drivers/gpu/drm/nouveau/dispnv50/head917d.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 "head.h"
  23 #include "core.h"
  24
  25 static void
  26 head917d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
  27 {
  28         struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
  29         u32 *push;
  30         if ((push = evo_wait(core, 2))) {
  31                 evo_mthd(push, 0x04a0 + (head->base.index * 0x0300), 1);
  32                 evo_data(push, asyh->dither.mode << 3 |
  33                                asyh->dither.bits << 1 |
  34                                asyh->dither.enable);
  35                 evo_kick(push, core);
  36         }
  37 }
  38
  39 static void
  40 head917d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
  41 {
  42         struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
  43         u32 bounds = 0;
  44         u32 *push;
  45
  46         if (asyh->base.cpp) {
  47                 switch (asyh->base.cpp) {
  48                 case 8: bounds |= 0x00000500; break;
  49                 case 4: bounds |= 0x00000300; break;
  50                 case 2: bounds |= 0x00000100; break;
  51                 case 1: bounds |= 0x00000000; break;
  52                 default:
  53                         WARN_ON(1);
  54                         break;
  55                 }
  56                 bounds |= 0x00020001;
  57         }
  58
  59         if ((push = evo_wait(core, 2))) {
  60                 evo_mthd(push, 0x04d0 + head->base.index * 0x300, 1);
  61                 evo_data(push, bounds);
  62                 evo_kick(push, core);
  63         }
  64 }
  65
  66 int
  67 head917d_curs_layout(struct nv50_head *head, struct nv50_wndw_atom *asyw,
  68                      struct nv50_head_atom *asyh)
  69 {
  70         switch (asyw->state.fb->width) {
  71         case  32: asyh->curs.layout = 0; break;
  72         case  64: asyh->curs.layout = 1; break;
  73         case 128: asyh->curs.layout = 2; break;
  74         case 256: asyh->curs.layout = 3; break;
  75         default:
  76                 return -EINVAL;
  77         }
  78         return 0;
  79 }
  80
  81 const struct nv50_head_func
  82 head917d = {
  83         .view = head907d_view,
  84         .mode = head907d_mode,
  85         .olut = head907d_olut,
  86         .olut_set = head907d_olut_set,
  87         .olut_clr = head907d_olut_clr,
  88         .core_calc = head507d_core_calc,
  89         .core_set = head907d_core_set,
  90         .core_clr = head907d_core_clr,
  91         .curs_layout = head917d_curs_layout,
  92         .curs_format = head507d_curs_format,
  93         .curs_set = head907d_curs_set,
  94         .curs_clr = head907d_curs_clr,
  95         .base = head917d_base,
  96         .ovly = head907d_ovly,
  97         .dither = head917d_dither,
  98         .procamp = head907d_procamp,
  99         .or = head907d_or,
 100 };