Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Ilia Mirkin |
| 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 shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 18 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| 19 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 20 | * SOFTWARE. |
| 21 | * |
| 22 | * Implementation based on the pre-KMS implementation in xf86-video-nouveau, |
| 23 | * written by Arthur Huillet. |
| 24 | */ |
| 25 | |
| 26 | #include <drm/drmP.h> |
| 27 | #include <drm/drm_crtc.h> |
| 28 | #include <drm/drm_fourcc.h> |
| 29 | |
| 30 | #include "nouveau_drm.h" |
| 31 | |
| 32 | #include "nouveau_bo.h" |
| 33 | #include "nouveau_connector.h" |
| 34 | #include "nouveau_display.h" |
| 35 | #include "nvreg.h" |
| 36 | |
| 37 | |
| 38 | struct nouveau_plane { |
| 39 | struct drm_plane base; |
| 40 | bool flip; |
| 41 | struct nouveau_bo *cur; |
| 42 | |
| 43 | struct { |
| 44 | struct drm_property *colorkey; |
| 45 | struct drm_property *contrast; |
| 46 | struct drm_property *brightness; |
| 47 | struct drm_property *hue; |
| 48 | struct drm_property *saturation; |
| 49 | struct drm_property *iturbt_709; |
| 50 | } props; |
| 51 | |
| 52 | int colorkey; |
| 53 | int contrast; |
| 54 | int brightness; |
| 55 | int hue; |
| 56 | int saturation; |
| 57 | int iturbt_709; |
| 58 | }; |
| 59 | |
| 60 | static uint32_t formats[] = { |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 61 | DRM_FORMAT_UYVY, |
Ilia Mirkin | efffa98 | 2013-11-15 11:26:43 -0500 | [diff] [blame] | 62 | DRM_FORMAT_NV12, |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 63 | }; |
| 64 | |
| 65 | /* Sine can be approximated with |
| 66 | * http://en.wikipedia.org/wiki/Bhaskara_I's_sine_approximation_formula |
| 67 | * sin(x degrees) ~= 4 x (180 - x) / (40500 - x (180 - x) ) |
| 68 | * Note that this only works for the range [0, 180]. |
| 69 | * Also note that sin(x) == -sin(x - 180) |
| 70 | */ |
| 71 | static inline int |
| 72 | sin_mul(int degrees, int factor) |
| 73 | { |
| 74 | if (degrees > 180) { |
| 75 | degrees -= 180; |
| 76 | factor *= -1; |
| 77 | } |
| 78 | return factor * 4 * degrees * (180 - degrees) / |
| 79 | (40500 - degrees * (180 - degrees)); |
| 80 | } |
| 81 | |
| 82 | /* cos(x) = sin(x + 90) */ |
| 83 | static inline int |
| 84 | cos_mul(int degrees, int factor) |
| 85 | { |
| 86 | return sin_mul((degrees + 90) % 360, factor); |
| 87 | } |
| 88 | |
| 89 | static int |
| 90 | nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, |
| 91 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, |
| 92 | unsigned int crtc_w, unsigned int crtc_h, |
| 93 | uint32_t src_x, uint32_t src_y, |
| 94 | uint32_t src_w, uint32_t src_h) |
| 95 | { |
| 96 | struct nouveau_device *dev = nouveau_dev(plane->dev); |
| 97 | struct nouveau_plane *nv_plane = (struct nouveau_plane *)plane; |
| 98 | struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb); |
| 99 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
| 100 | struct nouveau_bo *cur = nv_plane->cur; |
| 101 | bool flip = nv_plane->flip; |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 102 | int soff = NV_PCRTC0_SIZE * nv_crtc->index; |
| 103 | int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index; |
Ilia Mirkin | 92e5b0a | 2013-11-15 11:26:41 -0500 | [diff] [blame] | 104 | int format, ret; |
| 105 | |
| 106 | /* Source parameters given in 16.16 fixed point, ignore fractional. */ |
| 107 | src_x >>= 16; |
| 108 | src_y >>= 16; |
| 109 | src_w >>= 16; |
| 110 | src_h >>= 16; |
| 111 | |
| 112 | format = ALIGN(src_w * 4, 0x100); |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 113 | |
| 114 | if (format > 0xffff) |
Ilia Mirkin | 050828e | 2013-11-15 11:26:42 -0500 | [diff] [blame] | 115 | return -ERANGE; |
| 116 | |
| 117 | if (dev->chipset >= 0x30) { |
| 118 | if (crtc_w < (src_w >> 1) || crtc_h < (src_h >> 1)) |
| 119 | return -ERANGE; |
| 120 | } else { |
| 121 | if (crtc_w < (src_w >> 3) || crtc_h < (src_h >> 3)) |
| 122 | return -ERANGE; |
| 123 | } |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 124 | |
| 125 | ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM); |
| 126 | if (ret) |
| 127 | return ret; |
| 128 | |
| 129 | nv_plane->cur = nv_fb->nvbo; |
| 130 | |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 131 | nv_mask(dev, NV_PCRTC_ENGINE_CTRL + soff, NV_CRTC_FSEL_OVERLAY, NV_CRTC_FSEL_OVERLAY); |
| 132 | nv_mask(dev, NV_PCRTC_ENGINE_CTRL + soff2, NV_CRTC_FSEL_OVERLAY, 0); |
| 133 | |
| 134 | nv_wr32(dev, NV_PVIDEO_BASE(flip), 0); |
| 135 | nv_wr32(dev, NV_PVIDEO_OFFSET_BUFF(flip), nv_fb->nvbo->bo.offset); |
| 136 | nv_wr32(dev, NV_PVIDEO_SIZE_IN(flip), src_h << 16 | src_w); |
| 137 | nv_wr32(dev, NV_PVIDEO_POINT_IN(flip), src_y << 16 | src_x); |
| 138 | nv_wr32(dev, NV_PVIDEO_DS_DX(flip), (src_w << 20) / crtc_w); |
| 139 | nv_wr32(dev, NV_PVIDEO_DT_DY(flip), (src_h << 20) / crtc_h); |
| 140 | nv_wr32(dev, NV_PVIDEO_POINT_OUT(flip), crtc_y << 16 | crtc_x); |
| 141 | nv_wr32(dev, NV_PVIDEO_SIZE_OUT(flip), crtc_h << 16 | crtc_w); |
| 142 | |
| 143 | if (fb->pixel_format == DRM_FORMAT_NV12) { |
| 144 | format |= NV_PVIDEO_FORMAT_COLOR_LE_CR8YB8CB8YA8; |
| 145 | format |= NV_PVIDEO_FORMAT_PLANAR; |
| 146 | } |
| 147 | if (nv_plane->iturbt_709) |
| 148 | format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709; |
| 149 | if (nv_plane->colorkey & (1 << 24)) |
| 150 | format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY; |
| 151 | |
| 152 | if (fb->pixel_format == DRM_FORMAT_NV12) { |
| 153 | nv_wr32(dev, NV_PVIDEO_UVPLANE_BASE(flip), 0); |
| 154 | nv_wr32(dev, NV_PVIDEO_UVPLANE_OFFSET_BUFF(flip), |
| 155 | nv_fb->nvbo->bo.offset + fb->offsets[1]); |
| 156 | } |
| 157 | nv_wr32(dev, NV_PVIDEO_FORMAT(flip), format); |
| 158 | nv_wr32(dev, NV_PVIDEO_STOP, 0); |
| 159 | /* TODO: wait for vblank? */ |
| 160 | nv_wr32(dev, NV_PVIDEO_BUFFER, flip ? 0x10 : 0x1); |
| 161 | nv_plane->flip = !flip; |
| 162 | |
| 163 | if (cur) |
| 164 | nouveau_bo_unpin(cur); |
| 165 | |
| 166 | return 0; |
| 167 | } |
| 168 | |
| 169 | static int |
| 170 | nv10_disable_plane(struct drm_plane *plane) |
| 171 | { |
| 172 | struct nouveau_device *dev = nouveau_dev(plane->dev); |
| 173 | struct nouveau_plane *nv_plane = (struct nouveau_plane *)plane; |
| 174 | |
| 175 | nv_wr32(dev, NV_PVIDEO_STOP, 1); |
| 176 | if (nv_plane->cur) { |
| 177 | nouveau_bo_unpin(nv_plane->cur); |
| 178 | nv_plane->cur = NULL; |
| 179 | } |
| 180 | |
| 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | static void |
| 185 | nv10_destroy_plane(struct drm_plane *plane) |
| 186 | { |
| 187 | nv10_disable_plane(plane); |
| 188 | drm_plane_cleanup(plane); |
| 189 | kfree(plane); |
| 190 | } |
| 191 | |
| 192 | static void |
| 193 | nv10_set_params(struct nouveau_plane *plane) |
| 194 | { |
| 195 | struct nouveau_device *dev = nouveau_dev(plane->base.dev); |
| 196 | u32 luma = (plane->brightness - 512) << 16 | plane->contrast; |
| 197 | u32 chroma = ((sin_mul(plane->hue, plane->saturation) & 0xffff) << 16) | |
| 198 | (cos_mul(plane->hue, plane->saturation) & 0xffff); |
| 199 | u32 format = 0; |
| 200 | |
| 201 | nv_wr32(dev, NV_PVIDEO_LUMINANCE(0), luma); |
| 202 | nv_wr32(dev, NV_PVIDEO_LUMINANCE(1), luma); |
| 203 | nv_wr32(dev, NV_PVIDEO_CHROMINANCE(0), chroma); |
| 204 | nv_wr32(dev, NV_PVIDEO_CHROMINANCE(1), chroma); |
| 205 | nv_wr32(dev, NV_PVIDEO_COLOR_KEY, plane->colorkey & 0xffffff); |
| 206 | |
| 207 | if (plane->cur) { |
| 208 | if (plane->iturbt_709) |
| 209 | format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709; |
| 210 | if (plane->colorkey & (1 << 24)) |
| 211 | format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY; |
| 212 | nv_mask(dev, NV_PVIDEO_FORMAT(plane->flip), |
| 213 | NV_PVIDEO_FORMAT_MATRIX_ITURBT709 | |
| 214 | NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY, |
| 215 | format); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | static int |
| 220 | nv10_set_property(struct drm_plane *plane, |
| 221 | struct drm_property *property, |
| 222 | uint64_t value) |
| 223 | { |
| 224 | struct nouveau_plane *nv_plane = (struct nouveau_plane *)plane; |
| 225 | |
| 226 | if (property == nv_plane->props.colorkey) |
| 227 | nv_plane->colorkey = value; |
| 228 | else if (property == nv_plane->props.contrast) |
| 229 | nv_plane->contrast = value; |
| 230 | else if (property == nv_plane->props.brightness) |
| 231 | nv_plane->brightness = value; |
| 232 | else if (property == nv_plane->props.hue) |
| 233 | nv_plane->hue = value; |
| 234 | else if (property == nv_plane->props.saturation) |
| 235 | nv_plane->saturation = value; |
| 236 | else if (property == nv_plane->props.iturbt_709) |
| 237 | nv_plane->iturbt_709 = value; |
| 238 | else |
| 239 | return -EINVAL; |
| 240 | |
| 241 | nv10_set_params(nv_plane); |
| 242 | return 0; |
| 243 | } |
| 244 | |
| 245 | static const struct drm_plane_funcs nv10_plane_funcs = { |
| 246 | .update_plane = nv10_update_plane, |
| 247 | .disable_plane = nv10_disable_plane, |
| 248 | .set_property = nv10_set_property, |
| 249 | .destroy = nv10_destroy_plane, |
| 250 | }; |
| 251 | |
| 252 | static void |
| 253 | nv10_overlay_init(struct drm_device *device) |
| 254 | { |
| 255 | struct nouveau_device *dev = nouveau_dev(device); |
| 256 | struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL); |
Ilia Mirkin | efffa98 | 2013-11-15 11:26:43 -0500 | [diff] [blame] | 257 | int num_formats = ARRAY_SIZE(formats); |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 258 | int ret; |
| 259 | |
| 260 | if (!plane) |
| 261 | return; |
| 262 | |
Ilia Mirkin | efffa98 | 2013-11-15 11:26:43 -0500 | [diff] [blame] | 263 | switch (dev->chipset) { |
| 264 | case 0x10: |
| 265 | case 0x11: |
| 266 | case 0x15: |
| 267 | case 0x1a: |
| 268 | case 0x20: |
| 269 | num_formats = 1; |
| 270 | break; |
| 271 | } |
| 272 | |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 273 | ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */, |
| 274 | &nv10_plane_funcs, |
Ilia Mirkin | efffa98 | 2013-11-15 11:26:43 -0500 | [diff] [blame] | 275 | formats, num_formats, false); |
Ilia Mirkin | 515de6b | 2013-09-07 20:33:43 -0400 | [diff] [blame] | 276 | if (ret) |
| 277 | goto err; |
| 278 | |
| 279 | /* Set up the plane properties */ |
| 280 | plane->props.colorkey = drm_property_create_range( |
| 281 | device, 0, "colorkey", 0, 0x01ffffff); |
| 282 | plane->props.contrast = drm_property_create_range( |
| 283 | device, 0, "contrast", 0, 8192 - 1); |
| 284 | plane->props.brightness = drm_property_create_range( |
| 285 | device, 0, "brightness", 0, 1024); |
| 286 | plane->props.hue = drm_property_create_range( |
| 287 | device, 0, "hue", 0, 359); |
| 288 | plane->props.saturation = drm_property_create_range( |
| 289 | device, 0, "saturation", 0, 8192 - 1); |
| 290 | plane->props.iturbt_709 = drm_property_create_range( |
| 291 | device, 0, "iturbt_709", 0, 1); |
| 292 | if (!plane->props.colorkey || |
| 293 | !plane->props.contrast || |
| 294 | !plane->props.brightness || |
| 295 | !plane->props.hue || |
| 296 | !plane->props.saturation || |
| 297 | !plane->props.iturbt_709) |
| 298 | goto cleanup; |
| 299 | |
| 300 | plane->colorkey = 0; |
| 301 | drm_object_attach_property(&plane->base.base, |
| 302 | plane->props.colorkey, plane->colorkey); |
| 303 | |
| 304 | plane->contrast = 0x1000; |
| 305 | drm_object_attach_property(&plane->base.base, |
| 306 | plane->props.contrast, plane->contrast); |
| 307 | |
| 308 | plane->brightness = 512; |
| 309 | drm_object_attach_property(&plane->base.base, |
| 310 | plane->props.brightness, plane->brightness); |
| 311 | |
| 312 | plane->hue = 0; |
| 313 | drm_object_attach_property(&plane->base.base, |
| 314 | plane->props.hue, plane->hue); |
| 315 | |
| 316 | plane->saturation = 0x1000; |
| 317 | drm_object_attach_property(&plane->base.base, |
| 318 | plane->props.saturation, plane->saturation); |
| 319 | |
| 320 | plane->iturbt_709 = 0; |
| 321 | drm_object_attach_property(&plane->base.base, |
| 322 | plane->props.iturbt_709, plane->iturbt_709); |
| 323 | |
| 324 | nv10_set_params(plane); |
| 325 | nv_wr32(dev, NV_PVIDEO_STOP, 1); |
| 326 | return; |
| 327 | cleanup: |
| 328 | drm_plane_cleanup(&plane->base); |
| 329 | err: |
| 330 | kfree(plane); |
| 331 | nv_error(dev, "Failed to create plane\n"); |
| 332 | } |
| 333 | |
| 334 | void |
| 335 | nouveau_overlay_init(struct drm_device *device) |
| 336 | { |
| 337 | struct nouveau_device *dev = nouveau_dev(device); |
| 338 | if (dev->chipset >= 0x10 && dev->chipset <= 0x40) |
| 339 | nv10_overlay_init(device); |
| 340 | } |