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      1 /*	$NetBSD: nouveau_dispnv50_ovly827e.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2018 Red Hat Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 #include <sys/cdefs.h>
     25 __KERNEL_RCSID(0, "$NetBSD: nouveau_dispnv50_ovly827e.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
     26 
     27 #include "ovly.h"
     28 #include "atom.h"
     29 
     30 #include <nouveau_bo.h>
     31 
     32 static void
     33 ovly827e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
     34 {
     35 	u32 *push;
     36 	if ((push = evo_wait(&wndw->wndw, 12))) {
     37 		evo_mthd(push, 0x0084, 1);
     38 		evo_data(push, asyw->image.interval << 4);
     39 		evo_mthd(push, 0x00c0, 1);
     40 		evo_data(push, asyw->image.handle[0]);
     41 		evo_mthd(push, 0x0100, 1);
     42 		evo_data(push, 0x00000002);
     43 		evo_mthd(push, 0x0800, 1);
     44 		evo_data(push, asyw->image.offset[0] >> 8);
     45 		evo_mthd(push, 0x0808, 3);
     46 		evo_data(push, asyw->image.h << 16 | asyw->image.w);
     47 		evo_data(push, asyw->image.layout << 20 |
     48 			       (asyw->image.pitch[0] >> 8) << 8 |
     49 			       asyw->image.blocks[0] << 8 |
     50 			       asyw->image.blockh);
     51 		evo_data(push, asyw->image.format << 8 |
     52 			       asyw->image.colorspace);
     53 		evo_kick(push, &wndw->wndw);
     54 	}
     55 }
     56 
     57 int
     58 ovly827e_ntfy_wait_begun(struct nouveau_bo *bo, u32 offset,
     59 			 struct nvif_device *device)
     60 {
     61 	s64 time = nvif_msec(device, 2000ULL,
     62 		u32 data = nouveau_bo_rd32(bo, offset / 4 + 3);
     63 		if ((data & 0xffff0000) == 0xffff0000)
     64 			break;
     65 		usleep_range(1, 2);
     66 	);
     67 	return time < 0 ? time : 0;
     68 }
     69 
     70 void
     71 ovly827e_ntfy_reset(struct nouveau_bo *bo, u32 offset)
     72 {
     73 	nouveau_bo_wr32(bo, offset / 4 + 0, 0x00000000);
     74 	nouveau_bo_wr32(bo, offset / 4 + 1, 0x00000000);
     75 	nouveau_bo_wr32(bo, offset / 4 + 2, 0x00000000);
     76 	nouveau_bo_wr32(bo, offset / 4 + 3, 0x80000000);
     77 }
     78 
     79 static const struct nv50_wndw_func
     80 ovly827e = {
     81 	.acquire = ovly507e_acquire,
     82 	.release = ovly507e_release,
     83 	.ntfy_set = ovly507e_ntfy_set,
     84 	.ntfy_clr = ovly507e_ntfy_clr,
     85 	.ntfy_reset = ovly827e_ntfy_reset,
     86 	.ntfy_wait_begun = ovly827e_ntfy_wait_begun,
     87 	.image_set = ovly827e_image_set,
     88 	.image_clr = ovly507e_image_clr,
     89 	.scale_set = ovly507e_scale_set,
     90 	.update = ovly507e_update,
     91 };
     92 
     93 const u32
     94 ovly827e_format[] = {
     95 	DRM_FORMAT_YUYV,
     96 	DRM_FORMAT_UYVY,
     97 	DRM_FORMAT_XRGB8888,
     98 	DRM_FORMAT_XRGB1555,
     99 	DRM_FORMAT_XBGR2101010,
    100 	0
    101 };
    102 
    103 int
    104 ovly827e_new(struct nouveau_drm *drm, int head, s32 oclass,
    105 	     struct nv50_wndw **pwndw)
    106 {
    107 	return ovly507e_new_(&ovly827e, ovly827e_format, drm, head, oclass,
    108 			     0x00000004 << (head * 8), pwndw);
    109 }
    110