linux/drivers/gpu/drm/armada/armada_overlay.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (C) 2012 Russell King
   4 *  Rewritten from the dovefb driver, and Armada510 manuals.
   5 */
   6
   7#include <drm/armada_drm.h>
   8#include <drm/drm_atomic.h>
   9#include <drm/drm_atomic_helper.h>
  10#include <drm/drm_atomic_uapi.h>
  11#include <drm/drm_fourcc.h>
  12#include <drm/drm_plane_helper.h>
  13
  14#include "armada_crtc.h"
  15#include "armada_drm.h"
  16#include "armada_fb.h"
  17#include "armada_gem.h"
  18#include "armada_hw.h"
  19#include "armada_ioctlP.h"
  20#include "armada_plane.h"
  21#include "armada_trace.h"
  22
  23#define DEFAULT_BRIGHTNESS      0
  24#define DEFAULT_CONTRAST        0x4000
  25#define DEFAULT_SATURATION      0x4000
  26#define DEFAULT_ENCODING        DRM_COLOR_YCBCR_BT601
  27
  28struct armada_overlay_state {
  29        struct armada_plane_state base;
  30        u32 colorkey_yr;
  31        u32 colorkey_ug;
  32        u32 colorkey_vb;
  33        u32 colorkey_mode;
  34        u32 colorkey_enable;
  35        s16 brightness;
  36        u16 contrast;
  37        u16 saturation;
  38};
  39#define drm_to_overlay_state(s) \
  40        container_of(s, struct armada_overlay_state, base.base)
  41
  42static inline u32 armada_spu_contrast(struct drm_plane_state *state)
  43{
  44        return drm_to_overlay_state(state)->brightness << 16 |
  45               drm_to_overlay_state(state)->contrast;
  46}
  47
  48static inline u32 armada_spu_saturation(struct drm_plane_state *state)
  49{
  50        /* Docs say 15:0, but it seems to actually be 31:16 on Armada 510 */
  51        return drm_to_overlay_state(state)->saturation << 16;
  52}
  53
  54static inline u32 armada_csc(struct drm_plane_state *state)
  55{
  56        /*
  57         * The CFG_CSC_RGB_* settings control the output of the colour space
  58         * converter, setting the range of output values it produces.  Since
  59         * we will be blending with the full-range graphics, we need to
  60         * produce full-range RGB output from the conversion.
  61         */
  62        return CFG_CSC_RGB_COMPUTER |
  63               (state->color_encoding == DRM_COLOR_YCBCR_BT709 ?
  64                        CFG_CSC_YUV_CCIR709 : CFG_CSC_YUV_CCIR601);
  65}
  66
  67/* === Plane support === */
  68static void armada_drm_overlay_plane_atomic_update(struct drm_plane *plane,
  69        struct drm_plane_state *old_state)
  70{
  71        struct drm_plane_state *state = plane->state;
  72        struct armada_crtc *dcrtc;
  73        struct armada_regs *regs;
  74        unsigned int idx;
  75        u32 cfg, cfg_mask, val;
  76
  77        DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
  78
  79        if (!state->fb || WARN_ON(!state->crtc))
  80                return;
  81
  82        DRM_DEBUG_KMS("[PLANE:%d:%s] is on [CRTC:%d:%s] with [FB:%d] visible %u->%u\n",
  83                plane->base.id, plane->name,
  84                state->crtc->base.id, state->crtc->name,
  85                state->fb->base.id,
  86                old_state->visible, state->visible);
  87
  88        dcrtc = drm_to_armada_crtc(state->crtc);
  89        regs = dcrtc->regs + dcrtc->regs_idx;
  90
  91        idx = 0;
  92        if (!old_state->visible && state->visible)
  93                armada_reg_queue_mod(regs, idx,
  94                                     0, CFG_PDWN16x66 | CFG_PDWN32x66,
  95                                     LCD_SPU_SRAM_PARA1);
  96        val = armada_src_hw(state);
  97        if (armada_src_hw(old_state) != val)
  98                armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_HPXL_VLN);
  99        val = armada_dst_yx(state);
 100        if (armada_dst_yx(old_state) != val)
 101                armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN);
 102        val = armada_dst_hw(state);
 103        if (armada_dst_hw(old_state) != val)
 104                armada_reg_queue_set(regs, idx, val, LCD_SPU_DZM_HPXL_VLN);
 105        /* FIXME: overlay on an interlaced display */
 106        if (old_state->src.x1 != state->src.x1 ||
 107            old_state->src.y1 != state->src.y1 ||
 108            old_state->fb != state->fb ||
 109            state->crtc->state->mode_changed) {
 110                const struct drm_format_info *format;
 111                u16 src_x;
 112
 113                armada_reg_queue_set(regs, idx, armada_addr(state, 0, 0),
 114                                     LCD_SPU_DMA_START_ADDR_Y0);
 115                armada_reg_queue_set(regs, idx, armada_addr(state, 0, 1),
 116                                     LCD_SPU_DMA_START_ADDR_U0);
 117                armada_reg_queue_set(regs, idx, armada_addr(state, 0, 2),
 118                                     LCD_SPU_DMA_START_ADDR_V0);
 119                armada_reg_queue_set(regs, idx, armada_addr(state, 1, 0),
 120                                     LCD_SPU_DMA_START_ADDR_Y1);
 121                armada_reg_queue_set(regs, idx, armada_addr(state, 1, 1),
 122                                     LCD_SPU_DMA_START_ADDR_U1);
 123                armada_reg_queue_set(regs, idx, armada_addr(state, 1, 2),
 124                                     LCD_SPU_DMA_START_ADDR_V1);
 125
 126                val = armada_pitch(state, 0) << 16 | armada_pitch(state, 0);
 127                armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_YC);
 128                val = armada_pitch(state, 1) << 16 | armada_pitch(state, 2);
 129                armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_UV);
 130
 131                cfg = CFG_DMA_FMT(drm_fb_to_armada_fb(state->fb)->fmt) |
 132                      CFG_DMA_MOD(drm_fb_to_armada_fb(state->fb)->mod) |
 133                      CFG_CBSH_ENA;
 134                if (state->visible)
 135                        cfg |= CFG_DMA_ENA;
 136
 137                /*
 138                 * Shifting a YUV packed format image by one pixel causes the
 139                 * U/V planes to swap.  Compensate for it by also toggling
 140                 * the UV swap.
 141                 */
 142                format = state->fb->format;
 143                src_x = state->src.x1 >> 16;
 144                if (format->num_planes == 1 && src_x & (format->hsub - 1))
 145                        cfg ^= CFG_DMA_MOD(CFG_SWAPUV);
 146                if (to_armada_plane_state(state)->interlace)
 147                        cfg |= CFG_DMA_FTOGGLE;
 148                cfg_mask = CFG_CBSH_ENA | CFG_DMAFORMAT |
 149                           CFG_DMA_MOD(CFG_SWAPRB | CFG_SWAPUV |
 150                                       CFG_SWAPYU | CFG_YUV2RGB) |
 151                           CFG_DMA_FTOGGLE | CFG_DMA_TSTMODE |
 152                           CFG_DMA_ENA;
 153        } else if (old_state->visible != state->visible) {
 154                cfg = state->visible ? CFG_DMA_ENA : 0;
 155                cfg_mask = CFG_DMA_ENA;
 156        } else {
 157                cfg = cfg_mask = 0;
 158        }
 159        if (drm_rect_width(&old_state->src) != drm_rect_width(&state->src) ||
 160            drm_rect_width(&old_state->dst) != drm_rect_width(&state->dst)) {
 161                cfg_mask |= CFG_DMA_HSMOOTH;
 162                if (drm_rect_width(&state->src) >> 16 !=
 163                    drm_rect_width(&state->dst))
 164                        cfg |= CFG_DMA_HSMOOTH;
 165        }
 166
 167        if (cfg_mask)
 168                armada_reg_queue_mod(regs, idx, cfg, cfg_mask,
 169                                     LCD_SPU_DMA_CTRL0);
 170
 171        val = armada_spu_contrast(state);
 172        if ((!old_state->visible && state->visible) ||
 173            armada_spu_contrast(old_state) != val)
 174                armada_reg_queue_set(regs, idx, val, LCD_SPU_CONTRAST);
 175        val = armada_spu_saturation(state);
 176        if ((!old_state->visible && state->visible) ||
 177            armada_spu_saturation(old_state) != val)
 178                armada_reg_queue_set(regs, idx, val, LCD_SPU_SATURATION);
 179        if (!old_state->visible && state->visible)
 180                armada_reg_queue_set(regs, idx, 0x00002000, LCD_SPU_CBSH_HUE);
 181        val = armada_csc(state);
 182        if ((!old_state->visible && state->visible) ||
 183            armada_csc(old_state) != val)
 184                armada_reg_queue_mod(regs, idx, val, CFG_CSC_MASK,
 185                                     LCD_SPU_IOPAD_CONTROL);
 186        val = drm_to_overlay_state(state)->colorkey_yr;
 187        if ((!old_state->visible && state->visible) ||
 188            drm_to_overlay_state(old_state)->colorkey_yr != val)
 189                armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_Y);
 190        val = drm_to_overlay_state(state)->colorkey_ug;
 191        if ((!old_state->visible && state->visible) ||
 192            drm_to_overlay_state(old_state)->colorkey_ug != val)
 193                armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_U);
 194        val = drm_to_overlay_state(state)->colorkey_vb;
 195        if ((!old_state->visible && state->visible) ||
 196            drm_to_overlay_state(old_state)->colorkey_vb != val)
 197                armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_V);
 198        val = drm_to_overlay_state(state)->colorkey_mode;
 199        if ((!old_state->visible && state->visible) ||
 200            drm_to_overlay_state(old_state)->colorkey_mode != val)
 201                armada_reg_queue_mod(regs, idx, val, CFG_CKMODE_MASK |
 202                                     CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
 203                                     LCD_SPU_DMA_CTRL1);
 204        val = drm_to_overlay_state(state)->colorkey_enable;
 205        if (((!old_state->visible && state->visible) ||
 206             drm_to_overlay_state(old_state)->colorkey_enable != val) &&
 207            dcrtc->variant->has_spu_adv_reg)
 208                armada_reg_queue_mod(regs, idx, val, ADV_GRACOLORKEY |
 209                                     ADV_VIDCOLORKEY, LCD_SPU_ADV_REG);
 210
 211        dcrtc->regs_idx += idx;
 212}
 213
 214static void armada_drm_overlay_plane_atomic_disable(struct drm_plane *plane,
 215        struct drm_plane_state *old_state)
 216{
 217        struct armada_crtc *dcrtc;
 218        struct armada_regs *regs;
 219        unsigned int idx = 0;
 220
 221        DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
 222
 223        if (!old_state->crtc)
 224                return;
 225
 226        DRM_DEBUG_KMS("[PLANE:%d:%s] was on [CRTC:%d:%s] with [FB:%d]\n",
 227                plane->base.id, plane->name,
 228                old_state->crtc->base.id, old_state->crtc->name,
 229                old_state->fb->base.id);
 230
 231        dcrtc = drm_to_armada_crtc(old_state->crtc);
 232        regs = dcrtc->regs + dcrtc->regs_idx;
 233
 234        /* Disable plane and power down the YUV FIFOs */
 235        armada_reg_queue_mod(regs, idx, 0, CFG_DMA_ENA, LCD_SPU_DMA_CTRL0);
 236        armada_reg_queue_mod(regs, idx, CFG_PDWN16x66 | CFG_PDWN32x66, 0,
 237                             LCD_SPU_SRAM_PARA1);
 238
 239        dcrtc->regs_idx += idx;
 240}
 241
 242static const struct drm_plane_helper_funcs armada_overlay_plane_helper_funcs = {
 243        .prepare_fb     = armada_drm_plane_prepare_fb,
 244        .cleanup_fb     = armada_drm_plane_cleanup_fb,
 245        .atomic_check   = armada_drm_plane_atomic_check,
 246        .atomic_update  = armada_drm_overlay_plane_atomic_update,
 247        .atomic_disable = armada_drm_overlay_plane_atomic_disable,
 248};
 249
 250static int
 251armada_overlay_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
 252        struct drm_framebuffer *fb,
 253        int crtc_x, int crtc_y, unsigned crtc_w, unsigned crtc_h,
 254        uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h,
 255        struct drm_modeset_acquire_ctx *ctx)
 256{
 257        struct drm_atomic_state *state;
 258        struct drm_plane_state *plane_state;
 259        int ret = 0;
 260
 261        trace_armada_ovl_plane_update(plane, crtc, fb,
 262                                 crtc_x, crtc_y, crtc_w, crtc_h,
 263                                 src_x, src_y, src_w, src_h);
 264
 265        state = drm_atomic_state_alloc(plane->dev);
 266        if (!state)
 267                return -ENOMEM;
 268
 269        state->acquire_ctx = ctx;
 270        plane_state = drm_atomic_get_plane_state(state, plane);
 271        if (IS_ERR(plane_state)) {
 272                ret = PTR_ERR(plane_state);
 273                goto fail;
 274        }
 275
 276        ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
 277        if (ret != 0)
 278                goto fail;
 279
 280        drm_atomic_set_fb_for_plane(plane_state, fb);
 281        plane_state->crtc_x = crtc_x;
 282        plane_state->crtc_y = crtc_y;
 283        plane_state->crtc_h = crtc_h;
 284        plane_state->crtc_w = crtc_w;
 285        plane_state->src_x = src_x;
 286        plane_state->src_y = src_y;
 287        plane_state->src_h = src_h;
 288        plane_state->src_w = src_w;
 289
 290        ret = drm_atomic_nonblocking_commit(state);
 291fail:
 292        drm_atomic_state_put(state);
 293        return ret;
 294}
 295
 296static void armada_ovl_plane_destroy(struct drm_plane *plane)
 297{
 298        drm_plane_cleanup(plane);
 299        kfree(plane);
 300}
 301
 302static void armada_overlay_reset(struct drm_plane *plane)
 303{
 304        struct armada_overlay_state *state;
 305
 306        if (plane->state)
 307                __drm_atomic_helper_plane_destroy_state(plane->state);
 308        kfree(plane->state);
 309        plane->state = NULL;
 310
 311        state = kzalloc(sizeof(*state), GFP_KERNEL);
 312        if (state) {
 313                state->colorkey_yr = 0xfefefe00;
 314                state->colorkey_ug = 0x01010100;
 315                state->colorkey_vb = 0x01010100;
 316                state->colorkey_mode = CFG_CKMODE(CKMODE_RGB) |
 317                                       CFG_ALPHAM_GRA | CFG_ALPHA(0);
 318                state->colorkey_enable = ADV_GRACOLORKEY;
 319                state->brightness = DEFAULT_BRIGHTNESS;
 320                state->contrast = DEFAULT_CONTRAST;
 321                state->saturation = DEFAULT_SATURATION;
 322                __drm_atomic_helper_plane_reset(plane, &state->base.base);
 323                state->base.base.color_encoding = DEFAULT_ENCODING;
 324                state->base.base.color_range = DRM_COLOR_YCBCR_LIMITED_RANGE;
 325        }
 326}
 327
 328struct drm_plane_state *
 329armada_overlay_duplicate_state(struct drm_plane *plane)
 330{
 331        struct armada_overlay_state *state;
 332
 333        if (WARN_ON(!plane->state))
 334                return NULL;
 335
 336        state = kmemdup(plane->state, sizeof(*state), GFP_KERNEL);
 337        if (state)
 338                __drm_atomic_helper_plane_duplicate_state(plane,
 339                                                          &state->base.base);
 340        return &state->base.base;
 341}
 342
 343static int armada_overlay_set_property(struct drm_plane *plane,
 344        struct drm_plane_state *state, struct drm_property *property,
 345        uint64_t val)
 346{
 347        struct armada_private *priv = drm_to_armada_dev(plane->dev);
 348
 349#define K2R(val) (((val) >> 0) & 0xff)
 350#define K2G(val) (((val) >> 8) & 0xff)
 351#define K2B(val) (((val) >> 16) & 0xff)
 352        if (property == priv->colorkey_prop) {
 353#define CCC(v) ((v) << 24 | (v) << 16 | (v) << 8)
 354                drm_to_overlay_state(state)->colorkey_yr = CCC(K2R(val));
 355                drm_to_overlay_state(state)->colorkey_ug = CCC(K2G(val));
 356                drm_to_overlay_state(state)->colorkey_vb = CCC(K2B(val));
 357#undef CCC
 358        } else if (property == priv->colorkey_min_prop) {
 359                drm_to_overlay_state(state)->colorkey_yr &= ~0x00ff0000;
 360                drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 16;
 361                drm_to_overlay_state(state)->colorkey_ug &= ~0x00ff0000;
 362                drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 16;
 363                drm_to_overlay_state(state)->colorkey_vb &= ~0x00ff0000;
 364                drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 16;
 365        } else if (property == priv->colorkey_max_prop) {
 366                drm_to_overlay_state(state)->colorkey_yr &= ~0xff000000;
 367                drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 24;
 368                drm_to_overlay_state(state)->colorkey_ug &= ~0xff000000;
 369                drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 24;
 370                drm_to_overlay_state(state)->colorkey_vb &= ~0xff000000;
 371                drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 24;
 372        } else if (property == priv->colorkey_val_prop) {
 373                drm_to_overlay_state(state)->colorkey_yr &= ~0x0000ff00;
 374                drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 8;
 375                drm_to_overlay_state(state)->colorkey_ug &= ~0x0000ff00;
 376                drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 8;
 377                drm_to_overlay_state(state)->colorkey_vb &= ~0x0000ff00;
 378                drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 8;
 379        } else if (property == priv->colorkey_alpha_prop) {
 380                drm_to_overlay_state(state)->colorkey_yr &= ~0x000000ff;
 381                drm_to_overlay_state(state)->colorkey_yr |= K2R(val);
 382                drm_to_overlay_state(state)->colorkey_ug &= ~0x000000ff;
 383                drm_to_overlay_state(state)->colorkey_ug |= K2G(val);
 384                drm_to_overlay_state(state)->colorkey_vb &= ~0x000000ff;
 385                drm_to_overlay_state(state)->colorkey_vb |= K2B(val);
 386        } else if (property == priv->colorkey_mode_prop) {
 387                if (val == CKMODE_DISABLE) {
 388                        drm_to_overlay_state(state)->colorkey_mode =
 389                                CFG_CKMODE(CKMODE_DISABLE) |
 390                                CFG_ALPHAM_CFG | CFG_ALPHA(255);
 391                        drm_to_overlay_state(state)->colorkey_enable = 0;
 392                } else {
 393                        drm_to_overlay_state(state)->colorkey_mode =
 394                                CFG_CKMODE(val) |
 395                                CFG_ALPHAM_GRA | CFG_ALPHA(0);
 396                        drm_to_overlay_state(state)->colorkey_enable =
 397                                ADV_GRACOLORKEY;
 398                }
 399        } else if (property == priv->brightness_prop) {
 400                drm_to_overlay_state(state)->brightness = val - 256;
 401        } else if (property == priv->contrast_prop) {
 402                drm_to_overlay_state(state)->contrast = val;
 403        } else if (property == priv->saturation_prop) {
 404                drm_to_overlay_state(state)->saturation = val;
 405        } else {
 406                return -EINVAL;
 407        }
 408        return 0;
 409}
 410
 411static int armada_overlay_get_property(struct drm_plane *plane,
 412        const struct drm_plane_state *state, struct drm_property *property,
 413        uint64_t *val)
 414{
 415        struct armada_private *priv = drm_to_armada_dev(plane->dev);
 416
 417#define C2K(c,s)        (((c) >> (s)) & 0xff)
 418#define R2BGR(r,g,b,s)  (C2K(r,s) << 0 | C2K(g,s) << 8 | C2K(b,s) << 16)
 419        if (property == priv->colorkey_prop) {
 420                /* Do best-efforts here for this property */
 421                *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
 422                             drm_to_overlay_state(state)->colorkey_ug,
 423                             drm_to_overlay_state(state)->colorkey_vb, 16);
 424                /* If min != max, or min != val, error out */
 425                if (*val != R2BGR(drm_to_overlay_state(state)->colorkey_yr,
 426                                  drm_to_overlay_state(state)->colorkey_ug,
 427                                  drm_to_overlay_state(state)->colorkey_vb, 24) ||
 428                    *val != R2BGR(drm_to_overlay_state(state)->colorkey_yr,
 429                                  drm_to_overlay_state(state)->colorkey_ug,
 430                                  drm_to_overlay_state(state)->colorkey_vb, 8))
 431                        return -EINVAL;
 432        } else if (property == priv->colorkey_min_prop) {
 433                *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
 434                             drm_to_overlay_state(state)->colorkey_ug,
 435                             drm_to_overlay_state(state)->colorkey_vb, 16);
 436        } else if (property == priv->colorkey_max_prop) {
 437                *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
 438                             drm_to_overlay_state(state)->colorkey_ug,
 439                             drm_to_overlay_state(state)->colorkey_vb, 24);
 440        } else if (property == priv->colorkey_val_prop) {
 441                *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
 442                             drm_to_overlay_state(state)->colorkey_ug,
 443                             drm_to_overlay_state(state)->colorkey_vb, 8);
 444        } else if (property == priv->colorkey_alpha_prop) {
 445                *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
 446                             drm_to_overlay_state(state)->colorkey_ug,
 447                             drm_to_overlay_state(state)->colorkey_vb, 0);
 448        } else if (property == priv->colorkey_mode_prop) {
 449                *val = (drm_to_overlay_state(state)->colorkey_mode &
 450                        CFG_CKMODE_MASK) >> ffs(CFG_CKMODE_MASK);
 451        } else if (property == priv->brightness_prop) {
 452                *val = drm_to_overlay_state(state)->brightness + 256;
 453        } else if (property == priv->contrast_prop) {
 454                *val = drm_to_overlay_state(state)->contrast;
 455        } else if (property == priv->saturation_prop) {
 456                *val = drm_to_overlay_state(state)->saturation;
 457        } else {
 458                return -EINVAL;
 459        }
 460        return 0;
 461}
 462
 463static const struct drm_plane_funcs armada_ovl_plane_funcs = {
 464        .update_plane   = armada_overlay_plane_update,
 465        .disable_plane  = drm_atomic_helper_disable_plane,
 466        .destroy        = armada_ovl_plane_destroy,
 467        .reset          = armada_overlay_reset,
 468        .atomic_duplicate_state = armada_overlay_duplicate_state,
 469        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 470        .atomic_set_property = armada_overlay_set_property,
 471        .atomic_get_property = armada_overlay_get_property,
 472};
 473
 474static const uint32_t armada_ovl_formats[] = {
 475        DRM_FORMAT_UYVY,
 476        DRM_FORMAT_YUYV,
 477        DRM_FORMAT_YUV420,
 478        DRM_FORMAT_YVU420,
 479        DRM_FORMAT_YUV422,
 480        DRM_FORMAT_YVU422,
 481        DRM_FORMAT_VYUY,
 482        DRM_FORMAT_YVYU,
 483        DRM_FORMAT_ARGB8888,
 484        DRM_FORMAT_ABGR8888,
 485        DRM_FORMAT_XRGB8888,
 486        DRM_FORMAT_XBGR8888,
 487        DRM_FORMAT_RGB888,
 488        DRM_FORMAT_BGR888,
 489        DRM_FORMAT_ARGB1555,
 490        DRM_FORMAT_ABGR1555,
 491        DRM_FORMAT_RGB565,
 492        DRM_FORMAT_BGR565,
 493};
 494
 495static const struct drm_prop_enum_list armada_drm_colorkey_enum_list[] = {
 496        { CKMODE_DISABLE, "disabled" },
 497        { CKMODE_Y,       "Y component" },
 498        { CKMODE_U,       "U component" },
 499        { CKMODE_V,       "V component" },
 500        { CKMODE_RGB,     "RGB" },
 501        { CKMODE_R,       "R component" },
 502        { CKMODE_G,       "G component" },
 503        { CKMODE_B,       "B component" },
 504};
 505
 506static int armada_overlay_create_properties(struct drm_device *dev)
 507{
 508        struct armada_private *priv = drm_to_armada_dev(dev);
 509
 510        if (priv->colorkey_prop)
 511                return 0;
 512
 513        priv->colorkey_prop = drm_property_create_range(dev, 0,
 514                                "colorkey", 0, 0xffffff);
 515        priv->colorkey_min_prop = drm_property_create_range(dev, 0,
 516                                "colorkey_min", 0, 0xffffff);
 517        priv->colorkey_max_prop = drm_property_create_range(dev, 0,
 518                                "colorkey_max", 0, 0xffffff);
 519        priv->colorkey_val_prop = drm_property_create_range(dev, 0,
 520                                "colorkey_val", 0, 0xffffff);
 521        priv->colorkey_alpha_prop = drm_property_create_range(dev, 0,
 522                                "colorkey_alpha", 0, 0xffffff);
 523        priv->colorkey_mode_prop = drm_property_create_enum(dev, 0,
 524                                "colorkey_mode",
 525                                armada_drm_colorkey_enum_list,
 526                                ARRAY_SIZE(armada_drm_colorkey_enum_list));
 527        priv->brightness_prop = drm_property_create_range(dev, 0,
 528                                "brightness", 0, 256 + 255);
 529        priv->contrast_prop = drm_property_create_range(dev, 0,
 530                                "contrast", 0, 0x7fff);
 531        priv->saturation_prop = drm_property_create_range(dev, 0,
 532                                "saturation", 0, 0x7fff);
 533
 534        if (!priv->colorkey_prop)
 535                return -ENOMEM;
 536
 537        return 0;
 538}
 539
 540int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
 541{
 542        struct armada_private *priv = drm_to_armada_dev(dev);
 543        struct drm_mode_object *mobj;
 544        struct drm_plane *overlay;
 545        int ret;
 546
 547        ret = armada_overlay_create_properties(dev);
 548        if (ret)
 549                return ret;
 550
 551        overlay = kzalloc(sizeof(*overlay), GFP_KERNEL);
 552        if (!overlay)
 553                return -ENOMEM;
 554
 555        drm_plane_helper_add(overlay, &armada_overlay_plane_helper_funcs);
 556
 557        ret = drm_universal_plane_init(dev, overlay, crtcs,
 558                                       &armada_ovl_plane_funcs,
 559                                       armada_ovl_formats,
 560                                       ARRAY_SIZE(armada_ovl_formats),
 561                                       NULL,
 562                                       DRM_PLANE_TYPE_OVERLAY, NULL);
 563        if (ret) {
 564                kfree(overlay);
 565                return ret;
 566        }
 567
 568        mobj = &overlay->base;
 569        drm_object_attach_property(mobj, priv->colorkey_prop,
 570                                   0x0101fe);
 571        drm_object_attach_property(mobj, priv->colorkey_min_prop,
 572                                   0x0101fe);
 573        drm_object_attach_property(mobj, priv->colorkey_max_prop,
 574                                   0x0101fe);
 575        drm_object_attach_property(mobj, priv->colorkey_val_prop,
 576                                   0x0101fe);
 577        drm_object_attach_property(mobj, priv->colorkey_alpha_prop,
 578                                   0x000000);
 579        drm_object_attach_property(mobj, priv->colorkey_mode_prop,
 580                                   CKMODE_RGB);
 581        drm_object_attach_property(mobj, priv->brightness_prop,
 582                                   256 + DEFAULT_BRIGHTNESS);
 583        drm_object_attach_property(mobj, priv->contrast_prop,
 584                                   DEFAULT_CONTRAST);
 585        drm_object_attach_property(mobj, priv->saturation_prop,
 586                                   DEFAULT_SATURATION);
 587
 588        ret = drm_plane_create_color_properties(overlay,
 589                                                BIT(DRM_COLOR_YCBCR_BT601) |
 590                                                BIT(DRM_COLOR_YCBCR_BT709),
 591                                                BIT(DRM_COLOR_YCBCR_LIMITED_RANGE),
 592                                                DEFAULT_ENCODING,
 593                                                DRM_COLOR_YCBCR_LIMITED_RANGE);
 594
 595        return ret;
 596}
 597