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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c new file mode 100644 index 000000000..7d2c16b27 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2010 Francisco Jerez. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include "priv.h" +#include "ram.h" + +void +nv10_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch, + u32 flags, struct nvkm_fb_tile *tile) +{ + tile->addr = 0x80000000 | addr; + tile->limit = max(1u, addr + size) - 1; + tile->pitch = pitch; +} + +void +nv10_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) +{ + tile->addr = 0; + tile->limit = 0; + tile->pitch = 0; + tile->zcomp = 0; +} + +void +nv10_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) +{ + struct nvkm_device *device = fb->subdev.device; + nvkm_wr32(device, 0x100244 + (i * 0x10), tile->limit); + nvkm_wr32(device, 0x100248 + (i * 0x10), tile->pitch); + nvkm_wr32(device, 0x100240 + (i * 0x10), tile->addr); + nvkm_rd32(device, 0x100240 + (i * 0x10)); +} + +static const struct nvkm_fb_func +nv10_fb = { + .tile.regions = 8, + .tile.init = nv10_fb_tile_init, + .tile.fini = nv10_fb_tile_fini, + .tile.prog = nv10_fb_tile_prog, + .ram_new = nv10_ram_new, +}; + +int +nv10_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) +{ + return nvkm_fb_new_(&nv10_fb, device, type, inst, pfb); +} |