drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c

   1 /*
   2  * Copyright 2018 Red Hat Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22 #include "wndw.h"
  23 #include "atom.h"
  24
  25 #include <drm/drm_atomic_helper.h>
  26 #include <drm/drm_plane_helper.h>
  27 #include <nouveau_bo.h>
  28
  29 #include <nvif/clc37e.h>
  30
  31 static void
  32 wndwc57e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
  33 {
  34         u32 *push;
  35
  36         if (!(push = evo_wait(&wndw->wndw, 17)))
  37                 return;
  38
  39         evo_mthd(push, 0x0308, 1);
  40         evo_data(push, asyw->image.mode << 4 | asyw->image.interval);
  41         evo_mthd(push, 0x0224, 4);
  42         evo_data(push, asyw->image.h << 16 | asyw->image.w);
  43         evo_data(push, asyw->image.layout << 4 | asyw->image.blockh);
  44         evo_data(push, asyw->image.colorspace << 8 |
  45                        asyw->image.format);
  46         evo_data(push, asyw->image.blocks[0] | (asyw->image.pitch[0] >> 6));
  47         evo_mthd(push, 0x0240, 1);
  48         evo_data(push, asyw->image.handle[0]);
  49         evo_mthd(push, 0x0260, 1);
  50         evo_data(push, asyw->image.offset[0] >> 8);
  51         evo_mthd(push, 0x0290, 1);
  52         evo_data(push, (asyw->state.src_y >> 16) << 16 |
  53                        (asyw->state.src_x >> 16));
  54         evo_mthd(push, 0x0298, 1);
  55         evo_data(push, (asyw->state.src_h >> 16) << 16 |
  56                        (asyw->state.src_w >> 16));
  57         evo_mthd(push, 0x02a4, 1);
  58         evo_data(push, asyw->state.crtc_h << 16 |
  59                        asyw->state.crtc_w);
  60         evo_kick(push, &wndw->wndw);
  61 }
  62
  63 static void
  64 wndwc57e_csc_clr(struct nv50_wndw *wndw)
  65 {
  66         u32 *push;
  67         if ((push = evo_wait(&wndw->wndw, 13))) {
  68                  evo_mthd(push, 0x0400, 12);
  69                  evo_data(push, 0x00010000);
  70                  evo_data(push, 0x00000000);
  71                  evo_data(push, 0x00000000);
  72                  evo_data(push, 0x00000000);
  73                  evo_data(push, 0x00000000);
  74                  evo_data(push, 0x00010000);
  75                  evo_data(push, 0x00000000);
  76                  evo_data(push, 0x00000000);
  77                  evo_data(push, 0x00000000);
  78                  evo_data(push, 0x00000000);
  79                  evo_data(push, 0x00010000);
  80                  evo_data(push, 0x00000000);
  81                  evo_kick(push, &wndw->wndw);
  82         }
  83 }
  84
  85 static void
  86 wndwc57e_csc_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
  87 {
  88         u32 *push, i;
  89         if ((push = evo_wait(&wndw->wndw, 13))) {
  90                  evo_mthd(push, 0x0400, 12);
  91                  for (i = 0; i < 12; i++)
  92                           evo_data(push, asyw->csc.matrix[i]);
  93                  evo_kick(push, &wndw->wndw);
  94         }
  95 }
  96
  97 static void
  98 wndwc57e_ilut_clr(struct nv50_wndw *wndw)
  99 {
 100         u32 *push;
 101         if ((push = evo_wait(&wndw->wndw, 2))) {
 102                 evo_mthd(push, 0x0444, 1);
 103                 evo_data(push, 0x00000000);
 104                 evo_kick(push, &wndw->wndw);
 105         }
 106 }
 107
 108 static void
 109 wndwc57e_ilut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 110 {
 111         u32 *push;
 112         if ((push = evo_wait(&wndw->wndw, 4))) {
 113                 evo_mthd(push, 0x0440, 3);
 114                 evo_data(push, asyw->xlut.i.size << 8 |
 115                                asyw->xlut.i.mode << 2 |
 116                                asyw->xlut.i.output_mode);
 117                 evo_data(push, asyw->xlut.handle);
 118                 evo_data(push, asyw->xlut.i.offset >> 8);
 119                 evo_kick(push, &wndw->wndw);
 120         }
 121 }
 122
 123 static u16
 124 fixedU0_16_FP16(u16 fixed)
 125 {
 126         int sign = 0, exp = 0, man = 0;
 127         if (fixed) {
 128                 while (--exp && !(fixed & 0x8000))
 129                         fixed <<= 1;
 130                 man = ((fixed << 1) & 0xffc0) >> 6;
 131                 exp += 15;
 132         }
 133         return (sign << 15) | (exp << 10) | man;
 134 }
 135
 136 static void
 137 wndwc57e_ilut_load(struct drm_color_lut *in, int size, void __iomem *mem)
 138 {
 139         memset_io(mem, 0x00, 0x20); /* VSS header. */
 140         mem += 0x20;
 141
 142         for (; size--; in++, mem += 0x08) {
 143                 u16 r = fixedU0_16_FP16(drm_color_lut_extract(in->  red, 16));
 144                 u16 g = fixedU0_16_FP16(drm_color_lut_extract(in->green, 16));
 145                 u16 b = fixedU0_16_FP16(drm_color_lut_extract(in-> blue, 16));
 146                 writew(r, mem + 0);
 147                 writew(g, mem + 2);
 148                 writew(b, mem + 4);
 149         }
 150
 151         /* INTERPOLATE modes require a "next" entry to interpolate with,
 152          * so we replicate the last entry to deal with this for now.
 153          */
 154         writew(readw(mem - 8), mem + 0);
 155         writew(readw(mem - 6), mem + 2);
 156         writew(readw(mem - 4), mem + 4);
 157 }
 158
 159 static bool
 160 wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size)
 161 {
 162         if (size = size ? size : 1024, size != 256 && size != 1024)
 163                 return false;
 164
 165         if (size == 256) {
 166                 asyw->xlut.i.mode = 1; /* DIRECT8. */
 167         } else {
 168                 asyw->xlut.i.mode = 2; /* DIRECT10. */
 169         }
 170         asyw->xlut.i.size = 4 /* VSS header. */ + size + 1 /* Entries. */;
 171         asyw->xlut.i.output_mode = 0; /* INTERPOLATE_DISABLE. */
 172         asyw->xlut.i.load = wndwc57e_ilut_load;
 173         return true;
 174 }
 175
 176 static const struct nv50_wndw_func
 177 wndwc57e = {
 178         .acquire = wndwc37e_acquire,
 179         .release = wndwc37e_release,
 180         .sema_set = wndwc37e_sema_set,
 181         .sema_clr = wndwc37e_sema_clr,
 182         .ntfy_set = wndwc37e_ntfy_set,
 183         .ntfy_clr = wndwc37e_ntfy_clr,
 184         .ntfy_reset = corec37d_ntfy_init,
 185         .ntfy_wait_begun = base507c_ntfy_wait_begun,
 186         .ilut = wndwc57e_ilut,
 187         .ilut_identity = true,
 188         .ilut_size = 1024,
 189         .xlut_set = wndwc57e_ilut_set,
 190         .xlut_clr = wndwc57e_ilut_clr,
 191         .csc = base907c_csc,
 192         .csc_set = wndwc57e_csc_set,
 193         .csc_clr = wndwc57e_csc_clr,
 194         .image_set = wndwc57e_image_set,
 195         .image_clr = wndwc37e_image_clr,
 196         .blend_set = wndwc37e_blend_set,
 197         .update = wndwc37e_update,
 198 };
 199
 200 int
 201 wndwc57e_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
 202              s32 oclass, struct nv50_wndw **pwndw)
 203 {
 204         return wndwc37e_new_(&wndwc57e, drm, type, index, oclass,
 205                              BIT(index >> 1), pwndw);
 206 }