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      1 /*	$NetBSD: nouveau_dispnv50_ovly507e.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_ovly507e.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
     26 
     27 #include "ovly.h"
     28 #include "atom.h"
     29 
     30 #include <drm/drm_atomic_helper.h>
     31 #include <drm/drm_fourcc.h>
     32 #include <drm/drm_plane_helper.h>
     33 
     34 #include <nvif/cl507e.h>
     35 #include <nvif/event.h>
     36 
     37 void
     38 ovly507e_update(struct nv50_wndw *wndw, u32 *interlock)
     39 {
     40 	u32 *push;
     41 	if ((push = evo_wait(&wndw->wndw, 2))) {
     42 		evo_mthd(push, 0x0080, 1);
     43 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
     44 		evo_kick(push, &wndw->wndw);
     45 	}
     46 }
     47 
     48 void
     49 ovly507e_scale_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
     50 {
     51 	u32 *push;
     52 	if ((push = evo_wait(&wndw->wndw, 4))) {
     53 		evo_mthd(push, 0x00e0, 3);
     54 		evo_data(push, asyw->scale.sy << 16 | asyw->scale.sx);
     55 		evo_data(push, asyw->scale.sh << 16 | asyw->scale.sw);
     56 		evo_data(push, asyw->scale.dw);
     57 		evo_kick(push, &wndw->wndw);
     58 	}
     59 }
     60 
     61 void
     62 ovly507e_image_clr(struct nv50_wndw *wndw)
     63 {
     64 	u32 *push;
     65 	if ((push = evo_wait(&wndw->wndw, 4))) {
     66 		evo_mthd(push, 0x0084, 1);
     67 		evo_data(push, 0x00000000);
     68 		evo_mthd(push, 0x00c0, 1);
     69 		evo_data(push, 0x00000000);
     70 		evo_kick(push, &wndw->wndw);
     71 	}
     72 }
     73 
     74 static void
     75 ovly507e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
     76 {
     77 	u32 *push;
     78 	if ((push = evo_wait(&wndw->wndw, 12))) {
     79 		evo_mthd(push, 0x0084, 1);
     80 		evo_data(push, asyw->image.interval << 4);
     81 		evo_mthd(push, 0x00c0, 1);
     82 		evo_data(push, asyw->image.handle[0]);
     83 		evo_mthd(push, 0x0100, 1);
     84 		evo_data(push, 0x00000002);
     85 		evo_mthd(push, 0x0800, 1);
     86 		evo_data(push, asyw->image.offset[0] >> 8);
     87 		evo_mthd(push, 0x0808, 3);
     88 		evo_data(push, asyw->image.h << 16 | asyw->image.w);
     89 		evo_data(push, asyw->image.layout << 20 |
     90 			       (asyw->image.pitch[0] >> 8) << 8 |
     91 			       asyw->image.blocks[0] << 8 |
     92 			       asyw->image.blockh);
     93 		evo_data(push, asyw->image.kind << 16 |
     94 			       asyw->image.format << 8 |
     95 			       asyw->image.colorspace);
     96 		evo_kick(push, &wndw->wndw);
     97 	}
     98 }
     99 
    100 void
    101 ovly507e_ntfy_clr(struct nv50_wndw *wndw)
    102 {
    103 	u32 *push;
    104 	if ((push = evo_wait(&wndw->wndw, 2))) {
    105 		evo_mthd(push, 0x00a4, 1);
    106 		evo_data(push, 0x00000000);
    107 		evo_kick(push, &wndw->wndw);
    108 	}
    109 }
    110 
    111 void
    112 ovly507e_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
    113 {
    114 	u32 *push;
    115 	if ((push = evo_wait(&wndw->wndw, 3))) {
    116 		evo_mthd(push, 0x00a0, 2);
    117 		evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset);
    118 		evo_data(push, asyw->ntfy.handle);
    119 		evo_kick(push, &wndw->wndw);
    120 	}
    121 }
    122 
    123 void
    124 ovly507e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
    125 		 struct nv50_head_atom *asyh)
    126 {
    127 	asyh->ovly.cpp = 0;
    128 }
    129 
    130 int
    131 ovly507e_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
    132 		 struct nv50_head_atom *asyh)
    133 {
    134 	const struct drm_framebuffer *fb = asyw->state.fb;
    135 	int ret;
    136 
    137 	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
    138 						  DRM_PLANE_HELPER_NO_SCALING,
    139 						  DRM_PLANE_HELPER_NO_SCALING,
    140 						  true, true);
    141 	if (ret)
    142 		return ret;
    143 
    144 	asyh->ovly.cpp = fb->format->cpp[0];
    145 	return 0;
    146 }
    147 
    148 #include "nouveau_bo.h"
    149 
    150 static const struct nv50_wndw_func
    151 ovly507e = {
    152 	.acquire = ovly507e_acquire,
    153 	.release = ovly507e_release,
    154 	.ntfy_set = ovly507e_ntfy_set,
    155 	.ntfy_clr = ovly507e_ntfy_clr,
    156 	.ntfy_reset = base507c_ntfy_reset,
    157 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
    158 	.image_set = ovly507e_image_set,
    159 	.image_clr = ovly507e_image_clr,
    160 	.scale_set = ovly507e_scale_set,
    161 	.update = ovly507e_update,
    162 };
    163 
    164 static const u32
    165 ovly507e_format[] = {
    166 	DRM_FORMAT_YUYV,
    167 	DRM_FORMAT_UYVY,
    168 	DRM_FORMAT_XRGB8888,
    169 	DRM_FORMAT_XRGB1555,
    170 	0
    171 };
    172 
    173 int
    174 ovly507e_new_(const struct nv50_wndw_func *func, const u32 *format,
    175 	      struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
    176 	      struct nv50_wndw **pwndw)
    177 {
    178 	struct nv50_disp_overlay_channel_dma_v0 args = {
    179 		.head = head,
    180 	};
    181 	struct nv50_disp *disp = nv50_disp(drm->dev);
    182 	struct nv50_wndw *wndw;
    183 	int ret;
    184 
    185 	ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_OVERLAY,
    186 			     "ovly", head, format, BIT(head),
    187 			     NV50_DISP_INTERLOCK_OVLY, interlock_data,
    188 			     &wndw);
    189 	if (*pwndw = wndw, ret)
    190 		return ret;
    191 
    192 	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
    193 			       &oclass, 0, &args, sizeof(args),
    194 			       disp->sync->bo.offset, &wndw->wndw);
    195 	if (ret) {
    196 		NV_ERROR(drm, "ovly%04x allocation failed: %d\n", oclass, ret);
    197 		return ret;
    198 	}
    199 
    200 	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func, false,
    201 			       NV50_DISP_OVERLAY_CHANNEL_DMA_V0_NTFY_UEVENT,
    202 			       &(struct nvif_notify_uevent_req) {},
    203 			       sizeof(struct nvif_notify_uevent_req),
    204 			       sizeof(struct nvif_notify_uevent_rep),
    205 			       &wndw->notify);
    206 	if (ret)
    207 		return ret;
    208 
    209 	wndw->ntfy = NV50_DISP_OVLY_NTFY(wndw->id);
    210 	wndw->sema = NV50_DISP_OVLY_SEM0(wndw->id);
    211 	wndw->data = 0x00000000;
    212 	return 0;
    213 }
    214 
    215 int
    216 ovly507e_new(struct nouveau_drm *drm, int head, s32 oclass,
    217 	     struct nv50_wndw **pwndw)
    218 {
    219 	return ovly507e_new_(&ovly507e, ovly507e_format, drm, head, oclass,
    220 			     0x00000004 << (head * 8), pwndw);
    221 }
    222