12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 27480ba4dSJernej Skrabec /* 37480ba4dSJernej Skrabec * Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net> 47480ba4dSJernej Skrabec */ 57480ba4dSJernej Skrabec 67480ba4dSJernej Skrabec #include <drm/drm_atomic.h> 77480ba4dSJernej Skrabec #include <drm/drm_atomic_helper.h> 87480ba4dSJernej Skrabec #include <drm/drm_crtc.h> 97480ba4dSJernej Skrabec #include <drm/drm_fb_cma_helper.h> 10820c1707SThomas Zimmermann #include <drm/drm_gem_atomic_helper.h> 117480ba4dSJernej Skrabec #include <drm/drm_gem_cma_helper.h> 127480ba4dSJernej Skrabec #include <drm/drm_plane_helper.h> 13fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 147480ba4dSJernej Skrabec 15daab3d0eSJernej Skrabec #include "sun8i_csc.h" 167480ba4dSJernej Skrabec #include "sun8i_mixer.h" 171ef1380cSJernej Skrabec #include "sun8i_vi_layer.h" 18b862a648SJernej Skrabec #include "sun8i_vi_scaler.h" 197480ba4dSJernej Skrabec 207480ba4dSJernej Skrabec static void sun8i_vi_layer_enable(struct sun8i_mixer *mixer, int channel, 21d8b3f454SPaul Kocialkowski int overlay, bool enable, unsigned int zpos, 22d8b3f454SPaul Kocialkowski unsigned int old_zpos) 237480ba4dSJernej Skrabec { 244b09c073SJernej Skrabec u32 val, bld_base, ch_base; 254b09c073SJernej Skrabec 264b09c073SJernej Skrabec bld_base = sun8i_blender_base(mixer); 274b09c073SJernej Skrabec ch_base = sun8i_channel_base(mixer, channel); 287480ba4dSJernej Skrabec 297480ba4dSJernej Skrabec DRM_DEBUG_DRIVER("%sabling VI channel %d overlay %d\n", 307480ba4dSJernej Skrabec enable ? "En" : "Dis", channel, overlay); 317480ba4dSJernej Skrabec 327480ba4dSJernej Skrabec if (enable) 337480ba4dSJernej Skrabec val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN; 347480ba4dSJernej Skrabec else 357480ba4dSJernej Skrabec val = 0; 367480ba4dSJernej Skrabec 377480ba4dSJernej Skrabec regmap_update_bits(mixer->engine.regs, 384b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 397480ba4dSJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN, val); 407480ba4dSJernej Skrabec 41d8b3f454SPaul Kocialkowski if (!enable || zpos != old_zpos) { 42d8b3f454SPaul Kocialkowski regmap_update_bits(mixer->engine.regs, 434b09c073SJernej Skrabec SUN8I_MIXER_BLEND_PIPE_CTL(bld_base), 44d8b3f454SPaul Kocialkowski SUN8I_MIXER_BLEND_PIPE_CTL_EN(old_zpos), 45d8b3f454SPaul Kocialkowski 0); 46d8b3f454SPaul Kocialkowski 47d8b3f454SPaul Kocialkowski regmap_update_bits(mixer->engine.regs, 484b09c073SJernej Skrabec SUN8I_MIXER_BLEND_ROUTE(bld_base), 49d8b3f454SPaul Kocialkowski SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(old_zpos), 50d8b3f454SPaul Kocialkowski 0); 51d8b3f454SPaul Kocialkowski } 52d8b3f454SPaul Kocialkowski 53f88c5ee7SJernej Skrabec if (enable) { 54f88c5ee7SJernej Skrabec val = SUN8I_MIXER_BLEND_PIPE_CTL_EN(zpos); 557480ba4dSJernej Skrabec 567480ba4dSJernej Skrabec regmap_update_bits(mixer->engine.regs, 574b09c073SJernej Skrabec SUN8I_MIXER_BLEND_PIPE_CTL(bld_base), 584b09c073SJernej Skrabec val, val); 59f88c5ee7SJernej Skrabec 60f88c5ee7SJernej Skrabec val = channel << SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(zpos); 61f88c5ee7SJernej Skrabec 62f88c5ee7SJernej Skrabec regmap_update_bits(mixer->engine.regs, 634b09c073SJernej Skrabec SUN8I_MIXER_BLEND_ROUTE(bld_base), 64f88c5ee7SJernej Skrabec SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(zpos), 65f88c5ee7SJernej Skrabec val); 66f88c5ee7SJernej Skrabec } 677480ba4dSJernej Skrabec } 687480ba4dSJernej Skrabec 69c0f6f0c4SRoman Stratiienko static void sun8i_vi_layer_update_alpha(struct sun8i_mixer *mixer, int channel, 70c0f6f0c4SRoman Stratiienko int overlay, struct drm_plane *plane) 71c0f6f0c4SRoman Stratiienko { 72c0f6f0c4SRoman Stratiienko u32 mask, val, ch_base; 73c0f6f0c4SRoman Stratiienko 74c0f6f0c4SRoman Stratiienko ch_base = sun8i_channel_base(mixer, channel); 75c0f6f0c4SRoman Stratiienko 76c0f6f0c4SRoman Stratiienko if (mixer->cfg->is_de3) { 77c0f6f0c4SRoman Stratiienko mask = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK | 78c0f6f0c4SRoman Stratiienko SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK; 79c0f6f0c4SRoman Stratiienko val = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA 80c0f6f0c4SRoman Stratiienko (plane->state->alpha >> 8); 81c0f6f0c4SRoman Stratiienko 82c0f6f0c4SRoman Stratiienko val |= (plane->state->alpha == DRM_BLEND_ALPHA_OPAQUE) ? 83c0f6f0c4SRoman Stratiienko SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL : 84c0f6f0c4SRoman Stratiienko SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED; 85c0f6f0c4SRoman Stratiienko 86c0f6f0c4SRoman Stratiienko regmap_update_bits(mixer->engine.regs, 87c0f6f0c4SRoman Stratiienko SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, 88c0f6f0c4SRoman Stratiienko overlay), 89c0f6f0c4SRoman Stratiienko mask, val); 90c0f6f0c4SRoman Stratiienko } else if (mixer->cfg->vi_num == 1) { 91c0f6f0c4SRoman Stratiienko regmap_update_bits(mixer->engine.regs, 92c0f6f0c4SRoman Stratiienko SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG, 93c0f6f0c4SRoman Stratiienko SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK, 94c0f6f0c4SRoman Stratiienko SUN8I_MIXER_FCC_GLOBAL_ALPHA 95c0f6f0c4SRoman Stratiienko (plane->state->alpha >> 8)); 96c0f6f0c4SRoman Stratiienko } 97c0f6f0c4SRoman Stratiienko } 98c0f6f0c4SRoman Stratiienko 997480ba4dSJernej Skrabec static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel, 100f88c5ee7SJernej Skrabec int overlay, struct drm_plane *plane, 101f88c5ee7SJernej Skrabec unsigned int zpos) 1027480ba4dSJernej Skrabec { 1037480ba4dSJernej Skrabec struct drm_plane_state *state = plane->state; 1041343bd6cSJernej Skrabec const struct drm_format_info *format = state->fb->format; 105b862a648SJernej Skrabec u32 src_w, src_h, dst_w, dst_h; 1064b09c073SJernej Skrabec u32 bld_base, ch_base; 107b862a648SJernej Skrabec u32 outsize, insize; 108b862a648SJernej Skrabec u32 hphase, vphase; 109a7db690cSJernej Skrabec u32 hn = 0, hm = 0; 110a7db690cSJernej Skrabec u32 vn = 0, vm = 0; 111e1ef9006SJernej Skrabec bool subsampled; 1127480ba4dSJernej Skrabec 1137480ba4dSJernej Skrabec DRM_DEBUG_DRIVER("Updating VI channel %d overlay %d\n", 1147480ba4dSJernej Skrabec channel, overlay); 115b862a648SJernej Skrabec 1164b09c073SJernej Skrabec bld_base = sun8i_blender_base(mixer); 1174b09c073SJernej Skrabec ch_base = sun8i_channel_base(mixer, channel); 1184b09c073SJernej Skrabec 119b862a648SJernej Skrabec src_w = drm_rect_width(&state->src) >> 16; 120b862a648SJernej Skrabec src_h = drm_rect_height(&state->src) >> 16; 121b862a648SJernej Skrabec dst_w = drm_rect_width(&state->dst); 122b862a648SJernej Skrabec dst_h = drm_rect_height(&state->dst); 123b862a648SJernej Skrabec 124b862a648SJernej Skrabec hphase = state->src.x1 & 0xffff; 125b862a648SJernej Skrabec vphase = state->src.y1 & 0xffff; 126b862a648SJernej Skrabec 127e1ef9006SJernej Skrabec /* make coordinates dividable by subsampling factor */ 128e1ef9006SJernej Skrabec if (format->hsub > 1) { 129e1ef9006SJernej Skrabec int mask, remainder; 130e1ef9006SJernej Skrabec 131e1ef9006SJernej Skrabec mask = format->hsub - 1; 132e1ef9006SJernej Skrabec remainder = (state->src.x1 >> 16) & mask; 133e1ef9006SJernej Skrabec src_w = (src_w + remainder) & ~mask; 134e1ef9006SJernej Skrabec hphase += remainder << 16; 135e1ef9006SJernej Skrabec } 136e1ef9006SJernej Skrabec 137e1ef9006SJernej Skrabec if (format->vsub > 1) { 138e1ef9006SJernej Skrabec int mask, remainder; 139e1ef9006SJernej Skrabec 140e1ef9006SJernej Skrabec mask = format->vsub - 1; 141e1ef9006SJernej Skrabec remainder = (state->src.y1 >> 16) & mask; 142e1ef9006SJernej Skrabec src_h = (src_h + remainder) & ~mask; 143e1ef9006SJernej Skrabec vphase += remainder << 16; 144e1ef9006SJernej Skrabec } 145e1ef9006SJernej Skrabec 146b862a648SJernej Skrabec insize = SUN8I_MIXER_SIZE(src_w, src_h); 147b862a648SJernej Skrabec outsize = SUN8I_MIXER_SIZE(dst_w, dst_h); 1487480ba4dSJernej Skrabec 1497480ba4dSJernej Skrabec /* Set height and width */ 150b862a648SJernej Skrabec DRM_DEBUG_DRIVER("Layer source offset X: %d Y: %d\n", 151e1ef9006SJernej Skrabec (state->src.x1 >> 16) & ~(format->hsub - 1), 152e1ef9006SJernej Skrabec (state->src.y1 >> 16) & ~(format->vsub - 1)); 153b862a648SJernej Skrabec DRM_DEBUG_DRIVER("Layer source size W: %d H: %d\n", src_w, src_h); 1547480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 1554b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_SIZE(ch_base, overlay), 156b862a648SJernej Skrabec insize); 1577480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 1584b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_OVL_SIZE(ch_base), 159b862a648SJernej Skrabec insize); 160b862a648SJernej Skrabec 161e1ef9006SJernej Skrabec /* 162e1ef9006SJernej Skrabec * Scaler must be enabled for subsampled formats, so it scales 163e1ef9006SJernej Skrabec * chroma to same size as luma. 164e1ef9006SJernej Skrabec */ 165e1ef9006SJernej Skrabec subsampled = format->hsub > 1 || format->vsub > 1; 166e1ef9006SJernej Skrabec 167e1ef9006SJernej Skrabec if (insize != outsize || subsampled || hphase || vphase) { 168a7db690cSJernej Skrabec unsigned int scanline, required; 169a7db690cSJernej Skrabec struct drm_display_mode *mode; 170a7db690cSJernej Skrabec u32 hscale, vscale, fps; 171a7db690cSJernej Skrabec u64 ability; 172b862a648SJernej Skrabec 173b862a648SJernej Skrabec DRM_DEBUG_DRIVER("HW scaling is enabled\n"); 174b862a648SJernej Skrabec 175a7db690cSJernej Skrabec mode = &plane->state->crtc->state->mode; 176a7db690cSJernej Skrabec fps = (mode->clock * 1000) / (mode->vtotal * mode->htotal); 177a7db690cSJernej Skrabec ability = clk_get_rate(mixer->mod_clk); 178a7db690cSJernej Skrabec /* BSP algorithm assumes 80% efficiency of VI scaler unit */ 179a7db690cSJernej Skrabec ability *= 80; 180a7db690cSJernej Skrabec do_div(ability, mode->vdisplay * fps * max(src_w, dst_w)); 181a7db690cSJernej Skrabec 182a7db690cSJernej Skrabec required = src_h * 100 / dst_h; 183a7db690cSJernej Skrabec 184a7db690cSJernej Skrabec if (ability < required) { 185a7db690cSJernej Skrabec DRM_DEBUG_DRIVER("Using vertical coarse scaling\n"); 186a7db690cSJernej Skrabec vm = src_h; 187a7db690cSJernej Skrabec vn = (u32)ability * dst_h / 100; 188a7db690cSJernej Skrabec src_h = vn; 189a7db690cSJernej Skrabec } 190a7db690cSJernej Skrabec 191a7db690cSJernej Skrabec /* it seems that every RGB scaler has buffer for 2048 pixels */ 192a7db690cSJernej Skrabec scanline = subsampled ? mixer->cfg->scanline_yuv : 2048; 193a7db690cSJernej Skrabec 194a7db690cSJernej Skrabec if (src_w > scanline) { 195a7db690cSJernej Skrabec DRM_DEBUG_DRIVER("Using horizontal coarse scaling\n"); 196a7db690cSJernej Skrabec hm = src_w; 197a7db690cSJernej Skrabec hn = scanline; 198a7db690cSJernej Skrabec src_w = hn; 199a7db690cSJernej Skrabec } 200a7db690cSJernej Skrabec 201a7db690cSJernej Skrabec hscale = (src_w << 16) / dst_w; 202a7db690cSJernej Skrabec vscale = (src_h << 16) / dst_h; 203b862a648SJernej Skrabec 204b862a648SJernej Skrabec sun8i_vi_scaler_setup(mixer, channel, src_w, src_h, dst_w, 2051343bd6cSJernej Skrabec dst_h, hscale, vscale, hphase, vphase, 2061343bd6cSJernej Skrabec format); 207b862a648SJernej Skrabec sun8i_vi_scaler_enable(mixer, channel, true); 208b862a648SJernej Skrabec } else { 209b862a648SJernej Skrabec DRM_DEBUG_DRIVER("HW scaling is not needed\n"); 210b862a648SJernej Skrabec sun8i_vi_scaler_enable(mixer, channel, false); 211b862a648SJernej Skrabec } 2127480ba4dSJernej Skrabec 213a7db690cSJernej Skrabec regmap_write(mixer->engine.regs, 214a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_HDS_Y(ch_base), 215a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_N(hn) | 216a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_M(hm)); 217a7db690cSJernej Skrabec regmap_write(mixer->engine.regs, 218a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_HDS_UV(ch_base), 219a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_N(hn) | 220a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_M(hm)); 221a7db690cSJernej Skrabec regmap_write(mixer->engine.regs, 222a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_VDS_Y(ch_base), 223a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_N(vn) | 224a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_M(vm)); 225a7db690cSJernej Skrabec regmap_write(mixer->engine.regs, 226a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_VDS_UV(ch_base), 227a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_N(vn) | 228a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_M(vm)); 229a7db690cSJernej Skrabec 2307480ba4dSJernej Skrabec /* Set base coordinates */ 231b862a648SJernej Skrabec DRM_DEBUG_DRIVER("Layer destination coordinates X: %d Y: %d\n", 2327480ba4dSJernej Skrabec state->dst.x1, state->dst.y1); 233b862a648SJernej Skrabec DRM_DEBUG_DRIVER("Layer destination size W: %d H: %d\n", dst_w, dst_h); 2347480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 2354b09c073SJernej Skrabec SUN8I_MIXER_BLEND_ATTR_COORD(bld_base, zpos), 2367480ba4dSJernej Skrabec SUN8I_MIXER_COORD(state->dst.x1, state->dst.y1)); 2377480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 2384b09c073SJernej Skrabec SUN8I_MIXER_BLEND_ATTR_INSIZE(bld_base, zpos), 239b862a648SJernej Skrabec outsize); 2407480ba4dSJernej Skrabec 2417480ba4dSJernej Skrabec return 0; 2427480ba4dSJernej Skrabec } 2437480ba4dSJernej Skrabec 2440ee9f600SJernej Skrabec static u32 sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format) 245daab3d0eSJernej Skrabec { 246daab3d0eSJernej Skrabec if (!format->is_yuv) 247daab3d0eSJernej Skrabec return SUN8I_CSC_MODE_OFF; 248daab3d0eSJernej Skrabec 249daab3d0eSJernej Skrabec switch (format->format) { 250daab3d0eSJernej Skrabec case DRM_FORMAT_YVU411: 251daab3d0eSJernej Skrabec case DRM_FORMAT_YVU420: 252daab3d0eSJernej Skrabec case DRM_FORMAT_YVU422: 253daab3d0eSJernej Skrabec case DRM_FORMAT_YVU444: 254daab3d0eSJernej Skrabec return SUN8I_CSC_MODE_YVU2RGB; 255daab3d0eSJernej Skrabec default: 256daab3d0eSJernej Skrabec return SUN8I_CSC_MODE_YUV2RGB; 257daab3d0eSJernej Skrabec } 258daab3d0eSJernej Skrabec } 259daab3d0eSJernej Skrabec 2607480ba4dSJernej Skrabec static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel, 2617480ba4dSJernej Skrabec int overlay, struct drm_plane *plane) 2627480ba4dSJernej Skrabec { 2637480ba4dSJernej Skrabec struct drm_plane_state *state = plane->state; 2647831112eSJernej Skrabec u32 val, ch_base, csc_mode, hw_fmt; 265a9a75359SJernej Skrabec const struct drm_format_info *fmt; 2667831112eSJernej Skrabec int ret; 2674b09c073SJernej Skrabec 2684b09c073SJernej Skrabec ch_base = sun8i_channel_base(mixer, channel); 2697480ba4dSJernej Skrabec 270a9a75359SJernej Skrabec fmt = state->fb->format; 2717831112eSJernej Skrabec ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt); 2727831112eSJernej Skrabec if (ret) { 2737480ba4dSJernej Skrabec DRM_DEBUG_DRIVER("Invalid format\n"); 2747831112eSJernej Skrabec return ret; 2757480ba4dSJernej Skrabec } 2767480ba4dSJernej Skrabec 2777831112eSJernej Skrabec val = hw_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET; 2787480ba4dSJernej Skrabec regmap_update_bits(mixer->engine.regs, 2794b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 280e1ef9006SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val); 281e1ef9006SJernej Skrabec 282daab3d0eSJernej Skrabec csc_mode = sun8i_vi_layer_get_csc_mode(fmt); 283daab3d0eSJernej Skrabec if (csc_mode != SUN8I_CSC_MODE_OFF) { 284daab3d0eSJernej Skrabec sun8i_csc_set_ccsc_coefficients(mixer, channel, csc_mode, 285b72cb0dcSJernej Skrabec state->color_encoding, 286b72cb0dcSJernej Skrabec state->color_range); 287e1ef9006SJernej Skrabec sun8i_csc_enable_ccsc(mixer, channel, true); 288e1ef9006SJernej Skrabec } else { 289e1ef9006SJernej Skrabec sun8i_csc_enable_ccsc(mixer, channel, false); 290e1ef9006SJernej Skrabec } 291e1ef9006SJernej Skrabec 292a9a75359SJernej Skrabec if (!fmt->is_yuv) 293e1ef9006SJernej Skrabec val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE; 294e1ef9006SJernej Skrabec else 295e1ef9006SJernej Skrabec val = 0; 296e1ef9006SJernej Skrabec 297e1ef9006SJernej Skrabec regmap_update_bits(mixer->engine.regs, 2984b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 299e1ef9006SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE, val); 3007480ba4dSJernej Skrabec 3017480ba4dSJernej Skrabec return 0; 3027480ba4dSJernej Skrabec } 3037480ba4dSJernej Skrabec 3047480ba4dSJernej Skrabec static int sun8i_vi_layer_update_buffer(struct sun8i_mixer *mixer, int channel, 3057480ba4dSJernej Skrabec int overlay, struct drm_plane *plane) 3067480ba4dSJernej Skrabec { 3077480ba4dSJernej Skrabec struct drm_plane_state *state = plane->state; 3087480ba4dSJernej Skrabec struct drm_framebuffer *fb = state->fb; 309e1ef9006SJernej Skrabec const struct drm_format_info *format = fb->format; 3107480ba4dSJernej Skrabec struct drm_gem_cma_object *gem; 311e1ef9006SJernej Skrabec u32 dx, dy, src_x, src_y; 3127480ba4dSJernej Skrabec dma_addr_t paddr; 3134b09c073SJernej Skrabec u32 ch_base; 314e1ef9006SJernej Skrabec int i; 3157480ba4dSJernej Skrabec 3164b09c073SJernej Skrabec ch_base = sun8i_channel_base(mixer, channel); 3174b09c073SJernej Skrabec 318e1ef9006SJernej Skrabec /* Adjust x and y to be dividable by subsampling factor */ 319e1ef9006SJernej Skrabec src_x = (state->src.x1 >> 16) & ~(format->hsub - 1); 320e1ef9006SJernej Skrabec src_y = (state->src.y1 >> 16) & ~(format->vsub - 1); 321e1ef9006SJernej Skrabec 322e1ef9006SJernej Skrabec for (i = 0; i < format->num_planes; i++) { 3237480ba4dSJernej Skrabec /* Get the physical address of the buffer in memory */ 324e1ef9006SJernej Skrabec gem = drm_fb_cma_get_gem_obj(fb, i); 3257480ba4dSJernej Skrabec 3267480ba4dSJernej Skrabec DRM_DEBUG_DRIVER("Using GEM @ %pad\n", &gem->paddr); 3277480ba4dSJernej Skrabec 3287480ba4dSJernej Skrabec /* Compute the start of the displayed memory */ 329e1ef9006SJernej Skrabec paddr = gem->paddr + fb->offsets[i]; 330e1ef9006SJernej Skrabec 331e1ef9006SJernej Skrabec dx = src_x; 332e1ef9006SJernej Skrabec dy = src_y; 333e1ef9006SJernej Skrabec 334e1ef9006SJernej Skrabec if (i > 0) { 335e1ef9006SJernej Skrabec dx /= format->hsub; 336e1ef9006SJernej Skrabec dy /= format->vsub; 337e1ef9006SJernej Skrabec } 3387480ba4dSJernej Skrabec 3397480ba4dSJernej Skrabec /* Fixup framebuffer address for src coordinates */ 340e1ef9006SJernej Skrabec paddr += dx * format->cpp[i]; 341e1ef9006SJernej Skrabec paddr += dy * fb->pitches[i]; 3427480ba4dSJernej Skrabec 3437480ba4dSJernej Skrabec /* Set the line width */ 344e1ef9006SJernej Skrabec DRM_DEBUG_DRIVER("Layer %d. line width: %d bytes\n", 345e1ef9006SJernej Skrabec i + 1, fb->pitches[i]); 3467480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 3474b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_PITCH(ch_base, 348e1ef9006SJernej Skrabec overlay, i), 349e1ef9006SJernej Skrabec fb->pitches[i]); 3507480ba4dSJernej Skrabec 351e1ef9006SJernej Skrabec DRM_DEBUG_DRIVER("Setting %d. buffer address to %pad\n", 352e1ef9006SJernej Skrabec i + 1, &paddr); 3537480ba4dSJernej Skrabec 3547480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 3554b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(ch_base, 356e1ef9006SJernej Skrabec overlay, i), 3577480ba4dSJernej Skrabec lower_32_bits(paddr)); 358e1ef9006SJernej Skrabec } 3597480ba4dSJernej Skrabec 3607480ba4dSJernej Skrabec return 0; 3617480ba4dSJernej Skrabec } 3627480ba4dSJernej Skrabec 3637480ba4dSJernej Skrabec static int sun8i_vi_layer_atomic_check(struct drm_plane *plane, 3647c11b99aSMaxime Ripard struct drm_atomic_state *state) 3657480ba4dSJernej Skrabec { 3667c11b99aSMaxime Ripard struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 3677c11b99aSMaxime Ripard plane); 368b862a648SJernej Skrabec struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 369ba5c1649SMaxime Ripard struct drm_crtc *crtc = new_plane_state->crtc; 3707480ba4dSJernej Skrabec struct drm_crtc_state *crtc_state; 371b862a648SJernej Skrabec int min_scale, max_scale; 3727480ba4dSJernej Skrabec 3737480ba4dSJernej Skrabec if (!crtc) 3747480ba4dSJernej Skrabec return 0; 3757480ba4dSJernej Skrabec 376dec92020SMaxime Ripard crtc_state = drm_atomic_get_existing_crtc_state(state, 377ba5c1649SMaxime Ripard crtc); 3787480ba4dSJernej Skrabec if (WARN_ON(!crtc_state)) 3797480ba4dSJernej Skrabec return -EINVAL; 3807480ba4dSJernej Skrabec 381bc29489fSJernej Skrabec min_scale = DRM_PLANE_HELPER_NO_SCALING; 382bc29489fSJernej Skrabec max_scale = DRM_PLANE_HELPER_NO_SCALING; 383bc29489fSJernej Skrabec 384b862a648SJernej Skrabec if (layer->mixer->cfg->scaler_mask & BIT(layer->channel)) { 385b862a648SJernej Skrabec min_scale = SUN8I_VI_SCALER_SCALE_MIN; 386b862a648SJernej Skrabec max_scale = SUN8I_VI_SCALER_SCALE_MAX; 387b862a648SJernej Skrabec } 388b862a648SJernej Skrabec 389ba5c1649SMaxime Ripard return drm_atomic_helper_check_plane_state(new_plane_state, 390ba5c1649SMaxime Ripard crtc_state, 391b862a648SJernej Skrabec min_scale, max_scale, 3927480ba4dSJernej Skrabec true, true); 3937480ba4dSJernej Skrabec } 3947480ba4dSJernej Skrabec 3957480ba4dSJernej Skrabec static void sun8i_vi_layer_atomic_disable(struct drm_plane *plane, 3967480ba4dSJernej Skrabec struct drm_plane_state *old_state) 3977480ba4dSJernej Skrabec { 3987480ba4dSJernej Skrabec struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 399d8b3f454SPaul Kocialkowski unsigned int old_zpos = old_state->normalized_zpos; 4007480ba4dSJernej Skrabec struct sun8i_mixer *mixer = layer->mixer; 4017480ba4dSJernej Skrabec 402d8b3f454SPaul Kocialkowski sun8i_vi_layer_enable(mixer, layer->channel, layer->overlay, false, 0, 403d8b3f454SPaul Kocialkowski old_zpos); 4047480ba4dSJernej Skrabec } 4057480ba4dSJernej Skrabec 4067480ba4dSJernej Skrabec static void sun8i_vi_layer_atomic_update(struct drm_plane *plane, 4077480ba4dSJernej Skrabec struct drm_plane_state *old_state) 4087480ba4dSJernej Skrabec { 409*e05162c0SMaxime Ripard struct drm_plane_state *new_state = plane->state; 4107480ba4dSJernej Skrabec struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 411*e05162c0SMaxime Ripard unsigned int zpos = new_state->normalized_zpos; 412d8b3f454SPaul Kocialkowski unsigned int old_zpos = old_state->normalized_zpos; 4137480ba4dSJernej Skrabec struct sun8i_mixer *mixer = layer->mixer; 4147480ba4dSJernej Skrabec 415*e05162c0SMaxime Ripard if (!new_state->visible) { 4167480ba4dSJernej Skrabec sun8i_vi_layer_enable(mixer, layer->channel, 417d8b3f454SPaul Kocialkowski layer->overlay, false, 0, old_zpos); 4187480ba4dSJernej Skrabec return; 4197480ba4dSJernej Skrabec } 4207480ba4dSJernej Skrabec 4217480ba4dSJernej Skrabec sun8i_vi_layer_update_coord(mixer, layer->channel, 422f88c5ee7SJernej Skrabec layer->overlay, plane, zpos); 423c0f6f0c4SRoman Stratiienko sun8i_vi_layer_update_alpha(mixer, layer->channel, 424c0f6f0c4SRoman Stratiienko layer->overlay, plane); 4257480ba4dSJernej Skrabec sun8i_vi_layer_update_formats(mixer, layer->channel, 4267480ba4dSJernej Skrabec layer->overlay, plane); 4277480ba4dSJernej Skrabec sun8i_vi_layer_update_buffer(mixer, layer->channel, 4287480ba4dSJernej Skrabec layer->overlay, plane); 429f88c5ee7SJernej Skrabec sun8i_vi_layer_enable(mixer, layer->channel, layer->overlay, 430d8b3f454SPaul Kocialkowski true, zpos, old_zpos); 4317480ba4dSJernej Skrabec } 4327480ba4dSJernej Skrabec 433f13478c9SRikard Falkeborn static const struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = { 434820c1707SThomas Zimmermann .prepare_fb = drm_gem_plane_helper_prepare_fb, 4357480ba4dSJernej Skrabec .atomic_check = sun8i_vi_layer_atomic_check, 4367480ba4dSJernej Skrabec .atomic_disable = sun8i_vi_layer_atomic_disable, 4377480ba4dSJernej Skrabec .atomic_update = sun8i_vi_layer_atomic_update, 4387480ba4dSJernej Skrabec }; 4397480ba4dSJernej Skrabec 4407480ba4dSJernej Skrabec static const struct drm_plane_funcs sun8i_vi_layer_funcs = { 4417480ba4dSJernej Skrabec .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 4427480ba4dSJernej Skrabec .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 4437480ba4dSJernej Skrabec .destroy = drm_plane_cleanup, 4447480ba4dSJernej Skrabec .disable_plane = drm_atomic_helper_disable_plane, 4457480ba4dSJernej Skrabec .reset = drm_atomic_helper_plane_reset, 4467480ba4dSJernej Skrabec .update_plane = drm_atomic_helper_update_plane, 4477480ba4dSJernej Skrabec }; 4487480ba4dSJernej Skrabec 4497480ba4dSJernej Skrabec /* 45020896ef1SJernej Skrabec * While DE2 VI layer supports same RGB formats as UI layer, alpha 45120896ef1SJernej Skrabec * channel is ignored. This structure lists all unique variants 45220896ef1SJernej Skrabec * where alpha channel is replaced with "don't care" (X) channel. 4537480ba4dSJernej Skrabec */ 4547480ba4dSJernej Skrabec static const u32 sun8i_vi_layer_formats[] = { 4557480ba4dSJernej Skrabec DRM_FORMAT_BGR565, 4567480ba4dSJernej Skrabec DRM_FORMAT_BGR888, 45720896ef1SJernej Skrabec DRM_FORMAT_BGRX4444, 45820896ef1SJernej Skrabec DRM_FORMAT_BGRX5551, 4597480ba4dSJernej Skrabec DRM_FORMAT_BGRX8888, 4607480ba4dSJernej Skrabec DRM_FORMAT_RGB565, 4617480ba4dSJernej Skrabec DRM_FORMAT_RGB888, 46220896ef1SJernej Skrabec DRM_FORMAT_RGBX4444, 46320896ef1SJernej Skrabec DRM_FORMAT_RGBX5551, 4647480ba4dSJernej Skrabec DRM_FORMAT_RGBX8888, 46520896ef1SJernej Skrabec DRM_FORMAT_XBGR1555, 46620896ef1SJernej Skrabec DRM_FORMAT_XBGR4444, 4677480ba4dSJernej Skrabec DRM_FORMAT_XBGR8888, 46820896ef1SJernej Skrabec DRM_FORMAT_XRGB1555, 46920896ef1SJernej Skrabec DRM_FORMAT_XRGB4444, 4707480ba4dSJernej Skrabec DRM_FORMAT_XRGB8888, 471e1ef9006SJernej Skrabec 472e1ef9006SJernej Skrabec DRM_FORMAT_NV16, 473e1ef9006SJernej Skrabec DRM_FORMAT_NV12, 474e1ef9006SJernej Skrabec DRM_FORMAT_NV21, 475e1ef9006SJernej Skrabec DRM_FORMAT_NV61, 476e1ef9006SJernej Skrabec DRM_FORMAT_UYVY, 477e1ef9006SJernej Skrabec DRM_FORMAT_VYUY, 478e1ef9006SJernej Skrabec DRM_FORMAT_YUYV, 479e1ef9006SJernej Skrabec DRM_FORMAT_YVYU, 480e1ef9006SJernej Skrabec DRM_FORMAT_YUV411, 481e1ef9006SJernej Skrabec DRM_FORMAT_YUV420, 482e1ef9006SJernej Skrabec DRM_FORMAT_YUV422, 483e1ef9006SJernej Skrabec DRM_FORMAT_YVU411, 484e1ef9006SJernej Skrabec DRM_FORMAT_YVU420, 485e1ef9006SJernej Skrabec DRM_FORMAT_YVU422, 4867480ba4dSJernej Skrabec }; 4877480ba4dSJernej Skrabec 488169ca4b3SJernej Skrabec static const u32 sun8i_vi_layer_de3_formats[] = { 489169ca4b3SJernej Skrabec DRM_FORMAT_ABGR1555, 490169ca4b3SJernej Skrabec DRM_FORMAT_ABGR2101010, 491169ca4b3SJernej Skrabec DRM_FORMAT_ABGR4444, 492169ca4b3SJernej Skrabec DRM_FORMAT_ABGR8888, 493169ca4b3SJernej Skrabec DRM_FORMAT_ARGB1555, 494169ca4b3SJernej Skrabec DRM_FORMAT_ARGB2101010, 495169ca4b3SJernej Skrabec DRM_FORMAT_ARGB4444, 496169ca4b3SJernej Skrabec DRM_FORMAT_ARGB8888, 497169ca4b3SJernej Skrabec DRM_FORMAT_BGR565, 498169ca4b3SJernej Skrabec DRM_FORMAT_BGR888, 499169ca4b3SJernej Skrabec DRM_FORMAT_BGRA1010102, 500169ca4b3SJernej Skrabec DRM_FORMAT_BGRA5551, 501169ca4b3SJernej Skrabec DRM_FORMAT_BGRA4444, 502169ca4b3SJernej Skrabec DRM_FORMAT_BGRA8888, 503169ca4b3SJernej Skrabec DRM_FORMAT_BGRX8888, 504169ca4b3SJernej Skrabec DRM_FORMAT_RGB565, 505169ca4b3SJernej Skrabec DRM_FORMAT_RGB888, 506169ca4b3SJernej Skrabec DRM_FORMAT_RGBA1010102, 507169ca4b3SJernej Skrabec DRM_FORMAT_RGBA4444, 508169ca4b3SJernej Skrabec DRM_FORMAT_RGBA5551, 509169ca4b3SJernej Skrabec DRM_FORMAT_RGBA8888, 510169ca4b3SJernej Skrabec DRM_FORMAT_RGBX8888, 511169ca4b3SJernej Skrabec DRM_FORMAT_XBGR8888, 512169ca4b3SJernej Skrabec DRM_FORMAT_XRGB8888, 513169ca4b3SJernej Skrabec 514169ca4b3SJernej Skrabec DRM_FORMAT_NV16, 515169ca4b3SJernej Skrabec DRM_FORMAT_NV12, 516169ca4b3SJernej Skrabec DRM_FORMAT_NV21, 517169ca4b3SJernej Skrabec DRM_FORMAT_NV61, 518169ca4b3SJernej Skrabec DRM_FORMAT_P010, 519169ca4b3SJernej Skrabec DRM_FORMAT_P210, 520169ca4b3SJernej Skrabec DRM_FORMAT_UYVY, 521169ca4b3SJernej Skrabec DRM_FORMAT_VYUY, 522169ca4b3SJernej Skrabec DRM_FORMAT_YUYV, 523169ca4b3SJernej Skrabec DRM_FORMAT_YVYU, 524169ca4b3SJernej Skrabec DRM_FORMAT_YUV411, 525169ca4b3SJernej Skrabec DRM_FORMAT_YUV420, 526169ca4b3SJernej Skrabec DRM_FORMAT_YUV422, 527169ca4b3SJernej Skrabec DRM_FORMAT_YVU411, 528169ca4b3SJernej Skrabec DRM_FORMAT_YVU420, 529169ca4b3SJernej Skrabec DRM_FORMAT_YVU422, 530169ca4b3SJernej Skrabec }; 531169ca4b3SJernej Skrabec 5327480ba4dSJernej Skrabec struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm, 5337480ba4dSJernej Skrabec struct sun8i_mixer *mixer, 5347480ba4dSJernej Skrabec int index) 5357480ba4dSJernej Skrabec { 5365917e0bdSJernej Skrabec u32 supported_encodings, supported_ranges; 537169ca4b3SJernej Skrabec unsigned int plane_cnt, format_count; 5387480ba4dSJernej Skrabec struct sun8i_vi_layer *layer; 539169ca4b3SJernej Skrabec const u32 *formats; 5407480ba4dSJernej Skrabec int ret; 5417480ba4dSJernej Skrabec 5427480ba4dSJernej Skrabec layer = devm_kzalloc(drm->dev, sizeof(*layer), GFP_KERNEL); 5437480ba4dSJernej Skrabec if (!layer) 5447480ba4dSJernej Skrabec return ERR_PTR(-ENOMEM); 5457480ba4dSJernej Skrabec 546169ca4b3SJernej Skrabec if (mixer->cfg->is_de3) { 547169ca4b3SJernej Skrabec formats = sun8i_vi_layer_de3_formats; 548169ca4b3SJernej Skrabec format_count = ARRAY_SIZE(sun8i_vi_layer_de3_formats); 549169ca4b3SJernej Skrabec } else { 550169ca4b3SJernej Skrabec formats = sun8i_vi_layer_formats; 551169ca4b3SJernej Skrabec format_count = ARRAY_SIZE(sun8i_vi_layer_formats); 552169ca4b3SJernej Skrabec } 553169ca4b3SJernej Skrabec 5547480ba4dSJernej Skrabec /* possible crtcs are set later */ 5557480ba4dSJernej Skrabec ret = drm_universal_plane_init(drm, &layer->plane, 0, 5567480ba4dSJernej Skrabec &sun8i_vi_layer_funcs, 557169ca4b3SJernej Skrabec formats, format_count, 5587480ba4dSJernej Skrabec NULL, DRM_PLANE_TYPE_OVERLAY, NULL); 5597480ba4dSJernej Skrabec if (ret) { 5607480ba4dSJernej Skrabec dev_err(drm->dev, "Couldn't initialize layer\n"); 5617480ba4dSJernej Skrabec return ERR_PTR(ret); 5627480ba4dSJernej Skrabec } 5637480ba4dSJernej Skrabec 564f88c5ee7SJernej Skrabec plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num; 565f88c5ee7SJernej Skrabec 566c0f6f0c4SRoman Stratiienko if (mixer->cfg->vi_num == 1 || mixer->cfg->is_de3) { 567c0f6f0c4SRoman Stratiienko ret = drm_plane_create_alpha_property(&layer->plane); 568c0f6f0c4SRoman Stratiienko if (ret) { 569c0f6f0c4SRoman Stratiienko dev_err(drm->dev, "Couldn't add alpha property\n"); 570c0f6f0c4SRoman Stratiienko return ERR_PTR(ret); 571c0f6f0c4SRoman Stratiienko } 572c0f6f0c4SRoman Stratiienko } 573c0f6f0c4SRoman Stratiienko 574f88c5ee7SJernej Skrabec ret = drm_plane_create_zpos_property(&layer->plane, index, 575f88c5ee7SJernej Skrabec 0, plane_cnt - 1); 5767480ba4dSJernej Skrabec if (ret) { 5777480ba4dSJernej Skrabec dev_err(drm->dev, "Couldn't add zpos property\n"); 5787480ba4dSJernej Skrabec return ERR_PTR(ret); 5797480ba4dSJernej Skrabec } 5807480ba4dSJernej Skrabec 5815917e0bdSJernej Skrabec supported_encodings = BIT(DRM_COLOR_YCBCR_BT601) | 5825917e0bdSJernej Skrabec BIT(DRM_COLOR_YCBCR_BT709); 5830cf1d704SJernej Skrabec if (mixer->cfg->is_de3) 5840cf1d704SJernej Skrabec supported_encodings |= BIT(DRM_COLOR_YCBCR_BT2020); 5855917e0bdSJernej Skrabec 5865917e0bdSJernej Skrabec supported_ranges = BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) | 5875917e0bdSJernej Skrabec BIT(DRM_COLOR_YCBCR_FULL_RANGE); 5885917e0bdSJernej Skrabec 5895917e0bdSJernej Skrabec ret = drm_plane_create_color_properties(&layer->plane, 5905917e0bdSJernej Skrabec supported_encodings, 5915917e0bdSJernej Skrabec supported_ranges, 5925917e0bdSJernej Skrabec DRM_COLOR_YCBCR_BT709, 5935917e0bdSJernej Skrabec DRM_COLOR_YCBCR_LIMITED_RANGE); 5945917e0bdSJernej Skrabec if (ret) { 5955917e0bdSJernej Skrabec dev_err(drm->dev, "Couldn't add encoding and range properties!\n"); 5965917e0bdSJernej Skrabec return ERR_PTR(ret); 5975917e0bdSJernej Skrabec } 5985917e0bdSJernej Skrabec 5997480ba4dSJernej Skrabec drm_plane_helper_add(&layer->plane, &sun8i_vi_layer_helper_funcs); 6007480ba4dSJernej Skrabec layer->mixer = mixer; 6017480ba4dSJernej Skrabec layer->channel = index; 6027480ba4dSJernej Skrabec layer->overlay = 0; 6037480ba4dSJernej Skrabec 6047480ba4dSJernej Skrabec return layer; 6057480ba4dSJernej Skrabec } 606