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> 890bb087fSVille Syrjälä #include <drm/drm_blend.h> 97480ba4dSJernej Skrabec #include <drm/drm_crtc.h> 106bcfe8eaSDanilo Krummrich #include <drm/drm_fb_dma_helper.h> 11720cf96dSVille Syrjälä #include <drm/drm_framebuffer.h> 12820c1707SThomas Zimmermann #include <drm/drm_gem_atomic_helper.h> 13*4a83c26aSDanilo Krummrich #include <drm/drm_gem_dma_helper.h> 14fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 157480ba4dSJernej Skrabec 16daab3d0eSJernej Skrabec #include "sun8i_csc.h" 177480ba4dSJernej Skrabec #include "sun8i_mixer.h" 181ef1380cSJernej Skrabec #include "sun8i_vi_layer.h" 19b862a648SJernej Skrabec #include "sun8i_vi_scaler.h" 207480ba4dSJernej Skrabec 217480ba4dSJernej Skrabec static void sun8i_vi_layer_enable(struct sun8i_mixer *mixer, int channel, 22d8b3f454SPaul Kocialkowski int overlay, bool enable, unsigned int zpos, 23d8b3f454SPaul Kocialkowski unsigned int old_zpos) 247480ba4dSJernej Skrabec { 254b09c073SJernej Skrabec u32 val, bld_base, ch_base; 264b09c073SJernej Skrabec 274b09c073SJernej Skrabec bld_base = sun8i_blender_base(mixer); 284b09c073SJernej Skrabec ch_base = sun8i_channel_base(mixer, channel); 297480ba4dSJernej Skrabec 307480ba4dSJernej Skrabec DRM_DEBUG_DRIVER("%sabling VI channel %d overlay %d\n", 317480ba4dSJernej Skrabec enable ? "En" : "Dis", channel, overlay); 327480ba4dSJernej Skrabec 337480ba4dSJernej Skrabec if (enable) 347480ba4dSJernej Skrabec val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN; 357480ba4dSJernej Skrabec else 367480ba4dSJernej Skrabec val = 0; 377480ba4dSJernej Skrabec 387480ba4dSJernej Skrabec regmap_update_bits(mixer->engine.regs, 394b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 407480ba4dSJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN, val); 417480ba4dSJernej Skrabec 42d8b3f454SPaul Kocialkowski if (!enable || zpos != old_zpos) { 43d8b3f454SPaul Kocialkowski regmap_update_bits(mixer->engine.regs, 444b09c073SJernej Skrabec SUN8I_MIXER_BLEND_PIPE_CTL(bld_base), 45d8b3f454SPaul Kocialkowski SUN8I_MIXER_BLEND_PIPE_CTL_EN(old_zpos), 46d8b3f454SPaul Kocialkowski 0); 47d8b3f454SPaul Kocialkowski 48d8b3f454SPaul Kocialkowski regmap_update_bits(mixer->engine.regs, 494b09c073SJernej Skrabec SUN8I_MIXER_BLEND_ROUTE(bld_base), 50d8b3f454SPaul Kocialkowski SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(old_zpos), 51d8b3f454SPaul Kocialkowski 0); 52d8b3f454SPaul Kocialkowski } 53d8b3f454SPaul Kocialkowski 54f88c5ee7SJernej Skrabec if (enable) { 55f88c5ee7SJernej Skrabec val = SUN8I_MIXER_BLEND_PIPE_CTL_EN(zpos); 567480ba4dSJernej Skrabec 577480ba4dSJernej Skrabec regmap_update_bits(mixer->engine.regs, 584b09c073SJernej Skrabec SUN8I_MIXER_BLEND_PIPE_CTL(bld_base), 594b09c073SJernej Skrabec val, val); 60f88c5ee7SJernej Skrabec 61f88c5ee7SJernej Skrabec val = channel << SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(zpos); 62f88c5ee7SJernej Skrabec 63f88c5ee7SJernej Skrabec regmap_update_bits(mixer->engine.regs, 644b09c073SJernej Skrabec SUN8I_MIXER_BLEND_ROUTE(bld_base), 65f88c5ee7SJernej Skrabec SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(zpos), 66f88c5ee7SJernej Skrabec val); 67f88c5ee7SJernej Skrabec } 687480ba4dSJernej Skrabec } 697480ba4dSJernej Skrabec 70c0f6f0c4SRoman Stratiienko static void sun8i_vi_layer_update_alpha(struct sun8i_mixer *mixer, int channel, 71c0f6f0c4SRoman Stratiienko int overlay, struct drm_plane *plane) 72c0f6f0c4SRoman Stratiienko { 73c0f6f0c4SRoman Stratiienko u32 mask, val, ch_base; 74c0f6f0c4SRoman Stratiienko 75c0f6f0c4SRoman Stratiienko ch_base = sun8i_channel_base(mixer, channel); 76c0f6f0c4SRoman Stratiienko 77c0f6f0c4SRoman Stratiienko if (mixer->cfg->is_de3) { 78c0f6f0c4SRoman Stratiienko mask = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK | 79c0f6f0c4SRoman Stratiienko SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK; 80c0f6f0c4SRoman Stratiienko val = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA 81c0f6f0c4SRoman Stratiienko (plane->state->alpha >> 8); 82c0f6f0c4SRoman Stratiienko 83c0f6f0c4SRoman Stratiienko val |= (plane->state->alpha == DRM_BLEND_ALPHA_OPAQUE) ? 84c0f6f0c4SRoman Stratiienko SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL : 85c0f6f0c4SRoman Stratiienko SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED; 86c0f6f0c4SRoman Stratiienko 87c0f6f0c4SRoman Stratiienko regmap_update_bits(mixer->engine.regs, 88c0f6f0c4SRoman Stratiienko SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, 89c0f6f0c4SRoman Stratiienko overlay), 90c0f6f0c4SRoman Stratiienko mask, val); 91c0f6f0c4SRoman Stratiienko } else if (mixer->cfg->vi_num == 1) { 92c0f6f0c4SRoman Stratiienko regmap_update_bits(mixer->engine.regs, 93c0f6f0c4SRoman Stratiienko SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG, 94c0f6f0c4SRoman Stratiienko SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK, 95c0f6f0c4SRoman Stratiienko SUN8I_MIXER_FCC_GLOBAL_ALPHA 96c0f6f0c4SRoman Stratiienko (plane->state->alpha >> 8)); 97c0f6f0c4SRoman Stratiienko } 98c0f6f0c4SRoman Stratiienko } 99c0f6f0c4SRoman Stratiienko 1007480ba4dSJernej Skrabec static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel, 101f88c5ee7SJernej Skrabec int overlay, struct drm_plane *plane, 102f88c5ee7SJernej Skrabec unsigned int zpos) 1037480ba4dSJernej Skrabec { 1047480ba4dSJernej Skrabec struct drm_plane_state *state = plane->state; 1051343bd6cSJernej Skrabec const struct drm_format_info *format = state->fb->format; 106b862a648SJernej Skrabec u32 src_w, src_h, dst_w, dst_h; 1074b09c073SJernej Skrabec u32 bld_base, ch_base; 108b862a648SJernej Skrabec u32 outsize, insize; 109b862a648SJernej Skrabec u32 hphase, vphase; 110a7db690cSJernej Skrabec u32 hn = 0, hm = 0; 111a7db690cSJernej Skrabec u32 vn = 0, vm = 0; 112e1ef9006SJernej Skrabec bool subsampled; 1137480ba4dSJernej Skrabec 1147480ba4dSJernej Skrabec DRM_DEBUG_DRIVER("Updating VI channel %d overlay %d\n", 1157480ba4dSJernej Skrabec channel, overlay); 116b862a648SJernej Skrabec 1174b09c073SJernej Skrabec bld_base = sun8i_blender_base(mixer); 1184b09c073SJernej Skrabec ch_base = sun8i_channel_base(mixer, channel); 1194b09c073SJernej Skrabec 120b862a648SJernej Skrabec src_w = drm_rect_width(&state->src) >> 16; 121b862a648SJernej Skrabec src_h = drm_rect_height(&state->src) >> 16; 122b862a648SJernej Skrabec dst_w = drm_rect_width(&state->dst); 123b862a648SJernej Skrabec dst_h = drm_rect_height(&state->dst); 124b862a648SJernej Skrabec 125b862a648SJernej Skrabec hphase = state->src.x1 & 0xffff; 126b862a648SJernej Skrabec vphase = state->src.y1 & 0xffff; 127b862a648SJernej Skrabec 128e1ef9006SJernej Skrabec /* make coordinates dividable by subsampling factor */ 129e1ef9006SJernej Skrabec if (format->hsub > 1) { 130e1ef9006SJernej Skrabec int mask, remainder; 131e1ef9006SJernej Skrabec 132e1ef9006SJernej Skrabec mask = format->hsub - 1; 133e1ef9006SJernej Skrabec remainder = (state->src.x1 >> 16) & mask; 134e1ef9006SJernej Skrabec src_w = (src_w + remainder) & ~mask; 135e1ef9006SJernej Skrabec hphase += remainder << 16; 136e1ef9006SJernej Skrabec } 137e1ef9006SJernej Skrabec 138e1ef9006SJernej Skrabec if (format->vsub > 1) { 139e1ef9006SJernej Skrabec int mask, remainder; 140e1ef9006SJernej Skrabec 141e1ef9006SJernej Skrabec mask = format->vsub - 1; 142e1ef9006SJernej Skrabec remainder = (state->src.y1 >> 16) & mask; 143e1ef9006SJernej Skrabec src_h = (src_h + remainder) & ~mask; 144e1ef9006SJernej Skrabec vphase += remainder << 16; 145e1ef9006SJernej Skrabec } 146e1ef9006SJernej Skrabec 147b862a648SJernej Skrabec insize = SUN8I_MIXER_SIZE(src_w, src_h); 148b862a648SJernej Skrabec outsize = SUN8I_MIXER_SIZE(dst_w, dst_h); 1497480ba4dSJernej Skrabec 1507480ba4dSJernej Skrabec /* Set height and width */ 151b862a648SJernej Skrabec DRM_DEBUG_DRIVER("Layer source offset X: %d Y: %d\n", 152e1ef9006SJernej Skrabec (state->src.x1 >> 16) & ~(format->hsub - 1), 153e1ef9006SJernej Skrabec (state->src.y1 >> 16) & ~(format->vsub - 1)); 154b862a648SJernej Skrabec DRM_DEBUG_DRIVER("Layer source size W: %d H: %d\n", src_w, src_h); 1557480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 1564b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_SIZE(ch_base, overlay), 157b862a648SJernej Skrabec insize); 1587480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 1594b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_OVL_SIZE(ch_base), 160b862a648SJernej Skrabec insize); 161b862a648SJernej Skrabec 162e1ef9006SJernej Skrabec /* 163e1ef9006SJernej Skrabec * Scaler must be enabled for subsampled formats, so it scales 164e1ef9006SJernej Skrabec * chroma to same size as luma. 165e1ef9006SJernej Skrabec */ 166e1ef9006SJernej Skrabec subsampled = format->hsub > 1 || format->vsub > 1; 167e1ef9006SJernej Skrabec 168e1ef9006SJernej Skrabec if (insize != outsize || subsampled || hphase || vphase) { 169a7db690cSJernej Skrabec unsigned int scanline, required; 170a7db690cSJernej Skrabec struct drm_display_mode *mode; 171a7db690cSJernej Skrabec u32 hscale, vscale, fps; 172a7db690cSJernej Skrabec u64 ability; 173b862a648SJernej Skrabec 174b862a648SJernej Skrabec DRM_DEBUG_DRIVER("HW scaling is enabled\n"); 175b862a648SJernej Skrabec 176a7db690cSJernej Skrabec mode = &plane->state->crtc->state->mode; 177a7db690cSJernej Skrabec fps = (mode->clock * 1000) / (mode->vtotal * mode->htotal); 178a7db690cSJernej Skrabec ability = clk_get_rate(mixer->mod_clk); 179a7db690cSJernej Skrabec /* BSP algorithm assumes 80% efficiency of VI scaler unit */ 180a7db690cSJernej Skrabec ability *= 80; 181a7db690cSJernej Skrabec do_div(ability, mode->vdisplay * fps * max(src_w, dst_w)); 182a7db690cSJernej Skrabec 183a7db690cSJernej Skrabec required = src_h * 100 / dst_h; 184a7db690cSJernej Skrabec 185a7db690cSJernej Skrabec if (ability < required) { 186a7db690cSJernej Skrabec DRM_DEBUG_DRIVER("Using vertical coarse scaling\n"); 187a7db690cSJernej Skrabec vm = src_h; 188a7db690cSJernej Skrabec vn = (u32)ability * dst_h / 100; 189a7db690cSJernej Skrabec src_h = vn; 190a7db690cSJernej Skrabec } 191a7db690cSJernej Skrabec 192a7db690cSJernej Skrabec /* it seems that every RGB scaler has buffer for 2048 pixels */ 193a7db690cSJernej Skrabec scanline = subsampled ? mixer->cfg->scanline_yuv : 2048; 194a7db690cSJernej Skrabec 195a7db690cSJernej Skrabec if (src_w > scanline) { 196a7db690cSJernej Skrabec DRM_DEBUG_DRIVER("Using horizontal coarse scaling\n"); 197a7db690cSJernej Skrabec hm = src_w; 198a7db690cSJernej Skrabec hn = scanline; 199a7db690cSJernej Skrabec src_w = hn; 200a7db690cSJernej Skrabec } 201a7db690cSJernej Skrabec 202a7db690cSJernej Skrabec hscale = (src_w << 16) / dst_w; 203a7db690cSJernej Skrabec vscale = (src_h << 16) / dst_h; 204b862a648SJernej Skrabec 205b862a648SJernej Skrabec sun8i_vi_scaler_setup(mixer, channel, src_w, src_h, dst_w, 2061343bd6cSJernej Skrabec dst_h, hscale, vscale, hphase, vphase, 2071343bd6cSJernej Skrabec format); 208b862a648SJernej Skrabec sun8i_vi_scaler_enable(mixer, channel, true); 209b862a648SJernej Skrabec } else { 210b862a648SJernej Skrabec DRM_DEBUG_DRIVER("HW scaling is not needed\n"); 211b862a648SJernej Skrabec sun8i_vi_scaler_enable(mixer, channel, false); 212b862a648SJernej Skrabec } 2137480ba4dSJernej Skrabec 214a7db690cSJernej Skrabec regmap_write(mixer->engine.regs, 215a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_HDS_Y(ch_base), 216a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_N(hn) | 217a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_M(hm)); 218a7db690cSJernej Skrabec regmap_write(mixer->engine.regs, 219a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_HDS_UV(ch_base), 220a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_N(hn) | 221a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_M(hm)); 222a7db690cSJernej Skrabec regmap_write(mixer->engine.regs, 223a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_VDS_Y(ch_base), 224a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_N(vn) | 225a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_M(vm)); 226a7db690cSJernej Skrabec regmap_write(mixer->engine.regs, 227a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_VDS_UV(ch_base), 228a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_N(vn) | 229a7db690cSJernej Skrabec SUN8I_MIXER_CHAN_VI_DS_M(vm)); 230a7db690cSJernej Skrabec 2317480ba4dSJernej Skrabec /* Set base coordinates */ 232b862a648SJernej Skrabec DRM_DEBUG_DRIVER("Layer destination coordinates X: %d Y: %d\n", 2337480ba4dSJernej Skrabec state->dst.x1, state->dst.y1); 234b862a648SJernej Skrabec DRM_DEBUG_DRIVER("Layer destination size W: %d H: %d\n", dst_w, dst_h); 2357480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 2364b09c073SJernej Skrabec SUN8I_MIXER_BLEND_ATTR_COORD(bld_base, zpos), 2377480ba4dSJernej Skrabec SUN8I_MIXER_COORD(state->dst.x1, state->dst.y1)); 2387480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 2394b09c073SJernej Skrabec SUN8I_MIXER_BLEND_ATTR_INSIZE(bld_base, zpos), 240b862a648SJernej Skrabec outsize); 2417480ba4dSJernej Skrabec 2427480ba4dSJernej Skrabec return 0; 2437480ba4dSJernej Skrabec } 2447480ba4dSJernej Skrabec 2450ee9f600SJernej Skrabec static u32 sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format) 246daab3d0eSJernej Skrabec { 247daab3d0eSJernej Skrabec if (!format->is_yuv) 248daab3d0eSJernej Skrabec return SUN8I_CSC_MODE_OFF; 249daab3d0eSJernej Skrabec 250daab3d0eSJernej Skrabec switch (format->format) { 251daab3d0eSJernej Skrabec case DRM_FORMAT_YVU411: 252daab3d0eSJernej Skrabec case DRM_FORMAT_YVU420: 253daab3d0eSJernej Skrabec case DRM_FORMAT_YVU422: 254daab3d0eSJernej Skrabec case DRM_FORMAT_YVU444: 255daab3d0eSJernej Skrabec return SUN8I_CSC_MODE_YVU2RGB; 256daab3d0eSJernej Skrabec default: 257daab3d0eSJernej Skrabec return SUN8I_CSC_MODE_YUV2RGB; 258daab3d0eSJernej Skrabec } 259daab3d0eSJernej Skrabec } 260daab3d0eSJernej Skrabec 2617480ba4dSJernej Skrabec static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel, 2627480ba4dSJernej Skrabec int overlay, struct drm_plane *plane) 2637480ba4dSJernej Skrabec { 2647480ba4dSJernej Skrabec struct drm_plane_state *state = plane->state; 2657831112eSJernej Skrabec u32 val, ch_base, csc_mode, hw_fmt; 266a9a75359SJernej Skrabec const struct drm_format_info *fmt; 2677831112eSJernej Skrabec int ret; 2684b09c073SJernej Skrabec 2694b09c073SJernej Skrabec ch_base = sun8i_channel_base(mixer, channel); 2707480ba4dSJernej Skrabec 271a9a75359SJernej Skrabec fmt = state->fb->format; 2727831112eSJernej Skrabec ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt); 2737831112eSJernej Skrabec if (ret) { 2747480ba4dSJernej Skrabec DRM_DEBUG_DRIVER("Invalid format\n"); 2757831112eSJernej Skrabec return ret; 2767480ba4dSJernej Skrabec } 2777480ba4dSJernej Skrabec 2787831112eSJernej Skrabec val = hw_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET; 2797480ba4dSJernej Skrabec regmap_update_bits(mixer->engine.regs, 2804b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 281e1ef9006SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val); 282e1ef9006SJernej Skrabec 283daab3d0eSJernej Skrabec csc_mode = sun8i_vi_layer_get_csc_mode(fmt); 284daab3d0eSJernej Skrabec if (csc_mode != SUN8I_CSC_MODE_OFF) { 285daab3d0eSJernej Skrabec sun8i_csc_set_ccsc_coefficients(mixer, channel, csc_mode, 286b72cb0dcSJernej Skrabec state->color_encoding, 287b72cb0dcSJernej Skrabec state->color_range); 288e1ef9006SJernej Skrabec sun8i_csc_enable_ccsc(mixer, channel, true); 289e1ef9006SJernej Skrabec } else { 290e1ef9006SJernej Skrabec sun8i_csc_enable_ccsc(mixer, channel, false); 291e1ef9006SJernej Skrabec } 292e1ef9006SJernej Skrabec 293a9a75359SJernej Skrabec if (!fmt->is_yuv) 294e1ef9006SJernej Skrabec val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE; 295e1ef9006SJernej Skrabec else 296e1ef9006SJernej Skrabec val = 0; 297e1ef9006SJernej Skrabec 298e1ef9006SJernej Skrabec regmap_update_bits(mixer->engine.regs, 2994b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 300e1ef9006SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE, val); 3017480ba4dSJernej Skrabec 3027480ba4dSJernej Skrabec return 0; 3037480ba4dSJernej Skrabec } 3047480ba4dSJernej Skrabec 3057480ba4dSJernej Skrabec static int sun8i_vi_layer_update_buffer(struct sun8i_mixer *mixer, int channel, 3067480ba4dSJernej Skrabec int overlay, struct drm_plane *plane) 3077480ba4dSJernej Skrabec { 3087480ba4dSJernej Skrabec struct drm_plane_state *state = plane->state; 3097480ba4dSJernej Skrabec struct drm_framebuffer *fb = state->fb; 310e1ef9006SJernej Skrabec const struct drm_format_info *format = fb->format; 311*4a83c26aSDanilo Krummrich struct drm_gem_dma_object *gem; 312e1ef9006SJernej Skrabec u32 dx, dy, src_x, src_y; 3137480ba4dSJernej Skrabec dma_addr_t paddr; 3144b09c073SJernej Skrabec u32 ch_base; 315e1ef9006SJernej Skrabec int i; 3167480ba4dSJernej Skrabec 3174b09c073SJernej Skrabec ch_base = sun8i_channel_base(mixer, channel); 3184b09c073SJernej Skrabec 319e1ef9006SJernej Skrabec /* Adjust x and y to be dividable by subsampling factor */ 320e1ef9006SJernej Skrabec src_x = (state->src.x1 >> 16) & ~(format->hsub - 1); 321e1ef9006SJernej Skrabec src_y = (state->src.y1 >> 16) & ~(format->vsub - 1); 322e1ef9006SJernej Skrabec 323e1ef9006SJernej Skrabec for (i = 0; i < format->num_planes; i++) { 3247480ba4dSJernej Skrabec /* Get the physical address of the buffer in memory */ 3256bcfe8eaSDanilo Krummrich gem = drm_fb_dma_get_gem_obj(fb, i); 3267480ba4dSJernej Skrabec 3277480ba4dSJernej Skrabec DRM_DEBUG_DRIVER("Using GEM @ %pad\n", &gem->paddr); 3287480ba4dSJernej Skrabec 3297480ba4dSJernej Skrabec /* Compute the start of the displayed memory */ 330e1ef9006SJernej Skrabec paddr = gem->paddr + fb->offsets[i]; 331e1ef9006SJernej Skrabec 332e1ef9006SJernej Skrabec dx = src_x; 333e1ef9006SJernej Skrabec dy = src_y; 334e1ef9006SJernej Skrabec 335e1ef9006SJernej Skrabec if (i > 0) { 336e1ef9006SJernej Skrabec dx /= format->hsub; 337e1ef9006SJernej Skrabec dy /= format->vsub; 338e1ef9006SJernej Skrabec } 3397480ba4dSJernej Skrabec 3407480ba4dSJernej Skrabec /* Fixup framebuffer address for src coordinates */ 341e1ef9006SJernej Skrabec paddr += dx * format->cpp[i]; 342e1ef9006SJernej Skrabec paddr += dy * fb->pitches[i]; 3437480ba4dSJernej Skrabec 3447480ba4dSJernej Skrabec /* Set the line width */ 345e1ef9006SJernej Skrabec DRM_DEBUG_DRIVER("Layer %d. line width: %d bytes\n", 346e1ef9006SJernej Skrabec i + 1, fb->pitches[i]); 3477480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 3484b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_PITCH(ch_base, 349e1ef9006SJernej Skrabec overlay, i), 350e1ef9006SJernej Skrabec fb->pitches[i]); 3517480ba4dSJernej Skrabec 352e1ef9006SJernej Skrabec DRM_DEBUG_DRIVER("Setting %d. buffer address to %pad\n", 353e1ef9006SJernej Skrabec i + 1, &paddr); 3547480ba4dSJernej Skrabec 3557480ba4dSJernej Skrabec regmap_write(mixer->engine.regs, 3564b09c073SJernej Skrabec SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(ch_base, 357e1ef9006SJernej Skrabec overlay, i), 3587480ba4dSJernej Skrabec lower_32_bits(paddr)); 359e1ef9006SJernej Skrabec } 3607480ba4dSJernej Skrabec 3617480ba4dSJernej Skrabec return 0; 3627480ba4dSJernej Skrabec } 3637480ba4dSJernej Skrabec 3647480ba4dSJernej Skrabec static int sun8i_vi_layer_atomic_check(struct drm_plane *plane, 3657c11b99aSMaxime Ripard struct drm_atomic_state *state) 3667480ba4dSJernej Skrabec { 3677c11b99aSMaxime Ripard struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 3687c11b99aSMaxime Ripard plane); 369b862a648SJernej Skrabec struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 370ba5c1649SMaxime Ripard struct drm_crtc *crtc = new_plane_state->crtc; 3717480ba4dSJernej Skrabec struct drm_crtc_state *crtc_state; 372b862a648SJernej Skrabec int min_scale, max_scale; 3737480ba4dSJernej Skrabec 3747480ba4dSJernej Skrabec if (!crtc) 3757480ba4dSJernej Skrabec return 0; 3767480ba4dSJernej Skrabec 377dec92020SMaxime Ripard crtc_state = drm_atomic_get_existing_crtc_state(state, 378ba5c1649SMaxime Ripard crtc); 3797480ba4dSJernej Skrabec if (WARN_ON(!crtc_state)) 3807480ba4dSJernej Skrabec return -EINVAL; 3817480ba4dSJernej Skrabec 382cce32e4eSThomas Zimmermann min_scale = DRM_PLANE_NO_SCALING; 383cce32e4eSThomas Zimmermann max_scale = DRM_PLANE_NO_SCALING; 384bc29489fSJernej Skrabec 385b862a648SJernej Skrabec if (layer->mixer->cfg->scaler_mask & BIT(layer->channel)) { 386b862a648SJernej Skrabec min_scale = SUN8I_VI_SCALER_SCALE_MIN; 387b862a648SJernej Skrabec max_scale = SUN8I_VI_SCALER_SCALE_MAX; 388b862a648SJernej Skrabec } 389b862a648SJernej Skrabec 390ba5c1649SMaxime Ripard return drm_atomic_helper_check_plane_state(new_plane_state, 391ba5c1649SMaxime Ripard crtc_state, 392b862a648SJernej Skrabec min_scale, max_scale, 3937480ba4dSJernej Skrabec true, true); 3947480ba4dSJernej Skrabec } 3957480ba4dSJernej Skrabec 3967480ba4dSJernej Skrabec static void sun8i_vi_layer_atomic_disable(struct drm_plane *plane, 397977697e2SMaxime Ripard struct drm_atomic_state *state) 3987480ba4dSJernej Skrabec { 399977697e2SMaxime Ripard struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 400977697e2SMaxime Ripard plane); 4017480ba4dSJernej Skrabec struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 402d8b3f454SPaul Kocialkowski unsigned int old_zpos = old_state->normalized_zpos; 4037480ba4dSJernej Skrabec struct sun8i_mixer *mixer = layer->mixer; 4047480ba4dSJernej Skrabec 405d8b3f454SPaul Kocialkowski sun8i_vi_layer_enable(mixer, layer->channel, layer->overlay, false, 0, 406d8b3f454SPaul Kocialkowski old_zpos); 4077480ba4dSJernej Skrabec } 4087480ba4dSJernej Skrabec 4097480ba4dSJernej Skrabec static void sun8i_vi_layer_atomic_update(struct drm_plane *plane, 410977697e2SMaxime Ripard struct drm_atomic_state *state) 4117480ba4dSJernej Skrabec { 412977697e2SMaxime Ripard struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 413977697e2SMaxime Ripard plane); 41437418bf1SMaxime Ripard struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 41537418bf1SMaxime Ripard plane); 4167480ba4dSJernej Skrabec struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 417e05162c0SMaxime Ripard unsigned int zpos = new_state->normalized_zpos; 418d8b3f454SPaul Kocialkowski unsigned int old_zpos = old_state->normalized_zpos; 4197480ba4dSJernej Skrabec struct sun8i_mixer *mixer = layer->mixer; 4207480ba4dSJernej Skrabec 421e05162c0SMaxime Ripard if (!new_state->visible) { 4227480ba4dSJernej Skrabec sun8i_vi_layer_enable(mixer, layer->channel, 423d8b3f454SPaul Kocialkowski layer->overlay, false, 0, old_zpos); 4247480ba4dSJernej Skrabec return; 4257480ba4dSJernej Skrabec } 4267480ba4dSJernej Skrabec 4277480ba4dSJernej Skrabec sun8i_vi_layer_update_coord(mixer, layer->channel, 428f88c5ee7SJernej Skrabec layer->overlay, plane, zpos); 429c0f6f0c4SRoman Stratiienko sun8i_vi_layer_update_alpha(mixer, layer->channel, 430c0f6f0c4SRoman Stratiienko layer->overlay, plane); 4317480ba4dSJernej Skrabec sun8i_vi_layer_update_formats(mixer, layer->channel, 4327480ba4dSJernej Skrabec layer->overlay, plane); 4337480ba4dSJernej Skrabec sun8i_vi_layer_update_buffer(mixer, layer->channel, 4347480ba4dSJernej Skrabec layer->overlay, plane); 435f88c5ee7SJernej Skrabec sun8i_vi_layer_enable(mixer, layer->channel, layer->overlay, 436d8b3f454SPaul Kocialkowski true, zpos, old_zpos); 4377480ba4dSJernej Skrabec } 4387480ba4dSJernej Skrabec 439f13478c9SRikard Falkeborn static const struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = { 4407480ba4dSJernej Skrabec .atomic_check = sun8i_vi_layer_atomic_check, 4417480ba4dSJernej Skrabec .atomic_disable = sun8i_vi_layer_atomic_disable, 4427480ba4dSJernej Skrabec .atomic_update = sun8i_vi_layer_atomic_update, 4437480ba4dSJernej Skrabec }; 4447480ba4dSJernej Skrabec 4457480ba4dSJernej Skrabec static const struct drm_plane_funcs sun8i_vi_layer_funcs = { 4467480ba4dSJernej Skrabec .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 4477480ba4dSJernej Skrabec .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 4487480ba4dSJernej Skrabec .destroy = drm_plane_cleanup, 4497480ba4dSJernej Skrabec .disable_plane = drm_atomic_helper_disable_plane, 4507480ba4dSJernej Skrabec .reset = drm_atomic_helper_plane_reset, 4517480ba4dSJernej Skrabec .update_plane = drm_atomic_helper_update_plane, 4527480ba4dSJernej Skrabec }; 4537480ba4dSJernej Skrabec 4547480ba4dSJernej Skrabec /* 45520896ef1SJernej Skrabec * While DE2 VI layer supports same RGB formats as UI layer, alpha 45620896ef1SJernej Skrabec * channel is ignored. This structure lists all unique variants 45720896ef1SJernej Skrabec * where alpha channel is replaced with "don't care" (X) channel. 4587480ba4dSJernej Skrabec */ 4597480ba4dSJernej Skrabec static const u32 sun8i_vi_layer_formats[] = { 4607480ba4dSJernej Skrabec DRM_FORMAT_BGR565, 4617480ba4dSJernej Skrabec DRM_FORMAT_BGR888, 46220896ef1SJernej Skrabec DRM_FORMAT_BGRX4444, 46320896ef1SJernej Skrabec DRM_FORMAT_BGRX5551, 4647480ba4dSJernej Skrabec DRM_FORMAT_BGRX8888, 4657480ba4dSJernej Skrabec DRM_FORMAT_RGB565, 4667480ba4dSJernej Skrabec DRM_FORMAT_RGB888, 46720896ef1SJernej Skrabec DRM_FORMAT_RGBX4444, 46820896ef1SJernej Skrabec DRM_FORMAT_RGBX5551, 4697480ba4dSJernej Skrabec DRM_FORMAT_RGBX8888, 47020896ef1SJernej Skrabec DRM_FORMAT_XBGR1555, 47120896ef1SJernej Skrabec DRM_FORMAT_XBGR4444, 4727480ba4dSJernej Skrabec DRM_FORMAT_XBGR8888, 47320896ef1SJernej Skrabec DRM_FORMAT_XRGB1555, 47420896ef1SJernej Skrabec DRM_FORMAT_XRGB4444, 4757480ba4dSJernej Skrabec DRM_FORMAT_XRGB8888, 476e1ef9006SJernej Skrabec 477e1ef9006SJernej Skrabec DRM_FORMAT_NV16, 478e1ef9006SJernej Skrabec DRM_FORMAT_NV12, 479e1ef9006SJernej Skrabec DRM_FORMAT_NV21, 480e1ef9006SJernej Skrabec DRM_FORMAT_NV61, 481e1ef9006SJernej Skrabec DRM_FORMAT_UYVY, 482e1ef9006SJernej Skrabec DRM_FORMAT_VYUY, 483e1ef9006SJernej Skrabec DRM_FORMAT_YUYV, 484e1ef9006SJernej Skrabec DRM_FORMAT_YVYU, 485e1ef9006SJernej Skrabec DRM_FORMAT_YUV411, 486e1ef9006SJernej Skrabec DRM_FORMAT_YUV420, 487e1ef9006SJernej Skrabec DRM_FORMAT_YUV422, 488e1ef9006SJernej Skrabec DRM_FORMAT_YVU411, 489e1ef9006SJernej Skrabec DRM_FORMAT_YVU420, 490e1ef9006SJernej Skrabec DRM_FORMAT_YVU422, 4917480ba4dSJernej Skrabec }; 4927480ba4dSJernej Skrabec 493169ca4b3SJernej Skrabec static const u32 sun8i_vi_layer_de3_formats[] = { 494169ca4b3SJernej Skrabec DRM_FORMAT_ABGR1555, 495169ca4b3SJernej Skrabec DRM_FORMAT_ABGR2101010, 496169ca4b3SJernej Skrabec DRM_FORMAT_ABGR4444, 497169ca4b3SJernej Skrabec DRM_FORMAT_ABGR8888, 498169ca4b3SJernej Skrabec DRM_FORMAT_ARGB1555, 499169ca4b3SJernej Skrabec DRM_FORMAT_ARGB2101010, 500169ca4b3SJernej Skrabec DRM_FORMAT_ARGB4444, 501169ca4b3SJernej Skrabec DRM_FORMAT_ARGB8888, 502169ca4b3SJernej Skrabec DRM_FORMAT_BGR565, 503169ca4b3SJernej Skrabec DRM_FORMAT_BGR888, 504169ca4b3SJernej Skrabec DRM_FORMAT_BGRA1010102, 505169ca4b3SJernej Skrabec DRM_FORMAT_BGRA5551, 506169ca4b3SJernej Skrabec DRM_FORMAT_BGRA4444, 507169ca4b3SJernej Skrabec DRM_FORMAT_BGRA8888, 508169ca4b3SJernej Skrabec DRM_FORMAT_BGRX8888, 509169ca4b3SJernej Skrabec DRM_FORMAT_RGB565, 510169ca4b3SJernej Skrabec DRM_FORMAT_RGB888, 511169ca4b3SJernej Skrabec DRM_FORMAT_RGBA1010102, 512169ca4b3SJernej Skrabec DRM_FORMAT_RGBA4444, 513169ca4b3SJernej Skrabec DRM_FORMAT_RGBA5551, 514169ca4b3SJernej Skrabec DRM_FORMAT_RGBA8888, 515169ca4b3SJernej Skrabec DRM_FORMAT_RGBX8888, 516169ca4b3SJernej Skrabec DRM_FORMAT_XBGR8888, 517169ca4b3SJernej Skrabec DRM_FORMAT_XRGB8888, 518169ca4b3SJernej Skrabec 519169ca4b3SJernej Skrabec DRM_FORMAT_NV16, 520169ca4b3SJernej Skrabec DRM_FORMAT_NV12, 521169ca4b3SJernej Skrabec DRM_FORMAT_NV21, 522169ca4b3SJernej Skrabec DRM_FORMAT_NV61, 523169ca4b3SJernej Skrabec DRM_FORMAT_P010, 524169ca4b3SJernej Skrabec DRM_FORMAT_P210, 525169ca4b3SJernej Skrabec DRM_FORMAT_UYVY, 526169ca4b3SJernej Skrabec DRM_FORMAT_VYUY, 527169ca4b3SJernej Skrabec DRM_FORMAT_YUYV, 528169ca4b3SJernej Skrabec DRM_FORMAT_YVYU, 529169ca4b3SJernej Skrabec DRM_FORMAT_YUV411, 530169ca4b3SJernej Skrabec DRM_FORMAT_YUV420, 531169ca4b3SJernej Skrabec DRM_FORMAT_YUV422, 532169ca4b3SJernej Skrabec DRM_FORMAT_YVU411, 533169ca4b3SJernej Skrabec DRM_FORMAT_YVU420, 534169ca4b3SJernej Skrabec DRM_FORMAT_YVU422, 535169ca4b3SJernej Skrabec }; 536169ca4b3SJernej Skrabec 537b36a6bb8SPiotr Oniszczuk static const uint64_t sun8i_layer_modifiers[] = { 538b36a6bb8SPiotr Oniszczuk DRM_FORMAT_MOD_LINEAR, 539b36a6bb8SPiotr Oniszczuk DRM_FORMAT_MOD_INVALID 540b36a6bb8SPiotr Oniszczuk }; 541b36a6bb8SPiotr Oniszczuk 5427480ba4dSJernej Skrabec struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm, 5437480ba4dSJernej Skrabec struct sun8i_mixer *mixer, 5447480ba4dSJernej Skrabec int index) 5457480ba4dSJernej Skrabec { 546c3779dabSSamuel Holland enum drm_plane_type type = DRM_PLANE_TYPE_OVERLAY; 5475917e0bdSJernej Skrabec u32 supported_encodings, supported_ranges; 548169ca4b3SJernej Skrabec unsigned int plane_cnt, format_count; 5497480ba4dSJernej Skrabec struct sun8i_vi_layer *layer; 550169ca4b3SJernej Skrabec const u32 *formats; 5517480ba4dSJernej Skrabec int ret; 5527480ba4dSJernej Skrabec 5537480ba4dSJernej Skrabec layer = devm_kzalloc(drm->dev, sizeof(*layer), GFP_KERNEL); 5547480ba4dSJernej Skrabec if (!layer) 5557480ba4dSJernej Skrabec return ERR_PTR(-ENOMEM); 5567480ba4dSJernej Skrabec 557169ca4b3SJernej Skrabec if (mixer->cfg->is_de3) { 558169ca4b3SJernej Skrabec formats = sun8i_vi_layer_de3_formats; 559169ca4b3SJernej Skrabec format_count = ARRAY_SIZE(sun8i_vi_layer_de3_formats); 560169ca4b3SJernej Skrabec } else { 561169ca4b3SJernej Skrabec formats = sun8i_vi_layer_formats; 562169ca4b3SJernej Skrabec format_count = ARRAY_SIZE(sun8i_vi_layer_formats); 563169ca4b3SJernej Skrabec } 564169ca4b3SJernej Skrabec 565c3779dabSSamuel Holland if (!mixer->cfg->ui_num && index == 0) 566c3779dabSSamuel Holland type = DRM_PLANE_TYPE_PRIMARY; 567c3779dabSSamuel Holland 5687480ba4dSJernej Skrabec /* possible crtcs are set later */ 5697480ba4dSJernej Skrabec ret = drm_universal_plane_init(drm, &layer->plane, 0, 5707480ba4dSJernej Skrabec &sun8i_vi_layer_funcs, 571169ca4b3SJernej Skrabec formats, format_count, 572b36a6bb8SPiotr Oniszczuk sun8i_layer_modifiers, 573c3779dabSSamuel Holland type, NULL); 5747480ba4dSJernej Skrabec if (ret) { 5757480ba4dSJernej Skrabec dev_err(drm->dev, "Couldn't initialize layer\n"); 5767480ba4dSJernej Skrabec return ERR_PTR(ret); 5777480ba4dSJernej Skrabec } 5787480ba4dSJernej Skrabec 579f88c5ee7SJernej Skrabec plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num; 580f88c5ee7SJernej Skrabec 581c0f6f0c4SRoman Stratiienko if (mixer->cfg->vi_num == 1 || mixer->cfg->is_de3) { 582c0f6f0c4SRoman Stratiienko ret = drm_plane_create_alpha_property(&layer->plane); 583c0f6f0c4SRoman Stratiienko if (ret) { 584c0f6f0c4SRoman Stratiienko dev_err(drm->dev, "Couldn't add alpha property\n"); 585c0f6f0c4SRoman Stratiienko return ERR_PTR(ret); 586c0f6f0c4SRoman Stratiienko } 587c0f6f0c4SRoman Stratiienko } 588c0f6f0c4SRoman Stratiienko 589f88c5ee7SJernej Skrabec ret = drm_plane_create_zpos_property(&layer->plane, index, 590f88c5ee7SJernej Skrabec 0, plane_cnt - 1); 5917480ba4dSJernej Skrabec if (ret) { 5927480ba4dSJernej Skrabec dev_err(drm->dev, "Couldn't add zpos property\n"); 5937480ba4dSJernej Skrabec return ERR_PTR(ret); 5947480ba4dSJernej Skrabec } 5957480ba4dSJernej Skrabec 5965917e0bdSJernej Skrabec supported_encodings = BIT(DRM_COLOR_YCBCR_BT601) | 5975917e0bdSJernej Skrabec BIT(DRM_COLOR_YCBCR_BT709); 5980cf1d704SJernej Skrabec if (mixer->cfg->is_de3) 5990cf1d704SJernej Skrabec supported_encodings |= BIT(DRM_COLOR_YCBCR_BT2020); 6005917e0bdSJernej Skrabec 6015917e0bdSJernej Skrabec supported_ranges = BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) | 6025917e0bdSJernej Skrabec BIT(DRM_COLOR_YCBCR_FULL_RANGE); 6035917e0bdSJernej Skrabec 6045917e0bdSJernej Skrabec ret = drm_plane_create_color_properties(&layer->plane, 6055917e0bdSJernej Skrabec supported_encodings, 6065917e0bdSJernej Skrabec supported_ranges, 6075917e0bdSJernej Skrabec DRM_COLOR_YCBCR_BT709, 6085917e0bdSJernej Skrabec DRM_COLOR_YCBCR_LIMITED_RANGE); 6095917e0bdSJernej Skrabec if (ret) { 6105917e0bdSJernej Skrabec dev_err(drm->dev, "Couldn't add encoding and range properties!\n"); 6115917e0bdSJernej Skrabec return ERR_PTR(ret); 6125917e0bdSJernej Skrabec } 6135917e0bdSJernej Skrabec 6147480ba4dSJernej Skrabec drm_plane_helper_add(&layer->plane, &sun8i_vi_layer_helper_funcs); 6157480ba4dSJernej Skrabec layer->mixer = mixer; 6167480ba4dSJernej Skrabec layer->channel = index; 6177480ba4dSJernej Skrabec layer->overlay = 0; 6187480ba4dSJernej Skrabec 6197480ba4dSJernej Skrabec return layer; 6207480ba4dSJernej Skrabec } 621