGAMC5, attrs->gamma5); | |
1364 | } | |
02e792fb | 1365 | } |
ea9da4e4 | 1366 | overlay->color_key_enabled = (attrs->flags & I915_OVERLAY_DISABLE_DEST_COLORKEY) == 0; |
02e792fb | 1367 | |
60fc332c | 1368 | ret = 0; |
02e792fb DV |
1369 | out_unlock: |
1370 | mutex_unlock(&dev->struct_mutex); | |
a0e99e68 | 1371 | drm_modeset_unlock_all(dev); |
02e792fb DV |
1372 | |
1373 | return ret; | |
1374 | } | |
1375 | ||
1ee8da6d | 1376 | void intel_setup_overlay(struct drm_i915_private *dev_priv) |
02e792fb | 1377 | { |
02e792fb | 1378 | struct intel_overlay *overlay; |
05394f39 | 1379 | struct drm_i915_gem_object *reg_bo; |
75020bc1 | 1380 | struct overlay_registers __iomem *regs; |
02e792fb DV |
1381 | int ret; |
1382 | ||
1ee8da6d | 1383 | if (!HAS_OVERLAY(dev_priv)) |
02e792fb DV |
1384 | return; |
1385 | ||
b14c5679 | 1386 | overlay = kzalloc(sizeof(*overlay), GFP_KERNEL); |
02e792fb DV |
1387 | if (!overlay) |
1388 | return; | |
79d24273 | 1389 | |
91c8a326 | 1390 | mutex_lock(&dev_priv->drm.struct_mutex); |
79d24273 CW |
1391 | if (WARN_ON(dev_priv->overlay)) |
1392 | goto out_free; | |
1393 | ||
1ee8da6d | 1394 | overlay->i915 = dev_priv; |
02e792fb | 1395 | |
f63a484c | 1396 | reg_bo = NULL; |
1ee8da6d | 1397 | if (!OVERLAY_NEEDS_PHYSICAL(dev_priv)) |
91c8a326 CW |
1398 | reg_bo = i915_gem_object_create_stolen(&dev_priv->drm, |
1399 | PAGE_SIZE); | |
80405138 | 1400 | if (reg_bo == NULL) |
91c8a326 | 1401 | reg_bo = i915_gem_object_create(&dev_priv->drm, PAGE_SIZE); |
fe3db79b | 1402 | if (IS_ERR(reg_bo)) |
02e792fb | 1403 | goto out_free; |
05394f39 | 1404 | overlay->reg_bo = reg_bo; |
02e792fb | 1405 | |
1ee8da6d | 1406 | if (OVERLAY_NEEDS_PHYSICAL(dev_priv)) { |
00731155 | 1407 | ret = i915_gem_object_attach_phys(reg_bo, PAGE_SIZE); |
0206e353 AJ |
1408 | if (ret) { |
1409 | DRM_ERROR("failed to attach phys overlay regs\n"); | |
1410 | goto out_free_bo; | |
1411 | } | |
00731155 | 1412 | overlay->flip_addr = reg_bo->phys_handle->busaddr; |
31578148 | 1413 | } else { |
1ec9e26d | 1414 | ret = i915_gem_obj_ggtt_pin(reg_bo, PAGE_SIZE, PIN_MAPPABLE); |
02e792fb | 1415 | if (ret) { |
0206e353 AJ |
1416 | DRM_ERROR("failed to pin overlay register bo\n"); |
1417 | goto out_free_bo; | |
1418 | } | |
f343c5f6 | 1419 | overlay->flip_addr = i915_gem_obj_ggtt_offset(reg_bo); |
0ddc1289 CW |
1420 | |
1421 | ret = i915_gem_object_set_to_gtt_domain(reg_bo, true); | |
1422 | if (ret) { | |
0206e353 AJ |
1423 | DRM_ERROR("failed to move overlay register bo into the GTT\n"); |
1424 | goto out_unpin_bo; | |
1425 | } | |
02e792fb DV |
1426 | } |
1427 | ||
1428 | /* init all values */ | |
1429 | overlay->color_key = 0x0101fe; | |
ea9da4e4 | 1430 | overlay->color_key_enabled = true; |
02e792fb DV |
1431 | overlay->brightness = -19; |
1432 | overlay->contrast = 75; | |
1433 | overlay->saturation = 146; | |
1434 | ||
8d74f656 | 1435 | regs = intel_overlay_map_regs(overlay); |
02e792fb | 1436 | if (!regs) |
79d24273 | 1437 | goto out_unpin_bo; |
02e792fb | 1438 | |
75020bc1 | 1439 | memset_io(regs, 0, sizeof(struct overlay_registers)); |
02e792fb | 1440 | update_polyphase_filter(regs); |
02e792fb DV |
1441 | update_reg_attrs(overlay, regs); |
1442 | ||
9bb2ff73 | 1443 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb DV |
1444 | |
1445 | dev_priv->overlay = overlay; | |
91c8a326 | 1446 | mutex_unlock(&dev_priv->drm.struct_mutex); |
02e792fb DV |
1447 | DRM_INFO("initialized overlay support\n"); |
1448 | return; | |
1449 | ||
0ddc1289 | 1450 | out_unpin_bo: |
1ee8da6d | 1451 | if (!OVERLAY_NEEDS_PHYSICAL(dev_priv)) |
d7f46fc4 | 1452 | i915_gem_object_ggtt_unpin(reg_bo); |
02e792fb | 1453 | out_free_bo: |
f8c417cd | 1454 | i915_gem_object_put(reg_bo); |
02e792fb | 1455 | out_free: |
91c8a326 | 1456 | mutex_unlock(&dev_priv->drm.struct_mutex); |
02e792fb DV |
1457 | kfree(overlay); |
1458 | return; | |
1459 | } | |
1460 | ||
1ee8da6d | 1461 | void intel_cleanup_overlay(struct drm_i915_private *dev_priv) |
02e792fb | 1462 | { |
62cf4e6f CW |
1463 | if (!dev_priv->overlay) |
1464 | return; | |
02e792fb | 1465 | |
62cf4e6f CW |
1466 | /* The bo's should be free'd by the generic code already. |
1467 | * Furthermore modesetting teardown happens beforehand so the | |
1468 | * hardware should be off already */ | |
77589f56 | 1469 | WARN_ON(dev_priv->overlay->active); |
62cf4e6f | 1470 | |
34911fd3 | 1471 | i915_gem_object_put_unlocked(dev_priv->overlay->reg_bo); |
62cf4e6f | 1472 | kfree(dev_priv->overlay); |
02e792fb | 1473 | } |
6ef3d427 CW |
1474 | |
1475 | struct intel_overlay_error_state { | |
1476 | struct overlay_registers regs; | |
1477 | unsigned long base; | |
1478 | u32 dovsta; | |
1479 | u32 isr; | |
1480 | }; | |
1481 | ||
75020bc1 | 1482 | static struct overlay_registers __iomem * |
c48c43e4 | 1483 | intel_overlay_map_regs_atomic(struct intel_overlay *overlay) |
3bd3c932 | 1484 | { |
1ee8da6d | 1485 | struct drm_i915_private *dev_priv = overlay->i915; |
75020bc1 | 1486 | struct overlay_registers __iomem *regs; |
3bd3c932 | 1487 | |
1ee8da6d | 1488 | if (OVERLAY_NEEDS_PHYSICAL(dev_priv)) |
75020bc1 BW |
1489 | /* Cast to make sparse happy, but it's wc memory anyway, so |
1490 | * equivalent to the wc io mapping on X86. */ | |
1491 | regs = (struct overlay_registers __iomem *) | |
00731155 | 1492 | overlay->reg_bo->phys_handle->vaddr; |
3bd3c932 | 1493 | else |
1ee8da6d | 1494 | regs = io_mapping_map_atomic_wc(dev_priv->ggtt.mappable, |
da6ca034 | 1495 | overlay->flip_addr); |
3bd3c932 CW |
1496 | |
1497 | return regs; | |
1498 | } | |
1499 | ||
1500 | static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay, | |
75020bc1 | 1501 | struct overlay_registers __iomem *regs) |
3bd3c932 | 1502 | { |
1ee8da6d | 1503 | if (!OVERLAY_NEEDS_PHYSICAL(overlay->i915)) |
c48c43e4 | 1504 | io_mapping_unmap_atomic(regs); |
3bd3c932 CW |
1505 | } |
1506 | ||
6ef3d427 | 1507 | struct intel_overlay_error_state * |
c033666a | 1508 | intel_overlay_capture_error_state(struct drm_i915_private *dev_priv) |
6ef3d427 | 1509 | { |
6ef3d427 CW |
1510 | struct intel_overlay *overlay = dev_priv->overlay; |
1511 | struct intel_overlay_error_state *error; | |
1512 | struct overlay_registers __iomem *regs; | |
1513 | ||
1514 | if (!overlay || !overlay->active) | |
1515 | return NULL; | |
1516 | ||
1517 | error = kmalloc(sizeof(*error), GFP_ATOMIC); | |
1518 | if (error == NULL) | |
1519 | return NULL; | |
1520 | ||
1521 | error->dovsta = I915_READ(DOVSTA); | |
1522 | error->isr = I915_READ(ISR); | |
da6ca034 | 1523 | error->base = overlay->flip_addr; |
6ef3d427 CW |
1524 | |
1525 | regs = intel_overlay_map_regs_atomic(overlay); | |
1526 | if (!regs) | |
1527 | goto err; | |
1528 | ||
1529 | memcpy_fromio(&error->regs, regs, sizeof(struct overlay_registers)); | |
c48c43e4 | 1530 | intel_overlay_unmap_regs_atomic(overlay, regs); |
6ef3d427 CW |
1531 | |
1532 | return error; | |
1533 | ||
1534 | err: | |
1535 | kfree(error); | |
1536 | return NULL; | |
1537 | } | |
1538 | ||
1539 | void | |
edc3d884 MK |
1540 | intel_overlay_print_error_state(struct drm_i915_error_state_buf *m, |
1541 | struct intel_overlay_error_state *error) | |
6ef3d427 | 1542 | { |
edc3d884 MK |
1543 | i915_error_printf(m, "Overlay, status: 0x%08x, interrupt: 0x%08x\n", |
1544 | error->dovsta, error->isr); | |
1545 | i915_error_printf(m, " Register file at 0x%08lx:\n", | |
1546 | error->base); | |
6ef3d427 | 1547 | |
edc3d884 | 1548 | #define P(x) i915_error_printf(m, " " #x ": 0x%08x\n", error->regs.x) |
6ef3d427 CW |
1549 | P(OBUF_0Y); |
1550 | P(OBUF_1Y); | |
1551 | P(OBUF_0U); | |
1552 | P(OBUF_0V); | |
1553 | P(OBUF_1U); | |
1554 | P(OBUF_1V); | |
1555 | P(OSTRIDE); | |
1556 | P(YRGB_VPH); | |
1557 | P(UV_VPH); | |
1558 | P(HORZ_PH); | |
1559 | P(INIT_PHS); | |
1560 | P(DWINPOS); | |
1561 | P(DWINSZ); | |
1562 | P(SWIDTH); | |
1563 | P(SWIDTHSW); | |
1564 | P(SHEIGHT); | |
1565 | P(YRGBSCALE); | |
1566 | P(UVSCALE); | |
1567 | P(OCLRC0); | |
1568 | P(OCLRC1); | |
1569 | P(DCLRKV); | |
1570 | P(DCLRKM); | |
1571 | P(SCLRKVH); | |
1572 | P(SCLRKVL); | |
1573 | P(SCLRKEN); | |
1574 | P(OCONFIG); | |
1575 | P(OCMD); | |
1576 | P(OSTART_0Y); | |
1577 | P(OSTART_1Y); | |
1578 | P(OSTART_0U); | |
1579 | P(OSTART_0V); | |
1580 | P(OSTART_1U); | |
1581 | P(OSTART_1V); | |
1582 | P(OTILEOFF_0Y); | |
1583 | P(OTILEOFF_1Y); | |
1584 | P(OTILEOFF_0U); | |
1585 | P(OTILEOFF_0V); | |
1586 | P(OTILEOFF_1U); | |
1587 | P(OTILEOFF_1V); | |
1588 | P(FASTHSCALE); | |
1589 | P(UVSCALEV); | |
1590 | #undef P | |
1591 | } |