diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/gm200.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/gm200.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gm200.c new file mode 100644 index 000000000..5acf8d15d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gm200.c @@ -0,0 +1,73 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * 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 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 HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Ben Skeggs + */ +#include "gf100.h" +#include "ram.h" + +#include <core/memory.h> + +int +gm200_fb_init_page(struct nvkm_fb *fb) +{ + struct nvkm_device *device = fb->subdev.device; + switch (fb->page) { + case 16: nvkm_mask(device, 0x100c80, 0x00001801, 0x00001001); break; + case 17: nvkm_mask(device, 0x100c80, 0x00001801, 0x00000000); break; + case 0: nvkm_mask(device, 0x100c80, 0x00001800, 0x00001800); break; + default: + return -EINVAL; + } + return 0; +} + +void +gm200_fb_init(struct nvkm_fb *base) +{ + struct gf100_fb *fb = gf100_fb(base); + struct nvkm_device *device = fb->base.subdev.device; + + if (fb->r100c10_page) + nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8); + + nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8); + nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8); + nvkm_mask(device, 0x100cc4, 0x00060000, + min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17); +} + +static const struct nvkm_fb_func +gm200_fb = { + .dtor = gf100_fb_dtor, + .oneinit = gf100_fb_oneinit, + .init = gm200_fb_init, + .init_page = gm200_fb_init_page, + .intr = gf100_fb_intr, + .ram_new = gm200_ram_new, + .default_bigpage = 0 /* per-instance. */, +}; + +int +gm200_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) +{ + return gf100_fb_new_(&gm200_fb, device, type, inst, pfb); +} |