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 #include <nvif/push507c.h>
  26
  27 #include <nvhw/class/cl917d.h>
  28
  29 static int
  30 head917d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
  31 {
  32         struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
  33         const int i = head->base.index;
  34         int ret;
  35
  36         if ((ret = PUSH_WAIT(push, 2)))
  37                 return ret;
  38
  39         PUSH_MTHD(push, NV917D, HEAD_SET_DITHER_CONTROL(i),
  40                   NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) |
  41                   NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) |
  42                   NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) |
  43                   NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, PHASE, 0));
  44         return 0;
  45 }
  46
  47 static int
  48 head917d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
  49 {
  50         struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
  51         const int i = head->base.index;
  52         u32 bounds = 0;
  53         int ret;
  54
  55         if (asyh->base.cpp) {
  56                 switch (asyh->base.cpp) {
  57                 case 8: bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_64); break;
  58                 case 4: bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_32); break;
  59                 case 2: bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_16); break;
  60                 case 1: bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_8); break;
  61                 default:
  62                         WARN_ON(1);
  63                         break;
  64                 }
  65                 bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, USABLE, TRUE);
  66                 bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, BASE_LUT, USAGE_1025);
  67         }
  68
  69         if ((ret = PUSH_WAIT(push, 2)))
  70                 return ret;
  71
  72         PUSH_MTHD(push, NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS(i), bounds);
  73         return 0;
  74 }
  75
  76 int
  77 head917d_curs_layout(struct nv50_head *head, struct nv50_wndw_atom *asyw,
  78                      struct nv50_head_atom *asyh)
  79 {
  80         switch (asyw->state.fb->width) {
  81         case  32: asyh->curs.layout = NV917D_HEAD_SET_CONTROL_CURSOR_SIZE_W32_H32; break;
  82         case  64: asyh->curs.layout = NV917D_HEAD_SET_CONTROL_CURSOR_SIZE_W64_H64; break;
  83         case 128: asyh->curs.layout = NV917D_HEAD_SET_CONTROL_CURSOR_SIZE_W128_H128; break;
  84         case 256: asyh->curs.layout = NV917D_HEAD_SET_CONTROL_CURSOR_SIZE_W256_H256; break;
  85         default:
  86                 return -EINVAL;
  87         }
  88         return 0;
  89 }
  90
  91 const struct nv50_head_func
  92 head917d = {
  93         .view = head907d_view,
  94         .mode = head907d_mode,
  95         .olut = head907d_olut,
  96         .olut_size = 1024,
  97         .olut_set = head907d_olut_set,
  98         .olut_clr = head907d_olut_clr,
  99         .core_calc = head507d_core_calc,
 100         .core_set = head907d_core_set,
 101         .core_clr = head907d_core_clr,
 102         .curs_layout = head917d_curs_layout,
 103         .curs_format = head507d_curs_format,
 104         .curs_set = head907d_curs_set,
 105         .curs_clr = head907d_curs_clr,
 106         .base = head917d_base,
 107         .ovly = head907d_ovly,
 108         .dither = head917d_dither,
 109         .procamp = head907d_procamp,
 110         .or = head907d_or,
 111 };