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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 CW |
170 | struct intel_overlay { |
171 | struct drm_device *dev; | |
172 | struct intel_crtc *crtc; | |
173 | struct drm_i915_gem_object *vid_bo; | |
174 | struct drm_i915_gem_object *old_vid_bo; | |
175 | int active; | |
176 | int pfit_active; | |
177 | u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */ | |
178 | u32 color_key; | |
179 | u32 brightness, contrast, saturation; | |
180 | u32 old_xscale, old_yscale; | |
181 | /* register access */ | |
182 | u32 flip_addr; | |
183 | struct drm_i915_gem_object *reg_bo; | |
184 | /* flip handling */ | |
185 | uint32_t last_flip_req; | |
b303cf95 | 186 | void (*flip_tail)(struct intel_overlay *); |
23f09ce3 | 187 | }; |
02e792fb | 188 | |
75020bc1 | 189 | static struct overlay_registers __iomem * |
8d74f656 | 190 | intel_overlay_map_regs(struct intel_overlay *overlay) |
02e792fb | 191 | { |
d5d45cc5 | 192 | struct drm_i915_private *dev_priv = overlay->dev->dev_private; |
75020bc1 | 193 | struct overlay_registers __iomem *regs; |
02e792fb | 194 | |
9bb2ff73 | 195 | if (OVERLAY_NEEDS_PHYSICAL(overlay->dev)) |
00731155 | 196 | regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_handle->vaddr; |
9bb2ff73 | 197 | else |
5d4545ae | 198 | regs = io_mapping_map_wc(dev_priv->gtt.mappable, |
f343c5f6 | 199 | i915_gem_obj_ggtt_offset(overlay->reg_bo)); |
02e792fb | 200 | |
9bb2ff73 | 201 | return regs; |
8d74f656 | 202 | } |
02e792fb | 203 | |
9bb2ff73 | 204 | static void intel_overlay_unmap_regs(struct intel_overlay *overlay, |
75020bc1 | 205 | struct overlay_registers __iomem *regs) |
8d74f656 CW |
206 | { |
207 | if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev)) | |
9bb2ff73 | 208 | io_mapping_unmap(regs); |
02e792fb DV |
209 | } |
210 | ||
b6c028e0 | 211 | static int intel_overlay_do_wait_request(struct intel_overlay *overlay, |
b303cf95 | 212 | void (*tail)(struct intel_overlay *)) |
02e792fb DV |
213 | { |
214 | struct drm_device *dev = overlay->dev; | |
d5d45cc5 | 215 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 216 | struct intel_engine_cs *ring = &dev_priv->ring[RCS]; |
b6c028e0 | 217 | int ret; |
02e792fb | 218 | |
b303cf95 | 219 | BUG_ON(overlay->last_flip_req); |
0025c077 | 220 | ret = i915_add_request(ring, &overlay->last_flip_req); |
acb868d3 CW |
221 | if (ret) |
222 | return ret; | |
223 | ||
b303cf95 | 224 | overlay->flip_tail = tail; |
199b2bc2 | 225 | ret = i915_wait_seqno(ring, overlay->last_flip_req); |
b6c028e0 | 226 | if (ret) |
03f77ea5 | 227 | return ret; |
b2da9fe5 | 228 | i915_gem_retire_requests(dev); |
02e792fb | 229 | |
03f77ea5 | 230 | overlay->last_flip_req = 0; |
02e792fb | 231 | return 0; |
02e792fb DV |
232 | } |
233 | ||
02e792fb DV |
234 | /* overlay needs to be disable in OCMD reg */ |
235 | static int intel_overlay_on(struct intel_overlay *overlay) | |
236 | { | |
237 | struct drm_device *dev = overlay->dev; | |
e1f99ce6 | 238 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 239 | struct intel_engine_cs *ring = &dev_priv->ring[RCS]; |
02e792fb | 240 | int ret; |
02e792fb DV |
241 | |
242 | BUG_ON(overlay->active); | |
03f77ea5 | 243 | overlay->active = 1; |
b6c028e0 | 244 | |
6306cb4f | 245 | WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE)); |
106dadac | 246 | |
6d90c952 | 247 | ret = intel_ring_begin(ring, 4); |
acb868d3 CW |
248 | if (ret) |
249 | return ret; | |
e1f99ce6 | 250 | |
6d90c952 DV |
251 | intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON); |
252 | intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE); | |
253 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); | |
254 | intel_ring_emit(ring, MI_NOOP); | |
255 | intel_ring_advance(ring); | |
02e792fb | 256 | |
acb868d3 | 257 | return intel_overlay_do_wait_request(overlay, NULL); |
02e792fb DV |
258 | } |
259 | ||
260 | /* overlay needs to be enabled in OCMD reg */ | |
8dc5d147 CW |
261 | static int intel_overlay_continue(struct intel_overlay *overlay, |
262 | bool load_polyphase_filter) | |
02e792fb DV |
263 | { |
264 | struct drm_device *dev = overlay->dev; | |
d5d45cc5 | 265 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 266 | struct intel_engine_cs *ring = &dev_priv->ring[RCS]; |
02e792fb DV |
267 | u32 flip_addr = overlay->flip_addr; |
268 | u32 tmp; | |
e1f99ce6 | 269 | int ret; |
02e792fb DV |
270 | |
271 | BUG_ON(!overlay->active); | |
272 | ||
273 | if (load_polyphase_filter) | |
274 | flip_addr |= OFC_UPDATE; | |
275 | ||
276 | /* check for underruns */ | |
277 | tmp = I915_READ(DOVSTA); | |
278 | if (tmp & (1 << 17)) | |
279 | DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp); | |
280 | ||
6d90c952 | 281 | ret = intel_ring_begin(ring, 2); |
acb868d3 | 282 | if (ret) |
e1f99ce6 | 283 | return ret; |
acb868d3 | 284 | |
6d90c952 DV |
285 | intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE); |
286 | intel_ring_emit(ring, flip_addr); | |
287 | intel_ring_advance(ring); | |
5a5a0c64 | 288 | |
0025c077 | 289 | return i915_add_request(ring, &overlay->last_flip_req); |
5a5a0c64 DV |
290 | } |
291 | ||
b303cf95 | 292 | static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay) |
5a5a0c64 | 293 | { |
05394f39 | 294 | struct drm_i915_gem_object *obj = overlay->old_vid_bo; |
5a5a0c64 | 295 | |
d7f46fc4 | 296 | i915_gem_object_ggtt_unpin(obj); |
05394f39 | 297 | drm_gem_object_unreference(&obj->base); |
5a5a0c64 | 298 | |
b303cf95 CW |
299 | overlay->old_vid_bo = NULL; |
300 | } | |
03f77ea5 | 301 | |
b303cf95 CW |
302 | static void intel_overlay_off_tail(struct intel_overlay *overlay) |
303 | { | |
05394f39 | 304 | struct drm_i915_gem_object *obj = overlay->vid_bo; |
02e792fb | 305 | |
b303cf95 CW |
306 | /* never have the overlay hw on without showing a frame */ |
307 | BUG_ON(!overlay->vid_bo); | |
02e792fb | 308 | |
d7f46fc4 | 309 | i915_gem_object_ggtt_unpin(obj); |
05394f39 | 310 | drm_gem_object_unreference(&obj->base); |
b303cf95 | 311 | overlay->vid_bo = NULL; |
03f77ea5 | 312 | |
b303cf95 CW |
313 | overlay->crtc->overlay = NULL; |
314 | overlay->crtc = NULL; | |
315 | overlay->active = 0; | |
02e792fb DV |
316 | } |
317 | ||
318 | /* overlay needs to be disabled in OCMD reg */ | |
ce453d81 | 319 | static int intel_overlay_off(struct intel_overlay *overlay) |
02e792fb | 320 | { |
02e792fb | 321 | struct drm_device *dev = overlay->dev; |
e1f99ce6 | 322 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 323 | struct intel_engine_cs *ring = &dev_priv->ring[RCS]; |
8dc5d147 | 324 | u32 flip_addr = overlay->flip_addr; |
e1f99ce6 | 325 | int ret; |
02e792fb DV |
326 | |
327 | BUG_ON(!overlay->active); | |
328 | ||
329 | /* According to intel docs the overlay hw may hang (when switching | |
330 | * off) without loading the filter coeffs. It is however unclear whether | |
331 | * this applies to the disabling of the overlay or to the switching off | |
332 | * of the hw. Do it in both cases */ | |
333 | flip_addr |= OFC_UPDATE; | |
334 | ||
6d90c952 | 335 | ret = intel_ring_begin(ring, 6); |
acb868d3 | 336 | if (ret) |
e1f99ce6 | 337 | return ret; |
acb868d3 | 338 | |
02e792fb | 339 | /* wait for overlay to go idle */ |
6d90c952 DV |
340 | intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE); |
341 | intel_ring_emit(ring, flip_addr); | |
342 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); | |
02e792fb | 343 | /* turn overlay off */ |
a9193983 DV |
344 | if (IS_I830(dev)) { |
345 | /* Workaround: Don't disable the overlay fully, since otherwise | |
346 | * it dies on the next OVERLAY_ON cmd. */ | |
347 | intel_ring_emit(ring, MI_NOOP); | |
348 | intel_ring_emit(ring, MI_NOOP); | |
349 | intel_ring_emit(ring, MI_NOOP); | |
350 | } else { | |
351 | intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF); | |
352 | intel_ring_emit(ring, flip_addr); | |
353 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); | |
354 | } | |
6d90c952 | 355 | intel_ring_advance(ring); |
02e792fb | 356 | |
acb868d3 | 357 | return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail); |
12ca45fe DV |
358 | } |
359 | ||
03f77ea5 DV |
360 | /* recover from an interruption due to a signal |
361 | * We have to be careful not to repeat work forever an make forward progess. */ | |
ce453d81 | 362 | static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay) |
03f77ea5 DV |
363 | { |
364 | struct drm_device *dev = overlay->dev; | |
d5d45cc5 | 365 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 366 | struct intel_engine_cs *ring = &dev_priv->ring[RCS]; |
03f77ea5 | 367 | int ret; |
03f77ea5 | 368 | |
b303cf95 CW |
369 | if (overlay->last_flip_req == 0) |
370 | return 0; | |
03f77ea5 | 371 | |
199b2bc2 | 372 | ret = i915_wait_seqno(ring, overlay->last_flip_req); |
b6c028e0 | 373 | if (ret) |
03f77ea5 | 374 | return ret; |
b2da9fe5 | 375 | i915_gem_retire_requests(dev); |
03f77ea5 | 376 | |
b303cf95 CW |
377 | if (overlay->flip_tail) |
378 | overlay->flip_tail(overlay); | |
03f77ea5 | 379 | |
03f77ea5 DV |
380 | overlay->last_flip_req = 0; |
381 | return 0; | |
382 | } | |
383 | ||
5a5a0c64 DV |
384 | /* Wait for pending overlay flip and release old frame. |
385 | * Needs to be called before the overlay register are changed | |
8d74f656 CW |
386 | * via intel_overlay_(un)map_regs |
387 | */ | |
02e792fb DV |
388 | static int intel_overlay_release_old_vid(struct intel_overlay *overlay) |
389 | { | |
5cd68c98 | 390 | struct drm_device *dev = overlay->dev; |
d5d45cc5 | 391 | struct drm_i915_private *dev_priv = dev->dev_private; |
a4872ba6 | 392 | struct intel_engine_cs *ring = &dev_priv->ring[RCS]; |
02e792fb | 393 | int ret; |
02e792fb | 394 | |
5cd68c98 CW |
395 | /* Only wait if there is actually an old frame to release to |
396 | * guarantee forward progress. | |
397 | */ | |
03f77ea5 DV |
398 | if (!overlay->old_vid_bo) |
399 | return 0; | |
400 | ||
5cd68c98 CW |
401 | if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) { |
402 | /* synchronous slowpath */ | |
6d90c952 | 403 | ret = intel_ring_begin(ring, 2); |
acb868d3 | 404 | if (ret) |
e1f99ce6 | 405 | return ret; |
e1f99ce6 | 406 | |
6d90c952 DV |
407 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); |
408 | intel_ring_emit(ring, MI_NOOP); | |
409 | intel_ring_advance(ring); | |
5cd68c98 | 410 | |
acb868d3 | 411 | ret = intel_overlay_do_wait_request(overlay, |
b303cf95 | 412 | intel_overlay_release_old_vid_tail); |
5cd68c98 CW |
413 | if (ret) |
414 | return ret; | |
415 | } | |
02e792fb | 416 | |
5cd68c98 | 417 | intel_overlay_release_old_vid_tail(overlay); |
02e792fb DV |
418 | return 0; |
419 | } | |
420 | ||
421 | struct put_image_params { | |
422 | int format; | |
423 | short dst_x; | |
424 | short dst_y; | |
425 | short dst_w; | |
426 | short dst_h; | |
427 | short src_w; | |
428 | short src_scan_h; | |
429 | short src_scan_w; | |
430 | short src_h; | |
431 | short stride_Y; | |
432 | short stride_UV; | |
433 | int offset_Y; | |
434 | int offset_U; | |
435 | int offset_V; | |
436 | }; | |
437 | ||
438 | static int packed_depth_bytes(u32 format) | |
439 | { | |
440 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
441 | case I915_OVERLAY_YUV422: |
442 | return 4; | |
443 | case I915_OVERLAY_YUV411: | |
444 | /* return 6; not implemented */ | |
445 | default: | |
446 | return -EINVAL; | |
02e792fb DV |
447 | } |
448 | } | |
449 | ||
450 | static int packed_width_bytes(u32 format, short width) | |
451 | { | |
452 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
453 | case I915_OVERLAY_YUV422: |
454 | return width << 1; | |
455 | default: | |
456 | return -EINVAL; | |
02e792fb DV |
457 | } |
458 | } | |
459 | ||
460 | static int uv_hsubsampling(u32 format) | |
461 | { | |
462 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
463 | case I915_OVERLAY_YUV422: |
464 | case I915_OVERLAY_YUV420: | |
465 | return 2; | |
466 | case I915_OVERLAY_YUV411: | |
467 | case I915_OVERLAY_YUV410: | |
468 | return 4; | |
469 | default: | |
470 | return -EINVAL; | |
02e792fb DV |
471 | } |
472 | } | |
473 | ||
474 | static int uv_vsubsampling(u32 format) | |
475 | { | |
476 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
477 | case I915_OVERLAY_YUV420: |
478 | case I915_OVERLAY_YUV410: | |
479 | return 2; | |
480 | case I915_OVERLAY_YUV422: | |
481 | case I915_OVERLAY_YUV411: | |
482 | return 1; | |
483 | default: | |
484 | return -EINVAL; | |
02e792fb DV |
485 | } |
486 | } | |
487 | ||
488 | static u32 calc_swidthsw(struct drm_device *dev, u32 offset, u32 width) | |
489 | { | |
490 | u32 mask, shift, ret; | |
a6c45cf0 | 491 | if (IS_GEN2(dev)) { |
02e792fb DV |
492 | mask = 0x1f; |
493 | shift = 5; | |
a6c45cf0 CW |
494 | } else { |
495 | mask = 0x3f; | |
496 | shift = 6; | |
02e792fb DV |
497 | } |
498 | ret = ((offset + width + mask) >> shift) - (offset >> shift); | |
a6c45cf0 | 499 | if (!IS_GEN2(dev)) |
02e792fb | 500 | ret <<= 1; |
0206e353 | 501 | ret -= 1; |
02e792fb DV |
502 | return ret << 2; |
503 | } | |
504 | ||
505 | static const u16 y_static_hcoeffs[N_HORIZ_Y_TAPS * N_PHASES] = { | |
506 | 0x3000, 0xb4a0, 0x1930, 0x1920, 0xb4a0, | |
507 | 0x3000, 0xb500, 0x19d0, 0x1880, 0xb440, | |
508 | 0x3000, 0xb540, 0x1a88, 0x2f80, 0xb3e0, | |
509 | 0x3000, 0xb580, 0x1b30, 0x2e20, 0xb380, | |
510 | 0x3000, 0xb5c0, 0x1bd8, 0x2cc0, 0xb320, | |
511 | 0x3020, 0xb5e0, 0x1c60, 0x2b80, 0xb2c0, | |
512 | 0x3020, 0xb5e0, 0x1cf8, 0x2a20, 0xb260, | |
513 | 0x3020, 0xb5e0, 0x1d80, 0x28e0, 0xb200, | |
514 | 0x3020, 0xb5c0, 0x1e08, 0x3f40, 0xb1c0, | |
515 | 0x3020, 0xb580, 0x1e78, 0x3ce0, 0xb160, | |
516 | 0x3040, 0xb520, 0x1ed8, 0x3aa0, 0xb120, | |
517 | 0x3040, 0xb4a0, 0x1f30, 0x3880, 0xb0e0, | |
518 | 0x3040, 0xb400, 0x1f78, 0x3680, 0xb0a0, | |
519 | 0x3020, 0xb340, 0x1fb8, 0x34a0, 0xb060, | |
520 | 0x3020, 0xb240, 0x1fe0, 0x32e0, 0xb040, | |
521 | 0x3020, 0xb140, 0x1ff8, 0x3160, 0xb020, | |
722506f0 CW |
522 | 0xb000, 0x3000, 0x0800, 0x3000, 0xb000 |
523 | }; | |
524 | ||
02e792fb DV |
525 | static const u16 uv_static_hcoeffs[N_HORIZ_UV_TAPS * N_PHASES] = { |
526 | 0x3000, 0x1800, 0x1800, 0xb000, 0x18d0, 0x2e60, | |
527 | 0xb000, 0x1990, 0x2ce0, 0xb020, 0x1a68, 0x2b40, | |
528 | 0xb040, 0x1b20, 0x29e0, 0xb060, 0x1bd8, 0x2880, | |
529 | 0xb080, 0x1c88, 0x3e60, 0xb0a0, 0x1d28, 0x3c00, | |
530 | 0xb0c0, 0x1db8, 0x39e0, 0xb0e0, 0x1e40, 0x37e0, | |
531 | 0xb100, 0x1eb8, 0x3620, 0xb100, 0x1f18, 0x34a0, | |
532 | 0xb100, 0x1f68, 0x3360, 0xb0e0, 0x1fa8, 0x3240, | |
533 | 0xb0c0, 0x1fe0, 0x3140, 0xb060, 0x1ff0, 0x30a0, | |
722506f0 CW |
534 | 0x3000, 0x0800, 0x3000 |
535 | }; | |
02e792fb | 536 | |
75020bc1 | 537 | static void update_polyphase_filter(struct overlay_registers __iomem *regs) |
02e792fb | 538 | { |
75020bc1 BW |
539 | memcpy_toio(regs->Y_HCOEFS, y_static_hcoeffs, sizeof(y_static_hcoeffs)); |
540 | memcpy_toio(regs->UV_HCOEFS, uv_static_hcoeffs, | |
541 | sizeof(uv_static_hcoeffs)); | |
02e792fb DV |
542 | } |
543 | ||
544 | static bool update_scaling_factors(struct intel_overlay *overlay, | |
75020bc1 | 545 | struct overlay_registers __iomem *regs, |
02e792fb DV |
546 | struct put_image_params *params) |
547 | { | |
548 | /* fixed point with a 12 bit shift */ | |
549 | u32 xscale, yscale, xscale_UV, yscale_UV; | |
550 | #define FP_SHIFT 12 | |
551 | #define FRACT_MASK 0xfff | |
552 | bool scale_changed = false; | |
553 | int uv_hscale = uv_hsubsampling(params->format); | |
554 | int uv_vscale = uv_vsubsampling(params->format); | |
555 | ||
556 | if (params->dst_w > 1) | |
557 | xscale = ((params->src_scan_w - 1) << FP_SHIFT) | |
558 | /(params->dst_w); | |
559 | else | |
560 | xscale = 1 << FP_SHIFT; | |
561 | ||
562 | if (params->dst_h > 1) | |
563 | yscale = ((params->src_scan_h - 1) << FP_SHIFT) | |
564 | /(params->dst_h); | |
565 | else | |
566 | yscale = 1 << FP_SHIFT; | |
567 | ||
568 | /*if (params->format & I915_OVERLAY_YUV_PLANAR) {*/ | |
722506f0 CW |
569 | xscale_UV = xscale/uv_hscale; |
570 | yscale_UV = yscale/uv_vscale; | |
571 | /* make the Y scale to UV scale ratio an exact multiply */ | |
572 | xscale = xscale_UV * uv_hscale; | |
573 | yscale = yscale_UV * uv_vscale; | |
02e792fb | 574 | /*} else { |
722506f0 CW |
575 | xscale_UV = 0; |
576 | yscale_UV = 0; | |
577 | }*/ | |
02e792fb DV |
578 | |
579 | if (xscale != overlay->old_xscale || yscale != overlay->old_yscale) | |
580 | scale_changed = true; | |
581 | overlay->old_xscale = xscale; | |
582 | overlay->old_yscale = yscale; | |
583 | ||
75020bc1 BW |
584 | iowrite32(((yscale & FRACT_MASK) << 20) | |
585 | ((xscale >> FP_SHIFT) << 16) | | |
586 | ((xscale & FRACT_MASK) << 3), | |
587 | ®s->YRGBSCALE); | |
722506f0 | 588 | |
75020bc1 BW |
589 | iowrite32(((yscale_UV & FRACT_MASK) << 20) | |
590 | ((xscale_UV >> FP_SHIFT) << 16) | | |
591 | ((xscale_UV & FRACT_MASK) << 3), | |
592 | ®s->UVSCALE); | |
722506f0 | 593 | |
75020bc1 BW |
594 | iowrite32((((yscale >> FP_SHIFT) << 16) | |
595 | ((yscale_UV >> FP_SHIFT) << 0)), | |
596 | ®s->UVSCALEV); | |
02e792fb DV |
597 | |
598 | if (scale_changed) | |
599 | update_polyphase_filter(regs); | |
600 | ||
601 | return scale_changed; | |
602 | } | |
603 | ||
604 | static void update_colorkey(struct intel_overlay *overlay, | |
75020bc1 | 605 | struct overlay_registers __iomem *regs) |
02e792fb DV |
606 | { |
607 | u32 key = overlay->color_key; | |
6ba3ddd9 | 608 | |
f4510a27 | 609 | switch (overlay->crtc->base.primary->fb->bits_per_pixel) { |
722506f0 | 610 | case 8: |
75020bc1 BW |
611 | iowrite32(0, ®s->DCLRKV); |
612 | iowrite32(CLK_RGB8I_MASK | DST_KEY_ENABLE, ®s->DCLRKM); | |
6ba3ddd9 CW |
613 | break; |
614 | ||
722506f0 | 615 | case 16: |
f4510a27 | 616 | if (overlay->crtc->base.primary->fb->depth == 15) { |
75020bc1 BW |
617 | iowrite32(RGB15_TO_COLORKEY(key), ®s->DCLRKV); |
618 | iowrite32(CLK_RGB15_MASK | DST_KEY_ENABLE, | |
619 | ®s->DCLRKM); | |
722506f0 | 620 | } else { |
75020bc1 BW |
621 | iowrite32(RGB16_TO_COLORKEY(key), ®s->DCLRKV); |
622 | iowrite32(CLK_RGB16_MASK | DST_KEY_ENABLE, | |
623 | ®s->DCLRKM); | |
722506f0 | 624 | } |
6ba3ddd9 CW |
625 | break; |
626 | ||
722506f0 CW |
627 | case 24: |
628 | case 32: | |
75020bc1 BW |
629 | iowrite32(key, ®s->DCLRKV); |
630 | iowrite32(CLK_RGB24_MASK | DST_KEY_ENABLE, ®s->DCLRKM); | |
6ba3ddd9 | 631 | break; |
02e792fb DV |
632 | } |
633 | } | |
634 | ||
635 | static u32 overlay_cmd_reg(struct put_image_params *params) | |
636 | { | |
637 | u32 cmd = OCMD_ENABLE | OCMD_BUF_TYPE_FRAME | OCMD_BUFFER0; | |
638 | ||
639 | if (params->format & I915_OVERLAY_YUV_PLANAR) { | |
640 | switch (params->format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
641 | case I915_OVERLAY_YUV422: |
642 | cmd |= OCMD_YUV_422_PLANAR; | |
643 | break; | |
644 | case I915_OVERLAY_YUV420: | |
645 | cmd |= OCMD_YUV_420_PLANAR; | |
646 | break; | |
647 | case I915_OVERLAY_YUV411: | |
648 | case I915_OVERLAY_YUV410: | |
649 | cmd |= OCMD_YUV_410_PLANAR; | |
650 | break; | |
02e792fb DV |
651 | } |
652 | } else { /* YUV packed */ | |
653 | switch (params->format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
654 | case I915_OVERLAY_YUV422: |
655 | cmd |= OCMD_YUV_422_PACKED; | |
656 | break; | |
657 | case I915_OVERLAY_YUV411: | |
658 | cmd |= OCMD_YUV_411_PACKED; | |
659 | break; | |
02e792fb DV |
660 | } |
661 | ||
662 | switch (params->format & I915_OVERLAY_SWAP_MASK) { | |
722506f0 CW |
663 | case I915_OVERLAY_NO_SWAP: |
664 | break; | |
665 | case I915_OVERLAY_UV_SWAP: | |
666 | cmd |= OCMD_UV_SWAP; | |
667 | break; | |
668 | case I915_OVERLAY_Y_SWAP: | |
669 | cmd |= OCMD_Y_SWAP; | |
670 | break; | |
671 | case I915_OVERLAY_Y_AND_UV_SWAP: | |
672 | cmd |= OCMD_Y_AND_UV_SWAP; | |
673 | break; | |
02e792fb DV |
674 | } |
675 | } | |
676 | ||
677 | return cmd; | |
678 | } | |
679 | ||
5fe82c5e | 680 | static int intel_overlay_do_put_image(struct intel_overlay *overlay, |
05394f39 | 681 | struct drm_i915_gem_object *new_bo, |
5fe82c5e | 682 | struct put_image_params *params) |
02e792fb DV |
683 | { |
684 | int ret, tmp_width; | |
75020bc1 | 685 | struct overlay_registers __iomem *regs; |
02e792fb | 686 | bool scale_changed = false; |
02e792fb | 687 | struct drm_device *dev = overlay->dev; |
75020bc1 | 688 | u32 swidth, swidthsw, sheight, ostride; |
02e792fb DV |
689 | |
690 | BUG_ON(!mutex_is_locked(&dev->struct_mutex)); | |
51fd371b | 691 | BUG_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
02e792fb DV |
692 | BUG_ON(!overlay); |
693 | ||
02e792fb DV |
694 | ret = intel_overlay_release_old_vid(overlay); |
695 | if (ret != 0) | |
696 | return ret; | |
697 | ||
2da3b9b9 | 698 | ret = i915_gem_object_pin_to_display_plane(new_bo, 0, NULL); |
02e792fb DV |
699 | if (ret != 0) |
700 | return ret; | |
701 | ||
d9e86c0e CW |
702 | ret = i915_gem_object_put_fence(new_bo); |
703 | if (ret) | |
704 | goto out_unpin; | |
705 | ||
02e792fb | 706 | if (!overlay->active) { |
75020bc1 | 707 | u32 oconfig; |
8d74f656 | 708 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
709 | if (!regs) { |
710 | ret = -ENOMEM; | |
711 | goto out_unpin; | |
712 | } | |
75020bc1 | 713 | oconfig = OCONF_CC_OUT_8BIT; |
a6c45cf0 | 714 | if (IS_GEN4(overlay->dev)) |
75020bc1 BW |
715 | oconfig |= OCONF_CSC_MODE_BT709; |
716 | oconfig |= overlay->crtc->pipe == 0 ? | |
02e792fb | 717 | OCONF_PIPE_A : OCONF_PIPE_B; |
75020bc1 | 718 | iowrite32(oconfig, ®s->OCONFIG); |
9bb2ff73 | 719 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb DV |
720 | |
721 | ret = intel_overlay_on(overlay); | |
722 | if (ret != 0) | |
723 | goto out_unpin; | |
724 | } | |
725 | ||
8d74f656 | 726 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
727 | if (!regs) { |
728 | ret = -ENOMEM; | |
729 | goto out_unpin; | |
730 | } | |
731 | ||
75020bc1 BW |
732 | iowrite32((params->dst_y << 16) | params->dst_x, ®s->DWINPOS); |
733 | iowrite32((params->dst_h << 16) | params->dst_w, ®s->DWINSZ); | |
02e792fb DV |
734 | |
735 | if (params->format & I915_OVERLAY_YUV_PACKED) | |
736 | tmp_width = packed_width_bytes(params->format, params->src_w); | |
737 | else | |
738 | tmp_width = params->src_w; | |
739 | ||
75020bc1 BW |
740 | swidth = params->src_w; |
741 | swidthsw = calc_swidthsw(overlay->dev, params->offset_Y, tmp_width); | |
742 | sheight = params->src_h; | |
f343c5f6 | 743 | iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_Y, ®s->OBUF_0Y); |
75020bc1 | 744 | ostride = params->stride_Y; |
02e792fb DV |
745 | |
746 | if (params->format & I915_OVERLAY_YUV_PLANAR) { | |
747 | int uv_hscale = uv_hsubsampling(params->format); | |
748 | int uv_vscale = uv_vsubsampling(params->format); | |
749 | u32 tmp_U, tmp_V; | |
75020bc1 | 750 | swidth |= (params->src_w/uv_hscale) << 16; |
02e792fb | 751 | tmp_U = calc_swidthsw(overlay->dev, params->offset_U, |
722506f0 | 752 | params->src_w/uv_hscale); |
02e792fb | 753 | tmp_V = calc_swidthsw(overlay->dev, params->offset_V, |
722506f0 | 754 | params->src_w/uv_hscale); |
75020bc1 BW |
755 | swidthsw |= max_t(u32, tmp_U, tmp_V) << 16; |
756 | sheight |= (params->src_h/uv_vscale) << 16; | |
f343c5f6 BW |
757 | iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_U, ®s->OBUF_0U); |
758 | iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_V, ®s->OBUF_0V); | |
75020bc1 | 759 | ostride |= params->stride_UV << 16; |
02e792fb DV |
760 | } |
761 | ||
75020bc1 BW |
762 | iowrite32(swidth, ®s->SWIDTH); |
763 | iowrite32(swidthsw, ®s->SWIDTHSW); | |
764 | iowrite32(sheight, ®s->SHEIGHT); | |
765 | iowrite32(ostride, ®s->OSTRIDE); | |
766 | ||
02e792fb DV |
767 | scale_changed = update_scaling_factors(overlay, regs, params); |
768 | ||
769 | update_colorkey(overlay, regs); | |
770 | ||
75020bc1 | 771 | iowrite32(overlay_cmd_reg(params), ®s->OCMD); |
02e792fb | 772 | |
9bb2ff73 | 773 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb | 774 | |
8dc5d147 CW |
775 | ret = intel_overlay_continue(overlay, scale_changed); |
776 | if (ret) | |
777 | goto out_unpin; | |
02e792fb DV |
778 | |
779 | overlay->old_vid_bo = overlay->vid_bo; | |
05394f39 | 780 | overlay->vid_bo = new_bo; |
02e792fb DV |
781 | |
782 | return 0; | |
783 | ||
784 | out_unpin: | |
d7f46fc4 | 785 | i915_gem_object_ggtt_unpin(new_bo); |
02e792fb DV |
786 | return ret; |
787 | } | |
788 | ||
ce453d81 | 789 | int intel_overlay_switch_off(struct intel_overlay *overlay) |
02e792fb | 790 | { |
75020bc1 | 791 | struct overlay_registers __iomem *regs; |
02e792fb | 792 | struct drm_device *dev = overlay->dev; |
5dcdbcb0 | 793 | int ret; |
02e792fb DV |
794 | |
795 | BUG_ON(!mutex_is_locked(&dev->struct_mutex)); | |
51fd371b | 796 | BUG_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
02e792fb | 797 | |
ce453d81 | 798 | ret = intel_overlay_recover_from_interrupt(overlay); |
b303cf95 CW |
799 | if (ret != 0) |
800 | return ret; | |
9bedb974 | 801 | |
02e792fb DV |
802 | if (!overlay->active) |
803 | return 0; | |
804 | ||
02e792fb DV |
805 | ret = intel_overlay_release_old_vid(overlay); |
806 | if (ret != 0) | |
807 | return ret; | |
808 | ||
8d74f656 | 809 | regs = intel_overlay_map_regs(overlay); |
75020bc1 | 810 | iowrite32(0, ®s->OCMD); |
9bb2ff73 | 811 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb | 812 | |
ce453d81 | 813 | ret = intel_overlay_off(overlay); |
03f77ea5 DV |
814 | if (ret != 0) |
815 | return ret; | |
816 | ||
12ca45fe | 817 | intel_overlay_off_tail(overlay); |
02e792fb DV |
818 | return 0; |
819 | } | |
820 | ||
821 | static int check_overlay_possible_on_crtc(struct intel_overlay *overlay, | |
822 | struct intel_crtc *crtc) | |
823 | { | |
f7abfe8b | 824 | if (!crtc->active) |
02e792fb DV |
825 | return -EINVAL; |
826 | ||
02e792fb | 827 | /* can't use the overlay with double wide pipe */ |
4926cb76 | 828 | if (crtc->config.double_wide) |
02e792fb DV |
829 | return -EINVAL; |
830 | ||
831 | return 0; | |
832 | } | |
833 | ||
834 | static void update_pfit_vscale_ratio(struct intel_overlay *overlay) | |
835 | { | |
836 | struct drm_device *dev = overlay->dev; | |
d5d45cc5 | 837 | struct drm_i915_private *dev_priv = dev->dev_private; |
02e792fb | 838 | u32 pfit_control = I915_READ(PFIT_CONTROL); |
446d2183 | 839 | u32 ratio; |
02e792fb DV |
840 | |
841 | /* XXX: This is not the same logic as in the xorg driver, but more in | |
446d2183 CW |
842 | * line with the intel documentation for the i965 |
843 | */ | |
a6c45cf0 | 844 | if (INTEL_INFO(dev)->gen >= 4) { |
0206e353 | 845 | /* on i965 use the PGM reg to read out the autoscaler values */ |
a6c45cf0 CW |
846 | ratio = I915_READ(PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965; |
847 | } else { | |
446d2183 CW |
848 | if (pfit_control & VERT_AUTO_SCALE) |
849 | ratio = I915_READ(PFIT_AUTO_RATIOS); | |
02e792fb | 850 | else |
446d2183 CW |
851 | ratio = I915_READ(PFIT_PGM_RATIOS); |
852 | ratio >>= PFIT_VERT_SCALE_SHIFT; | |
02e792fb DV |
853 | } |
854 | ||
855 | overlay->pfit_vscale_ratio = ratio; | |
856 | } | |
857 | ||
858 | static int check_overlay_dst(struct intel_overlay *overlay, | |
859 | struct drm_intel_overlay_put_image *rec) | |
860 | { | |
861 | struct drm_display_mode *mode = &overlay->crtc->base.mode; | |
862 | ||
75c13993 DV |
863 | if (rec->dst_x < mode->hdisplay && |
864 | rec->dst_x + rec->dst_width <= mode->hdisplay && | |
865 | rec->dst_y < mode->vdisplay && | |
866 | rec->dst_y + rec->dst_height <= mode->vdisplay) | |
02e792fb DV |
867 | return 0; |
868 | else | |
869 | return -EINVAL; | |
870 | } | |
871 | ||
872 | static int check_overlay_scaling(struct put_image_params *rec) | |
873 | { | |
874 | u32 tmp; | |
875 | ||
876 | /* downscaling limit is 8.0 */ | |
877 | tmp = ((rec->src_scan_h << 16) / rec->dst_h) >> 16; | |
878 | if (tmp > 7) | |
879 | return -EINVAL; | |
880 | tmp = ((rec->src_scan_w << 16) / rec->dst_w) >> 16; | |
881 | if (tmp > 7) | |
882 | return -EINVAL; | |
883 | ||
884 | return 0; | |
885 | } | |
886 | ||
887 | static int check_overlay_src(struct drm_device *dev, | |
888 | struct drm_intel_overlay_put_image *rec, | |
05394f39 | 889 | struct drm_i915_gem_object *new_bo) |
02e792fb | 890 | { |
02e792fb DV |
891 | int uv_hscale = uv_hsubsampling(rec->flags); |
892 | int uv_vscale = uv_vsubsampling(rec->flags); | |
8f28f54a DC |
893 | u32 stride_mask; |
894 | int depth; | |
895 | u32 tmp; | |
02e792fb DV |
896 | |
897 | /* check src dimensions */ | |
898 | if (IS_845G(dev) || IS_I830(dev)) { | |
722506f0 | 899 | if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY || |
9f7c3f44 | 900 | rec->src_width > IMAGE_MAX_WIDTH_LEGACY) |
02e792fb DV |
901 | return -EINVAL; |
902 | } else { | |
722506f0 | 903 | if (rec->src_height > IMAGE_MAX_HEIGHT || |
9f7c3f44 | 904 | rec->src_width > IMAGE_MAX_WIDTH) |
02e792fb DV |
905 | return -EINVAL; |
906 | } | |
9f7c3f44 | 907 | |
02e792fb | 908 | /* better safe than sorry, use 4 as the maximal subsampling ratio */ |
722506f0 | 909 | if (rec->src_height < N_VERT_Y_TAPS*4 || |
9f7c3f44 | 910 | rec->src_width < N_HORIZ_Y_TAPS*4) |
02e792fb DV |
911 | return -EINVAL; |
912 | ||
a1efd14a | 913 | /* check alignment constraints */ |
02e792fb | 914 | switch (rec->flags & I915_OVERLAY_TYPE_MASK) { |
722506f0 CW |
915 | case I915_OVERLAY_RGB: |
916 | /* not implemented */ | |
917 | return -EINVAL; | |
9f7c3f44 | 918 | |
722506f0 | 919 | case I915_OVERLAY_YUV_PACKED: |
722506f0 | 920 | if (uv_vscale != 1) |
02e792fb | 921 | return -EINVAL; |
9f7c3f44 CW |
922 | |
923 | depth = packed_depth_bytes(rec->flags); | |
722506f0 CW |
924 | if (depth < 0) |
925 | return depth; | |
9f7c3f44 | 926 | |
722506f0 CW |
927 | /* ignore UV planes */ |
928 | rec->stride_UV = 0; | |
929 | rec->offset_U = 0; | |
930 | rec->offset_V = 0; | |
931 | /* check pixel alignment */ | |
932 | if (rec->offset_Y % depth) | |
933 | return -EINVAL; | |
934 | break; | |
9f7c3f44 | 935 | |
722506f0 CW |
936 | case I915_OVERLAY_YUV_PLANAR: |
937 | if (uv_vscale < 0 || uv_hscale < 0) | |
02e792fb | 938 | return -EINVAL; |
722506f0 CW |
939 | /* no offset restrictions for planar formats */ |
940 | break; | |
9f7c3f44 | 941 | |
722506f0 CW |
942 | default: |
943 | return -EINVAL; | |
02e792fb DV |
944 | } |
945 | ||
946 | if (rec->src_width % uv_hscale) | |
947 | return -EINVAL; | |
948 | ||
949 | /* stride checking */ | |
a1efd14a CW |
950 | if (IS_I830(dev) || IS_845G(dev)) |
951 | stride_mask = 255; | |
952 | else | |
953 | stride_mask = 63; | |
02e792fb DV |
954 | |
955 | if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask) | |
956 | return -EINVAL; | |
a6c45cf0 | 957 | if (IS_GEN4(dev) && rec->stride_Y < 512) |
02e792fb DV |
958 | return -EINVAL; |
959 | ||
960 | tmp = (rec->flags & I915_OVERLAY_TYPE_MASK) == I915_OVERLAY_YUV_PLANAR ? | |
9f7c3f44 CW |
961 | 4096 : 8192; |
962 | if (rec->stride_Y > tmp || rec->stride_UV > 2*1024) | |
02e792fb DV |
963 | return -EINVAL; |
964 | ||
965 | /* check buffer dimensions */ | |
966 | switch (rec->flags & I915_OVERLAY_TYPE_MASK) { | |
722506f0 CW |
967 | case I915_OVERLAY_RGB: |
968 | case I915_OVERLAY_YUV_PACKED: | |
969 | /* always 4 Y values per depth pixels */ | |
970 | if (packed_width_bytes(rec->flags, rec->src_width) > rec->stride_Y) | |
971 | return -EINVAL; | |
972 | ||
973 | tmp = rec->stride_Y*rec->src_height; | |
05394f39 | 974 | if (rec->offset_Y + tmp > new_bo->base.size) |
722506f0 CW |
975 | return -EINVAL; |
976 | break; | |
977 | ||
978 | case I915_OVERLAY_YUV_PLANAR: | |
979 | if (rec->src_width > rec->stride_Y) | |
980 | return -EINVAL; | |
981 | if (rec->src_width/uv_hscale > rec->stride_UV) | |
982 | return -EINVAL; | |
983 | ||
9f7c3f44 | 984 | tmp = rec->stride_Y * rec->src_height; |
05394f39 | 985 | if (rec->offset_Y + tmp > new_bo->base.size) |
722506f0 | 986 | return -EINVAL; |
9f7c3f44 CW |
987 | |
988 | tmp = rec->stride_UV * (rec->src_height / uv_vscale); | |
05394f39 CW |
989 | if (rec->offset_U + tmp > new_bo->base.size || |
990 | rec->offset_V + tmp > new_bo->base.size) | |
722506f0 CW |
991 | return -EINVAL; |
992 | break; | |
02e792fb DV |
993 | } |
994 | ||
995 | return 0; | |
996 | } | |
997 | ||
e9e331a8 CW |
998 | /** |
999 | * Return the pipe currently connected to the panel fitter, | |
1000 | * or -1 if the panel fitter is not present or not in use | |
1001 | */ | |
1002 | static int intel_panel_fitter_pipe(struct drm_device *dev) | |
1003 | { | |
1004 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1005 | u32 pfit_control; | |
1006 | ||
1007 | /* i830 doesn't have a panel fitter */ | |
dc9e7dec | 1008 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
e9e331a8 CW |
1009 | return -1; |
1010 | ||
1011 | pfit_control = I915_READ(PFIT_CONTROL); | |
1012 | ||
1013 | /* See if the panel fitter is in use */ | |
1014 | if ((pfit_control & PFIT_ENABLE) == 0) | |
1015 | return -1; | |
1016 | ||
1017 | /* 965 can place panel fitter on either pipe */ | |
a6c45cf0 | 1018 | if (IS_GEN4(dev)) |
e9e331a8 CW |
1019 | return (pfit_control >> 29) & 0x3; |
1020 | ||
1021 | /* older chips can only use pipe 1 */ | |
1022 | return 1; | |
1023 | } | |
1024 | ||
02e792fb | 1025 | int intel_overlay_put_image(struct drm_device *dev, void *data, |
0206e353 | 1026 | struct drm_file *file_priv) |
02e792fb DV |
1027 | { |
1028 | struct drm_intel_overlay_put_image *put_image_rec = data; | |
d5d45cc5 | 1029 | struct drm_i915_private *dev_priv = dev->dev_private; |
02e792fb DV |
1030 | struct intel_overlay *overlay; |
1031 | struct drm_mode_object *drmmode_obj; | |
1032 | struct intel_crtc *crtc; | |
05394f39 | 1033 | struct drm_i915_gem_object *new_bo; |
02e792fb DV |
1034 | struct put_image_params *params; |
1035 | int ret; | |
1036 | ||
1cff8f6b | 1037 | /* No need to check for DRIVER_MODESET - we don't set it up then. */ |
02e792fb DV |
1038 | overlay = dev_priv->overlay; |
1039 | if (!overlay) { | |
1040 | DRM_DEBUG("userspace bug: no overlay\n"); | |
1041 | return -ENODEV; | |
1042 | } | |
1043 | ||
1044 | if (!(put_image_rec->flags & I915_OVERLAY_ENABLE)) { | |
a0e99e68 | 1045 | drm_modeset_lock_all(dev); |
02e792fb DV |
1046 | mutex_lock(&dev->struct_mutex); |
1047 | ||
ce453d81 | 1048 | ret = intel_overlay_switch_off(overlay); |
02e792fb DV |
1049 | |
1050 | mutex_unlock(&dev->struct_mutex); | |
a0e99e68 | 1051 | drm_modeset_unlock_all(dev); |
02e792fb DV |
1052 | |
1053 | return ret; | |
1054 | } | |
1055 | ||
b14c5679 | 1056 | params = kmalloc(sizeof(*params), GFP_KERNEL); |
02e792fb DV |
1057 | if (!params) |
1058 | return -ENOMEM; | |
1059 | ||
1060 | drmmode_obj = drm_mode_object_find(dev, put_image_rec->crtc_id, | |
722506f0 | 1061 | DRM_MODE_OBJECT_CRTC); |
915a428e DC |
1062 | if (!drmmode_obj) { |
1063 | ret = -ENOENT; | |
1064 | goto out_free; | |
1065 | } | |
02e792fb DV |
1066 | crtc = to_intel_crtc(obj_to_crtc(drmmode_obj)); |
1067 | ||
05394f39 CW |
1068 | new_bo = to_intel_bo(drm_gem_object_lookup(dev, file_priv, |
1069 | put_image_rec->bo_handle)); | |
c8725226 | 1070 | if (&new_bo->base == NULL) { |
915a428e DC |
1071 | ret = -ENOENT; |
1072 | goto out_free; | |
1073 | } | |
02e792fb | 1074 | |
a0e99e68 | 1075 | drm_modeset_lock_all(dev); |
02e792fb DV |
1076 | mutex_lock(&dev->struct_mutex); |
1077 | ||
d9e86c0e | 1078 | if (new_bo->tiling_mode) { |
3b25b31f | 1079 | DRM_DEBUG_KMS("buffer used for overlay image can not be tiled\n"); |
d9e86c0e CW |
1080 | ret = -EINVAL; |
1081 | goto out_unlock; | |
1082 | } | |
1083 | ||
ce453d81 | 1084 | ret = intel_overlay_recover_from_interrupt(overlay); |
b303cf95 CW |
1085 | if (ret != 0) |
1086 | goto out_unlock; | |
03f77ea5 | 1087 | |
02e792fb DV |
1088 | if (overlay->crtc != crtc) { |
1089 | struct drm_display_mode *mode = &crtc->base.mode; | |
ce453d81 | 1090 | ret = intel_overlay_switch_off(overlay); |
02e792fb DV |
1091 | if (ret != 0) |
1092 | goto out_unlock; | |
1093 | ||
1094 | ret = check_overlay_possible_on_crtc(overlay, crtc); | |
1095 | if (ret != 0) | |
1096 | goto out_unlock; | |
1097 | ||
1098 | overlay->crtc = crtc; | |
1099 | crtc->overlay = overlay; | |
1100 | ||
e9e331a8 CW |
1101 | /* line too wide, i.e. one-line-mode */ |
1102 | if (mode->hdisplay > 1024 && | |
1103 | intel_panel_fitter_pipe(dev) == crtc->pipe) { | |
02e792fb DV |
1104 | overlay->pfit_active = 1; |
1105 | update_pfit_vscale_ratio(overlay); | |
1106 | } else | |
1107 | overlay->pfit_active = 0; | |
1108 | } | |
1109 | ||
1110 | ret = check_overlay_dst(overlay, put_image_rec); | |
1111 | if (ret != 0) | |
1112 | goto out_unlock; | |
1113 | ||
1114 | if (overlay->pfit_active) { | |
1115 | params->dst_y = ((((u32)put_image_rec->dst_y) << 12) / | |
722506f0 | 1116 | overlay->pfit_vscale_ratio); |
02e792fb DV |
1117 | /* shifting right rounds downwards, so add 1 */ |
1118 | params->dst_h = ((((u32)put_image_rec->dst_height) << 12) / | |
722506f0 | 1119 | overlay->pfit_vscale_ratio) + 1; |
02e792fb DV |
1120 | } else { |
1121 | params->dst_y = put_image_rec->dst_y; | |
1122 | params->dst_h = put_image_rec->dst_height; | |
1123 | } | |
1124 | params->dst_x = put_image_rec->dst_x; | |
1125 | params->dst_w = put_image_rec->dst_width; | |
1126 | ||
1127 | params->src_w = put_image_rec->src_width; | |
1128 | params->src_h = put_image_rec->src_height; | |
1129 | params->src_scan_w = put_image_rec->src_scan_width; | |
1130 | params->src_scan_h = put_image_rec->src_scan_height; | |
722506f0 CW |
1131 | if (params->src_scan_h > params->src_h || |
1132 | params->src_scan_w > params->src_w) { | |
02e792fb DV |
1133 | ret = -EINVAL; |
1134 | goto out_unlock; | |
1135 | } | |
1136 | ||
1137 | ret = check_overlay_src(dev, put_image_rec, new_bo); | |
1138 | if (ret != 0) | |
1139 | goto out_unlock; | |
1140 | params->format = put_image_rec->flags & ~I915_OVERLAY_FLAGS_MASK; | |
1141 | params->stride_Y = put_image_rec->stride_Y; | |
1142 | params->stride_UV = put_image_rec->stride_UV; | |
1143 | params->offset_Y = put_image_rec->offset_Y; | |
1144 | params->offset_U = put_image_rec->offset_U; | |
1145 | params->offset_V = put_image_rec->offset_V; | |
1146 | ||
1147 | /* Check scaling after src size to prevent a divide-by-zero. */ | |
1148 | ret = check_overlay_scaling(params); | |
1149 | if (ret != 0) | |
1150 | goto out_unlock; | |
1151 | ||
1152 | ret = intel_overlay_do_put_image(overlay, new_bo, params); | |
1153 | if (ret != 0) | |
1154 | goto out_unlock; | |
1155 | ||
1156 | mutex_unlock(&dev->struct_mutex); | |
a0e99e68 | 1157 | drm_modeset_unlock_all(dev); |
02e792fb DV |
1158 | |
1159 | kfree(params); | |
1160 | ||
1161 | return 0; | |
1162 | ||
1163 | out_unlock: | |
1164 | mutex_unlock(&dev->struct_mutex); | |
a0e99e68 | 1165 | drm_modeset_unlock_all(dev); |
05394f39 | 1166 | drm_gem_object_unreference_unlocked(&new_bo->base); |
915a428e | 1167 | out_free: |
02e792fb DV |
1168 | kfree(params); |
1169 | ||
1170 | return ret; | |
1171 | } | |
1172 | ||
1173 | static void update_reg_attrs(struct intel_overlay *overlay, | |
75020bc1 | 1174 | struct overlay_registers __iomem *regs) |
02e792fb | 1175 | { |
75020bc1 BW |
1176 | iowrite32((overlay->contrast << 18) | (overlay->brightness & 0xff), |
1177 | ®s->OCLRC0); | |
1178 | iowrite32(overlay->saturation, ®s->OCLRC1); | |
02e792fb DV |
1179 | } |
1180 | ||
1181 | static bool check_gamma_bounds(u32 gamma1, u32 gamma2) | |
1182 | { | |
1183 | int i; | |
1184 | ||
1185 | if (gamma1 & 0xff000000 || gamma2 & 0xff000000) | |
1186 | return false; | |
1187 | ||
1188 | for (i = 0; i < 3; i++) { | |
722506f0 | 1189 | if (((gamma1 >> i*8) & 0xff) >= ((gamma2 >> i*8) & 0xff)) |
02e792fb DV |
1190 | return false; |
1191 | } | |
1192 | ||
1193 | return true; | |
1194 | } | |
1195 | ||
1196 | static bool check_gamma5_errata(u32 gamma5) | |
1197 | { | |
1198 | int i; | |
1199 | ||
1200 | for (i = 0; i < 3; i++) { | |
1201 | if (((gamma5 >> i*8) & 0xff) == 0x80) | |
1202 | return false; | |
1203 | } | |
1204 | ||
1205 | return true; | |
1206 | } | |
1207 | ||
1208 | static int check_gamma(struct drm_intel_overlay_attrs *attrs) | |
1209 | { | |
722506f0 CW |
1210 | if (!check_gamma_bounds(0, attrs->gamma0) || |
1211 | !check_gamma_bounds(attrs->gamma0, attrs->gamma1) || | |
1212 | !check_gamma_bounds(attrs->gamma1, attrs->gamma2) || | |
1213 | !check_gamma_bounds(attrs->gamma2, attrs->gamma3) || | |
1214 | !check_gamma_bounds(attrs->gamma3, attrs->gamma4) || | |
1215 | !check_gamma_bounds(attrs->gamma4, attrs->gamma5) || | |
1216 | !check_gamma_bounds(attrs->gamma5, 0x00ffffff)) | |
02e792fb | 1217 | return -EINVAL; |
722506f0 | 1218 | |
02e792fb DV |
1219 | if (!check_gamma5_errata(attrs->gamma5)) |
1220 | return -EINVAL; | |
722506f0 | 1221 | |
02e792fb DV |
1222 | return 0; |
1223 | } | |
1224 | ||
1225 | int intel_overlay_attrs(struct drm_device *dev, void *data, | |
0206e353 | 1226 | struct drm_file *file_priv) |
02e792fb DV |
1227 | { |
1228 | struct drm_intel_overlay_attrs *attrs = data; | |
d5d45cc5 | 1229 | struct drm_i915_private *dev_priv = dev->dev_private; |
02e792fb | 1230 | struct intel_overlay *overlay; |
75020bc1 | 1231 | struct overlay_registers __iomem *regs; |
02e792fb DV |
1232 | int ret; |
1233 | ||
1cff8f6b | 1234 | /* No need to check for DRIVER_MODESET - we don't set it up then. */ |
02e792fb DV |
1235 | overlay = dev_priv->overlay; |
1236 | if (!overlay) { | |
1237 | DRM_DEBUG("userspace bug: no overlay\n"); | |
1238 | return -ENODEV; | |
1239 | } | |
1240 | ||
a0e99e68 | 1241 | drm_modeset_lock_all(dev); |
02e792fb DV |
1242 | mutex_lock(&dev->struct_mutex); |
1243 | ||
60fc332c | 1244 | ret = -EINVAL; |
02e792fb | 1245 | if (!(attrs->flags & I915_OVERLAY_UPDATE_ATTRS)) { |
60fc332c | 1246 | attrs->color_key = overlay->color_key; |
02e792fb | 1247 | attrs->brightness = overlay->brightness; |
60fc332c | 1248 | attrs->contrast = overlay->contrast; |
02e792fb DV |
1249 | attrs->saturation = overlay->saturation; |
1250 | ||
a6c45cf0 | 1251 | if (!IS_GEN2(dev)) { |
02e792fb DV |
1252 | attrs->gamma0 = I915_READ(OGAMC0); |
1253 | attrs->gamma1 = I915_READ(OGAMC1); | |
1254 | attrs->gamma2 = I915_READ(OGAMC2); | |
1255 | attrs->gamma3 = I915_READ(OGAMC3); | |
1256 | attrs->gamma4 = I915_READ(OGAMC4); | |
1257 | attrs->gamma5 = I915_READ(OGAMC5); | |
1258 | } | |
02e792fb | 1259 | } else { |
60fc332c | 1260 | if (attrs->brightness < -128 || attrs->brightness > 127) |
02e792fb | 1261 | goto out_unlock; |
60fc332c | 1262 | if (attrs->contrast > 255) |
02e792fb | 1263 | goto out_unlock; |
60fc332c | 1264 | if (attrs->saturation > 1023) |
02e792fb | 1265 | goto out_unlock; |
02e792fb | 1266 | |
60fc332c CW |
1267 | overlay->color_key = attrs->color_key; |
1268 | overlay->brightness = attrs->brightness; | |
1269 | overlay->contrast = attrs->contrast; | |
1270 | overlay->saturation = attrs->saturation; | |
02e792fb | 1271 | |
8d74f656 | 1272 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
1273 | if (!regs) { |
1274 | ret = -ENOMEM; | |
1275 | goto out_unlock; | |
1276 | } | |
1277 | ||
1278 | update_reg_attrs(overlay, regs); | |
1279 | ||
9bb2ff73 | 1280 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb DV |
1281 | |
1282 | if (attrs->flags & I915_OVERLAY_UPDATE_GAMMA) { | |
a6c45cf0 | 1283 | if (IS_GEN2(dev)) |
02e792fb | 1284 | goto out_unlock; |
02e792fb DV |
1285 | |
1286 | if (overlay->active) { | |
1287 | ret = -EBUSY; | |
1288 | goto out_unlock; | |
1289 | } | |
1290 | ||
1291 | ret = check_gamma(attrs); | |
60fc332c | 1292 | if (ret) |
02e792fb DV |
1293 | goto out_unlock; |
1294 | ||
1295 | I915_WRITE(OGAMC0, attrs->gamma0); | |
1296 | I915_WRITE(OGAMC1, attrs->gamma1); | |
1297 | I915_WRITE(OGAMC2, attrs->gamma2); | |
1298 | I915_WRITE(OGAMC3, attrs->gamma3); | |
1299 | I915_WRITE(OGAMC4, attrs->gamma4); | |
1300 | I915_WRITE(OGAMC5, attrs->gamma5); | |
1301 | } | |
02e792fb DV |
1302 | } |
1303 | ||
60fc332c | 1304 | ret = 0; |
02e792fb DV |
1305 | out_unlock: |
1306 | mutex_unlock(&dev->struct_mutex); | |
a0e99e68 | 1307 | drm_modeset_unlock_all(dev); |
02e792fb DV |
1308 | |
1309 | return ret; | |
1310 | } | |
1311 | ||
1312 | void intel_setup_overlay(struct drm_device *dev) | |
1313 | { | |
d5d45cc5 | 1314 | struct drm_i915_private *dev_priv = dev->dev_private; |
02e792fb | 1315 | struct intel_overlay *overlay; |
05394f39 | 1316 | struct drm_i915_gem_object *reg_bo; |
75020bc1 | 1317 | struct overlay_registers __iomem *regs; |
02e792fb DV |
1318 | int ret; |
1319 | ||
31578148 | 1320 | if (!HAS_OVERLAY(dev)) |
02e792fb DV |
1321 | return; |
1322 | ||
b14c5679 | 1323 | overlay = kzalloc(sizeof(*overlay), GFP_KERNEL); |
02e792fb DV |
1324 | if (!overlay) |
1325 | return; | |
79d24273 CW |
1326 | |
1327 | mutex_lock(&dev->struct_mutex); | |
1328 | if (WARN_ON(dev_priv->overlay)) | |
1329 | goto out_free; | |
1330 | ||
02e792fb DV |
1331 | overlay->dev = dev; |
1332 | ||
f63a484c DV |
1333 | reg_bo = NULL; |
1334 | if (!OVERLAY_NEEDS_PHYSICAL(dev)) | |
1335 | reg_bo = i915_gem_object_create_stolen(dev, PAGE_SIZE); | |
80405138 CW |
1336 | if (reg_bo == NULL) |
1337 | reg_bo = i915_gem_alloc_object(dev, PAGE_SIZE); | |
1338 | if (reg_bo == NULL) | |
02e792fb | 1339 | goto out_free; |
05394f39 | 1340 | overlay->reg_bo = reg_bo; |
02e792fb | 1341 | |
31578148 | 1342 | if (OVERLAY_NEEDS_PHYSICAL(dev)) { |
00731155 | 1343 | ret = i915_gem_object_attach_phys(reg_bo, PAGE_SIZE); |
0206e353 AJ |
1344 | if (ret) { |
1345 | DRM_ERROR("failed to attach phys overlay regs\n"); | |
1346 | goto out_free_bo; | |
1347 | } | |
00731155 | 1348 | overlay->flip_addr = reg_bo->phys_handle->busaddr; |
31578148 | 1349 | } else { |
1ec9e26d | 1350 | ret = i915_gem_obj_ggtt_pin(reg_bo, PAGE_SIZE, PIN_MAPPABLE); |
02e792fb | 1351 | if (ret) { |
0206e353 AJ |
1352 | DRM_ERROR("failed to pin overlay register bo\n"); |
1353 | goto out_free_bo; | |
1354 | } | |
f343c5f6 | 1355 | overlay->flip_addr = i915_gem_obj_ggtt_offset(reg_bo); |
0ddc1289 CW |
1356 | |
1357 | ret = i915_gem_object_set_to_gtt_domain(reg_bo, true); | |
1358 | if (ret) { | |
0206e353 AJ |
1359 | DRM_ERROR("failed to move overlay register bo into the GTT\n"); |
1360 | goto out_unpin_bo; | |
1361 | } | |
02e792fb DV |
1362 | } |
1363 | ||
1364 | /* init all values */ | |
1365 | overlay->color_key = 0x0101fe; | |
1366 | overlay->brightness = -19; | |
1367 | overlay->contrast = 75; | |
1368 | overlay->saturation = 146; | |
1369 | ||
8d74f656 | 1370 | regs = intel_overlay_map_regs(overlay); |
02e792fb | 1371 | if (!regs) |
79d24273 | 1372 | goto out_unpin_bo; |
02e792fb | 1373 | |
75020bc1 | 1374 | memset_io(regs, 0, sizeof(struct overlay_registers)); |
02e792fb | 1375 | update_polyphase_filter(regs); |
02e792fb DV |
1376 | update_reg_attrs(overlay, regs); |
1377 | ||
9bb2ff73 | 1378 | intel_overlay_unmap_regs(overlay, regs); |
02e792fb DV |
1379 | |
1380 | dev_priv->overlay = overlay; | |
79d24273 | 1381 | mutex_unlock(&dev->struct_mutex); |
02e792fb DV |
1382 | DRM_INFO("initialized overlay support\n"); |
1383 | return; | |
1384 | ||
0ddc1289 | 1385 | out_unpin_bo: |
79d24273 | 1386 | if (!OVERLAY_NEEDS_PHYSICAL(dev)) |
d7f46fc4 | 1387 | i915_gem_object_ggtt_unpin(reg_bo); |
02e792fb | 1388 | out_free_bo: |
05394f39 | 1389 | drm_gem_object_unreference(®_bo->base); |
02e792fb | 1390 | out_free: |
79d24273 | 1391 | mutex_unlock(&dev->struct_mutex); |
02e792fb DV |
1392 | kfree(overlay); |
1393 | return; | |
1394 | } | |
1395 | ||
1396 | void intel_cleanup_overlay(struct drm_device *dev) | |
1397 | { | |
d5d45cc5 | 1398 | struct drm_i915_private *dev_priv = dev->dev_private; |
02e792fb | 1399 | |
62cf4e6f CW |
1400 | if (!dev_priv->overlay) |
1401 | return; | |
02e792fb | 1402 | |
62cf4e6f CW |
1403 | /* The bo's should be free'd by the generic code already. |
1404 | * Furthermore modesetting teardown happens beforehand so the | |
1405 | * hardware should be off already */ | |
1406 | BUG_ON(dev_priv->overlay->active); | |
1407 | ||
1408 | drm_gem_object_unreference_unlocked(&dev_priv->overlay->reg_bo->base); | |
1409 | kfree(dev_priv->overlay); | |
02e792fb | 1410 | } |
6ef3d427 CW |
1411 | |
1412 | struct intel_overlay_error_state { | |
1413 | struct overlay_registers regs; | |
1414 | unsigned long base; | |
1415 | u32 dovsta; | |
1416 | u32 isr; | |
1417 | }; | |
1418 | ||
75020bc1 | 1419 | static struct overlay_registers __iomem * |
c48c43e4 | 1420 | intel_overlay_map_regs_atomic(struct intel_overlay *overlay) |
3bd3c932 | 1421 | { |
d5d45cc5 | 1422 | struct drm_i915_private *dev_priv = overlay->dev->dev_private; |
75020bc1 | 1423 | struct overlay_registers __iomem *regs; |
3bd3c932 CW |
1424 | |
1425 | if (OVERLAY_NEEDS_PHYSICAL(overlay->dev)) | |
75020bc1 BW |
1426 | /* Cast to make sparse happy, but it's wc memory anyway, so |
1427 | * equivalent to the wc io mapping on X86. */ | |
1428 | regs = (struct overlay_registers __iomem *) | |
00731155 | 1429 | overlay->reg_bo->phys_handle->vaddr; |
3bd3c932 | 1430 | else |
5d4545ae | 1431 | regs = io_mapping_map_atomic_wc(dev_priv->gtt.mappable, |
f343c5f6 | 1432 | i915_gem_obj_ggtt_offset(overlay->reg_bo)); |
3bd3c932 CW |
1433 | |
1434 | return regs; | |
1435 | } | |
1436 | ||
1437 | static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay, | |
75020bc1 | 1438 | struct overlay_registers __iomem *regs) |
3bd3c932 CW |
1439 | { |
1440 | if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev)) | |
c48c43e4 | 1441 | io_mapping_unmap_atomic(regs); |
3bd3c932 CW |
1442 | } |
1443 | ||
1444 | ||
6ef3d427 CW |
1445 | struct intel_overlay_error_state * |
1446 | intel_overlay_capture_error_state(struct drm_device *dev) | |
1447 | { | |
d5d45cc5 | 1448 | struct drm_i915_private *dev_priv = dev->dev_private; |
6ef3d427 CW |
1449 | struct intel_overlay *overlay = dev_priv->overlay; |
1450 | struct intel_overlay_error_state *error; | |
1451 | struct overlay_registers __iomem *regs; | |
1452 | ||
1453 | if (!overlay || !overlay->active) | |
1454 | return NULL; | |
1455 | ||
1456 | error = kmalloc(sizeof(*error), GFP_ATOMIC); | |
1457 | if (error == NULL) | |
1458 | return NULL; | |
1459 | ||
1460 | error->dovsta = I915_READ(DOVSTA); | |
1461 | error->isr = I915_READ(ISR); | |
31578148 | 1462 | if (OVERLAY_NEEDS_PHYSICAL(overlay->dev)) |
00731155 | 1463 | error->base = (__force long)overlay->reg_bo->phys_handle->vaddr; |
31578148 | 1464 | else |
f343c5f6 | 1465 | error->base = i915_gem_obj_ggtt_offset(overlay->reg_bo); |
6ef3d427 CW |
1466 | |
1467 | regs = intel_overlay_map_regs_atomic(overlay); | |
1468 | if (!regs) | |
1469 | goto err; | |
1470 | ||
1471 | memcpy_fromio(&error->regs, regs, sizeof(struct overlay_registers)); | |
c48c43e4 | 1472 | intel_overlay_unmap_regs_atomic(overlay, regs); |
6ef3d427 CW |
1473 | |
1474 | return error; | |
1475 | ||
1476 | err: | |
1477 | kfree(error); | |
1478 | return NULL; | |
1479 | } | |
1480 | ||
1481 | void | |
edc3d884 MK |
1482 | intel_overlay_print_error_state(struct drm_i915_error_state_buf *m, |
1483 | struct intel_overlay_error_state *error) | |
6ef3d427 | 1484 | { |
edc3d884 MK |
1485 | i915_error_printf(m, "Overlay, status: 0x%08x, interrupt: 0x%08x\n", |
1486 | error->dovsta, error->isr); | |
1487 | i915_error_printf(m, " Register file at 0x%08lx:\n", | |
1488 | error->base); | |
6ef3d427 | 1489 | |
edc3d884 | 1490 | #define P(x) i915_error_printf(m, " " #x ": 0x%08x\n", error->regs.x) |
6ef3d427 CW |
1491 | P(OBUF_0Y); |
1492 | P(OBUF_1Y); | |
1493 | P(OBUF_0U); | |
1494 | P(OBUF_0V); | |
1495 | P(OBUF_1U); | |
1496 | P(OBUF_1V); | |
1497 | P(OSTRIDE); | |
1498 | P(YRGB_VPH); | |
1499 | P(UV_VPH); | |
1500 | P(HORZ_PH); | |
1501 | P(INIT_PHS); | |
1502 | P(DWINPOS); | |
1503 | P(DWINSZ); | |
1504 | P(SWIDTH); | |
1505 | P(SWIDTHSW); | |
1506 | P(SHEIGHT); | |
1507 | P(YRGBSCALE); | |
1508 | P(UVSCALE); | |
1509 | P(OCLRC0); | |
1510 | P(OCLRC1); | |
1511 | P(DCLRKV); | |
1512 | P(DCLRKM); | |
1513 | P(SCLRKVH); | |
1514 | P(SCLRKVL); | |
1515 | P(SCLRKEN); | |
1516 | P(OCONFIG); | |
1517 | P(OCMD); | |
1518 | P(OSTART_0Y); | |
1519 | P(OSTART_1Y); | |
1520 | P(OSTART_0U); | |
1521 | P(OSTART_0V); | |
1522 | P(OSTART_1U); | |
1523 | P(OSTART_1V); | |
1524 | P(OTILEOFF_0Y); | |
1525 | P(OTILEOFF_1Y); | |
1526 | P(OTILEOFF_0U); | |
1527 | P(OTILEOFF_0V); | |
1528 | P(OTILEOFF_1U); | |
1529 | P(OTILEOFF_1V); | |
1530 | P(FASTHSCALE); | |
1531 | P(UVSCALEV); | |
1532 | #undef P | |
1533 | } |